DE69841209D1 - Mehrkanalverbindung mit vermindertem Verhältnis von Spitzenamplitude zu Durchschnittsamplitude - Google Patents

Mehrkanalverbindung mit vermindertem Verhältnis von Spitzenamplitude zu Durchschnittsamplitude

Info

Publication number
DE69841209D1
DE69841209D1 DE69841209T DE69841209T DE69841209D1 DE 69841209 D1 DE69841209 D1 DE 69841209D1 DE 69841209 T DE69841209 T DE 69841209T DE 69841209 T DE69841209 T DE 69841209T DE 69841209 D1 DE69841209 D1 DE 69841209D1
Authority
DE
Germany
Prior art keywords
amplitude
channel connection
reduced ratio
peak
summed signal
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
DE69841209T
Other languages
English (en)
Inventor
Edward G Tiedemann
Olivier Glauser
Tao Chen
Ramin Rezaiifar
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.)
Qualcomm Inc
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of DE69841209D1 publication Critical patent/DE69841209D1/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
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • 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
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • 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
    • H04B7/2628—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA]
    • 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
    • H04B2201/70716—Quadrature
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/004—Orthogonal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2614—Peak power aspects
    • H04L27/2621—Reduction thereof using phase offsets between subcarriers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Amplifiers (AREA)
  • Measurement Of Radiation (AREA)
  • Electron Tubes For Measurement (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
DE69841209T 1997-06-17 1998-06-16 Mehrkanalverbindung mit vermindertem Verhältnis von Spitzenamplitude zu Durchschnittsamplitude Expired - Lifetime DE69841209D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US87729597A 1997-06-17 1997-06-17

Publications (1)

Publication Number Publication Date
DE69841209D1 true DE69841209D1 (de) 2009-11-12

Family

ID=25369659

Family Applications (3)

Application Number Title Priority Date Filing Date
DE69841209T Expired - Lifetime DE69841209D1 (de) 1997-06-17 1998-06-16 Mehrkanalverbindung mit vermindertem Verhältnis von Spitzenamplitude zu Durchschnittsamplitude
DE69841427T Expired - Lifetime DE69841427D1 (de) 1997-06-17 1998-06-16 Mehrkanalverbindung mit vermindertem Verhältnis von Spitzenamplitude zu Durchschnittsamplitude
DE69833198T Expired - Lifetime DE69833198T2 (de) 1997-06-17 1998-06-16 Mehrkanalverbindung mit reduzierter spitzen- zu durchschnittamplitude

Family Applications After (2)

Application Number Title Priority Date Filing Date
DE69841427T Expired - Lifetime DE69841427D1 (de) 1997-06-17 1998-06-16 Mehrkanalverbindung mit vermindertem Verhältnis von Spitzenamplitude zu Durchschnittsamplitude
DE69833198T Expired - Lifetime DE69833198T2 (de) 1997-06-17 1998-06-16 Mehrkanalverbindung mit reduzierter spitzen- zu durchschnittamplitude

Country Status (12)

Country Link
US (1) US6535478B2 (de)
EP (4) EP2187532B1 (de)
JP (2) JP4874449B2 (de)
KR (1) KR100565933B1 (de)
CN (2) CN1260917A (de)
AT (4) ATE453965T1 (de)
AU (1) AU7969598A (de)
DE (3) DE69841209D1 (de)
DK (1) DK0990313T3 (de)
ES (4) ES2331149T3 (de)
HK (3) HK1028303A1 (de)
WO (1) WO1998058457A2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100354337B1 (ko) * 1999-12-04 2002-09-28 한국과학기술원 대역 확산 통신 방식에서의 확산 변조 방식을 이용한송수신방식 및 송수신장치
EP1302045A2 (de) 2000-07-21 2003-04-16 PMC-Sierra Ltd. Verringerung des verhältnisses von spitzenleistung zu mittleren leistung
US8861638B2 (en) * 2011-09-26 2014-10-14 Cambridge Silicon Radio Limited Transmitter with reduced peak-to-mean amplitude ratio
WO2013175464A1 (en) * 2012-05-20 2013-11-28 Yahalomi Erez Moshe High data rate transmission

