Source: https://patents.google.com/patent/CN103299666B/en
Timestamp: 2020-01-20 13:31:39
Document Index: 199198404

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CN103299666B - Detection method, base station apparatus and the mobile station apparatus in communication system, empty district - Google Patents
Detection method, base station apparatus and the mobile station apparatus in communication system, empty district Download PDF
CN103299666B
CN103299666B CN201180064792.3A CN201180064792A CN103299666B CN 103299666 B CN103299666 B CN 103299666B CN 201180064792 A CN201180064792 A CN 201180064792A CN 103299666 B CN103299666 B CN 103299666B
CN201180064792.3A
CN103299666A (en
2011-01-24 Application filed by 富士通株式会社 filed Critical 富士通株式会社
2011-01-24 Priority to PCT/JP2011/051214 priority Critical patent/WO2012101738A1/en
2013-09-11 Publication of CN103299666A publication Critical patent/CN103299666A/en
2016-05-11 Publication of CN103299666B publication Critical patent/CN103299666B/en
The detection method in cavity district detects has multiple base station apparatus (2a, 2b) and mobile station apparatus (3a, the empty district producing in the area of coverage of communication system (1) 3b), in this detection method, at mobile station apparatus (3a, 3b), measure respectively from multiple base station apparatus (2a, received power 2b), according to from multiple base station apparatus (2a, covering mobile station apparatus (3a 2b), 3b) the received power of the base station apparatus of residing community (3a) other base station apparatus (3b) in addition, detect issuable empty district in the situation that stopping carrying out signal output from base station apparatus (3a).
Detection method, base station apparatus and the mobile station apparatus in communication system, empty district
Embodiment discussed in this description relates to the detection in the empty district producing in the area of coverage of base station apparatus.
In the communication system that comprises base station apparatus and mobile station apparatus, sometimes reduce sending out of a part of base station apparatus on one sideSend power or stop sending output, the system of utilization on one side. For example, the portfolio of processing in mensuration base station apparatus and base station apparatusConsumed power, disconnects and controlling the connection of the transmitted power of base station apparatus and transmission output according to portfolio.
As the example of this processing, enumerate at 3GPP(The3rdGenerationPartnershipProject)Energy-conservation (EnergySaving) of middle investigation. In addition, in the following description, be " ES " by " energy-conservation " souvenir sometimes.
In addition, be known to the following comunication area and estimate server, it has: acceptance division, it moves at portable telephoneIn the service area of mobile radio communication time, the portable telephone from this portable telephone receives the service area that is positioned at mobile radio communicationThe relevant one or more signal messages of the signal with from radio signal source of storing; Calculating part, its basis receivesOne or more signal messages, the position of portable telephone when calculating portable telephone receives the signal corresponding with signal messagePut; And estimator, it estimates the position outside the service area of mobile radio communication according to the position of the portable telephone calculatingPut.
And, following GSM has been proposed: change wireless base station according to the traffic state of systemRegional structure, reduces power consumption thus, and preventing by the change of regional structure can not communication zone. This system is by nothingLine base station group and radio control station form, this wireless base station group configuration have 1 variable main wireless base station of wireless output level andThe multiple sub-wireless base station that can be set as stopping wireless output level and only carry out wireless receiving action, this radio control station entersThe control of Qun Nei wireless base station, row wireless base station and and switch between call connection control. Radio control station has: rightFrom the communication service of wireless base station group notice concentrate the unit of supervision, to the each sub-wireless base station group in wireless base station groupThe electric-field intensity of the main wireless base station of notice is concentrated the unit of supervision, is sent wireless to Qun Nei wireless base station, wireless base stationExport the unit of controlled variable signal and the configuration structure of main wireless base station and described multiple sub-wireless base stations is managedDatabase.
Patent documentation 1: TOHKEMY 2010-130523 communique
Patent documentation 2: Japanese kokai publication hei 10-145842 communique
In the case of reduce certain base station apparatus transmitted power or stop send output, can at the periphery of base station apparatusCan produce empty district. Cavity district is the scope that cannot implement the communication of mobile station apparatus in the area of coverage, sometimes also referred to as coveringCavity.
The object of the apparatus and method of embodiment is, ex ante forecasting is due to the stopping of transmission output of base station apparatusProduce empty district.
According to a viewpoint of device, a kind of communication system is provided, this communication system has and at least comprises the 1st base station apparatusMultiple base station apparatus and mobile station apparatus with the 2nd base station apparatus. Mobile station apparatus has: determination part, it measures respectivelyFrom the received power of multiple base station apparatus; And measurement result notification unit, it is to the covering movement station dress in multiple base station apparatusPut the measurement result of the base station apparatus notice received power of residing community. The 1st base station apparatus has: measurement result acceptance division,It is received in notified measurement result in the situation of community that mobile station apparatus is positioned at the 1st base station apparatus; And cavity inspectionSurvey portion, after it is measured the received power of other base station apparatus from beyond the 1st base station apparatus according to mobile station apparatusMeasurement result, detect stop from the 1st base station apparatus sends export in the situation that issuable empty district.
According to other devices viewpoint, a kind of base station apparatus is provided, this base station apparatus has: measurement result receivesPortion, its from be positioned at base station apparatus cover community mobile station apparatus receive be measured to respectively by mobile station apparatus from manyThe measurement result of the received power of individual base station apparatus; And empty test section, its according to mobile station apparatus to from base station apparatusMeasurement result after the received power of other base station apparatus is in addition measured, detects and sends from base station apparatus stoppingIssuable empty district in the situation of output.
According to other devices viewpoint, a kind of mobile station apparatus is provided, this mobile station apparatus has: instruction receivesPortion, the base station apparatus reception notification of its residing community of covering mobile station apparatus from multiple base station apparatus is from base station apparatusThe index signal of measurement result of received power; Determination part, it measures respectively the received power from multiple base station apparatus; WithAnd measurement result notification unit, it is to covering the base station apparatus notice measurement result of the residing community of mobile station apparatus.
According to method viewpoint, a kind of detection method is provided, this detection method detects has multiple base station apparatusWith the empty district producing in the area of coverage of the communication system of mobile station apparatus. In this detection method, in mobile station apparatus, divideDo not measure the received power from multiple base station apparatus, residing according to the covering mobile station apparatus from multiple base station apparatusThe received power of other base station apparatus beyond the base station apparatus of community, detect stop from covering mobile station apparatus residing littleThe base station apparatus in district sends issuable empty district in situation about exporting.
According to disclosed device or method, prevent from stopping producing empty district due to the transmission output of base station apparatus.
The particularly key element shown in right to use claimed range and combination thereof and specialize real of objects and advantages of the present inventionExisting. Describedly general describe and describe in detail both sides and just illustrate and explanation below, should be understood that and unlike claim modelEnclose such the present invention of restriction.
Fig. 1 is the figure that the structure example of communication system is shown.
Fig. 2 is the figure that an example of the hardware configuration of base station apparatus is shown.
Fig. 3 is the structure chart of the 1st example of base station apparatus.
Fig. 4 is the figure that an example of the hardware configuration of user's set is shown.
Fig. 5 is the structure chart of the 1st example of user's set.
Fig. 6 is the figure that an example of the hardware configuration of server unit is shown.
Fig. 7 is the figure that an example of the structure of server unit is shown.
Fig. 8 is the key diagram of the 1st example of the processing in communication system.
Fig. 9 is the key diagram (its 1) of an example of definite processing of user's set.
Figure 10 is the key diagram (its 2) of an example of definite processing of user's set.
Figure 11 is the key diagram of the 1st example of empty Check processing.
