SE9900297D0 - A method and an apparatus for clipping signals in a CDMA system - Google Patents

A method and an apparatus for clipping signals in a CDMA system

Info

Publication number
SE9900297D0
SE9900297D0 SE9900297A SE9900297A SE9900297D0 SE 9900297 D0 SE9900297 D0 SE 9900297D0 SE 9900297 A SE9900297 A SE 9900297A SE 9900297 A SE9900297 A SE 9900297A SE 9900297 D0 SE9900297 D0 SE 9900297D0
Authority
SE
Sweden
Prior art keywords
clipping
carriers
carrier
circuit
cdma
Prior art date
Application number
SE9900297A
Other languages
English (en)
Other versions
SE9900297L (sv
SE513863C2 (sv
Inventor
Peter Lundh
Goeran Skoog
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE9900297A priority Critical patent/SE513863C2/sv
Publication of SE9900297D0 publication Critical patent/SE9900297D0/sv
Priority to TW089100878A priority patent/TW463480B/zh
Priority to US09/489,673 priority patent/US6765899B1/en
Priority to KR1020017009489A priority patent/KR20010105335A/ko
Priority to CNB00803267XA priority patent/CN1183705C/zh
Priority to DE60038437T priority patent/DE60038437T2/de
Priority to AU27046/00A priority patent/AU2704600A/en
Priority to PCT/SE2000/000146 priority patent/WO2000045538A1/en
Priority to AT00905510T priority patent/ATE390770T1/de
Priority to JP2000596685A priority patent/JP4475821B2/ja
Priority to CA002361036A priority patent/CA2361036A1/en
Priority to EP00905510A priority patent/EP1147633B1/en
Priority to ARP000100397A priority patent/AR022696A1/es
Publication of SE9900297L publication Critical patent/SE9900297L/sv
Publication of SE513863C2 publication Critical patent/SE513863C2/sv

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
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/023—Multiplexing of multicarrier modulation signals
    • H04L5/026—Multiplexing of multicarrier modulation signals using code division
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Transmitters (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Amplifiers (AREA)
SE9900297A 1999-01-29 1999-01-29 Förfarande och anordning för klippning i ett CDMA-system SE513863C2 (sv)

Priority Applications (13)

Application Number Priority Date Filing Date Title
SE9900297A SE513863C2 (sv) 1999-01-29 1999-01-29 Förfarande och anordning för klippning i ett CDMA-system
TW089100878A TW463480B (en) 1999-01-29 2000-01-20 A method and an apparatus for clipping signals in a CDMA system
US09/489,673 US6765899B1 (en) 1999-01-29 2000-01-24 Method and an apparatus for clipping signals in a CDMA system
EP00905510A EP1147633B1 (en) 1999-01-29 2000-01-25 A method and an apparatus for clipping signals in a CDMA system
AU27046/00A AU2704600A (en) 1999-01-29 2000-01-25 A method and an apparatus for clipping signals in a cdma system
CNB00803267XA CN1183705C (zh) 1999-01-29 2000-01-25 一种用于在码分多址系统中限幅信号的方法和装置
DE60038437T DE60038437T2 (de) 1999-01-29 2000-01-25 Verfahren und Vorrichtung zur Signalbegrenzung in einem CDMA System
KR1020017009489A KR20010105335A (ko) 1999-01-29 2000-01-25 코드 분할 다중 액세스 시스템에서 신호를 클리핑하는방법 및 장치
PCT/SE2000/000146 WO2000045538A1 (en) 1999-01-29 2000-01-25 A method and an apparatus for clipping signals in a cdma system
AT00905510T ATE390770T1 (de) 1999-01-29 2000-01-25 Verfahren und vorrichtung zur signalbegrenzung in einem cdma system
JP2000596685A JP4475821B2 (ja) 1999-01-29 2000-01-25 Ｃｄｍａシステムにおける信号クリッピングのための方法及び装置
CA002361036A CA2361036A1 (en) 1999-01-29 2000-01-25 A method and an apparatus for clipping signals in a cdma system
ARP000100397A AR022696A1 (es) 1999-01-29 2000-01-28 Un metodo y un equipo para la limitacion de senales en un sistema cdma

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9900297A SE513863C2 (sv) 1999-01-29 1999-01-29 Förfarande och anordning för klippning i ett CDMA-system

Publications (3)

Publication Number Publication Date
SE9900297D0 true SE9900297D0 (sv) 1999-01-29
SE9900297L SE9900297L (sv) 2000-07-30
SE513863C2 SE513863C2 (sv) 2000-11-20

