JP2002509387A - ディジタル無線電話システムのための拡大された距離範囲／適切な低品質化 - Google Patents

ディジタル無線電話システムのための拡大された距離範囲／適切な低品質化

Info

Publication number
JP2002509387A
JP2002509387A JP2000539606A JP2000539606A JP2002509387A JP 2002509387 A JP2002509387 A JP 2002509387A JP 2000539606 A JP2000539606 A JP 2000539606A JP 2000539606 A JP2000539606 A JP 2000539606A JP 2002509387 A JP2002509387 A JP 2002509387A
Authority
JP
Japan
Prior art keywords
packet
handset
audio
bits
transceiver
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2000539606A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002509387A5 (https=
Inventor
ラマズワミー，クマー
シドニー スチユワート，ジヨン
ゴザード ナツトソン，ポール
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thomson Licensing SAS
Original Assignee
Thomson Licensing SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thomson Licensing SAS filed Critical Thomson Licensing SAS
Publication of JP2002509387A publication Critical patent/JP2002509387A/ja
Publication of JP2002509387A5 publication Critical patent/JP2002509387A5/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/005—Control of transmission; Equalising
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
    • H04L1/0083—Formatting with frames or packets; Protocol or part of protocol for error control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0014—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the source coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
    • H04L1/0079—Formats for control data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0025—Transmission of mode-switching indication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0071—Use of interleaving

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Mobile Radio Communication Systems (AREA)
JP2000539606A 1997-12-12 1998-09-01 ディジタル無線電話システムのための拡大された距離範囲／適切な低品質化 Pending JP2002509387A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US6955497P 1997-12-12 1997-12-12
US60/069,554 1997-12-12
PCT/US1998/018105 WO1999031838A1 (en) 1997-12-12 1998-09-01 Enhanced range/graceful degradation for digital wireless telephone system

Publications (2)

Publication Number Publication Date
JP2002509387A true JP2002509387A (ja) 2002-03-26
JP2002509387A5 JP2002509387A5 (https=) 2006-01-05

Family

ID=22089768

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000539606A Pending JP2002509387A (ja) 1997-12-12 1998-09-01 ディジタル無線電話システムのための拡大された距離範囲／適切な低品質化

Country Status (8)

Country Link
US (1) US6574769B1 (https=)
EP (1) EP1040612B1 (https=)
JP (1) JP2002509387A (https=)
KR (1) KR100557817B1 (https=)
CN (1) CN1227853C (https=)
AU (1) AU9041998A (https=)
DE (1) DE69804502T2 (https=)
WO (1) WO1999031838A1 (https=)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006345251A (ja) * 2005-06-09 2006-12-21 Kyocera Corp 無線通信端末及び通信方法
JP2009105949A (ja) * 2009-01-23 2009-05-14 Panasonic Corp ＱｏＳ制御を実行することが可能な端末
WO2010073709A1 (ja) 2008-12-25 2010-07-01 パナソニック株式会社 無線通信装置及び無線通信システム
US9270419B2 (en) 2012-09-28 2016-02-23 Panasonic Intellectual Property Management Co., Ltd. Wireless communication device and communication terminal

