IL134645A - A device and method for transmitting signals in a communication system - Google Patents

A device and method for transmitting signals in a communication system

Info

Publication number
IL134645A
IL134645A IL13464598A IL13464598A IL134645A IL 134645 A IL134645 A IL 134645A IL 13464598 A IL13464598 A IL 13464598A IL 13464598 A IL13464598 A IL 13464598A IL 134645 A IL134645 A IL 134645A
Authority
IL
Israel
Prior art keywords
channel information
mobile station
station
antenna
antennas
Prior art date
Application number
IL13464598A
Other languages
English (en)
Hebrew (he)
Other versions
IL134645A0 (en
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Publication of IL134645A0 publication Critical patent/IL134645A0/xx
Publication of IL134645A publication Critical patent/IL134645A/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0667Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of delayed versions of same signal
    • H04B7/0671Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of delayed versions of same signal using different delays between antennas
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/14Relay systems
    • H04B7/15Active relay systems
    • H04B7/155Ground-based stations
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J13/00Code division multiplex systems
    • H04J13/0007Code type
    • H04J13/004Orthogonal
    • H04J13/0048Walsh
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/02Arrangements for detecting or preventing errors in the information received by diversity reception
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/30TPC using constraints in the total amount of available transmission power
    • H04W52/34TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/38TPC being performed in particular situations
    • H04W52/42TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
IL13464598A 1997-09-04 1998-07-17 A device and method for transmitting signals in a communication system IL134645A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/923,190 US6173005B1 (en) 1997-09-04 1997-09-04 Apparatus and method for transmitting signals in a communication system
PCT/US1998/014888 WO1999012274A1 (fr) 1997-09-04 1998-07-17 Dispositif et procede pour la transmission de signaux dans un systeme de communication

Publications (2)

Publication Number Publication Date
IL134645A0 IL134645A0 (en) 2001-04-30
IL134645A true IL134645A (en) 2004-03-28

Family

ID=25448279

Family Applications (1)

Application Number Title Priority Date Filing Date
IL13464598A IL134645A (en) 1997-09-04 1998-07-17 A device and method for transmitting signals in a communication system

Country Status (10)

Country Link
US (1) US6173005B1 (fr)
EP (1) EP1020039B1 (fr)
JP (1) JP4392985B2 (fr)
KR (1) KR100336815B1 (fr)
CN (1) CN1237728C (fr)
BR (1) BR9811628B8 (fr)
CA (1) CA2302491C (fr)
DE (1) DE69841221D1 (fr)
IL (1) IL134645A (fr)
WO (1) WO1999012274A1 (fr)

