DE60039974D1 - Reduzierung des verhältnisses der spitzenleistung zur mittleren leistung in einem mobil-kommunikationssystem - Google Patents

Reduzierung des verhältnisses der spitzenleistung zur mittleren leistung in einem mobil-kommunikationssystem

Info

Publication number
DE60039974D1
DE60039974D1 DE60039974T DE60039974T DE60039974D1 DE 60039974 D1 DE60039974 D1 DE 60039974D1 DE 60039974 T DE60039974 T DE 60039974T DE 60039974 T DE60039974 T DE 60039974T DE 60039974 D1 DE60039974 D1 DE 60039974D1
Authority
DE
Germany
Prior art keywords
performance
reduction
communication system
mobile communication
medium
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
DE60039974T
Other languages
English (en)
Inventor
Branislav Popovic
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of DE60039974D1 publication Critical patent/DE60039974D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
    • H04L27/2053—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases
    • H04L27/206—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers
    • H04L27/2067—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers with more than two phase states
    • H04L27/2078—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers with more than two phase states in which the phase change per symbol period is constrained
    • 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
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
DE60039974T 1999-04-08 2000-04-04 Reduzierung des verhältnisses der spitzenleistung zur mittleren leistung in einem mobil-kommunikationssystem Expired - Lifetime DE60039974D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/288,747 US6549564B1 (en) 1999-04-08 1999-04-08 Random access in a mobile telecommunications system
PCT/SE2000/000644 WO2000062436A1 (en) 1999-04-08 2000-04-04 Reduction of peak-to-average power ratio in a mobile telecommunications system

Publications (1)

Publication Number Publication Date
DE60039974D1 true DE60039974D1 (de) 2008-10-02

Family

ID=23108477

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60039974T Expired - Lifetime DE60039974D1 (de) 1999-04-08 2000-04-04 Reduzierung des verhältnisses der spitzenleistung zur mittleren leistung in einem mobil-kommunikationssystem

Country Status (15)

Country Link
US (1) US6549564B1 (de)
EP (1) EP1166456B1 (de)
JP (1) JP3575752B2 (de)
KR (1) KR20020004992A (de)
CN (1) CN1192507C (de)
AR (1) AR023387A1 (de)
AT (1) ATE405996T1 (de)
AU (1) AU774324B2 (de)
BR (1) BRPI0009649B1 (de)
CA (1) CA2366591C (de)
DE (1) DE60039974D1 (de)
ES (1) ES2311454T3 (de)
MY (1) MY126030A (de)
TW (1) TW462149B (de)
WO (1) WO2000062436A1 (de)