Figure 12 is the key diagram of the 2nd example of empty Check processing.
Figure 13 is the key diagram of the 3rd example of empty Check processing.
Figure 14 is the structure chart of the 2nd example of base station apparatus.
Figure 15 is the key diagram of the 4th example of empty Check processing.
Figure 16 is the structure chart of the 3rd example of base station apparatus.
Figure 17 is the structure chart of the 4th example of base station apparatus.
Figure 18 is the structure chart of the 2nd example of user's set.
The key diagram (its 1) of one example of processing when Figure 19 is switching.
The key diagram (its 2) of one example of processing when Figure 20 is switching.
Figure 21 be switch could determination processing key diagram.
The key diagram (its 3) of one example of processing when Figure 22 is switching.
Not in advance checking stop sending the impact in when output and Dynamic Selection stop the situation of the base station apparatus of outputUnder, easily produce above-mentioned empty district. In addition, as the method in prediction generating cavity district, consider following method: producing radio chainsIn the situation of road fault, record wireless quality and positional information as the user's set of movement station, then collect this at network sideA little information, detects empty district thus. But, in the method, cannot detect empty district till produce radio jink failure,So, middle generation unfavorable condition is being provided for user's service.
Below, with reference to additional accompanying drawing, preferred embodiment is described. Fig. 1 is the structure example that communication system is shownFigure. Communication system 1 has the multiple base station apparatus that at least comprise the 1st base station apparatus 2a and the 2nd base station apparatus 2b. And, communicationSystem 1 has server unit 4 and user's set 3a and 3b as mobile station apparatus. In addition, in the following description, haveTime be referred to as base station apparatus 2a and 2b and souvenir is " base station apparatus 2 ". And, in the following description, be sometimes referred to as user's set3a and 3b and souvenir is " user's set 3 ". And, by the base station apparatus souvenir that covers user's set 3 residing communities be sometimes" service station ".
The 1st base station apparatus 2a, the 2nd base station apparatus 2b are connected by communication network 5 with server unit 4. Connect the 1st base stationThe network of device 2a and the 2nd base station apparatus 2b and is connected base station apparatus 2 and the network of server unit 4 can be distinguish differentNetwork, can be also consolidated network.
Base station apparatus 2 detects issuable empty district in the situation that base station apparatus 2 stops sending output, and notice is givenServer unit 4. Server unit 4, according to the testing result in empty district, determines whether and stops sending defeated from base station apparatus 2Go out. In the situation that stopping sending output from base station apparatus 2, server unit 4 indicates base station apparatus 2 to stop sendingOutput.
For example, server unit 4 can be according to the ES discussing in 3GPP, and request stops the transmission output of base station apparatus 2. BaseStation arrangement 2 can carry out according to the request from server unit 4 Check processing in empty district, to server unit 4 notice inspectionsSurvey result. And for example, base station apparatus 2 also can be measured the use of the Radio Resource in base station apparatus 2 or adjacent base station deviceState, carries out the Check processing in empty district according to measurement result, notify testing result to server unit 4.
Then, each key element of communication system 1 is described. Fig. 2 is the example that the hardware configuration of base station apparatus 2 is shownFigure. Base station apparatus 2 has microprocessor 200, storage part 201, network processing unit 202, digital signal processor 203, bus204. In the following description and accompanying drawing, sometimes by microprocessor, network processing unit and digital signal processor respectively souvenir be" MPU ", " NWP " and " DSP ".
And base station apparatus 2 has frequency inverted portion 205 and 210, enlarging section 206 and 209, duplexer 207, antenna208。
MPU200, storage part 201, NWP202 and DSP203 are connected by bus 204. In storage part 201, store useIn various programs and data that the action of base station apparatus 2 is controlled. Storage part 201 can comprise memory, hard disk or non-Volatile memory etc.
MPU200, by carrying out the program of storage in storage part 201, carries out for the action of base station apparatus 2 is controlledEach processing. And DSP203 passes through to carry out the program of storage in storage part 201, main execution leading between user's set 3Believe relevant each processing.
In storage part 201, store the program of MPU200 and DSP203 execution and pass through this program and the number of Interim useAccording to. NWP202 carries out the signal transmitting and receiving processing between other base station apparatus 2 or server unit 4. NWP202 also can carry outControl the epigyny device of base station apparatus 2 or make host node device that base station apparatus 2 is connected with core network and base station apparatus 2 itBetween signal transmitting and receiving processing.
The signal sending to user's set 3 from base station apparatus 2 being generated by DSP203 is converted to nothing by frequency inverted portion 205Line frequency. Amplify wireless frequency signal enlarging section 206. The letter sending after amplifying via duplexer 207 and antenna 208Number.
In antenna 208, receive the wireless signal sending from user's set 3. Receiving signal is input to via duplexer 207Enlarging section 209. Amplify to received signal enlarging section 209. Frequency inverted portion 210 is by the reception letter of the wireless frequency after amplifyingNumber be converted to baseband signal. By DSP203, baseband signal is processed.
Fig. 3 is the structure chart of the 1st example of base station apparatus 2. The DSP203 of Fig. 2 is by carrying out the journey of storage in storage part 201Order, carries out the information processing of the structural element based on shown in Fig. 3. Other embodiment of base station apparatus 2 too. Fig. 3 withCentered by the relevant function of lower explanation, illustrate. Therefore, base station apparatus 2 also can comprise illustrated structural element other knots in additionStructure key element.
Base station apparatus 2 has wireless communication part 220, data communication section 221, network interface 222. Base station apparatus 2 has thingPart test section 223, measure process control part 224, instruction sending part 225, timing portion 226, measurement result acceptance division 227,Cavity test section 228, empty Information generation portion 229, retreat operation control section 230, activation instruction portion 231.
Wireless communication part 220 carries out after multiplexing being converted into wireless frequency signal, warp to sending the data signal of objectSend to user's set 3 by antenna 208. And wireless communication part 220 will receive from user's set 3 via antenna 208Wireless frequency signal is converted to data signal. Data communication section 221 is counted with user's set 3 via wireless communication part 220The transmitting-receiving of the number of it is believed that.
Network interface 222 carries out the signal transmitting and receiving processing between other base station apparatus 2 or server unit 4. Network connectsThe host node dress that mouth 222 also can be controlled the epigyny device of base station apparatus 2 or base station apparatus 2 is connected with core networkPut the signal transmitting and receiving processing between base station apparatus 2.
Request detects and stops from base station apparatus 2, mobile station apparatus 3 being sent the event of output signal in event detection portion 223Produce. In the following description, sometimes request is stopped sending the event table of exporting and be designated as " ES request event ".
One example of ES request event is for example the request that stops of transmission output based on server unit 4. ES request eventOther examples be for example utilization rate low of the Radio Resource that is measured in base station apparatus 2 or adjacent base station device 2. For exampleMeasure the utilization rate of Radio Resource according to number of users or business number. Base station apparatus 2 also can have mensuration Radio ResourceThe use state estimating portion of utilization rate.
In the situation that generation ES request event being detected, event detection portion 223 determines to stopping sending the predetermined of outputTO remaining time till moment. Event detection portion 223 notifies the generation of ES request event and remains measuring processing control part 224Remaining time T O.
In the situation that producing ES request event, measure and process control part 224 and select for notifying from base station apparatus 2The user's set 3 of the measurement result of received power. Measure and process control part 224 and for example can select aftermentioned in state of activationUser's set 3 is as the user's set of notice measurement result. Measure and process that control part 224 also can replace in state of activationUser's set 3 or select the user's set 3 of aftermentioned in idle condition together with this user's set 3, as notice measurement resultUser's set.
