CN1141799C - 增加码分多址系统容量的时间偏置技术 - Google Patents

增加码分多址系统容量的时间偏置技术 Download PDF

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Publication number
CN1141799C
CN1141799C CNB998112682A CN99811268A CN1141799C CN 1141799 C CN1141799 C CN 1141799C CN B998112682 A CNB998112682 A CN B998112682A CN 99811268 A CN99811268 A CN 99811268A CN 1141799 C CN1141799 C CN 1141799C
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CN
China
Prior art keywords
transmit power
regions
time
signal
limiting peak
Prior art date
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Expired - Fee Related
Application number
CNB998112682A
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English (en)
Chinese (zh)
Other versions
CN1319279A (zh
Inventor
S��A���׵±�
S·A·伦德比
���ٵ���
小E·G·蒂德曼
J·M·霍尔茨曼
D·特拉撒瓦
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Qualcomm Inc
Original Assignee
Qualcomm Inc
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Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of CN1319279A publication Critical patent/CN1319279A/zh
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Publication of CN1141799C publication Critical patent/CN1141799C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • 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
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70701—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70706—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation with means for reducing the peak-to-average power ratio
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70707—Efficiency-related aspects
    • H04B2201/70709—Efficiency-related aspects with discontinuous detection

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Near-Field Transmission Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Transmitters (AREA)
CNB998112682A 1998-08-19 1999-08-17 增加码分多址系统容量的时间偏置技术 Expired - Fee Related CN1141799C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/136,699 US6393010B1 (en) 1998-08-19 1998-08-19 Time offset technique for increasing the capacity of a CDMA system
US09/136,699 1998-08-19

Publications (2)

Publication Number Publication Date
CN1319279A CN1319279A (zh) 2001-10-24
CN1141799C true CN1141799C (zh) 2004-03-10

Family

ID=22473973

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB998112682A Expired - Fee Related CN1141799C (zh) 1998-08-19 1999-08-17 增加码分多址系统容量的时间偏置技术

Country Status (18)

Country Link
US (2) US6393010B1 (https=)
EP (2) EP1808966A1 (https=)
JP (2) JP4354649B2 (https=)
KR (1) KR100737220B1 (https=)
CN (1) CN1141799C (https=)
AR (1) AR025801A1 (https=)
AT (1) ATE379881T1 (https=)
AU (1) AU767202B2 (https=)
BR (1) BR9913061A (https=)
CA (1) CA2340942A1 (https=)
DE (1) DE69937643T2 (https=)
ES (1) ES2296402T3 (https=)
ID (1) ID29492A (https=)
IL (2) IL141509A0 (https=)
NO (1) NO325815B1 (https=)
RU (1) RU2001107124A (https=)
TW (1) TW480838B (https=)
WO (1) WO2000011802A1 (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1065800A1 (en) * 1999-07-02 2001-01-03 Lucent Technologies Inc. Code division multiple access system having improved pilot channels
JP4704222B2 (ja) * 2006-01-27 2011-06-15 富士通株式会社 無線通信システム
US20100177807A1 (en) * 2009-01-09 2010-07-15 Samsung Electronics Co., Ltd. Method and apparatus for relaying wireless traffic in a wireless network
JP5212453B2 (ja) * 2010-12-03 2013-06-19 富士通株式会社 無線通信システム
WO2013094106A1 (ja) * 2011-12-19 2013-06-27 日本電気株式会社 送信装置および無線信号送信方法
US10149255B2 (en) * 2015-05-01 2018-12-04 Qualcomm Incorporated Low latency uplink power control

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4455761A (en) * 1981-11-12 1984-06-26 Terhune Robert D Pneumatic polymer eductor conveyor dryer
CA2145566C (en) * 1994-04-29 1999-12-28 Nambirajan Seshadri Methods of and devices for enhancing communications that use spread spectrum technology
US5659580A (en) * 1994-11-29 1997-08-19 Lucent Technologies Inc. Data interleaver for use with mobile communication systems and having a contiguous counter and an address twister
JP2934185B2 (ja) 1996-03-15 1999-08-16 松下電器産業株式会社 Ｃｄｍａセルラ無線基地局装置および移動局装置および送信方法
AU4730397A (en) 1996-10-18 1998-05-15 Telefonaktiebolaget Lm Ericsson (Publ) Transmission timing offset method for ds-cdma mobile telephone systems
JPH10190626A (ja) 1996-12-27 1998-07-21 Matsushita Electric Ind Co Ltd Ｃｄｍａ受信装置
US5930248A (en) * 1997-03-04 1999-07-27 Telefonaktiebolaget Lm Ericsson Radio communication system selectively using multicast with variable offset time
US5974315A (en) * 1997-09-03 1999-10-26 Lockheed Martin Corporation Spacecraft cellular communication system
US6317435B1 (en) * 1999-03-08 2001-11-13 Qualcomm Incorporated Method and apparatus for maximizing the use of available capacity in a communication system
EP1039662A1 (en) * 1999-03-25 2000-09-27 Alcatel Improvements to a telecommunication system using code division multiple access (CDMA)

Also Published As

Publication number Publication date
DE69937643T2 (de) 2008-10-30
EP1808966A1 (en) 2007-07-18
DE69937643D1 (de) 2008-01-10
US6965589B2 (en) 2005-11-15
JP4354649B2 (ja) 2009-10-28
ATE379881T1 (de) 2007-12-15
ES2296402T3 (es) 2008-04-16
RU2001107124A (ru) 2003-03-10
KR100737220B1 (ko) 2007-07-09
WO2000011802A1 (en) 2000-03-02
TW480838B (en) 2002-03-21
IL141509A (en) 2006-06-11
CN1319279A (zh) 2001-10-24
CA2340942A1 (en) 2000-03-02
AU5491999A (en) 2000-03-14
US20020101833A1 (en) 2002-08-01
BR9913061A (pt) 2002-01-15
NO20010828L (no) 2001-03-29
AR025801A1 (es) 2002-12-18
ID29492A (id) 2001-08-30
NO325815B1 (no) 2008-07-21
EP1105976B1 (en) 2007-11-28
KR20010072789A (ko) 2001-07-31
AU767202B2 (en) 2003-11-06
JP2002523963A (ja) 2002-07-30
JP2009022015A (ja) 2009-01-29
NO20010828D0 (no) 2001-02-19
EP1105976A1 (en) 2001-06-13
US6393010B1 (en) 2002-05-21
HK1038451A1 (en) 2002-03-15
IL141509A0 (en) 2002-03-10

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