Families Citing this family (119)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU4238697A (en) * 1996-08-29 1998-03-19 Cisco Technology, Inc. Spatio-temporal processing for communication
US6680928B1 (en) * 1997-07-22 2004-01-20 Ericsson Inc. Communications system and method for multi-carrier orthogonal coding
GB9718743D0 (en) * 1997-09-05 1997-11-12 Philips Electronics Nv Transmission method and communication system employing the method
US6285655B1 (en) * 1997-09-08 2001-09-04 Qualcomm Inc. Method and apparatus for providing orthogonal spot beams, sectors, and picocells
FI103446B (fi) * 1997-09-10 1999-06-30 Nokia Telecommunications Oy Menetelmä makrodiversiteetin toteuttamiseksi
US6185258B1 (en) * 1997-09-16 2001-02-06 At&T Wireless Services Inc. Transmitter diversity technique for wireless communications
EP2285011B8 (fr) 1997-10-31 2018-06-27 AT&T Mobility II LLC Détection par probabilité maximale à faible complexité de codes d'espace concatènes pour applications sans fil avec un émetteur fonctionnant en diversité
US7184426B2 (en) * 2002-12-12 2007-02-27 Qualcomm, Incorporated Method and apparatus for burst pilot for a time division multiplex system
US9118387B2 (en) * 1997-11-03 2015-08-25 Qualcomm Incorporated Pilot reference transmission for a wireless communication system
US6795508B1 (en) * 1997-12-02 2004-09-21 Qualcomm, Incorporated Method and apparatus for obtaining transmit diversity using switched antennas
KR100269341B1 (ko) * 1997-12-19 2000-10-16 서평원 이동통신시스템의기저대역신호복조장치및방법
US6188736B1 (en) * 1997-12-23 2001-02-13 At&T Wireless Svcs. Inc. Near-optimal low-complexity decoding of space-time codes for fixed wireless applications
KR100254517B1 (ko) 1997-12-29 2000-05-01 서정욱 코드분할다중방식 기지국용 주기형 비콘신호 발생장치
US6993001B1 (en) * 1999-03-17 2006-01-31 Interdigital Technology Corporation Modular base station with variable communication capacity
JPH11266180A (ja) * 1998-03-18 1999-09-28 Fujitsu Ltd 無線基地局のアレーアンテナシステム
JP2002026796A (ja) * 1998-04-07 2002-01-25 Matsushita Electric Ind Co Ltd 無線通信装置及び無線通信システム
US7031398B2 (en) * 1998-07-10 2006-04-18 Qualcomm Incorporated Method and apparatus for obtaining transmit diversity using switched antennas
KR100306286B1 (ko) * 1998-08-04 2001-09-29 윤종용 부호분할 다중접속 통신시스템의 채널 통신 장치 및 방법
US7215718B1 (en) * 1999-04-28 2007-05-08 At&T Corp. Combined channel coding and space-time block coding in a multi-antenna arrangement
WO2000014921A1 (fr) 1998-09-04 2000-03-16 At & T Corp. Combinaison du codage de voie et du codage de bloc etat dans un dispositif a plusieurs antennes
US6459740B1 (en) 1998-09-17 2002-10-01 At&T Wireless Services, Inc. Maximum ratio transmission
US6704370B1 (en) * 1998-10-09 2004-03-09 Nortel Networks Limited Interleaving methodology and apparatus for CDMA
JP2000151557A (ja) * 1998-11-13 2000-05-30 Nec Corp Cdma通信装置
US6128330A (en) 1998-11-24 2000-10-03 Linex Technology, Inc. Efficient shadow reduction antenna system for spread spectrum
US6590881B1 (en) * 1998-12-04 2003-07-08 Qualcomm, Incorporated Method and apparatus for providing wireless communication system synchronization
US6515978B1 (en) * 1999-04-19 2003-02-04 Lucent Technologies Inc. Methods and apparatus for downlink diversity in CDMA using Walsh codes
US6421327B1 (en) * 1999-06-28 2002-07-16 Qualcomm Incorporated Method and apparatus for controlling transmission energy in a communication system employing orthogonal transmit diversity
US7123579B1 (en) * 1999-08-04 2006-10-17 Lg Electronics Inc. Method of transmitting non-orthogonal physical channels in the communications system
KR100429545B1 (ko) * 1999-08-17 2004-04-28 삼성전자주식회사 이동통신 시스템의 스크램블링 부호의 식별자 통신방법
US6721339B2 (en) * 1999-08-17 2004-04-13 Lucent Technologies Inc. Method of providing downlink transmit diversity
US8064409B1 (en) 1999-08-25 2011-11-22 Qualcomm Incorporated Method and apparatus using a multi-carrier forward link in a wireless communication system
US6327299B1 (en) * 1999-08-31 2001-12-04 Motorola, Inc. Method and system for measuring and adjusting the quality of an orthogonal transmit diversity signal in a wireless communications system
US6392988B1 (en) * 1999-09-13 2002-05-21 Lucent Technologies Inc. Transmitter architecture employing space time spreading and orthogonal transmit diversity techniques
US6317410B1 (en) * 1999-09-13 2001-11-13 Lucent Technologies Inc. Receiver architecture employing space time spreading and orthogonal transmit diversity techniques