Measure and process control part 224 according to TO remaining time, N between the notice day of the length below decision TO. Measure and processControl part 224 is specified the appointment letter of the item comprising in the notice of measurement result for base station apparatus 2 to instruction sending part 225 noticesN between breath and notice day. In the following description, be " notice item appointed information " sometimes by this appointed information souvenir.
Notice item appointed information for example can comprise for selecting user's set 3 should notify for which base station apparatusThe appointment of the condition of 2 measurement results after measuring. As the example of this condition, for example, can be that " being measured to optimum connectsReceive the base station apparatus of power and be measured to the base station apparatus of the 2nd good received power ". And the example of condition for example can" base station apparatus that is measured to the 2nd good received power ". And the example of condition can be for example " to be measured to and to meet ruleDetermine the base station apparatus of the received power of strength condition ".
And for example, notice item appointed information also can specify in the position that comprises the user's set while mensuration in noticePut information.
Instruction sending part 225 sends user's set 3 is surveyed the user's set 3 of being selected by mensuration processing control part 224The fixed received power from base station apparatus 2 is also notified the index signal of measurement result. The appointment that index signal comprises N between notice dayWith notice item appointed information. Index signal also can comprise the appointment relevant with the cycle of the notice from user's set 3.
Timing portion 226 determines whether through N between notice day. Measurement result acceptance division 227 receives from 3 of user's setsThe measurement result of sending. Cavity test section 228 is according to the measurement result receiving, and detects and sends from base station apparatus 3 stoppingIssuable empty district in the situation of output. Decision method in the Check processing of cavity test section 228 is narrated in the back.
Between timing portion 226 detects through notice day, when N, empty test section 228 finishes detection place in empty districtReason. Between timing portion 226 detects through notice day when N, empty Information generation portion 229 generates the detection that represents empty districtsThe empty information of state or the related information that is associated with the empty district detecting.
Cavity district detected state can be for example empty district detection number of times, detect number of times with respect to whole mensuration number of timesRatio etc. And related information can be for example the user's dress having sent while detecting the measurement result of reason as empty districtPut 3 positional information. Cavity Information generation portion 229 sends empty information via network interface 222 to server unit 4.
Server unit 4 is judged the transmission output that could stop base station apparatus 2 according to empty information. 4 of server unitsAccording to result of determination, the instruction that stops that sending output is sent to base station apparatus 2. Retreat operation control section 230 via network interface222 receive the instruction that stops that sending output. In the case of receive send output stop instruction, retreat operation control section230 stop the transmission output of base station apparatus 2.
In the case of sending the user's set 3 of index signal in idle condition, activation instruction portion 231 makes this user's dressPut 3 and transfer to state of activation. State of activation is the state that can send to base station apparatus 2 measurement result, for example, can be upThe state of the synchronous foundation of link channel. And idle condition is to get at base station apparatus 2 to send measurement result shape beforeState can be the synchronous unfounded state of uplink channel. User's set 3 in idle condition determine and for swashOne example of the transfer method of the state of living is narrated in the back.
In order to select the user's set 3 of notice after measurement result in any one party from idle condition and state of activationOperating state, index signal can comprise the appointment of the operating state of the user's set 3 after notice measurement result.
Then, the structure of user's set 3 is described. Fig. 4 is the example that the hardware configuration of user's set 3 is shownFigure. User's set 3 has MPU300, storage part 301, DSP302, bus 303. And user's set 3 has antenna 304, twoMultiplexer 305, enlarging section 306 and 309, frequency inverted portion 307 and 308.
MPU300, storage part 301 and DSP302 are connected by bus 303. In storage part 301, store for to userVarious programs and data that the action of device 3 is controlled. Storage part 301 can comprise memory, hard disk and non-volatile depositingReservoir etc.
MPU300, by carrying out the program of storage in storage part 301, carries out for the action of user's set 3 is controlledEach processing. And DSP302 passes through to carry out the program of storage in storage part 301, main execution leading between base station apparatus 2Believe relevant each processing. In storage part 301, store program that MPU300 and DSP302 carry out and by this program and interimThe data that use.
In antenna 304, receive the wireless signal sending from base station apparatus 2. Receiving signal is input to via duplexer 305Enlarging section 306. Amplify to received signal enlarging section 306. Frequency inverted portion 307 is by the reception letter of the wireless frequency after amplifyingNumber be converted to baseband signal. By DSP302, baseband signal is processed.
Signal base station apparatus 2 being sent from user's set 3 being generated by DSP302 is converted to nothing by frequency inverted portion 308Line frequency. Amplify wireless frequency signal enlarging section 309. The letter sending after amplifying via duplexer 305 and antenna 304Number.
Fig. 5 is the structure chart of the 1st example of user's set 3. The DSP302 of Fig. 4 is by carrying out the journey of storage in storage part 301Order, carries out the information processing of the structural element based on shown in Fig. 5. Other embodiment of user's set 3 too. In addition, Fig. 5 withCentered by the function relevant with following explanation, illustrate. Therefore, user's set 3 also can comprise its beyond illustrated structural elementHis structural element.
User's set 3 has wireless communication part 320, data communication section 321, instruction acceptance division 321, measures and process control part322, Status Change portion 323, timing portion 324, received power determination part 325, mensuration Information generation portion 326, measurement resultSending part 327. Measuring Information generation portion 326 and measurement result sending part 327 can be an example of measurement result notification unit.
Wireless communication part 320 carries out after multiplexing being converted into wireless frequency signal, warp to sending the data signal of objectSend to base station apparatus 2 by antenna 304. And wireless communication part 320 is by the nothing receiving from base station apparatus 2 via antenna 304Line frequency signal is converted to data signal. Data communication section 321 is carried out data via wireless communication part 320 with base station apparatus 2Signal transmitting and receiving.
Instruction acceptance division 321 receives the index signal sending from base station apparatus 2. Instruction acceptance division 321 is processed control to measuringPortion 322 processed exports the information element comprising in index signal. The information element that outputs to mensuration processing control part 322 for example comprisesThe appointment of N and notice item appointed information between notice day.
Information element can comprise the appointment of the operating state of the user's set 3 after notice measurement result. Operating stateAppointment can be specified any one party in idle condition and state of activation, and information element can comprise the notice week with measurement resultThe appointment that phase is relevant.
Measure and process control part 322 from indicating acceptance division 321 to receive information element, make Status Change portion 323 to usingThe operating state of family device 3 shifts. Now, Status Change portion 323 makes the operating state of user's set 3 turn from state of activationMove on to the operating state that produces empty district and notify the measurement result of received power from base station apparatus 2 in order to detect.
In the following description, the mensuration knot of received power will be notified in order to detect the empty district of generation from base station apparatus 2The operating state souvenir of fruit is " measuring enforcement state ". And, after the notice of measurement result finishes, measure and process control part322 according to the appointment comprising in information element, and Status Change portion 323 is shifted the operating state of user's set 3.
Measure and process the appointment of control part 322 to N between the notice day comprising in timing portion 324 output information key elements.And, measure and process control part 322 to measuring Information generation portion 326 output notice item appointed information. Measure and process control part322 also can be to measuring the Information generation portion 326 output appointment relevant with the announcement period of measurement result.
Status Change portion 323, according to from measuring the instruction of processing control part 322, enters the operating state of user's set 3Row shifts. And Status Change portion 323, in the situation that receiving activation instruction from base station apparatus 2, makes the moving of user's set 3The state of doing is transferred to state of activation from idle condition.
