DE69937987D1 - Rahmensynchronisation in Raum-Zeit kodierter Sendeantennendiversität - Google Patents

Rahmensynchronisation in Raum-Zeit kodierter Sendeantennendiversität

Info

Publication number
DE69937987D1
DE69937987D1 DE69937987T DE69937987T DE69937987D1 DE 69937987 D1 DE69937987 D1 DE 69937987D1 DE 69937987 T DE69937987 T DE 69937987T DE 69937987 T DE69937987 T DE 69937987T DE 69937987 D1 DE69937987 D1 DE 69937987D1
Authority
DE
Germany
Prior art keywords
space
transmission antenna
frame synchronization
antenna diversity
coded transmission
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.)
Expired - Lifetime
Application number
DE69937987T
Other languages
English (en)
Other versions
DE69937987T2 (de
Inventor
Anand G Dabak
Srinath Hosur
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.)
Texas Instruments Inc
Original Assignee
Texas Instruments Inc
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 Texas Instruments Inc filed Critical Texas Instruments Inc
Application granted granted Critical
Publication of DE69937987D1 publication Critical patent/DE69937987D1/de
Publication of DE69937987T2 publication Critical patent/DE69937987T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/7077—Multi-step acquisition, e.g. multi-dwell, coarse-fine or validation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/0845—Weighted combining per branch equalization, e.g. by an FIR-filter or RAKE receiver per antenna branch
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • 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
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H04L1/0618—Space-time coding
    • H04L1/0625—Transmitter arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
DE69937987T 1998-10-07 1999-10-07 Rahmensynchronisation in Raum-Zeit kodierter Sendeantennendiversität Expired - Lifetime DE69937987T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US10338398P 1998-10-07 1998-10-07
US103383P 1998-10-07
US195942 1998-11-19
US09/195,942 US6356605B1 (en) 1998-10-07 1998-11-19 Frame synchronization in space time block coded transmit antenna diversity for WCDMA

Publications (2)

Publication Number Publication Date
DE69937987D1 true DE69937987D1 (de) 2008-03-06
DE69937987T2 DE69937987T2 (de) 2009-01-15

Family

ID=26800404

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69937987T Expired - Lifetime DE69937987T2 (de) 1998-10-07 1999-10-07 Rahmensynchronisation in Raum-Zeit kodierter Sendeantennendiversität

Country Status (5)

