Source: https://patents.google.com/patent/US20080318570A1/en
Timestamp: 2019-04-18 21:04:50
Document Index: 43616553

Matched Legal Cases: ['Application No. 1999', 'Application No. 1999', 'Application No. 1999', 'art 62', 'art 63', 'art 132', 'art 133', 'art 134']

US20080318570A1 - Method and apparatus for interfacing among mobile terminal, base station and core network in mobile telecommunications system - Google Patents
US20080318570A1
US20080318570A1 US11/966,263 US96626307A US2008318570A1 US 20080318570 A1 US20080318570 A1 US 20080318570A1 US 96626307 A US96626307 A US 96626307A US 2008318570 A1 US2008318570 A1 US 2008318570A1
US11/966,263
US8285325B2 (en
2007-12-28 Application filed by Pantech and Curitel Communications Inc filed Critical Pantech and Curitel Communications Inc
2008-12-25 Publication of US20080318570A1 publication Critical patent/US20080318570A1/en
2012-10-09 Publication of US8285325B2 publication Critical patent/US8285325B2/en
This application is a continuation application of application Ser. No. 10/825,281, filed on Apr. 15, 2004, which is a continuation of application Ser. No. 09/564,941, filed on May 4, 2000, now issued as U.S. Pat. No. 6,741,868, both of which claim priority to and the benefit of Korean Patent Application No. 1999-31448, filed on Jul. 30, 1999, Korean Patent Application No. 1999-31591, filed on Jul. 31, 1999, and Korean Patent Application No. 1999-34344, filed on Aug. 19, 1999, which are all hereby incorporated by reference for all purposes as if fully set forth herein.
The layers 3 to 1 31, 35, and 36 in the synchronous terminal 30 communicate with corresponding layers 41, 45, and 46 in the synchronous radio network 40. The synchronous radio network 40 comprises a layer 3 41, a layer 2 45 and a layer 1 46. The layers 3 to 1 in the synchronous radio network 40 correspond respectively to those in the synchronous terminal 30.
FIG. 2B is a view showing the layered protocol structure of the conventional asynchronous mobile telecommunications system. In this drawing, the reference numeral 60 denotes an asynchronous terminal, 70 a UTRAN, and 80 an asynchronous core network. The asynchronous terminal 60 comprises a layer 3 61, a layer 2 65 and a layer 1 66. In particular, the layer 3 61 includes a non-access stratum (NAS) part and an access stratum (AS) part. The NAS part includes an asynchronous call control (CC) part 62 for management of a call and an asynchronous mobility management (MM) part 63 for management of a mobility. The AS part includes an asynchronous radio resource control (RRC) part. In the asynchronous system, the asynchronous RRC sub layer is apparently separated from the NAS part. Functions of the asynchronous RRC sub layer are the same as those of the synchronous RR sub layer.
According to network deployment scenarios, the IMT-2000 system can have the following four interface architectures; first: synchronous terminal—synchronous radio network—synchronous ANSI-41 network, second: synchronous terminal—synchronous radio network—asynchronous GSM-MAP network, third: asynchronous terminal—asynchronous radio network-synchronous ANSI-41 network and fourth: asynchronous terminal—asynchronous radio network—asynchronous GSM-MAP network.
In accordance with a further another aspect of the present invention, there is provided a method for interfacing between a radio network and a core network connected to the radio network in a mobile telecommunication system, wherein the radio network has a base station (BS) having a hybrid operating type being possible to be set as either a synchronous operating type or an asynchronous operating type, said method comprising the steps of: a) determining an operating type of the core network; b) setting an operating type of the BS to the synchronous operating type or the asynchronous operating type on the basis of core network operating type information representing the determined operating type of the core network; and c) providing the terminal with the core network operating type information and information related to the core network through a predetermined channel in a form of a message. In accordance with a further aspect of the present invention, there is provided a n apparatus for interfacing between a radio network and a core network connected to the radio network in a mobile telecommunication system, wherein the radio network has a base station (BS) having a hybrid operating type being possible to be set as either a synchronous operating type or an asynchronous operating type, said apparatus comprising: determination means for determining an operating type of the core network; setting means for setting an operating type of the BS to the synchronous operating type or the asynchronous operating type on the basis of core network operating type information representing the determined operating type of the core network; and message means for providing the terminal with the core network operating type information and information related to the core network through a predetermined channel in a form of a message.
FIG. 4D is a view showing a synchronous ANSI-41 core network interface architecture of the hybrid type asynchronous radio network. In this drawing, the reference numeral 210 denotes a hybrid type asynchronous terminal, 220 denotes a hybrid type UTRAN which is a hybrid type asynchronous radio network, and 230 denotes a core network which is connected to the hybrid type UTRAN 220 and includes a synchronous ANSI-41 network. In order to be operable adaptively to the above four interface architectures, each of the hybrid type synchronous and asynchronous terminals in the next-generation mobile telecommunications system has both asynchronous CC and MM protocol entities serving for the GSM-MAP core network and synchronous CC and MM protocol entities serving for the ANSI-41 core network at the layer 3 in the protocol stack structure, which is a different from each of the conventional synchronous and asynchronous terminals.
The GSM-MAP core network 130 comprises a layer 3 131 having aNAS part and an AS part, a layer 2 135 and a layer 1 136. The NAS part includes an asynchronous CC part 132 and an asynchronous MM part 133. The AS part includes an asynchronous RRC part 134.