Timing portion 324 determines whether through N between notice day. Received power determination part 325 is measured from 2 of base station apparatusThe received power of the wireless signal sending. Till in during through N between notice day, measure Information generation portion 326 by fromIn the measurement result being measured to by received power determination part 325, extract the information of being specified by notice item appointed information, generateThe information that service station 2 is sent. In the following description, sometimes by information table service station 2 being sent for measurement resultBe designated as " mensuration information ".
Measurement result sending part 327 sends the mensuration information being generated by mensuration Information generation portion 326 as survey to service station 2Determine result. Measuring Information generation portion 326 also can be according to relevant with the announcement period of measurement result with measurement result sending part 327Appointment, measure generation and the transmission of information.
Then, the structure of server unit 4 is described. Fig. 6 is the example that the hardware configuration of server unit 4 is shownFigure. Server unit 4 has MPU400, storage part 401, NWP402, bus 403.
MPU400, storage part 401 and NWP402 are connected by bus 403. In storage part 401, store for to serviceVarious programs and data that the action of apparatus 4 is controlled. Storage part 401 can comprise memory, hard disk and non-volatileMemory etc.
MPU400, by carrying out the program of storage in storage part 401, carries out for the action of server unit 4 is controlledEach processing of system. The program that store M PU400 carries out in storage part 401 and by this program and the data of Interim use.NWP402 carries out the transmitting-receiving processing of the signal between base station apparatus 2.
Fig. 7 is the figure that an example of the structure of server unit 4 is shown. The MPU400 of Fig. 6 deposits by carrying out in storage part 401The program of storage, carries out the information processing of the structural element based on shown in Fig. 7. In addition, Fig. 7 taking the function relevant with following explanation asCenter illustrates. Therefore, server unit 4 also can comprise illustrated structural element other structural elements in addition.
Server unit 4 has network interface 420, ES uses control part 421, empty information acceptance division 422. Network interface420 carry out the signal transmitting and receiving processing between base station apparatus 2.
ES utilization control part 421 determines whether and need to stop sending output from base station apparatus 2. For example, ES uses controlThe portfolio and the consumed power that are measured to by base station apparatus 2 can be collected via network 5 by portion 421 processed, thus, according to portfolio andConsumed power determines whether and need to stop sending output from base station apparatus 2. ES uses control part 421 to generate and asks to stop baseThe signal of the transmission output of station arrangement 2, sends to base station apparatus 2 via network 5.
Cavity information acceptance division 422 receives the empty information sending from the empty Information generation portion 229 of base station apparatus 2. ESUse control part 421 according to the empty information receiving, determine whether and stop sending output from base station apparatus 2. StoppingSend the situation of output from base station apparatus 2, ES uses control part 421 to indicate base station apparatus 2 to stop sending output.In addition, in the situation that not receiving empty information, ES uses control part 421 also can indicate base station apparatus 2 to stop sending outSend output.
In addition, the hardware configuration shown in Fig. 2, Fig. 4 and Fig. 6 is only base station apparatus 2, user's set 3 and server dressPut an example of 4 hardware configuration. As long as carry out the processing of recording in this description, also can adopt the hard arbitrarily of otherPart structure.
Then, with reference to Fig. 8, the 1st example of the processing in communication system 1 is described. In addition, in other embodiments,Each operation of following operation AA～AH can be also step.
In operation AA, the event detection portion 223 of base station apparatus 2 detects the request of whether producing and stops entering from base station apparatus 2Row sends the ES request event of output. At this time point, user's set 3a is in idle condition, and user's set 3b is in activating shapeState.
In operation AB, activation instruction portion 231 determines the user's set of the idle condition of the community that is positioned at base station apparatus 23a. Activation instruction portion 231 sends and makes user's set 3a transfer to the activation instruction of state of activation to user's set 3a. At operation ACIn, user's set 3a transfers to state of activation.
With reference to Fig. 9 and Figure 10, one example of the processing of the user's set 3a to activation instruction portion 231 definite idle conditions is carried outExplanation. Fig. 9 illustrates the structural element being associated with the mobile management of the user's set 3a in communication system 1. The use of idle conditionFamily device 3a is positioned at base station apparatus 2a community.
Represent to carry out the location register of user's set 3a and the mobile management device of paging processing with reference to label 6, with reference to markNumbers 7 is the positional information of registered user's device 3a and the user's set database of class information. Mobile management device 6 and user's dressPutting database 6 can be for example that the communication mode of being determined by 3GPP is LTE(LongTermEvolution) in MME(MobilityManagementEntity) and HSS(HomeSubscriberServer).
Figure 10 illustrates an example of the processing of the user's set 3a that determines idle condition. In addition, in other embodiments, underEach operation of stating operation BA～BH can be also step. In operation BA, event detection portion 223 detects whether produce ES request thingPart.
In operation BB, activation instruction portion 231 asks mobile management device 6 to being positioned at base station apparatus 2a communityWhole user's sets 3 carry out paging. In operation BC, mobile management device 6 will be positioned at the residing TA(of base station apparatus 2a to be followed the tracks ofDistrict) in user's set 3 as caller terminal, only carry out paging via base station apparatus 2a.
Owing to implementing this paging via base station apparatus 2a, so activation instruction portion 231 can be in the communication link based on pagingMeet the rear user's set 3a determining in idle condition. The paging signal sending from base station apparatus 2a is an example of activation instruction.
In operation BD, the user's set 3a that receives paging starts to carry out additional process. By implementing additional process, useThe radio communication of family device 3a and base station apparatus 2a is set up, and user's set 3a transfers to state of activation.
In additional process, the class information that user's set 3a notice is relevant with user's set 3a. In operation BE, mobileManagement devices 6 requests are upgraded and are registered in the class information in user's set database 7 for user's set 3a.
In operation BF, user's set database 7 is sent in the response signal for update request to mobile management device 6In class information after upgrading. In operation BG, mobile management device 6 sends this class information to base station apparatus 2a.
In operation BH, activation instruction portion 231 judges according to class information whether user's set 3a supports said determination realExecute state. In the situation that user's set 3a supports to measure enforcement state, activation instruction portion 231 maintains between user's set 3aWireless connection conditions. In aftermentioned operation AD, instruction sending part 225 sends index signal to user's set 3a.
In the situation that user's set 3a does not support to measure enforcement state, activation instruction portion 231 cuts off and user's set 3aBetween wireless connections. Its result, user's set 3a returns to idle condition.
With reference to Fig. 8. In operation AD, instruction sending part 225 sends index signal to user's set 3. Indicate by receptionSignal, user's set 3 is transferred to the enforcement state of measuring. The index signal that sends to user's set 3a can comprise for passing throughBetween notice day, after N, make the operating state of user's set 3a return to the appointment of the operating state of idle condition. And, send to userThe index signal of device 3a can be included in and after N between notice day, make the operating state of user's set 3b return to state of activationSpecify. User's set 3 in transferring between the notice day of measuring after enforcement state during N, in operation AE1～AEn to doingFor the base station apparatus 2 in service station sends measurement result.
When base station apparatus 2 receives after measurement result in operation AE1～AEn, in operation AF1～AFn, cavity is detectedIssuable empty district in the situation that stopping sending output from base station apparatus 2, according to measurement result, is detected by portion 228.The Check processing of cavity test section 228 is narrated in the back.
Then,, after N between notice day expires, the mensuration of user's set 3a and 3b is processed control part 322 and Status Change portion323 according to the appointment of the operating state comprising in index signal, makes user's set 3a and 3b return to respectively idle condition and activationState.
