CN1134911C - 限制在cdma系统中峰值功率的信号分离方法以及系统 - Google Patents

限制在cdma系统中峰值功率的信号分离方法以及系统 Download PDF

Info

Publication number
CN1134911C
CN1134911C CNB998101524A CN99810152A CN1134911C CN 1134911 C CN1134911 C CN 1134911C CN B998101524 A CNB998101524 A CN B998101524A CN 99810152 A CN99810152 A CN 99810152A CN 1134911 C CN1134911 C CN 1134911C
Authority
CN
China
Prior art keywords
transmit power
time
regions
waveform
sub
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
CNB998101524A
Other languages
English (en)
Chinese (zh)
Other versions
CN1315086A (zh
Inventor
小E・G・蒂德曼
S·A·伦比
小·E·G·蒂德曼
J·霍尔茨曼
D·特兰萨瓦
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.)
Qualcomm Inc
Original Assignee
Qualcomm 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
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of CN1315086A publication Critical patent/CN1315086A/zh
Application granted granted Critical
Publication of CN1134911C publication Critical patent/CN1134911C/zh
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/36—Transmission power control [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
    • 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
    • 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
    • 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
    • H04B2201/7097—Direct sequence modulation interference
    • H04B2201/709709—Methods of preventing interference

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
CNB998101524A 1998-08-31 1999-08-30 限制在cdma系统中峰值功率的信号分离方法以及系统 Expired - Lifetime CN1134911C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/144,408 1998-08-31
US09/144,408 US6396817B2 (en) 1998-08-31 1998-08-31 Signal splitting method for limiting peak power in a CDMA system

Publications (2)

Publication Number Publication Date
CN1315086A CN1315086A (zh) 2001-09-26
CN1134911C true CN1134911C (zh) 2004-01-14

Family

ID=22508457

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB998101524A Expired - Lifetime CN1134911C (zh) 1998-08-31 1999-08-30 限制在cdma系统中峰值功率的信号分离方法以及系统

Country Status (7)

Country Link
US (4) US6396817B2 (enExample)
EP (2) EP2197127B1 (enExample)
JP (1) JP4307731B2 (enExample)
KR (1) KR100687364B1 (enExample)
CN (1) CN1134911C (enExample)
AU (1) AU5696999A (enExample)
WO (1) WO2000013343A1 (enExample)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA965340B (en) 1995-06-30 1997-01-27 Interdigital Tech Corp Code division multiple access (cdma) communication system
US6396817B2 (en) * 1998-08-31 2002-05-28 Qualcomm Incorporated Signal splitting method for limiting peak power in a CDMA system
ATE285649T1 (de) 2000-09-27 2005-01-15 Itt Mfg Enterprises Inc Intervote modulator
WO2002069516A1 (en) * 2001-02-27 2002-09-06 Itt Manufacturing Enterprises, Inc. Methods and apparatus for multiplexing signal codes via weighted majority logic
DE10149544B4 (de) * 2001-10-08 2004-11-11 Rohde & Schwarz Gmbh & Co. Kg Verfahren zum Ermitteln des Zeitversatzes eines CDMA-Signals und Computerprogramm zur Durchführung des Verfahrens
US8204079B2 (en) 2002-10-28 2012-06-19 Qualcomm Incorporated Joint transmission of multiple multimedia streams
US20040083495A1 (en) * 2002-10-29 2004-04-29 Lane Richard D. Mulitmedia transmission using variable gain amplification based on data importance
GB0410617D0 (en) * 2004-05-12 2004-06-16 Ttp Communications Ltd Path searching
US20090201135A1 (en) * 2004-05-25 2009-08-13 Panasonic Corporation Wireless ic communication device and response method for the same
US7403746B2 (en) * 2005-01-04 2008-07-22 Mitsubishi Electric Research Laboratories, Inc. Adaptive frame durations for time-hopped impulse radio systems
US8730877B2 (en) * 2005-06-16 2014-05-20 Qualcomm Incorporated Pilot and data transmission in a quasi-orthogonal single-carrier frequency division multiple access system
US8160596B2 (en) * 2005-07-20 2012-04-17 Qualcomm Incorporated Asymmetric mode of operation in multi-carrier communication systems
US20080084814A1 (en) * 2006-10-10 2008-04-10 Muthaiah Venkatachalam Techniques to improve the reliability of the common control channel in ofdm based wireless systems
US20080310383A1 (en) * 2007-06-15 2008-12-18 Sharp Laboratories Of America, Inc. Systems and methods for designing a sequence for code modulation of data and channel estimation
US20090112743A1 (en) * 2007-10-31 2009-04-30 Mullins Christine M System and method for reporting according to eu vat related legal requirements
US8094486B2 (en) * 2008-05-22 2012-01-10 Qualcomm Incorporated Pad design with buffers for STT-MRAM or other short pulse signal transmission
WO2011112909A2 (en) * 2010-03-12 2011-09-15 Sunrise Micro Devices, Inc. Power efficient communications
JP2012156861A (ja) * 2011-01-27 2012-08-16 Renesas Electronics Corp 電力線通信装置及びノイズ検出方法
RU2748376C2 (ru) * 2016-12-15 2021-05-25 Нтт Докомо, Инк. Терминал пользователя и способ радиосвязи
KR20210029983A (ko) 2019-09-09 2021-03-17 이채혁 생활 폐기물 분리수거 대행서비스 제공 시스템 및 방법