The layers 3 to 1 of the hybrid type synchronous radio network 110 are connected and correspond respectively to those in the hybrid type synchronous terminal 100 and those in the asynchronous core network. 130. However, the NAS parts of the hybrid type asynchronous terminal 100 and the asynchronous core network 130 are coupled to each other not through the hybrid type synchronous radio network 1 10.
Further, the BSC may detect the operating type of the connected core network by conducting the above two methods simultaneously or a simple modification of them. Thereafter, the BSC determines at step S12 whether the connected core network is a synchronous ANSI-41 core network. If the connected core network is the synchronous ANSI-41 core network, the BSC sets core network operating type information CN Type corresponding to the detected core network operating type at step S15.
Herein, the core network operating type information is used to indicate whether the core network connected to the synchronous radio network is the ANSI-41 network or the GSM-MAP network. For example, the core network operating type information is set to “1” when the core network connected to the hybrid type synchronous radio network is the ANSI-41 core network, and “0” when the connected core network is the GSM-MAP core network. Thereafter, the BSC in the hybrid type synchronous radio network sends the Sync channel message having the CN operating type information to the hybrid type synchronous terminal over a Sync channel at step S17.
Noticeably, the hybrid type RNC detects the operating type of the connected core network on the basis of information from a read only memory (ROM) or information from a dip switch which may be manually operated by an operator, upon system initialization. Alternatively, the hybrid type RNC may detect the operating type of the connected core network through the exchange of a management/maintenance message with the connected core network. Alternatively, the hybrid type RNC may detect the operating type of the connected core network by conducting the above two methods simultaneously or a simple modification of them.
In FIGS. 10C and 10D, other fields except for fields containing CN information elements are the same as those in the conventional system information message shown in FIG. 7B and a detailed description thereof will thus be omitted. The CN Type information and information related to core network are written in the CN information element fields. Because it is determined at the above step S43 that the connected core network is the synchronous ANSI-41 core network, “ANSI-41” is written in the CN Type information field and ANSI-41 information elements are written in the information related to core network field. Herein, the ANSI-41 information elements are P_REV, MIN_P_REV, SID and NID information. Thereafter, the RNC sends the system information message having the MIB to the asynchronous terminal over the BCCH at step S47 and then performs a message interfacing operation between the hybrid type asynchronous terminal and the core network at step S48.
1. A method for interfacing between a terminal and a radio network, comprising:
providing the terminal with a message comprising an information element identifying an operating type of a core network,
wherein the message further comprises core network information elements in a master information block, the core network information elements identifying a Public Land Mobile Network depending upon the value of the information element identifying the operating type of the core network.
2. A method for interfacing between a terminal and a radio network, comprising:
wherein the message further comprises core network information elements in a master information block, the values of the core network information elements depending upon the value of the information element identifying the operating type of the core network.
3. An apparatus for interfacing between a terminal and a radio network, comprising:
an extraction block for reading the core network operating type information during a time period of initialization of the radio network; and
a messaging block for periodically providing the terminal with a message comprising an information element identifying the operating type of the core network,
4. An apparatus for interfacing between a terminal and a radio network, comprising:
5. A method for interfacing between a terminal and a radio network connected to a core network, wherein the core network is an ANSI-41 AND GSM-MAP operating type, comprising:
providing the terminal with a message comprising an information element identifying the operating type of the core network,
6. An apparatus for interfacing between a terminal and a radio network connected to a core network, wherein the core network is an ANSI-41 AND GSM-MAP operating type, said apparatus comprising:
a messaging block for providing the terminal with a message comprising an information element identifying the operating type of the core network,
7. A method for interfacing between a terminal and a radio network connected to a core network, wherein the core network is a GSM-MAP operating type, comprising:
providing the terminal with a message comprising an information element identifying the operating type of the core network, wherein the message includes a system information message.
8. A method for interfacing between a terminal and a radio network connected to a core network, wherein the core network is a GSM-MAP operating type, comprising:
9. An apparatus for interfacing between a terminal and a radio network connected to a core network, wherein the core network is a GSM-MAP operating type, comprising:
10. A method for interfacing between a terminal and a radio network, comprising:
wherein the message further comprises:
‘PLMN IDENTITY’ information elements identifying a Public Land Mobile Network (PLMN) for a GSM-MAP type of PLMN, and
11. The method as recited in claim 10, wherein the message further comprises scheduling information and a Master Information Block (MIB) value tag.
12. An apparatus for interfacing between a terminal and a radio network, comprising:
‘PLMN IDENTITY’ information elements identifying a Public Land Mobile Network (PLMN) for a GSM-MAP type of PLMN,
13. The apparatus as recited in claim 12, wherein the message further comprises scheduling information and a Master Information Block (MIB) value tag.
14. An apparatus for interfacing between a terminal and a radio network, wherein the terminal has an asynchronous operating type, comprising:
a messaging block for periodically providing the terminal with a message comprising an information element identifying the operating type of the core network through a predetermined channel,
15. The apparatus as recited in claim 14, wherein the message further comprises scheduling information and a Master Information Block (MIB) value tag.
US11/966,263 1999-07-30 2007-12-28 Method and apparatus for interfacing among mobile terminal, base station and core network in mobile telecommunications system Active 2023-06-05 US8285325B2 (en)
US13/604,502 Continuation US20120329453A1 (en) 1999-07-30 2012-09-05 Method and apparatus for interfacing among mobile terminal, base station and core network in mobile telecommunications system
US20080318570A1 true US20080318570A1 (en) 2008-12-25
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