In operation AG, empty Information generation portion 229 generates empty information. Cavity Information generation portion 229 fills to serverPut 4 transmission cavity information. The ES of server unit 4 uses control part 421 according to the empty information receiving, and judgement could stopThe transmission output of base station apparatus 2. ES uses control part 421, according to result of determination, the instruction that stops that sending output is sent to base stationDevice 2.
In operation AH, retreat operation control section 230 and receive the instruction that stops that sending output. Receive stop instructionIn situation, retreat operation control section 230 and stop the transmission output of base station apparatus 2.
Then, with reference to Figure 11, the 1st example of the empty Check processing to empty test section 228 describes. In addition, at otherIn embodiment, each operation of following operation CA～CF can be also step.
In this example, service station is predefined for and is measured to the base station apparatus of optimum received power or is measured to the 2nd good connecingAny one party in the base station apparatus of receipts power. Therefore, from the base station apparatus beyond the service station in these base station apparatusReceived power is the optimum received power that in the situation about stopping of service station, user's set 3 can receive.
Therefore, if be measured to the base station apparatus of optimum received power or be measured to the base station of the 2nd good received powerReceived power in measurement result in station in device, beyond service station meets the desired strength condition, can estimateEven for service station stops also can not producing cavity.
In this example, in notice item appointed information, specified notice for " being measured to the base station of optimum received powerDevice and be measured to the base station apparatus of the 2nd good received power " measurement result after measuring. User's set 3 is to base stationDevice 2 sends for being measured to the base station apparatus of optimum received power and being measured to the base station apparatus of the 2nd good received powerMeasurement result after measuring.
In operation CA, measurement result acceptance division 227 receives the measurement result sending from user's set 3. In operation CB,Cavity test section 228 extracts in the measurement result receiving, comprise, for beyond our station 2 being service station 2 other bases in additionMeasurement result after station arrangement 2 is measured. About the explanation of following Figure 11, sometimes using the base station apparatus table as service stationBeing designated as " base station apparatus 2a ", is " base station apparatus 2b " by other base station apparatus souvenirs.
In operation CC, empty test section 228 determines whether and has the measurement result relevant with other base station apparatus 2b. ?Exist (operation CC: be) in the situation of the measurement result relevant with other base station apparatus 2b, process and enter operation CD. Do not existIn the situation of the measurement result relevant with other base station apparatus 2b (operation CC: no), process and enter operation CF.
In operation CD, empty test section 228 judges that whether the received power being measured to for other base station apparatus 2b is fullFoot prescribed strength condition. For example, empty test section 228 judges whether as defined threshold above received power. As regulationStrength condition, can adopt the various conditions of the intensity for judging received power. In other embodiments too.
In the situation that received power meets prescribed strength condition (operation CD: be), process and enter operation CE. Receiving meritRate does not meet (operation CD: no) in the situation of prescribed strength condition, processes and enters operation CF.
In operation CE, empty test section 228 is judged to be not detect the empty district of generation. On the other hand, in operation CF,Cavity test section 228 is judged to be to detect the empty district of generation.
Then, other examples of the empty Check processing to empty test section 228 describe. Figure 12 is empty Check processingThe key diagram of the 2nd example. In addition, in other embodiments, each operation of following operation DA～DD can be also step.
In this example, service station is predefined for the base station apparatus that is measured to optimum received power. Therefore, the 2nd good receptionPower is the optimum received power that user's set 3 can receive stop in service station in the situation that. Therefore, if the 2nd excellentGood received power meets the desired strength condition, stops also can not producing cavity even if can be estimated as service station.
In this example, in notice item appointed information, specified notice for " being measured to the 2nd good received powerBase station apparatus " measurement result after measuring. User's set 3 sends for being measured to the 2nd good reception to base station apparatus 2Measurement result after the base station apparatus of power is measured.
In operation DA, measurement result acceptance division 227 receives the measurement result sending from user's set 3. In operation DB,Cavity test section 228 judges whether the received power in the measurement result receiving meets prescribed strength condition.
In the situation that received power meets prescribed strength condition (operation DB: be), process and enter operation DC. Receiving meritRate does not meet (operation DB: no) in the situation of prescribed strength condition, processes and enters operation DD.
In operation DC, empty test section 228 is judged to be not detect the empty district of generation. In operation DD, cavity is detectedPortion 228 is judged to be to detect the empty district of generation.
Then, other examples of the empty Check processing to empty test section 228 describe. Figure 13 is empty Check processingThe key diagram of the 3rd example. In addition, in other embodiments, each operation of following operation EA～EE can be also step.
In this example, obtain reception merit more than expectation strength by the base station apparatus beyond determining whether from service stationRate, detects and whether produces empty district. In this example, in notice item appointed information, specified notice for " being measured to satisfiedThe base station apparatus of the received power of prescribed strength condition " measurement result after measuring. User's set 3 is to 2 of base station apparatusSend the measurement result after measuring for the base station apparatus that is measured to the received power that meets prescribed strength condition. About belowThe explanation of Figure 13, be " base station apparatus 2a " using the base station apparatus souvenir as service station sometimes, by other base station apparatus souvenirsFor " base station apparatus 2b ".
In operation EA, measurement result acceptance division 227 receives the measurement result sending from user's set 3. In operation EB,Cavity test section 228 extracts other base station apparatus 2b for beyond base station apparatus 2a comprising in the measurement result receiving and entersMeasurement result after row is measured.
In operation EC, empty test section 228 determines whether and has the measurement result relevant with other base station apparatus 2b. ?Exist (operation EC: be) in the situation of the measurement result relevant with other base station apparatus 2b, process and enter operation ED. Do not existIn the situation of the measurement result relevant with other base station apparatus 2b (operation EC: no), process and enter operation EE.
In operation ED, empty test section 228 is judged to be not detect the empty district of generation. On the other hand, in operation EE,Cavity test section 228 is judged to be to detect the empty district of generation.
According to the present embodiment, can ex ante forecasting stop producing empty district due to the transmission output of base station apparatus. CauseThis, reality can not produce radio jink failure, produces empty district, energy can predict stopping of exporting in the transmission of base station apparatus timeEnough minimizing produces empty district.
And, according to the present embodiment, stop the received power of the tight front user's set that sends output according to base station apparatus,Prediction generating cavity district. Therefore, can dynamically judge the empty district generation of the in esse position of user's set. Its result,Can reduce the transmission output of base station apparatus stop implementing time produce radio jink failure.
Then, other embodiment of base station apparatus 2 are described. Figure 14 is the structure chart of the 2nd example of base station apparatus 2.Identical with reference to label to the structural element mark identical with the structural element shown in Fig. 3. Unless otherwise specified, mark phaseAction with the structural element with reference to label is identical. And, other embodiment also can have the structural element shown in Figure 14 andIts function. In addition, about the explanation of Figure 14 and 15, be " base station apparatus 2a " by our station souvenir sometimes, by other base station apparatus tablesBe designated as " base station apparatus 2b ".
The empty test section 228 of this example is judging whether meet prescribed strength from the received power of other base station apparatus 2bWhen condition, consider the surplus of current transmitted power with respect to the maximum transmit power of other base station apparatus 2b. , though fromReceived power in the measurement result that user's set 3 receives does not meet in the situation of prescribed strength condition, if measuring knotThe value that adds the surplus of transmitted power in received power in fruit and obtain satisfies condition, and is also judged as and does not produce empty district.
Therefore, base station apparatus 2 has balance information acceptance division 240 and correction request portion 241. Balance information acceptance division 240Receive the balance information of expression from the surplus of the transmitted power of other base station apparatus 2b. Relevant with certain base station apparatus 2bReceived power in measurement result does not meet prescribed strength condition, adds the surplus of transmitted power and obtain in this received powerValue situation about satisfying condition under, 241 this base station apparatus of the request 2b of correction request portion carry out transmitted power correction, to increase transmissionPower.