Family Cites Families (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5210771A (en) * 1991-08-01 1993-05-11 Motorola, Inc. Multiple user spread-spectrum communication system
JPH06164546A (ja) 1992-11-20 1994-06-10 N T T Idou Tsuushinmou Kk 移動通信システム
JP2749238B2 (ja) 1992-12-24 1998-05-13 エヌ・ティ・ティ移動通信網株式会社 移動通信用基地局送信装置および移動通信システム
WO1994010766A1 (fr) 1992-11-04 1994-05-11 Ntt Mobile Communications Network Inc. Systeme de communication mobile a acces multiple par difference de code
US5321365A (en) * 1993-03-03 1994-06-14 Tektronix, Inc. Reduced noise sensitivity in inverse scattering through filtering
DE69433336T3 (de) 1993-03-05 2008-06-19 Ntt Mobile Communications Network Inc. Cdma kommunikationsverfahren mit selektivem zugriff und anordnung für mobile stationen in denen dieses verfahren angewandt wird
EP0659326B1 (en) * 1993-06-14 2002-09-04 Telefonaktiebolaget Lm Ericsson Time alignment of transmission in a down-link of a cdma system
US5410538A (en) * 1993-11-09 1995-04-25 At&T Corp. Method and apparatus for transmitting signals in a multi-tone code division multiple access communication system
US5956643A (en) * 1994-01-13 1999-09-21 Lucent Technologies Inc. Apparatus and method for adaptive dynamic channel assignment in wireless communication networks
JPH07297753A (ja) 1994-04-28 1995-11-10 Oki Electric Ind Co Ltd フレーム送信タイミング制御方法
CA2145566C (en) 1994-04-29 1999-12-28 Nambirajan Seshadri Methods of and devices for enhancing communications that use spread spectrum technology
US5579306A (en) * 1994-09-01 1996-11-26 Ericsson Inc. Time and frequency slot allocation system and method
US5621723A (en) * 1994-09-27 1997-04-15 Gte Laboratories Incorporated Power control in a CDMA network
US5659580A (en) 1994-11-29 1997-08-19 Lucent Technologies Inc. Data interleaver for use with mobile communication systems and having a contiguous counter and an address twister
US5745484A (en) * 1995-06-05 1998-04-28 Omnipoint Corporation Efficient communication system using time division multiplexing and timing adjustment control
US5703902A (en) * 1995-06-16 1997-12-30 Qualcomm Incorporated Method and apparatus for determining signal strength in a variable data rate system
JP2718398B2 (ja) 1995-06-30 1998-02-25 日本電気株式会社 Ｃｄｍａ基地局送信装置
ZA965340B (en) * 1995-06-30 1997-01-27 Interdigital Tech Corp Code division multiple access (cdma) communication system
US5978413A (en) * 1995-08-28 1999-11-02 Bender; Paul E. Method and system for processing a plurality of multiple access transmissions
US5825835A (en) 1996-02-23 1998-10-20 L-3 Communications Corporation Multi-user acquisition procedure for multipoint-to-point synchronous CDMA systems
JP2934185B2 (ja) 1996-03-15 1999-08-16 松下電器産業株式会社 Ｃｄｍａセルラ無線基地局装置および移動局装置および送信方法
JP2820919B2 (ja) * 1996-03-25 1998-11-05 株式会社ワイ・アール・ピー移動通信基盤技術研究所 Ｃｄｍａ移動体通信システムおよび送受信機
GB2313525B (en) * 1996-05-24 2000-06-07 Motorola Ltd Filter for multicarrier communication system and method for peak power control therein
US5949988A (en) * 1996-07-16 1999-09-07 Lucent Technologies Inc. Prediction system for RF power distribution
WO1998018217A1 (en) 1996-10-18 1998-04-30 Telefonaktiebolaget Lm Ericsson (Publ) Transmission timing offset method for ds-cdma mobile telephone systems
JPH10190626A (ja) 1996-12-27 1998-07-21 Matsushita Electric Ind Co Ltd Ｃｄｍａ受信装置
US5930248A (en) 1997-03-04 1999-07-27 Telefonaktiebolaget Lm Ericsson Radio communication system selectively using multicast with variable offset time
US5974315A (en) 1997-09-03 1999-10-26 Lockheed Martin Corporation Spacecraft cellular communication system