Country Link
US (1) US6356605B1 (de)
EP (1) EP1006676B1 (de)
JP (2) JP4729155B2 (de)
KR (1) KR100756679B1 (de)
DE (1) DE69937987T2 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6724828B1 (en) * 1999-01-19 2004-04-20 Texas Instruments Incorporated Mobile switching between STTD and non-diversity mode
US6775260B1 (en) * 1999-02-25 2004-08-10 Texas Instruments Incorporated Space time transmit diversity for TDD/WCDMA systems
EP1133071B1 (de) * 1999-02-25 2014-05-21 Texas Instruments Incorporated Raum-Zeit-Sendediversität für TDD/WCDMA Systeme
US6804264B1 (en) * 1999-03-15 2004-10-12 Lg Information & Communications, Ltd. Pilot signals for synchronization and/or channel estimation
US6721299B1 (en) * 1999-03-15 2004-04-13 Lg Information & Communications, Ltd. Pilot signals for synchronization and/or channel estimation
KR100294711B1 (ko) * 1999-03-15 2001-07-12 서평원 최적의 파일럿 심볼을 이용한 프레임 동기 방법
US7012906B1 (en) * 1999-03-15 2006-03-14 Lg Information & Communications, Ltd. Pilot signals for synchronization and/or channel estimation
US7643540B2 (en) * 1999-03-15 2010-01-05 Lg Electronics Inc. Pilot signals for synchronization and/or channel estimation
US6891815B1 (en) * 1999-03-15 2005-05-10 Young-Joon Song Pilot signals for synchronization and/or channel estimation
US7496132B2 (en) * 1999-03-15 2009-02-24 Kg Electronics Inc. Pilot signals for synchronization and/or channel estimation
US6791960B1 (en) 1999-03-15 2004-09-14 Lg Information And Communications, Ltd. Pilot signals for synchronization and/or channel estimation
US7006581B2 (en) * 2000-05-25 2006-02-28 Vigil Armando J Method for demodulating a digital signal subjected to multipath propagation impairment and an associated receiver
US7154958B2 (en) * 2000-07-05 2006-12-26 Texas Instruments Incorporated Code division multiple access wireless system with time reversed space time block transmitter diversity
US7065156B1 (en) * 2000-08-31 2006-06-20 Nokia Mobile Phones Ltd. Hopped delay diversity for multiple antenna transmission
JP4618977B2 (ja) * 2000-11-22 2011-01-26 ノーテル・ネットワークス・リミテッド 時空間トレリス符号化方法およびその装置
US7113745B2 (en) * 2001-02-21 2006-09-26 Ericsson Inc. Method to achieve diversity in a communication network
KR100698199B1 (ko) * 2001-06-05 2007-03-22 엘지전자 주식회사 전송 안테나 다이버시티 방법
US7173992B2 (en) * 2001-12-11 2007-02-06 Sasken Communication Technologies Limited Method for synchronization in wireless systems using receive diversity
CN1170374C (zh) * 2002-06-20 2004-10-06 大唐移动通信设备有限公司 一种适用于频率选择性衰落信道的空时编译码方法
CN100426707C (zh) * 2003-01-03 2008-10-15 华为技术有限公司 一种闭环发射分集系统中反馈信号的处理方法及其装置
EP1708398B1 (de) 2004-02-13 2012-10-24 Panasonic Corporation Sende vorrichtung, empfangsvorrichtung und drahtloses kommunikationsverfahren
RU2491717C2 (ru) * 2010-05-04 2013-08-27 Попик Павел Иванович Способ повышения уровня (отношения) сигнал-шум при применении "принципа затухания помехи"
GB201317525D0 (en) 2013-10-03 2013-11-20 Fujifilm Mfg Europe Bv Membranes

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5228054A (en) 1992-04-03 1993-07-13 Qualcomm Incorporated Power-of-two length pseudo-noise sequence generator with fast offset adjustment
US5481572A (en) * 1994-08-02 1996-01-02 Ericsson Inc. Method of and apparatus for reducing the complexitiy of a diversity combining and sequence estimation receiver
JP2689926B2 (ja) * 1994-12-05 1997-12-10 日本電気株式会社 ダイバーシティ受信機
JP3582924B2 (ja) * 1996-01-19 2004-10-27 松下電器産業株式会社 復調装置
JPH1051354A (ja) * 1996-05-30 1998-02-20 N T T Ido Tsushinmo Kk Ｄｓ−ｃｄｍａ伝送方法
US5767738A (en) * 1996-10-21 1998-06-16 Motorola, Inc. Apparatus and method for demodulating a modulated signal
JPH10164652A (ja) * 1996-12-03 1998-06-19 Matsushita Electric Ind Co Ltd 移動通信装置
JPH10200508A (ja) * 1997-01-14 1998-07-31 Sony Corp 無線システムの端末装置及びサーチ方法
US6226315B1 (en) * 1998-03-09 2001-05-01 Texas Instruments Incorporated Spread-spectrum telephony with accelerated code acquisition
US6166622A (en) * 1998-10-28 2000-12-26 Texas Instruments Incorporated Time slot structure for improved TPC estimation in WCDMA

Also Published As

Publication number Publication date
KR100756679B1 (ko) 2007-09-10
DE69937987T2 (de) 2009-01-15
JP2000196511A (ja) 2000-07-14
KR20000028904A (ko) 2000-05-25
JP4729155B2 (ja) 2011-07-20
EP1006676A3 (de) 2004-05-06
EP1006676B1 (de) 2008-01-16
JP2011182406A (ja) 2011-09-15
US6356605B1 (en) 2002-03-12
JP5162687B2 (ja) 2013-03-13
EP1006676A2 (de) 2000-06-07

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Legal Events

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