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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
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)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1129241C (zh) * 1998-12-14 2003-11-26 交互数字技术公司 随机接入信道前同步信号的检测
JP3362009B2 (ja) * 1999-03-01 2003-01-07 シャープ株式会社 スペクトル拡散通信装置
US6674787B1 (en) * 1999-05-19 2004-01-06 Interdigital Technology Corporation Raising random access channel packet payload
DE19930229C1 (de) * 1999-06-30 2001-07-05 Infineon Technologies Ag Quadricorrelator für einen Demodulator für frequenzmodulierte Signale
US6874006B1 (en) * 1999-10-29 2005-03-29 Pentomics, Inc. Apparatus and method for rectangular-to-polar conversion
US7103027B2 (en) * 1999-12-14 2006-09-05 Interdigital Technology Corporation Random access channel preamble detection
ATE334519T1 (de) * 2001-06-18 2006-08-15 Koninkl Philips Electronics Nv Spitzenwerterkennung mit angepasstem filter
KR20030013287A (ko) * 2001-08-01 2003-02-14 텍사스 인스트루먼츠 인코포레이티드 회전된 ｑｐｓｋ 시퀀스를 이용한 ｃｄｍａ 역확산을 위한수신기 및 수신방법
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
WO2003047117A2 (en) 2001-11-29 2003-06-05 Interdigital Technology Corporation System and method using primary and secondary synchronization codes during cell search
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
GB2469229B (en) 2005-11-04 2011-02-02 Nec Corp Wireless communication system and method of controlling a transmission power
US8050250B2 (en) * 2006-01-18 2011-11-01 Zte Corporation Random access method for user equipment in time division synchronization code division multiple access communication system
KR20070095583A (ko) * 2006-03-21 2007-10-01 삼성전자주식회사 이동통신 시스템에서 메시지 전송 장치 및 방법
WO2008058143A2 (en) * 2006-11-06 2008-05-15 Qualcomm Incorporated Methods and apparatus for power allocation and/or rate selection for ul mimo/simo operations with par considerations
KR20080084536A (ko) * 2007-03-16 2008-09-19 엘지전자 주식회사 무선통신 시스템에서 제어정보 전송 방법
WO2008114967A1 (en) 2007-03-16 2008-09-25 Lg Electronics Inc. Method of generating random access preambles in wireless communication system
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
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
CA2978489C (en) 2015-03-06 2021-08-24 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

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4943982A (en) * 1989-05-01 1990-07-24 Motorola, Inc. Baseband carrier phase corrector
FR2706709B1 (fr) * 1993-06-16 1995-08-25 Matra Communication Procédé de synchronisation pour des communications radiotéléphoniques à accès multiple à répartition par codes.
JPH09270827A (ja) * 1996-04-01 1997-10-14 Advantest Corp デジタル直交変調信号のパラメータ測定装置
FI103082B1 (fi) 1996-05-27 1999-04-15 Nokia Telecommunications Oy Yhteydenmuodostusmenetelmä ja radiojärjestelmä
US5926500A (en) * 1996-05-28 1999-07-20 Qualcomm Incorporated Reduced peak-to-average transmit power high data rate CDMA wireless communication system
US6259724B1 (en) 1996-10-18 2001-07-10 Telefonaktiebolaget L M Ericsson (Publ) Random access in a mobile telecommunications system
US6163533A (en) 1997-04-30 2000-12-19 Telefonaktiebolaget Lm Ericsson (Publ) Random access in a mobile telecommunications system
US6044103A (en) * 1997-06-17 2000-03-28 Qualcomm Inc. Reduced peak-to-average amplitude dual channel link
KR20000014424A (ko) 1998-08-17 2000-03-15 윤종용 접속채널의 프리앰블 송신장치 및 방법
US6310869B1 (en) * 1998-08-31 2001-10-30 Qualcomm Incorporated Method and apparatus for reducing amplitude variations and interference in communication signals, such as in wireless communication signals employing inserted pilot symbols
US6324227B1 (en) * 1998-09-09 2001-11-27 Qualcomm Incorporated Receiver for performing position location with efficient rotator

Also Published As

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

Similar Documents

Publication Publication Date Title
DE60039974D1 (de) Reduzierung des verhältnisses der spitzenleistung zur mittleren leistung in einem mobil-kommunikationssystem
DE60044710D1 (de) Des ortes in einem mobilen kommunikationssystem
DE69841630D1 (de) G eines verbindungszustandes in einem mobilen kommunikationssystem
DE60003976D1 (de) Mobilkommunikationssystem
DE10084831T1 (de) Aufgeteiltes Funktelefon zur Verwendung in einem Fahrzeug
NO20002388L (no) Mobilt kvitteringssystem
FI971477A (fi) Häiriöiden vähentäminen matkaviestinjärjestelmässä
DE60015748D1 (de) Speichermedien
DE60001055D1 (de) Rasierer
DE60104222D1 (de) Funkrufverfahren zur Mobilkommunikation
DE60010588D1 (de) Gruppenstrukturiertes Mobilkommunikationssystem
DK199901841A (da) Mobilt kapel
DE69937508D1 (de) Mobilkommunikationssystem
EP1248387A4 (de) Mobiles kommunikationssystem
DE69932555D1 (de) Anruferdatensammlung in drahtlosen Kommunikationssystemen
IL149519A (en) Radiation-free cellular telephone system
DE60115814D1 (de) Benützung eines Dienstes in einem Mobilkommunikationssystem
GB0023855D0 (en) Cellular communication system
DE60014904D1 (de) Bidirektionale grundfrequenzverbesserung in sprachkodierungssystemen
DE69933372D1 (de) Verfharen zur ewiederzuordnung der Verkehrslast in einem drahtlosen mobilen zellularen Telefonsystem
DE69829360D1 (de) Richtungsbestimmung in einem zellularen mobilen Kommunikationssystem
DE60044501D1 (de) Ächtigungen in kommunikationssystemen
ATE401753T1 (de) Reduktion der zellatmung in einem zellularen kommunikationssystem
ITMI991725A0 (it) Sistemi leganti per fonderia
DK0997978T3 (da) Mobiltelefon

Legal Events

Date Code Title Description
8364 No opposition during term of opposition