Figure 15 is the key diagram of the 4th example of empty Check processing. In addition, in other embodiments, following operation FA～Each operation of FI can be also step. In operation FA, measurement result acceptance division 227 receives the mensuration sending from user's set 3Result.
In operation FB, in the receiving intensity of empty test section 228 in the measurement result receiving, add each base station dressPut the surplus of 2 transmitted power. Operation FC in, empty test section 228 extract in the measurement result receiving, comprise forThe measurement result that other base station apparatus 2b measures.
In operation FD, empty test section 228 determines whether and has the measurement result relevant with other base station apparatus 2b. ?Exist (operation FD: be) in the situation of the measurement result relevant with other base station apparatus 2b, process and enter operation FE. Do not existIn the situation of the measurement result relevant with other base station apparatus 2b (operation FD: no), process and enter operation FI.
In operation FE, empty test section 228 judges that whether the received power being measured to for other base station apparatus 2b is fullFoot prescribed strength condition. In the situation that received power meets prescribed strength condition (operation FE: be), process and enter operation FF.In the situation that received power does not meet prescribed strength condition (operation FE: no), process and enter operation FI.
In operation FF, empty test section 228 determines whether that the surplus that does not add transmitted power also meets prescribed strength barPart. In the situation that not adding that surplus also meets prescribed strength condition (operation FF: be), process and enter operation FH. Do not addingSurplus does not meet (operation FF: no) in the situation of prescribed strength condition, processes and enters operation FG.
In operation FG, 241 other base station apparatus of the request 2b of correction request portion carry out transmitted power correction, to increase transmissionPower. Then, process and enter operation FH. In operation FH, empty test section 228 is judged to be not detect the empty district of generation. SeparatelyOn the one hand, in operation FI, empty test section 228 is judged to be to detect the empty district of generation.
According to the present embodiment, in the time only empty district being detected according to the measurement result of user's set 3, at base station apparatus 2aTransmitted power stop end situation under, by the transmitted power of other base station apparatus 2b is proofreaied and correct, also can keep awayExempt to produce empty district. Therefore,, by the detection in empty district, the transmitted power that can reduce base station apparatus 2a stops the machine of endingMeeting.
Then, other embodiment of base station apparatus 2 are described. Figure 16 is the structure chart of the 3rd example of base station apparatus 2.Identical with reference to label to the structural element mark identical with the structural element shown in Fig. 3. Unless otherwise specified, mark phaseAction with the structural element with reference to label is identical. And, other embodiment also can have the structural element shown in Figure 16 andIts function.
The empty information that this routine base station apparatus 2 generates according to empty Information generation portion 229, determines whether and stops from base stationDevice 2 sends output. Therefore, having ES uses control part 250 and uses state estimating portion 251. ES uses control part 250It can be the example that output could detection unit. In addition, in the present embodiment, owing to carrying out believing based on cavity in base station apparatus 2What the transmission of breath was exported stops judging, so communication system 1 can be omitted server unit 4.
Use state estimating portion 251 to measure the utilization rate of the Radio Resource in base station apparatus 2. Use state estimating portion 251Use control part 250 to export measurement result to ES. Use state estimating portion 251 via network interface 222 to other adjacent basesStation arrangement 2 sends measurement result. In addition, about the explanation of Figure 16, be " base station apparatus 2a " by our station souvenir sometimes, by other basesStation arrangement souvenir is " base station apparatus 2b ".
ES uses control part 250 to have use state acceptance division 252, and this use state acceptance division 252 receives from adjacentThe measurement result of the utilization rate of the Radio Resource that other base station apparatus 2b receives. ES uses control part 250 according to base station apparatusThe utilization rate of the Radio Resource of the utilization rate of the Radio Resource of 2a and adjacent other base station apparatus 2b, produces ES request event.In response to the generation of ES request event, empty Information generation portion 229 generates empty information.
ES uses control part 421 according to the empty information receiving, and determines whether and stops sending from base station apparatus 2aOutput. Stopping sending output in the situation that from base station apparatus 2a, ES use control part 250 via network interface 222 toOther base station apparatus 2b sends the output Stop message that represents to stop sending output. ES uses control part 421 to make to retreat fortuneTurn the transmission output that control part 230 stops base station apparatus 2a.
And in the situation that other base station apparatus 2b stops sending output, ES uses control part 421 from other basesStation arrangement 2b receives output Stop message.
ES uses control part 421 to have request sending part 253, wireless in base station apparatus 2a of this request sending part 253The utilization rate of resource is not in prescribed limit in the situation that, and other base station apparatus 2b during output is stopped sends request and sends outSend the request signal of output.
And ES uses control part 421 to have the request receiving that receives the request signal sending from other base station apparatus 2bPortion 254. In the situation that receiving request signal from other base station apparatus 2b, ES uses control part 421 to make to retreat running and controlsPortion 230 starts to carry out the transmission output of base station apparatus 2a again. In addition, these request signals can enter via network interface 222Row transmitting-receiving.
According to the present embodiment, due in base station apparatus 2, carry out transmission output based on empty information stop could sentencingFixed, so communication system 1 can be omitted server unit 4, can will send stopping judging and being distributed to each base station of outputIn device 2.
Then, other embodiment of base station apparatus 2 and user's set 3 are described. Figure 17 is the 4th of base station apparatus 2The structure chart of example. Identical with reference to label to the structural element mark identical with the structural element shown in Fig. 3. As long as no special theoryBright, the action that marks the identical structural element with reference to label is identical. And other embodiment also can have shown in Figure 17Structural element and function thereof.
And Figure 18 is the structure chart of the 2nd example of user's set 3. The structure identical with the structural element shown in Fig. 5 wantedElement mark is identical with reference to label. Unless otherwise specified, mark the action of the identical structural element with reference to label identical. AndAnd other embodiment also can have the structural element shown in Figure 18 and function thereof.
In this example, switch to other base station apparatus at the user's set 3 of measuring enforcement state from 2a community, service station, before N between notice day expires, user's set 3 reverts to original operating state from measuring enforcement state when 2b the community. SeparatelyIn additional accompanying drawing, switching table is designated as " HO " outward.
And, in this example, switch to from other base station apparatus 2b community at user's set 3 and implement cavity detectionProcess base station apparatus 2a community time, base station apparatus 2a is according to when sending the residue of exporting scheduled time of stoppingBetween, judgement could be switched.
Therefore, base station apparatus 2 has switch control portion 260 and switching command sending part 261. And user's set 3 hasSwitching command acceptance division 340 and switch control portion 341. Switch control portion 260 can be that switch could detection unit and instruction unitOne example.
Below, with reference to Figure 19～Figure 22 to the switch control portion 260 in hand-off process, switching command sending part 261, switchThe action of command reception portion 340 and switch control portion 341 describes. Figure 19 measures the user's set 3 of enforcement state from clothesThe key diagram of processing when business Zhan2a community switches to other base station apparatus 2b community. In addition, in other embodiments,Each operation of following operation GA～GM can be also step.
In operation GA, the event detection portion 223 of base station apparatus 2a detects whether produce ES request event. At this time point,User's set 3a is in idle condition. In operation GB, activation instruction portion 231 sends activation instruction to user's set 3a. BehaviourDo in GC, user's set 3a transfers to state of activation.
In operation GD, instruction sending part 225 sends index signal to user's set 3. By receiving index signal, userDevice 3a transfers to the enforcement state of measuring. Transfer at user's set 3a between the notice day of measuring after enforcement state after N starts,In operation GE, user's set 3a notifies the mensuration after measuring from the received power of base station apparatus 2 to base station apparatus 2aResult.