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4462001A (en) * 1982-02-22 1984-07-24 Canadian Patents & Development Limited Baseband linearizer for wideband, high power, nonlinear amplifiers
US5103459B1 (en) 1990-06-25 1999-07-06 Qualcomm Inc System and method for generating signal waveforms in a cdma cellular telephone system
US5204876A (en) * 1991-03-13 1993-04-20 Motorola, Inc. Method and apparatus for providing high data rate traffic channels in a spread spectrum communication system
TW214620B (en) * 1992-04-13 1993-10-11 Ericsson Ge Mobile Communicat Calling channel in CDMA communications system
US5302914A (en) * 1992-10-20 1994-04-12 At&T Bell Laboratories Method and apparatus for reducing the peak-to-average power in multi-carrier RF communication systems
US5668795A (en) * 1992-11-24 1997-09-16 Stanford Telecommunications, Inc. Modulation system for spread spectrum CDMA communiction
US5448555A (en) 1993-06-14 1995-09-05 At&T Corp. Simultaneous analog and digital communication
CA2148366C (en) * 1993-09-03 1999-06-15 Mamoru Sawahashi Code division multiple access transmitter and receiver
JP3003839B2 (ja) * 1993-11-08 2000-01-31 エヌ・ティ・ティ移動通信網株式会社 Ｃｄｍａ通信方法および装置
US5383219A (en) * 1993-11-22 1995-01-17 Qualcomm Incorporated Fast forward link power control in a code division multiple access system
US5442625A (en) 1994-05-13 1995-08-15 At&T Ipm Corp Code division multiple access system providing variable data rate access to a user
US5838732A (en) * 1994-10-31 1998-11-17 Airnet Communications Corp. Reducing peak-to-average variance of a composite transmitted signal generated by a digital combiner via carrier phase offset
US5559788A (en) * 1994-12-29 1996-09-24 Unisys Corporation Multiple channel quadrature communication system and method
JP3444001B2 (ja) * 1995-02-10 2003-09-08 ソニー株式会社 符号検出回路
US5623485A (en) * 1995-02-21 1997-04-22 Lucent Technologies Inc. Dual mode code division multiple access communication system and method
US5793797A (en) * 1995-05-09 1998-08-11 Unisys Corporation Data transmisson system with a low peak-to-average power ratio based on distorting small amplitude signals
JP3161943B2 (ja) * 1995-07-07 2001-04-25 シャープ株式会社 データ復調方法およびスペクトル拡散通信システム
JPH0955714A (ja) * 1995-08-11 1997-02-25 Sharp Corp スペクトル拡散通信システム
JPH09139639A (ja) 1995-11-13 1997-05-27 Mitsubishi Electric Corp 高周波半導体増幅器
JP2780688B2 (ja) * 1995-11-15 1998-07-30 日本電気株式会社 位相変調多重化送信装置
US5930230A (en) 1996-05-28 1999-07-27 Qualcomm Incorporated High data rate CDMA wireless communication system
US5805567A (en) * 1996-09-13 1998-09-08 Lucent Technologies Inc. Orthogonal modulation scheme
JP3311951B2 (ja) * 1996-12-20 2002-08-05 富士通株式会社 符号多重送信装置
JP3202637B2 (ja) * 1997-02-14 2001-08-27 シャープ株式会社 スペクトル直接拡散通信システムにおける相関同期回路
JPH10233753A (ja) * 1997-02-19 1998-09-02 Canon Inc スペクトラム拡散通信方法及び装置
US6044103A (en) 1997-06-17 2000-03-28 Qualcomm Inc. Reduced peak-to-average amplitude dual channel link

Also Published As

Publication number Publication date
EP1612959A2 (de) 2006-01-04
EP0990313B1 (de) 2006-01-11
WO1998058457A3 (en) 1999-06-10
EP1708377A3 (de) 2006-10-11
EP1612959B1 (de) 2009-12-30
EP2187532A1 (de) 2010-05-19
US20010038605A1 (en) 2001-11-08
JP4874449B2 (ja) 2012-02-15
ES2374696T3 (es) 2012-02-21
HK1086957A1 (en) 2006-09-29
KR100565933B1 (ko) 2006-03-30
ES2337366T3 (es) 2010-04-23
ATE453965T1 (de) 2010-01-15
HK1028303A1 (en) 2001-02-09
HK1099139A1 (en) 2007-08-03
DE69833198T2 (de) 2006-09-21
ATE315849T1 (de) 2006-02-15
EP0990313A2 (de) 2000-04-05
DE69833198D1 (de) 2006-04-06
DE69841427D1 (de) 2010-02-11
WO1998058457A2 (en) 1998-12-23
EP1708377B1 (de) 2009-09-30
JP2002504292A (ja) 2002-02-05
JP4589441B2 (ja) 2010-12-01
EP1708377A2 (de) 2006-10-04
ATE444602T1 (de) 2009-10-15
CN1983838A (zh) 2007-06-20
US6535478B2 (en) 2003-03-18
AU7969598A (en) 1999-01-04
CN1983838B (zh) 2012-06-20
CN1260917A (zh) 2000-07-19
EP2187532B1 (de) 2011-11-16
ES2331149T3 (es) 2009-12-22
KR20010012534A (ko) 2001-02-15
DK0990313T3 (da) 2006-05-29
ES2259455T3 (es) 2006-10-01
JP2009153182A (ja) 2009-07-09
EP1612959A3 (de) 2006-09-06
ATE534195T1 (de) 2011-12-15

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Legal Events

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