SG65089A1 - Digital radio communication station - Google Patents

Digital radio communication station

Info

Publication number
SG65089A1
SG65089A1 SG1998002912A SG1998002912A SG65089A1 SG 65089 A1 SG65089 A1 SG 65089A1 SG 1998002912 A SG1998002912 A SG 1998002912A SG 1998002912 A SG1998002912 A SG 1998002912A SG 65089 A1 SG65089 A1 SG 65089A1
Authority
SG
Singapore
Prior art keywords
redundancy encoder
radio signal
speech signals
station
radio communication
Prior art date
Application number
SG1998002912A
Other languages
English (en)
Inventor
Gerard Marque-Pucheu
Original Assignee
Matra Nortel Communications
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 Matra Nortel Communications filed Critical Matra Nortel Communications
Publication of SG65089A1 publication Critical patent/SG65089A1/en

Links

Classifications

    • 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
    • H04L1/007—Unequal error protection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2643—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA]
    • 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
    • H04L1/0023—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
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0054—Maximum-likelihood or sequential decoding, e.g. Viterbi, Fano, ZJ algorithms
    • 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
    • H04L1/0059—Convolutional codes
    • 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
    • H04L1/0064—Concatenated codes
    • H04L1/0065—Serial concatenated codes
    • 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
    • H04L1/0075—Transmission of coding parameters to receiver
SG1998002912A 1997-08-08 1998-08-06 Digital radio communication station SG65089A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9710214A FR2767245B1 (fr) 1997-08-08 1997-08-08 Station de radiocommunication numerique

Publications (1)

Publication Number Publication Date
SG65089A1 true SG65089A1 (en) 1999-05-25

Family

ID=9510189

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1998002912A SG65089A1 (en) 1997-08-08 1998-08-06 Digital radio communication station

Country Status (7)

Country Link
US (1) US6442209B1 (de)
EP (1) EP0896443B1 (de)
AT (1) ATE271730T1 (de)
CA (1) CA2244562A1 (de)
DE (1) DE69825105T2 (de)
FR (1) FR2767245B1 (de)
SG (1) SG65089A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6563863B1 (en) 1998-06-22 2003-05-13 Ati International Srl Computer modem
FR2793978B1 (fr) 1999-05-19 2001-08-03 Matra Nortel Communications Procede de diffusion de signaux radio depuis une station de base de radiocommunication, stations de base et terminaux mobiles pour la mise en oeuvre d'un tel procede
FR2793988B1 (fr) 1999-05-19 2003-01-31 Matra Nortel Communications Procede de radiocommunication entre une station de base et des terminaux mobiles, stations de base et terminaux mobiles pour la mise en oeuvre d'un tel procede
US6577639B1 (en) 1999-06-01 2003-06-10 Ati International Srl Reducing modem transmit latency
US7730296B2 (en) 2003-02-12 2010-06-01 Broadcom Corporation Method and system for providing synchronous running encoding and encryption
US20060209780A1 (en) * 2005-01-21 2006-09-21 Nokia Corporation Data transfer in TDMA system
EP2536053B1 (de) * 2011-06-14 2014-08-13 Telefonaktiebolaget L M Ericsson (publ) Vorrichtung und Verfahren zur Voraussetzungen gebundenen Steuerung von Störungen

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU5589086A (en) * 1986-03-25 1987-10-20 Motorola, Inc. Method and apparatus for controlling a tdm communication device
US5263079A (en) * 1990-11-30 1993-11-16 Kabushiki Kaisha Toshiba Dual mode cellular radio communication apparatus having an echo canceller employed in both analog and digital modes
JP2846118B2 (ja) 1991-05-13 1999-01-13 オムニポイント・コーポレイション デュアルモード送信機及び受信機
US6101177A (en) * 1992-03-30 2000-08-08 Telefonaktiebolaget Lm Ericsson Cell extension in a cellular telephone system
CA2115445A1 (en) * 1992-06-22 1994-01-06 Masami Abe Device for and method of continuing bit errors and device for and method of identifying signals
JP3212169B2 (ja) * 1993-01-06 2001-09-25 株式会社東芝 無線通信システム及び基地局
US5491719A (en) * 1993-07-02 1996-02-13 Telefonaktiebolaget Lm Ericsson System for handling data errors on a cellular communications system PCM link
JP2812192B2 (ja) * 1994-03-08 1998-10-22 日本電気株式会社 無線チャンネル選択方法および無線チャンネル選択システム
US5490168A (en) * 1994-07-08 1996-02-06 Motorola, Inc. Method and system for automatic optimization of data throughput using variable packet length and code parameters
EP0734185A2 (de) * 1995-03-23 1996-09-25 Hughes Electronics Zweitonmehrfrequenzübertragung in einem Sprachkommunikationssystem
US5883899A (en) * 1995-05-01 1999-03-16 Telefonaktiebolaget Lm Ericsson Code-rate increased compressed mode DS-CDMA systems and methods
GB9514956D0 (en) 1995-07-21 1995-09-20 British Telecomm Transmission of digital signals
ES2276408T3 (es) 1995-09-22 2007-06-16 Pacific Communication Sciences, Inc. Sistema de comunicacion celular y procedimiento con multiples tasas de codificacion.
US5953376A (en) * 1996-09-26 1999-09-14 Lucent Technologies Inc. Probabilistic trellis coded modulation with PCM-derived constellations

Also Published As

Publication number Publication date
CA2244562A1 (en) 1999-02-08
FR2767245A1 (fr) 1999-02-12
EP0896443A1 (de) 1999-02-10
EP0896443B1 (de) 2004-07-21
US6442209B1 (en) 2002-08-27
ATE271730T1 (de) 2004-08-15
FR2767245B1 (fr) 1999-10-15
DE69825105T2 (de) 2005-09-01
DE69825105D1 (de) 2004-08-26

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