The measurement result of the notice from user's set 3a to base station apparatus 2a, exist for entering for empty test section 228The measurement result of row Check processing and the measurement result being switched and determined for switch control portion 260. Switch control portion 260 is defeatedEnter the measurement result of the switching determination use that measurement result acceptance division 227 receives.
In operation GF, switch control portion 260 determines to implement user's set 3a from base station apparatus 2a to base station apparatus 2b'sSwitch. Switching command sending part 261 sends and makes user's set 3a switch to base station apparatus from base station apparatus 2a to user's set 3aThe switching command of 2b.
In operation GG, the switching command acceptance division 340 of user's set 3a receives switching command. Switching command acceptance division340 notify the reception of switching command to switch control portion 341. In the situation that receiving switching command, even in process noticeBefore N, switch control portion 341 also makes Status Change portion 323 that the operating state of user's set 3 is transferred to switch and activates shape during this timeState. Its result, measures Information generation portion 326 and measurement result sending part 327 expiry notification measurement results.
In operation GH, switch control portion 341 is carried out the hand-off process from base station apparatus 2a to base station apparatus 2b. Work as switchingAfter processing finishes, in operation GI, measure processing control part 322 and Status Change portion 323 moving according to what comprise in index signalDo the appointment of state, make user's set 3a return to idle condition.
In operation GJ～GN, same with the AF1～AFn shown in Fig. 8, AG and AH, base station apparatus 2a carries out empty districtStopping of the reception that stops instruction of the generation of detection, empty information and transmission, transmission output and the transmission output of base station apparatus 2Only.
By switching the situation that makes user's set 3 depart from the empty Check processing base station apparatus 2a community in implementingUnder, do not need the measurement result of user's set 3. According to the present embodiment, by making the operating state of this user's set 3 from measuringEnforcement state returns to original state, can save useless mensuration and process and notifier processes, can save notify neededRadio Resource.
Then, with reference to Figure 20, user's set 3 is switched to from other base station apparatus 2b community and implement cavity detectionProcess base station apparatus 2a community time processing describe. In addition, in other embodiments, following operation HA～HM'sEach operation can be also step.
In operation HA, the event detection portion 223 of base station apparatus 2a detects whether produce ES request event. In this example,At this time point, user's set 3a, in state of activation, is positioned at base station apparatus 2b community. In operation HB, user's set 3aBe switched and determined the measurement result of use to base station apparatus 2b notice.
In operation HC, base station apparatus 2b checks and could switch to base station apparatus 2a. In operation HD, base station apparatus 2a'sSwitch control portion 260 is judged and could be switched. Could determination processing narrating in the back of the switching of switch control portion 260.
In the time that switch control portion 260 licenses are switched, in operation HE, switch control portion 260 is via network interface 222Send informing base station device 2b and permit the enabling signal of switching. And same, switch control portion 260 is to base station apparatus 2bTransmission be used to specify according to stop sending the moment of exporting remaining period and during definite the timer of M believeBreath.
Timer information is that the user's set 3a switching for base station apparatus 2a notifies from base to base station apparatus 2aAppointed information during the measurement result of the received power of station arrangement 2. In operation HF, base station apparatus 2b is to user's set 3aSend enabling signal and timer information.
The switch control portion 341 of user's set 3a receives after enabling signal, in operation HG, carries out from base station apparatus 2bTo the hand-off process of base station apparatus 2a.
Instruction acceptance division 321 receives after timer information, notifies timer information to measuring processing control part 322. SurveySurely processing control part 322 makes Status Change portion 323 that the operating state of user's set 3 is transferred to and measured enforcement shape from state of activationState. Measure and process control part 322 to timing portion 324 output timer information. Timing portion 324 determines whether through fixedTime device information shown in during M.
During during M in, in operation HI1～HIn, user's set 3a sends and measures knot to base station apparatus 2a respectivelyReally. When base station apparatus 2a receives after measurement result, in operation HJ1～HJn, empty test section 228 is examined according to measurement resultSurvey issuable empty district in the situation that stopping sending output from base station apparatus 2a.
When through during after M, in operation HK and HL, same with the AG shown in Fig. 8 and AH, base station apparatus 2a carries out cavityStopping of the reception that stops instruction of the generation of information and transmission, transmission output and the transmission output of base station apparatus 2. And,In operation HM, measure processing control part 322 and Status Change portion 323 and make user's set 3a return to original state of activation.
Then, could judging of the switching in the operation HD of Figure 20 processed and described. Figure 21 is could sentencing of switchingThe fixed key diagram of processing. In addition, in other embodiments, each operation of following operation IA～IE can be also step.
In operation IA, base station apparatus 2a receives could checking of switching based on user's set 3a from base station apparatus 2b.In operation IB, whether the switch control portion 260 of base station apparatus 2a is checked base station apparatus 2a and is located in mensuration processing control part 224In the Check processing in empty district.
In Check processing at base station apparatus 2a in empty district (operation IB: be), process and enter operation IC.In the case of base station apparatus 2a is not in the Check processing in empty district (operation IB: no), processes and enter operation ID.
In operation IC, switch control portion 260 is judged till stop the residue phase of the predetermined instant that sends outputBetween whether exist more than needed. For example, switch control portion 260 is judged till stop the residue phase of the predetermined instant that sends outputBetween whether long than the connection processing time in switching. Have (operation IC: be) in the situation that more than needed in the remaining period, processing entersOperation ID. There is not (operation IC: no) in the situation that more than needed in the remaining period, process and enter operation IE.
In operation ID, switch control portion 260 licenses are switched. On the other hand, in operation IE, switch control portion260 forbid switching.
Figure 22 illustrates the processing in the situation of forbidding switching. In addition, in other embodiments, following operation HA～Each operation of HD, HJ～HL and HN can be also step. Each operation HA～HD shown in operation HA～HD, HJ～HL and Figure 20,HJ～HL is identical. The in the situation that in operation HD, switch control portion 260 forbidding switching, in operation HN, switch control portion260 send to base station apparatus 2b the signal that disapproves switching.
Its result, base station apparatus 2b does not start to carry out the hand-off process relevant with user's set 3a, so, do not carry out userThe switching of device 3a.
According to the present embodiment, in the situation that producing after ES request event that user's set will switch, according to stoppingSend output predetermined instant till remaining time, judgement could be switched. Therefore, can prevent owing to switchingConnection process that Halfway Stopping is carried out the transmission output of base station apparatus 2 and reciprocal (pingpong) phenomenon of producing.
According to the present embodiment, the user's set that can switch from producing ES request event receives the logical of measurement resultKnow. Therefore the precision that, cavity is detected improves.
Here record whole examples and the intention of condition term be aims of education, with help reader understanding the present invention andThe concept being provided by inventor for Push Technology, should be interpreted as being not limited to the concrete above-mentioned example of recording and condition, withAnd the structure of example in this description relevant with the content that superiority of the present invention and of inferior quality property are shown. Describe this in detailInventive embodiment, still, should be understood that and can append respectively it under the premise without departing from the spirit and scope of the present inventionPlant and change, replace and revise.
1: communication system; 2a, 2b: base station apparatus; 3a, 3b: user's set; 227: measurement result acceptance division; 228: cavityTest section; 325: received power determination part; 326: measure Information generation portion; 327: measurement result sending part.