Family

ID=20414287

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9900297A SE513863C2 (sv) 1999-01-29 1999-01-29 Förfarande och anordning för klippning i ett CDMA-system

Country Status (13)

Country Link
US (1) US6765899B1 (sv)
EP (1) EP1147633B1 (sv)
JP (1) JP4475821B2 (sv)
KR (1) KR20010105335A (sv)
CN (1) CN1183705C (sv)
AR (1) AR022696A1 (sv)
AT (1) ATE390770T1 (sv)
AU (1) AU2704600A (sv)
CA (1) CA2361036A1 (sv)
DE (1) DE60038437T2 (sv)
SE (1) SE513863C2 (sv)
TW (1) TW463480B (sv)
WO (1) WO2000045538A1 (sv)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1302045A2 (en) * 2000-07-21 2003-04-16 PMC-Sierra Ltd. Reduction of peak to average power ratio
JP3483838B2 (ja) * 2000-08-31 2004-01-06 松下電器産業株式会社 マルチキャリア伝送装置
FI20011238A0 (sv) * 2001-06-12 2001-06-12 Nokia Corp Förfarande för begränsning av signal och sändare
US7158765B2 (en) * 2001-07-31 2007-01-02 Agere Systems, Inc. Method and apparatus for controlling power of a transmitted signal
DE10151173B4 (de) * 2001-10-17 2012-07-12 Rohde & Schwarz Gmbh & Co. Kg Verfahren zum Messen des Modulationsfehlers von digital modulierten Hochfrequenzsignalen
FR2832275B1 (fr) * 2001-11-12 2004-11-19 Evolium Sas Procede d'ecretage de signaux a plusieurs porteuses transmis par un meme amplificateur non-lineaire
JP2003174370A (ja) * 2001-12-05 2003-06-20 Nec Corp 非線形補償回路と基地局装置および送信電力クリップ方法
EP1659703A1 (en) * 2004-11-17 2006-05-24 Alcatel Method and means for decreasing the peak to average power ratio in mobile phones
US9215120B2 (en) * 2011-12-21 2015-12-15 Telefonaktiebolaget L M Ericsson (Publ) Multi-band crest factor reduction
US9331882B2 (en) * 2013-06-05 2016-05-03 Telefonaktiebolaget L M Ericsson (Publ) Crest factor reduction of carrier aggregated signals
CN103472810B (zh) * 2013-09-29 2016-02-10 贵州电力试验研究院 一种多执行回路控制系统的限幅方法
US10454735B2 (en) * 2015-10-15 2019-10-22 Telefonaktiebolaget Lm Ericsson (Publ) Method and peak reduction unit for limiting a peak or group of peaks of an aggregated baseband carrier signal in a radio transmitter

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5742595A (en) * 1995-06-02 1998-04-21 Dsc Communications Corporation Processing CDMA signals
US5621762A (en) 1995-06-12 1997-04-15 Motorola, Inc. Radio with peak power and bandwidth efficient modulation
US5535191A (en) * 1995-06-28 1996-07-09 Seiko Communications Systems, Inc. Method and apparatus for switching between redundant hardware in a wireless data communication system
GB2313525B (en) 1996-05-24 2000-06-07 Motorola Ltd Filter for multicarrier communication system and method for peak power control therein
US5926500A (en) * 1996-05-28 1999-07-20 Qualcomm Incorporated Reduced peak-to-average transmit power high data rate CDMA wireless communication system
US6266320B1 (en) * 1998-04-08 2001-07-24 Telefonaktiebolaget Lm Ericsson (Publ) Amplitude limitation in CDMA system
US6236864B1 (en) * 1998-11-27 2001-05-22 Nortel Networks Limited CDMA transmit peak power reduction

Also Published As

Publication number Publication date
DE60038437D1 (de) 2008-05-08
SE9900297L (sv) 2000-07-30
CN1339204A (zh) 2002-03-06
JP2002536872A (ja) 2002-10-29
AR022696A1 (es) 2002-09-04
DE60038437T2 (de) 2009-04-23
EP1147633B1 (en) 2008-03-26
EP1147633A1 (en) 2001-10-24
ATE390770T1 (de) 2008-04-15
TW463480B (en) 2001-11-11
US6765899B1 (en) 2004-07-20
AU2704600A (en) 2000-08-18
JP4475821B2 (ja) 2010-06-09
CN1183705C (zh) 2005-01-05
KR20010105335A (ko) 2001-11-28
SE513863C2 (sv) 2000-11-20
WO2000045538A1 (en) 2000-08-03
CA2361036A1 (en) 2000-08-03

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