US6621804B1 (en) * 1999-10-07 2003-09-16 Qualcomm Incorporated Method and apparatus for predicting favored supplemental channel transmission slots using transmission power measurements of a fundamental channel
US6922445B1 (en) * 1999-12-15 2005-07-26 Intel Corporation Method and system for mode adaptation in wireless communication
GB0004121D0 (en) * 2000-02-23 2000-04-12 Koninkl Philips Electronics Nv Communication system and a transmitter for use in the system
US7391804B2 (en) * 2000-04-04 2008-06-24 Lot 41 Acquisition Foundation, Llc Spread spectrum communication method and system using diversity correlation and multi-user detection
US6564062B1 (en) * 2000-06-09 2003-05-13 Denso Corporation Pilot search to determine processor loading
US7054384B1 (en) * 2000-08-04 2006-05-30 Lucent Technologies Inc. Power amplifier sharing in a wireless communication system with transmit diversity
US7039098B2 (en) * 2000-08-07 2006-05-02 Qualcomm Incorporated Method and apparatus for base station and mobile station time calibration
JP2002057651A (ja) 2000-08-11 2002-02-22 Advantest Corp 多重信号の物理量表示装置、方法、記録媒体
DE10040447A1 (de) * 2000-08-18 2002-02-28 Siemens Ag Verfahren zur Kanalschätzung in einem Funksystem, insbesondere einem Mobilfunksystem
US6961304B1 (en) * 2000-09-12 2005-11-01 Lucent Technologies Inc. Dynamic reassignment of code space among multiple modes of operation
GB0022634D0 (en) * 2000-09-15 2000-11-01 Koninkl Philips Electronics Nv Secondary station and method of operating the station
EP1204219B1 (fr) * 2000-10-11 2008-04-09 Samsung Electronics Co., Ltd. Appareil et procédé pour la commande d'un réseau d'antennes d'emission pour un canal descendant partagé physique dans un système de communications mobiles
US6973098B1 (en) * 2000-10-25 2005-12-06 Qualcomm, Incorporated Method and apparatus for determining a data rate in a high rate packet data wireless communications system
US7068683B1 (en) 2000-10-25 2006-06-27 Qualcomm, Incorporated Method and apparatus for high rate packet data and low delay data transmissions
US8504109B2 (en) * 2000-12-11 2013-08-06 Apple Inc. Antenna systems with common overhead for CDMA base stations
US7953446B2 (en) 2000-12-11 2011-05-31 Nortel Networks Limited Antenna systems with common overhead for CDMA base stations
JP3679000B2 (ja) * 2000-12-21 2005-08-03 松下電器産業株式会社 無線送信装置及び無線送信方法
US6985510B2 (en) * 2000-12-22 2006-01-10 Qualcomm, Incorporated Method and system for data and voice transmission over shared and dedicated channels
JP2004289191A (ja) * 2001-01-19 2004-10-14 Yozan Inc Ds−cdmaシステムにおけるパスサーチ方法および受信装置
GB2399998B (en) * 2001-02-01 2005-04-13 Fujitsu Ltd Communications systems
US6961431B2 (en) * 2001-02-28 2005-11-01 Lockheed Martin Corp. Analog privacy scrambler and scrambling method
WO2002082687A1 (fr) 2001-04-05 2002-10-17 Nortel Networks Limited Emetteur pour systeme de communication sans fil par ondes radio
JP4718708B2 (ja) * 2001-04-06 2011-07-06 富士通株式会社 ウォルシュコードの割当方法および割当装置
KR100572675B1 (ko) * 2001-04-14 2006-04-19 우병훈 자기 간섭 제거를 이용한 핑거 장치 및 그 방법과 그를이용한 레이크 수신 장치 및 그 방법
JP3511600B2 (ja) * 2001-05-30 2004-03-29 松下電器産業株式会社 逓倍反射式電波式マーカシステム及び交通システム
EP1292048B1 (fr) * 2001-09-07 2009-03-11 Nokia Siemens Networks Gmbh & Co. Kg Procédé de transmission de données en diversité dans un système de communication radio
US8699505B2 (en) * 2002-05-31 2014-04-15 Qualcomm Incorporated Dynamic channelization code allocation
DE10226639A1 (de) * 2002-06-14 2003-12-24 Rohde & Schwarz Signalanalysator und Verfahren zum Anzeigen von Leistungen von Code-Kanälen bei orthogonaler Transmit Diversity
US20030012301A1 (en) * 2002-07-18 2003-01-16 Harold Walker Method and apparatus for improved cellular telephone communications
US20040017860A1 (en) * 2002-07-29 2004-01-29 Jung-Tao Liu Multiple antenna system for varying transmission streams
US20040066739A1 (en) * 2002-10-07 2004-04-08 Koninklijke Philips Electronics N.V. Simplified implementation of optimal decoding for COFDM transmitter diversity system
JP3583414B2 (ja) * 2002-11-14 2004-11-04 松下電器産業株式会社 Cdma送信装置およびcdma受信装置
US7218948B2 (en) * 2003-02-24 2007-05-15 Qualcomm Incorporated Method of transmitting pilot tones in a multi-sector cell, including null pilot tones, for generating channel quality indicators
US9544860B2 (en) * 2003-02-24 2017-01-10 Qualcomm Incorporated Pilot signals for use in multi-sector cells
US8811348B2 (en) * 2003-02-24 2014-08-19 Qualcomm Incorporated Methods and apparatus for generating, communicating, and/or using information relating to self-noise
US9661519B2 (en) * 2003-02-24 2017-05-23 Qualcomm Incorporated Efficient reporting of information in a wireless communication system