1. a communication system, it has mobile station apparatus and multiple base station apparatus, and the plurality of base station apparatus at least comprises the 1st baseStation arrangement and the 2nd base station apparatus, this communication system is characterised in that,
Described mobile station apparatus has:
Determination part, it measures respectively the received power from described multiple base station apparatus; And
Measurement result notification unit, its base station to the residing community of the described mobile station apparatus of covering in described multiple base station apparatusDevice is notified the measurement result of described received power,
Described the 1st base station apparatus has:
Measurement result acceptance division, it is received in the situation of community that described mobile station apparatus is positioned at described the 1st base station apparatusNotified described measurement result; And
Cavity test section, its according to described mobile station apparatus to other base station apparatus from beyond described the 1st base station apparatusReceived power has been carried out the measurement result of measuring, and detects in the situation that stopping sending output from described the 1st base station apparatusIssuable empty district.
2. communication system according to claim 1, is characterized in that,
Described measurement result notification unit notice is respectively for being measured to the base station apparatus of optimum received power and being measured to the 2nd goodThe base station apparatus of received power carried out the measurement result of measuring.
3. communication system according to claim 2, is characterized in that,
In the time not receiving the measurement result of having carried out measuring for described other base station apparatus from described mobile station apparatus, described inCavity test section is judged to be to produce empty district.
4. communication system according to claim 2, is characterized in that,
In the time that the received power being measured to for described other base station apparatus does not meet prescribed strength condition, described empty test sectionBe judged to be to produce empty district.
5. communication system according to claim 1, is characterized in that,
Described measurement result notification unit notice has carried out for the base station apparatus that is measured to the 2nd good received power the survey of measuringDetermine result.
6. communication system according to claim 5, is characterized in that,
Do not meet regulation in the received power for notified the base station apparatus of measurement result to be measured to from described mobile station apparatusWhen strength condition, described empty test section is judged to be to produce empty district.
7. communication system according to claim 1, is characterized in that,
Described measurement result notification unit notice is carried out for the base station apparatus that is measured to the received power that meets prescribed strength conditionMeasure measurement result.
8. communication system according to claim 7, is characterized in that,
9. communication system according to claim 1, is characterized in that,
Described the 1st base station apparatus has instruction sending part, and this instruction sending part sends index signal, and this index signal makes to be positioned at instituteThe described mobile station apparatus of stating in the community of the 1st base station apparatus is notified described measurement result.
10. communication system according to claim 9, is characterized in that,
The appointment that described index signal comprises following condition, this condition for select to described the 1st base station apparatus send with described inThe relevant measurement result of certain base station apparatus in multiple base station apparatus.
11. according to the communication system described in claim 9 or 10, it is characterized in that,
Described the 1st base station apparatus has event detection portion, and this event detection portion detects request and stops entering from described the 1st base station apparatusRow sends the event of output,
In the situation that described event being detected, described instruction sending part sends described index signal.
12. communication systems according to claim 11, is characterized in that,
Described mobile station apparatus has and comprises state of activation and idle condition at least 2 kinds of interior states, wherein, and this state of activationFor sending the state of described measurement result, this idle condition is the state that can not send described measurement result,
Described instruction sending part only when described event detected the described mobile station apparatus in described state of activation send instituteState index signal.
13. communication systems according to claim 11, is characterized in that,
Described the 1st base station apparatus has activation instruction portion, and this activation instruction portion is in response to the situation that detects described event, described in makingThe described mobile station apparatus of idle condition is transferred to described state of activation,
Described instruction sending part is sent out the described mobile station apparatus of transferring to described state of activation by described activation instruction portionSend described index signal.
14. communication systems according to claim 9, is characterized in that,
Described index signal comprises described mobile station apparatus and notifies the appointment between the notice day of described measurement result,
Described mobile station apparatus has timing portion, and the process between described notice day detects in this timing portion,
Described measurement result notification unit is in measurement result described in expiry notification through between described notice day time.
15. communication systems according to claim 9, is characterized in that,
Be switched to the situation of the community of described the 2nd base station apparatus from the community of described the 1st base station apparatus at described mobile station apparatusUnder, measurement result described in described measurement result notification unit expiry notification.
16. communication systems according to claim 11, is characterized in that,
Described the 1st base station apparatus has switching could detection unit, this switching could detection unit according to stopping carrying out described transmissionRemaining period till the moment of output, judge that described mobile station apparatus could be switched to from the community of described the 2nd base station apparatusThe community of described the 1st base station apparatus.
17. communication systems according to claim 16, is characterized in that,
Described the 1st base station apparatus has instruction unit, and this instruction unit sends to described mobile station apparatus via described the 2nd base station apparatusMake the described mobile station apparatus of the community that is switched to described the 1st base station apparatus notify the signal of described measurement result,
The signal sending from described instruction unit comprises the appointment between the described notice day of determining according to the described remaining period.
18. communication systems according to claim 1, is characterized in that,
Described the 1st base station apparatus has balance information acceptance division, and this balance information acceptance division receives from described other base station apparatusThe information relevant with the surplus of the transmitted power of described other base station apparatus,
Described empty test section according to add the above surplus in the received power being measured to for described other base station apparatus andThe value obtaining, detects described empty district.
19. communication systems according to claim 1, is characterized in that,
Described the 1st base station apparatus has output could detection unit, this output could detection unit according to the sky of described empty test sectionThe testing result in hole district, determines whether and stops sending output from described the 1st base station apparatus.
20. communication systems according to claim 19, is characterized in that,
Described output could have request receiving portion by detection unit, this request receiving portion from described other base station apparatus receive request fromDescribed the 1st base station apparatus sends the request signal of output,
In the situation that described request acceptance division receives described request signal, described output could start from institute by detection unit againState the 1st base station apparatus and send output.
21. 1 kinds of detection methods, the empty district that the area of coverage of detection communication system produces, wherein, this communication system has movesMoving station arrangement and multiple base station apparatus, this detection method is characterised in that and comprises the steps:
In described mobile station apparatus, measure respectively the received power from described multiple base station apparatus; And
According to beyond the base station apparatus of the residing community of the described mobile station apparatus of covering from described multiple base station apparatusThe received power of other base station apparatus, detects at the described base station apparatus stopping from covering the residing community of described mobile station apparatusSend issuable empty district in situation about exporting.
22. 1 kinds of base station apparatus, is characterized in that having:
Measurement result acceptance division, its mobile station apparatus from the community that is positioned at described base station apparatus and covers receives by described movementThe measurement result of the received power from multiple base station apparatus that station arrangement is measured to respectively; And
Cavity test section, it is the reception to other base station apparatus from beyond described base station apparatus according to described mobile station apparatusPower has carried out the measurement result of measuring, and detects and sends export in the situation that and may produce from described base station apparatus stoppingEmpty district.
Mobile station apparatus in 23. 1 kinds of communication systems claimed in claim 1, is characterized in that also having instruction acceptance division,The base station apparatus reception notification of this residing community of described mobile station apparatus of the covering of instruction acceptance division from multiple base station apparatusThe index signal of the measurement result of the received power of described base station apparatus.
CN201180064792.3A 2011-01-24 2011-01-24 Detection method, base station apparatus and the mobile station apparatus in communication system, empty district CN103299666B (en)
PCT/JP2011/051214 WO2012101738A1 (en) 2011-01-24 2011-01-24 Communication system, hole area detection method, base station device and mobile station device
CN103299666A CN103299666A (en) 2013-09-11
CN103299666B true CN103299666B (en) 2016-05-11
ID=46580349
CN201180064792.3A CN103299666B (en) 2011-01-24 2011-01-24 Detection method, base station apparatus and the mobile station apparatus in communication system, empty district
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CN (1) CN103299666B (en)
WO (1) WO2012101738A1 (en)
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