US5987333A (en) * 1997-09-30 1999-11-16 Nortel Networks Corporation/Corporation Nortel Networks Communications power control
US6130918A (en) * 1997-12-01 2000-10-10 Nortel Networks Limited Method and apparatus for reducing the peak-to-average ratio in a multicarrier communication system
US6411799B1 (en) * 1997-12-04 2002-06-25 Qualcomm Incorporated Method and apparatus for providing ternary power control in a communication system
US7430257B1 (en) * 1998-02-12 2008-09-30 Lot 41 Acquisition Foundation, Llc Multicarrier sub-layer for direct sequence channel and multiple-access coding
US6298073B1 (en) * 1998-06-26 2001-10-02 Lefever Ronald Stanton Method using elastic buffering for equalizing transmission delays in a non-earth-synchronous multiple satellite data transmission system
US6275478B1 (en) * 1998-07-10 2001-08-14 Qualcomm Incorporated Methods and apparatuses for fast power control of signals transmitted on a multiple access channel
US6396817B2 (en) * 1998-08-31 2002-05-28 Qualcomm Incorporated Signal splitting method for limiting peak power in a CDMA system
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
US6330289B1 (en) * 1998-10-16 2001-12-11 Nortel Networks Limited System for improving base station amplifier performance
US6603745B1 (en) * 1998-10-28 2003-08-05 Qualcomm Incorporated Method and apparatus for reverse link overload detection
US6259730B1 (en) * 1998-11-10 2001-07-10 Lucent Technologies, Inc. Transmit diversity and reception equalization for radio links
US6914889B1 (en) * 1998-12-08 2005-07-05 Lucent Technologies Inc. Variable rate forward power control for multichannel applications
US6317435B1 (en) 1999-03-08 2001-11-13 Qualcomm Incorporated Method and apparatus for maximizing the use of available capacity in a communication system
US6711120B1 (en) * 1999-03-11 2004-03-23 Flarion Technologies, Inc. Orthogonal frequency division multiplexing based spread spectrum multiple access
EP1039662A1 (en) 1999-03-25 2000-09-27 Alcatel Improvements to a telecommunication system using code division multiple access (CDMA)
DE69900975T2 (de) * 1999-04-12 2002-11-28 Alcatel, Paris Verbesserte kanaladaptive, schnelle Leistungsregelung in CDMA
US6694148B1 (en) * 1999-07-26 2004-02-17 Telefonaktiebolaget Lm Ericsson (Publ) Transmit power control for MCPA-equipped based stations
US6208842B1 (en) * 1999-09-30 2001-03-27 Motorola Inc. Method and apparatus for estimating a channel parameter
KR20010035967A (ko) * 1999-10-05 2001-05-07 서평원 코드분할다중접속 시스템의 다중 사용자 신호 동기 획득 장치 및 그 방법
US6603753B1 (en) * 1999-12-03 2003-08-05 Lucent Technologies Inc. Down-link transmission inter-cell scheduling in CDMA data networks
US6807145B1 (en) * 1999-12-06 2004-10-19 Lucent Technologies Inc. Diversity in orthogonal frequency division multiplexing systems
GB0007334D0 (en) * 2000-03-28 2000-05-17 Koninkl Philips Electronics Nv Radio communication system
US6493331B1 (en) * 2000-03-30 2002-12-10 Qualcomm Incorporated Method and apparatus for controlling transmissions of a communications systems
US6449302B2 (en) * 2000-04-19 2002-09-10 Powerwave Technologies, Inc. System and method for peak power reduction in spread spectrum communications systems
US6785513B1 (en) * 2001-04-05 2004-08-31 Cowave Networks, Inc. Method and system for clustered wireless networks
JP4744725B2 (ja) * 2001-05-25 2011-08-10 三菱電機株式会社 干渉キャンセラ
US6717992B2 (en) * 2001-06-13 2004-04-06 Time Domain Corporation Method and apparatus for receiving a plurality of time spaced signals
US6906560B1 (en) * 2004-01-20 2005-06-14 Harris Corporation Phase-continuous frequency synthesizer

