CN1284345C - 在扩频通信系统中降低峰值功率的系统和方法 - Google Patents

在扩频通信系统中降低峰值功率的系统和方法 Download PDF

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Publication number
CN1284345C
CN1284345C CNB018082831A CN01808283A CN1284345C CN 1284345 C CN1284345 C CN 1284345C CN B018082831 A CNB018082831 A CN B018082831A CN 01808283 A CN01808283 A CN 01808283A CN 1284345 C CN1284345 C CN 1284345C
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CN
China
Prior art keywords
peak value
symbol
filter
value
peak
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 - Fee Related
Application number
CNB018082831A
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English (en)
Chinese (zh)
Other versions
CN1425242A (zh
Inventor
M·J·亨顿
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.)
Intel Corp
Powerwave Technologies Inc
P Wave Holdings LLC
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 CN1425242A publication Critical patent/CN1425242A/zh
Application granted granted Critical
Publication of CN1284345C publication Critical patent/CN1284345C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • 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
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transmitters (AREA)
CNB018082831A 2000-04-19 2001-02-28 在扩频通信系统中降低峰值功率的系统和方法 Expired - Fee Related CN1284345C (zh)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US19851600P 2000-04-19 2000-04-19
US60/198,516 2000-04-19
US21289200P 2000-06-20 2000-06-20
US60/212,892 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
US09/746,167 2000-12-22

Publications (2)

Publication Number Publication Date
CN1425242A CN1425242A (zh) 2003-06-18
CN1284345C true CN1284345C (zh) 2006-11-08

Family

ID=27393889

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB018082831A Expired - Fee Related CN1284345C (zh) 2000-04-19 2001-02-28 在扩频通信系统中降低峰值功率的系统和方法

Country Status (5)

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

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 (fr) 2014-04-30 2021-12-08 Nxp B.V. Circuit de commutation RF

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
AU2001241825A1 (en) 2001-11-07
KR20020089512A (ko) 2002-11-29
EP1281262A1 (fr) 2003-02-05
EP1281262A4 (fr) 2008-09-10
CA2406757C (fr) 2004-03-23
KR100466057B1 (ko) 2005-01-13
CN1425242A (zh) 2003-06-18
CA2406757A1 (fr) 2001-11-01

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Owner name: POWERWAVE TECHNOLOGIES INC.

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Effective date: 20150506

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Owner name: INTEL CORP .

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C41 Transfer of patent application or patent right or utility model
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Effective date of registration: 20150506

Address after: California, USA

Patentee after: INTEL Corp.

Address before: Luxemburg Luxemburg

Patentee before: POWERWAVE TECHNOLOGIES, Inc.

Effective date of registration: 20150506

Address after: Luxemburg Luxemburg

Patentee after: POWERWAVE TECHNOLOGIES, Inc.

Address before: California, USA

Patentee before: P-wave holding LLC

Effective date of registration: 20150506

Address after: California, USA

Patentee after: P-wave holding LLC

Address before: California, USA

Patentee before: POWERWAVE TECHNOLOGIES, Inc.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20061108

Termination date: 20180228