Source: http://www.google.com/patents/US8135341?dq=7181427
Timestamp: 2014-09-02 23:43:10
Document Index: 619218346

Matched Legal Cases: ['art 214', 'art 214', 'art 214', 'art 216', 'Application No. 03819354', 'Application No. 2008', 'Application No. 11157228', 'Application No. 11157230', 'Application No. 11157231', 'Application No. 2008', 'Application No. 2004']

Patent US8135341 - Radio channel control method and receiving apparatus - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign in<nobr>Advanced Patent Search</nobr>PatentsA radio channel control method for controlling, in a radio communication system having a transmitter and a receiver, a radio channel from the transmitter toward the receiver. The method includes receiving a signal transmitted from the transmitter by the receiver, measuring reception quality of the signal,...http://www.google.com/patents/US8135341?utm_source=gb-gplus-sharePatent US8135341 - Radio channel control method and receiving apparatusAdvanced Patent SearchPublication numberUS8135341 B2Publication typeGrantApplication numberUS 12/976,325Publication dateMar 13, 2012Filing dateDec 22, 2010Priority dateFeb 20, 2003Also published asUS7881740, US7885677, US7933624, US7945280, US8073396, US8073480, US8095171, US8311569, US8331976, US8483736, US8660599, US20050130692, US20070173204, US20070173205, US20070173206, US20070184784, US20110092166, US20110111702, US20110117857, US20110136440, US20110143681, US20110165852, US20130157583Publication number12976325, 976325, US 8135341 B2, US 8135341B2, US-B2-8135341, US8135341 B2, US8135341B2InventorsHideto Furukawa, Takashi DatekiOriginal AssigneeFujitsu LimitedExport CitationBiBTeX, EndNote, RefManPatent Citations (51), Non-Patent Citations (54), Referenced by (4), Classifications (15), Legal Events (3) External Links: USPTO, USPTO Assignment, EspacenetRadio channel control method and receiving apparatusUS 8135341 B2Abstract A radio channel control method for controlling, in a radio communication system having a transmitter and a receiver, a radio channel from the transmitter toward the receiver. The method includes receiving a signal transmitted from the transmitter by the receiver, measuring reception quality of the signal, generating information which indicates increment or decrement of the reception quality, and controlling a modulation or coding for the radio channel based on the information.
The invention claimed is: 1. A radio communication system, comprising: a transmitter and a receiver, wherein the receiver includes,
CROSS-REFERENCE TO RELATED APPLICATION This application is a divisional of application Ser. No. 11/730,671, filed Apr. 3, 2007, which is a divisional of application Ser. No. 11/043,307, filed Jan. 26, 2005, which is a U.S. continuation application filed under 35 USC 111(a) claiming benefit under 35 USC 120 and 365(c) of PCT application JP03/01881, filed Feb. 20, 2003. The foregoing applications are hereby incorporated herein by reference in their entirety.
BACKGROUND ART In radio communication, in particular in a mobile communication, a radio channel set between communication apparatuses which carryout information transmission/reception is likely to fluctuate. In order to carry out information transmission using such a radio channel appropriately, transmission parameters of the radio channel is appropriately changed. The transmission parameters include, for example, a modulation method, a coding rate, a ratio of the number of true information bits with respect to the number of total transmission bits including redundancy bits such as error correction bits (referred to as a �Rate-Matching ratio�, hereinafter), or the number of spreading codes used in a CDMA (Code Division Multiple Access) communication.
For example, it is assumed that the modulation method currently applied by the base station 100 is QPSK and the coding rate is �. In this case, the transmission parameter value �2� corresponds to these transmission parameters according to FIG. 3. The transmission parameter determination part 214 increases the transmission parameter value, by 1 into �3� when the input TPC bit is �0�, and determines the transmission parameters (the modulation method is 16QAM, and the coding rate is �) corresponding to the transmission parameter value �3� as new transmission parameters. On the other hand, the transmission parameter determination part 214 decreases the transmission parameter value by 1 into �1� when the input TPC bit and determines the transmission parameters (the modulation method is QPSK, and the coding rate is �) corresponding to the transmission parameter value �1� as new transmission parameters. The transmission parameter determination part 214 outputs the tramsmiision prater value corresponding to the new transmission parameters to the transmission baseband determination part 216.
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No. 11/730,670.52Patent Appeal Decision dated Jul. 27, 2010 received in corresponding Japanese Patent Application No. 2004-568488.53Supplemental European Search Report dated Jan. 26, 2010 received in 03705365.9-1246/1542378 PCT/JP0301881.54Supplemental European Search Report received in EP01274838.02415 dated Jul. 18, 2007.Referenced byCiting PatentFiling datePublication dateApplicantTitleUS8351974 *Jan 28, 2009Jan 8, 2013Lg Electronics Inc.Method of controlling transmit power of uplink channelUS8780868 *Oct 25, 2011Jul 15, 2014Intel Mobile Communications GmbHMethod for transmitting data between a radio transmitting device and a radio receiving deviceUS20090197630 *Jan 28, 2009Aug 6, 2009Ahn Seung JinMethod of controlling transmit power of uplink channelUS20130101061 *Oct 25, 2011Apr 25, 2013Intel Mobile Communications GmbHMethod for Transmitting Data Between a Radio Transmitting Device and a Radio Receiving Device* Cited by examinerClassifications U.S. Classification455/39, 455/68, 370/310, 455/517, 455/426.1, 370/329, 370/328, 370/343, 455/522, 455/69International ClassificationH04B7/005, H04B7/00Cooperative ClassificationH04W28/0236, H04W52/24European ClassificationH04W52/24Legal EventsDateCodeEventDescriptionNov 12, 2013CCCertificate of correctionAug 28, 2012CCCertificate of correctionDec 22, 2010ASAssignmentFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:FURUKAWA, HIDETO;DATEKI, TAKASHI;REEL/FRAME:025765/0204Owner name: FUJITSU LIMITED, JAPANEffective date: 20050107RotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services©2012 Google