Also Published As

Publication number Publication date
US7082109B2 (en) 2006-07-25
US7965688B2 (en) 2011-06-21
WO2000013343A1 (en) 2000-03-09
AU5696999A (en) 2000-03-21
KR20010074909A (ko) 2001-08-09
US7251225B2 (en) 2007-07-31
KR100687364B1 (ko) 2007-02-27
HK1037812A1 (en) 2002-02-15
US20080013494A1 (en) 2008-01-17
US20020105919A1 (en) 2002-08-08
US20020015390A1 (en) 2002-02-07
EP1116345A1 (en) 2001-07-18
EP2197127B1 (en) 2013-10-09
JP2002524913A (ja) 2002-08-06
JP4307731B2 (ja) 2009-08-05
EP1116345B1 (en) 2011-10-19
EP2197127A1 (en) 2010-06-16
US6396817B2 (en) 2002-05-28
US20010024449A1 (en) 2001-09-27
CN1315086A (zh) 2001-09-26

Similar Documents

Publication Publication Date Title
CN1134911C (zh) 限制在cdma系统中峰值功率的信号分离方法以及系统
TW548996B (en) Method and apparatus for code assignment in a spread spectrum wireless communication system
CN1157863C (zh) 采用正交发射分集的通信系统中控制发射能量的方法和装置
US8311009B2 (en) Method, transceiver and telecommunication system for generating reference sequence matrices and for mapping elements thereof
EP1317086B1 (en) Data transmission apparatus and data transmission method
CA2559459A1 (en) Apparatus and method for controlling transmission power in communication systems using orthogonal frequency division multiple access scheme
RU2321173C2 (ru) Способ назначения нисходящего канала управления в системе подвижной связи
US8311413B2 (en) High power efficiency optical-wireless transmitter
CN1111976C (zh) 限制天线发送功率的时分换发送分集发射机及其方法
KR100515496B1 (ko) 다중반송파 코드분할 다중접속에서의 스크램블링 시스템및 방법, 그 프로그램이 저장된 기록매체
US7027482B1 (en) Transmitter with means for complementarily scaling the input and output signals of a D/A converter
KR100737220B1 (ko) Ｃｄｍａ 시스템의 용량증가를 위한 타임-오프셋 방법
KR102115074B1 (ko) Slm을 이용한 papr 저감 장치 및 방법
CN1489839A (zh) 多载波信号功率检测方法、无线电发射单元及该单元的模块
CN1672435A (zh) 支持编码合成传输信道不同物理信道的等化信号干扰比
EP2129008A1 (en) Tfc selection device and method in mobile communication and program thereof
EP1876741A1 (en) Wireless communication apparatus and wireless communication method
CN113109766A (zh) 多符号准正交ocdm雷达通信一体化信号调制方法
HK1037812B (en) Signal splitting method and system for limiting peak power in a cdma system
HK1038451B (en) Time offset technique for increasing the capacity of a cdma system
CN119232256A (zh) 基于可见光的多用户mimo-ofdma通信资源的分配方法及存储介质
GB2639124A (en) Methods and apparatuses for resource selection

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee
CP01 Change in the name or title of a patent holder

Address after: Holy land, California, Egypt

Patentee after: Qualcomm Inc.

Address before: Holy land, California, Egypt

Patentee before: Qualcomm Inc.

CX01 Expiry of patent term

Granted publication date: 20040114

CX01 Expiry of patent term