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JP2003152600A (ja) 2001-11-15 2003-05-23 Nec Corp 固定パターン検出装置、固定パターン検出方法、無線基地局および無線移動局
US7006587B1 (en) * 2001-11-20 2006-02-28 Cisco Technolgy, Inc. Preamble aided synchronization
KR100855577B1 (ko) 2001-11-29 2008-09-03 인터디지탈 테크날러지 코포레이션 시분할 이중 시스템에서의 셀 검색 방법, 노드 비(ｂ) 및사용자 장치
KR100429528B1 (ko) * 2002-01-23 2004-05-03 삼성전자주식회사 디지털 통신 방법 및 장치
TWI224740B (en) 2002-07-31 2004-12-01 Interdigital Tech Corp Start-up automatic frequency control (AFC) method and apparatus
KR100452512B1 (ko) 2002-08-16 2004-10-13 엘지전자 주식회사 채널용량 개선 왈쉬코드 확산장치 및 그 운용방법
US20040127207A1 (en) * 2002-09-25 2004-07-01 Interdigital Technology Corporation Programmable radio interface
US8422434B2 (en) * 2003-02-18 2013-04-16 Qualcomm Incorporated Peak-to-average power ratio management for multi-carrier modulation in wireless communication systems
US7302276B2 (en) * 2003-11-25 2007-11-27 Telefonaktiebolaget L M Ericsson (Publ) Method and system for determining uplink/downlink path-loss difference
US7808940B2 (en) * 2004-05-10 2010-10-05 Alcatel-Lucent Usa Inc. Peak-to-average power ratio control
US20050286547A1 (en) * 2004-06-24 2005-12-29 Baum Kevin L Method and apparatus for accessing a wireless multi-carrier communication system
JP4362090B2 (ja) * 2004-07-05 2009-11-11 パナソニック株式会社 変調器
US7623565B2 (en) * 2004-09-20 2009-11-24 Cypress Semiconductor Corporation Method for providing packet framing in a communication system
US20060126767A1 (en) * 2004-12-09 2006-06-15 Kiomars Anvari Simple filter to remove imperfection
KR100702456B1 (ko) * 2004-12-10 2007-04-03 한국전자통신연구원 심벌 동기 검출 방법 및 그 장치
JP4835951B2 (ja) 2005-11-04 2011-12-14 日本電気株式会社 無線通信システムとその送信電力制御方法
DK1976170T3 (da) * 2006-01-18 2011-10-10 Zte Corp Fremgangsmåde til direkte adgang til brugerudstyr i et flerbrugeradgangskommunikationssystem med tidsmultiplekssynkroniseringskodemultipleks
KR20070095583A (ko) * 2006-03-21 2007-10-01 삼성전자주식회사 이동통신 시스템에서 메시지 전송 장치 및 방법
KR101122384B1 (ko) * 2006-11-06 2012-03-27 콸콤 인코포레이티드 Ｐａｒ를 고려하는 ｕｌ ｍｉｍｏ/ｓｉｍｏ 동작에 대한 전력 할당 및/또는 레이트 선택을 위한 방법 및 장치
CN101636937B (zh) * 2007-03-16 2013-05-01 Lg电子株式会社 在无线通信系统中生成随机接入前导码的方法
KR20080084536A (ko) * 2007-03-16 2008-09-19 엘지전자 주식회사 무선통신 시스템에서 제어정보 전송 방법
EP1971097B1 (de) * 2007-03-16 2014-03-12 LG Electronics Inc. Verfahren zur Erzeugung von einer zufälligen Zugangspräambel in einem drahtlosen Kommunikationssystem
CA2686205C (en) * 2008-01-25 2011-11-29 Nautel Limited Peak-to-average power reduction method
KR100933205B1 (ko) 2008-05-09 2009-12-22 (주) 콘텔라 Ｗｃｄｍａ 물리 랜덤 액세스 채널 복조장치 및 복조방법
JP5350068B2 (ja) * 2009-04-30 2013-11-27 日本電波工業株式会社 相関ピーク検出方法及び無線機
KR101329059B1 (ko) 2009-11-12 2013-11-14 한국전자통신연구원 무선 센서 네트워크에서 패킷 데이터의 전송 장치 및 방법
US8798196B2 (en) 2011-01-25 2014-08-05 Ibiquity Digital Corporation Peak-to-average power ratio reduction for hybrid FM HD radio transmission
US9160579B1 (en) 2014-03-26 2015-10-13 Nokia Solutions And Networks Oy Low PAPR modulation for coverage enhancement
AU2015385427B2 (en) 2015-03-06 2018-06-14 Telefonaktiebolaget Lm Ericsson (Publ) Beam forming using an antenna arrangement
WO2017190777A1 (en) * 2016-05-04 2017-11-09 Telefonaktiebolaget Lm Ericsson (Publ) Beam forming using an antenna arrangement

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Also Published As

Publication number Publication date
WO2000062436A1 (en) 2000-10-19
EP1166456A1 (de) 2002-01-02
KR20020004992A (ko) 2002-01-16
BRPI0009649B1 (pt) 2015-07-21
ATE405996T1 (de) 2008-09-15
EP1166456B1 (de) 2008-08-20
CA2366591A1 (en) 2000-10-19
BR0009649A (pt) 2002-02-05
AR023387A1 (es) 2002-09-04
TW462149B (en) 2001-11-01
CN1192507C (zh) 2005-03-09
CA2366591C (en) 2009-12-15
CN1364348A (zh) 2002-08-14
AU774324B2 (en) 2004-06-24
ES2311454T3 (es) 2009-02-16
AU4161400A (en) 2000-11-14
JP3575752B2 (ja) 2004-10-13
JP2002542650A (ja) 2002-12-10
MY126030A (en) 2006-09-29
US6549564B1 (en) 2003-04-15

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