ATE405996T1 - 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
ATE405996T1
ATE405996T1 AT00921281T AT00921281T ATE405996T1 AT E405996 T1 ATE405996 T1 AT E405996T1 AT 00921281 T AT00921281 T AT 00921281T AT 00921281 T AT00921281 T AT 00921281T AT E405996 T1 ATE405996 T1 AT E405996T1
Authority
AT
Austria
Prior art keywords
reducing
ratio
communications system
mobile communications
power
Prior art date
Application number
AT00921281T
Other languages
German (de)
English (en)
Inventor
Branislav Popovic
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
Application granted granted Critical
Publication of ATE405996T1 publication Critical patent/ATE405996T1/de

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)
AT00921281T 1999-04-08 2000-04-04 Reduzierung des verhältnisses der spitzenleistung zur mittleren leistung in einem mobil- kommunikationssystem ATE405996T1 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ATE405996T1 true ATE405996T1 (de) 2008-09-15

Family

ID=23108477

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00921281T ATE405996T1 (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 (enExample)
EP (1) EP1166456B1 (enExample)
JP (1) JP3575752B2 (enExample)
KR (1) KR20020004992A (enExample)
CN (1) CN1192507C (enExample)
AR (1) AR023387A1 (enExample)
AT (1) ATE405996T1 (enExample)
AU (1) AU774324B2 (enExample)
BR (1) BRPI0009649B1 (enExample)
CA (1) CA2366591C (enExample)
DE (1) DE60039974D1 (enExample)
ES (1) ES2311454T3 (enExample)
MY (1) MY126030A (enExample)
TW (1) TW462149B (enExample)
WO (1) WO2000062436A1 (enExample)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000036761A2 (en) 1998-12-14 2000-06-22 Interdigital Technology Corporation Random access channel preamble detection
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
US7801260B2 (en) * 2001-06-18 2010-09-21 St-Ericsson Sa Peak detection accuracy
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
KR100589478B1 (ko) 2001-11-29 2006-06-14 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
TWI324023B (en) * 2002-07-31 2010-04-21 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
GB2445336B (en) 2005-11-04 2010-12-08 Nec Corp Wireless communication system and method of controlling a transmission power
EP1976170B1 (en) * 2006-01-18 2011-07-06 ZTE Corporation A 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
CA2667096C (en) * 2006-11-06 2013-09-24 Qualcomm Incorporated Methods and apparatus for power allocation and/or rate selection for ul mimo/simo operations with par considerations
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
WO2008114967A1 (en) * 2007-03-16 2008-09-25 Lg Electronics Inc. Method of generating random access preambles in wireless communication system
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
RU2656235C1 (ru) 2015-03-06 2018-06-04 Телефонактиеболагет Лм Эрикссон (Пабл) Формирование диаграммы направленности с использованием антенного устройства
US10700762B2 (en) 2016-05-04 2020-06-30 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
FI103082B (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
BRPI0009649B1 (pt) 2015-07-21
KR20020004992A (ko) 2002-01-16
AU4161400A (en) 2000-11-14
MY126030A (en) 2006-09-29
AR023387A1 (es) 2002-09-04
DE60039974D1 (de) 2008-10-02
CA2366591C (en) 2009-12-15
CN1364348A (zh) 2002-08-14
EP1166456B1 (en) 2008-08-20
CN1192507C (zh) 2005-03-09
JP3575752B2 (ja) 2004-10-13
US6549564B1 (en) 2003-04-15
AU774324B2 (en) 2004-06-24
CA2366591A1 (en) 2000-10-19
BR0009649A (pt) 2002-02-05
ES2311454T3 (es) 2009-02-16
JP2002542650A (ja) 2002-12-10
WO2000062436A1 (en) 2000-10-19
TW462149B (en) 2001-11-01
EP1166456A1 (en) 2002-01-02

Similar Documents

Publication Publication Date Title
ATE405996T1 (de) Reduzierung des verhältnisses der spitzenleistung zur mittleren leistung in einem mobil- kommunikationssystem
DE69936498D1 (de) Gerät und verfahren zur verminderung des verhältnisses von spitzen- zu durchschnittsleistung der sendeleistungsstärke einer mobilstation
AU2001278046A1 (en) Dc to dc converter and power management system
DE60044710D1 (de) Des ortes in einem mobilen kommunikationssystem
GB2368998B (en) Improvements in and relating to mobile telephones
DE60125643D1 (de) Verringerung der Spitzenleistung in einem Mehrträgermodulator
AU5137901A (en) Method to inhibit lipoxygenase and cancer cell proliferation
GB2376592B (en) Improvements in or relating to mobile phones
GB0007143D0 (en) Improvements in or relating to mobile telecommunications systems
DE60102117D1 (de) Verfahren zur Verringerung des Verhältnisses zwischen Spitzen- und mittlerer Leistung in einem drahtlosen Kommunikationssystem
GB9912090D0 (en) Improvements in or relating to mobile communications systems
DE60039522D1 (de) Reduktion der zellatmung in einem zellularen kommunikationssystem
AU3657399A (en) Peak to average power ratio reduction
GB2353670B (en) Improvements in or relating to mobile telecommunications systems
GB2362287B (en) Improvements in or relating to mobile phones
GB2365695B (en) Improvements in or relating to cellular communications systems
GB2367618B (en) Improvements in or relating to mobile telecommunications
GB2350759B (en) Improvements in or relating to mobile telecommunications systems
GB0008238D0 (en) Improvements to mobile phones
GB0014434D0 (en) Improvements relating to mobile telecommunications
GB0017494D0 (en) Improvemnts relating to mobile communications
GB0007134D0 (en) Improvements in or relating to mobile telecommunications systems
EG21435A (en) Mobile scaffoling to bear concrete roofs
GB9919261D0 (en) Improvements in or relating to mobile telecommunications
GB2356775B (en) Improvements in or relating to mobile telecommunications systems

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification

Ref document number: 1166456

Country of ref document: EP