AU2001241825A1 - System and method for peak power reduction in spread spectrum communications systems - Google Patents

System and method for peak power reduction in spread spectrum communications systems

Info

Publication number
AU2001241825A1
AU2001241825A1 AU2001241825A AU4182501A AU2001241825A1 AU 2001241825 A1 AU2001241825 A1 AU 2001241825A1 AU 2001241825 A AU2001241825 A AU 2001241825A AU 4182501 A AU4182501 A AU 4182501A AU 2001241825 A1 AU2001241825 A1 AU 2001241825A1
Authority
AU
Australia
Prior art keywords
spread spectrum
peak power
communications systems
power reduction
spectrum communications
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.)
Abandoned
Application number
AU2001241825A
Other languages
English (en)
Inventor
Matthew J. Hunton
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.)
Powerwave Technologies Inc
Original Assignee
Powerwave Technologies 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
Priority claimed from US09/746,167 external-priority patent/US6449302B2/en
Application filed by Powerwave Technologies Inc filed Critical Powerwave Technologies Inc
Publication of AU2001241825A1 publication Critical patent/AU2001241825A1/en
Abandoned 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/10—Code generation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03343—Arrangements at the transmitter end
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/36—Modulator circuits; Transmitter circuits
    • H04L27/366—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
    • 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
    • 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
AU2001241825A 2000-04-19 2001-02-28 System and method for peak power reduction in spread spectrum communications systems Abandoned AU2001241825A1 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US19851600P 2000-04-19 2000-04-19
US60198516 2000-04-19
US21289200P 2000-06-20 2000-06-20
US60212892 2000-06-20
US09/746,167 US6449302B2 (en) 2000-04-19 2000-12-22 System and method for peak power reduction in spread spectrum communications systems
US09746167 2000-12-22
PCT/US2001/006317 WO2001082547A1 (en) 2000-04-19 2001-02-28 System and method for peak power reduction in spread spectrum communications systems

Publications (1)

Publication Number Publication Date
AU2001241825A1 true AU2001241825A1 (en) 2001-11-07

Family

ID=27393889

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001241825A Abandoned AU2001241825A1 (en) 2000-04-19 2001-02-28 System and method for peak power reduction in spread spectrum communications systems

Country Status (5)

Country Link
EP (1) EP1281262A4 (zh)
KR (1) KR100466057B1 (zh)
CN (1) CN1284345C (zh)
AU (1) AU2001241825A1 (zh)
CA (1) CA2406757C (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4287225B2 (ja) * 2003-09-18 2009-07-01 株式会社日立国際電気 送信機
JP4871813B2 (ja) * 2007-08-28 2012-02-08 株式会社日立製作所 無線通信装置、無線通信方法及びピーク抑圧方法
GB2483290B (en) * 2010-09-03 2015-07-22 Nvidia Technology Uk Ltd Transmitting a signal from a power amplifier
EP2940866B1 (en) 2014-04-30 2021-12-08 Nxp B.V. Rf switch circuit

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5418813A (en) * 1993-12-06 1995-05-23 Motorola, Inc. Method and apparatus for creating a composite waveform
US6049535A (en) * 1996-06-27 2000-04-11 Interdigital Technology Corporation Code division multiple access (CDMA) communication system
JP3311950B2 (ja) * 1996-12-19 2002-08-05 富士通株式会社 符号多重無線装置
JP3462388B2 (ja) * 1998-04-28 2003-11-05 松下電器産業株式会社 無線通信装置

Also Published As

Publication number Publication date
CN1425242A (zh) 2003-06-18
CA2406757A1 (en) 2001-11-01
CA2406757C (en) 2004-03-23
KR100466057B1 (ko) 2005-01-13
EP1281262A1 (en) 2003-02-05
CN1284345C (zh) 2006-11-08
EP1281262A4 (en) 2008-09-10
KR20020089512A (ko) 2002-11-29

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