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* Cited by examiner, † Cited by third party
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JP2002006890A (ja) * 2000-06-23 2002-01-11 Uniden Corp 音声信号品質改善装置
EP1330914A2 (en) * 2000-10-06 2003-07-30 Motorola, Inc. Method and system for rate adaptation in a packet voice system
US7103096B2 (en) * 2000-10-12 2006-09-05 3Com Corporation Performance evaluation of multicarrier channels with forward error correction and automatic retransmission request
US7110467B2 (en) * 2000-10-12 2006-09-19 3Com Corporation Performance evaluation of a G.dmt-compliant digital subscriber line system
US6718493B1 (en) 2001-05-17 2004-04-06 3Com Corporation Method and apparatus for selection of ARQ parameters and estimation of improved communications
US6745364B2 (en) * 2001-06-28 2004-06-01 Microsoft Corporation Negotiated/dynamic error correction for streamed media
KR100426535B1 (ko) 2001-12-11 2004-04-08 삼성전자주식회사 무선통신기기 및 그 무선통신방법
US6915477B2 (en) * 2001-12-28 2005-07-05 Lucent Technologies Inc. Delay sensitive adaptive quality control loop for rate adaptation
WO2005013542A1 (ja) 2003-08-05 2005-02-10 Fujitsu Limited 再生中継方法及びその装置
US20050136956A1 (en) * 2003-12-23 2005-06-23 Hiroki Ohno Radio relay device
US20050201296A1 (en) * 2004-03-15 2005-09-15 Telefonaktiebolaget Lm Ericsson (Pu Reduced channel quality feedback
US7554989B2 (en) 2005-01-18 2009-06-30 Creative Technology Ltd. Real time optimization over a shared communication channel
US7237446B2 (en) * 2005-09-16 2007-07-03 Raymond Chan System and method for measuring gait kinematics information
KR100893863B1 (ko) * 2006-09-05 2009-04-20 엘지전자 주식회사 무선 통신 시스템에서의 링크 적응적 데이터 전송 방법
US20100138724A1 (en) * 2008-12-01 2010-06-03 Dsp Group Ltd. Adaptive error protection for wireless communications
FR2943195B1 (fr) * 2009-03-16 2011-12-30 Canon Kk Procede de transmission de donnees avec mecanismes de retransmission et synchronisation en cas de perte, dispositif emetteur, produit programme d'ordinateur et moyen de stockage correspondants
EP3642839B1 (en) * 2017-06-19 2022-04-13 Rtx A/S Audio signal encoding and decoding

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04276922A (ja) * 1991-03-04 1992-10-02 Mitsubishi Electric Corp 無線通信機
US5745532A (en) * 1992-03-12 1998-04-28 Ntp Incorporated System for wireless transmission and receiving of information and method of operation thereof
US5751773A (en) * 1992-03-12 1998-05-12 Ntp Incorporated System for wireless serial transmission of encoded information
US6418131B1 (en) * 1994-06-17 2002-07-09 Lake Communications Limited Spectrum monitoring for PSTN subscribers
US5761223A (en) 1994-07-21 1998-06-02 Matsushita Electric Industrial Co., Ltd. Error correcting device
US5732335A (en) * 1995-04-28 1998-03-24 Telefonaktiebolaget Lm Ericsson Externally controlled output power by means of antenna keying
US5926500A (en) * 1996-05-28 1999-07-20 Qualcomm Incorporated Reduced peak-to-average transmit power high data rate CDMA wireless communication system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006345251A (ja) * 2005-06-09 2006-12-21 Kyocera Corp 無線通信端末及び通信方法
WO2010073709A1 (ja) 2008-12-25 2010-07-01 パナソニック株式会社 無線通信装置及び無線通信システム
US8457185B2 (en) 2008-12-25 2013-06-04 Panasonic Corporation Wireless communication device and wireless communication system
JP2009105949A (ja) * 2009-01-23 2009-05-14 Panasonic Corp ＱｏＳ制御を実行することが可能な端末
US9270419B2 (en) 2012-09-28 2016-02-23 Panasonic Intellectual Property Management Co., Ltd. Wireless communication device and communication terminal

Also Published As

Publication number Publication date
CN1227853C (zh) 2005-11-16
KR20010032959A (ko) 2001-04-25
CN1285101A (zh) 2001-02-21
DE69804502D1 (de) 2002-05-02
EP1040612A1 (en) 2000-10-04
KR100557817B1 (ko) 2006-03-10
AU9041998A (en) 1999-07-05
EP1040612B1 (en) 2002-03-27
US6574769B1 (en) 2003-06-03
WO1999031838A1 (en) 1999-06-24
DE69804502T2 (de) 2002-08-22

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