US7126528B2 (en) * 2003-02-28 2006-10-24 Southwest Research Institute Method for delivering secondary (non-location) data to a GPS receiver
KR100532311B1 (ko) * 2003-03-26 2005-11-29 삼성전자주식회사 이동통신 시스템에서 송신 다이버시티 복조를 위한 장치및 방법
KR100586391B1 (ko) 2003-04-25 2006-06-08 주식회사 팬택 인터리빙 딜레이 다이버시티 기법을 이용한 송신기
US8559406B2 (en) * 2003-06-03 2013-10-15 Qualcomm Incorporated Method and apparatus for communications of data in a communication system
US7933250B2 (en) * 2003-06-23 2011-04-26 Qualcomm Incorporated Code channel management in a wireless communications system
US7224941B2 (en) * 2003-10-20 2007-05-29 Accton Technology Corporation System and method for multi-path simulation
US7746800B2 (en) * 2003-11-21 2010-06-29 Nokia Corporation Flexible rate split method for MIMO transmission
US8072942B2 (en) * 2003-11-26 2011-12-06 Qualcomm Incorporated Code channel management in a wireless communications system
CA2559814C (fr) * 2004-04-28 2012-05-29 Samsung Electronics Co., Ltd. Procede et appareil permettant de generer une sequence de preambule pour systeme d'antenne adaptative dans un systeme de communication a acces multiple par repartition orthogonalede la frequence
US7263335B2 (en) * 2004-07-19 2007-08-28 Purewave Networks, Inc. Multi-connection, non-simultaneous frequency diversity in radio communication systems
US9002299B2 (en) 2004-10-01 2015-04-07 Cisco Technology, Inc. Multiple antenna processing on transmit for wireless local area networks
US8503938B2 (en) * 2004-10-14 2013-08-06 Qualcomm Incorporated Methods and apparatus for determining, communicating and using information including loading factors which can be used for interference control purposes
RU2007117711A (ru) * 2004-10-14 2008-11-20 Квэлкомм Флэрион Текнолоджиз, Инк. (Us) Способы и устройство для определения, передачи и использования информации, которая может быть использована для целей управления помехами
CN101167294B (zh) * 2005-02-17 2013-07-17 艾利森电话股份有限公司 用于协同中继的方法和装置
US9191840B2 (en) * 2005-10-14 2015-11-17 Qualcomm Incorporated Methods and apparatus for determining, communicating and using information which can be used for interference control
US8694042B2 (en) * 2005-10-14 2014-04-08 Qualcomm Incorporated Method and apparatus for determining a base station's transmission power budget
US8385388B2 (en) * 2005-12-06 2013-02-26 Qualcomm Incorporated Method and system for signal reconstruction from spatially and temporally correlated received samples
US20070149132A1 (en) * 2005-12-22 2007-06-28 Junyl Li Methods and apparatus related to selecting control channel reporting formats
US8437251B2 (en) 2005-12-22 2013-05-07 Qualcomm Incorporated Methods and apparatus for communicating transmission backlog information
US9572179B2 (en) * 2005-12-22 2017-02-14 Qualcomm Incorporated Methods and apparatus for communicating transmission backlog information
US20070249360A1 (en) * 2005-12-22 2007-10-25 Arnab Das Methods and aparatus related to determining, communicating, and/or using delay information in a wireless communications system
US9148795B2 (en) * 2005-12-22 2015-09-29 Qualcomm Incorporated Methods and apparatus for flexible reporting of control information
US9137072B2 (en) 2005-12-22 2015-09-15 Qualcomm Incorporated Methods and apparatus for communicating control information
US9473265B2 (en) * 2005-12-22 2016-10-18 Qualcomm Incorporated Methods and apparatus for communicating information utilizing a plurality of dictionaries
US8514771B2 (en) * 2005-12-22 2013-08-20 Qualcomm Incorporated Methods and apparatus for communicating and/or using transmission power information
US9119220B2 (en) * 2005-12-22 2015-08-25 Qualcomm Incorporated Methods and apparatus for communicating backlog related information
US9338767B2 (en) 2005-12-22 2016-05-10 Qualcomm Incorporated Methods and apparatus of implementing and/or using a dedicated control channel
US9451491B2 (en) * 2005-12-22 2016-09-20 Qualcomm Incorporated Methods and apparatus relating to generating and transmitting initial and additional control information report sets in a wireless system
US9125093B2 (en) * 2005-12-22 2015-09-01 Qualcomm Incorporated Methods and apparatus related to custom control channel reporting formats
US9125092B2 (en) 2005-12-22 2015-09-01 Qualcomm Incorporated Methods and apparatus for reporting and/or using control information
KR101260836B1 (ko) * 2006-02-28 2013-05-06 삼성전자주식회사 직교 주파수 분할 다중 시스템에서 다이버시티 이득을 제공하는 선 부호화 방법 및 이를 이용한 송신 장치 및 방법
US20070243882A1 (en) * 2006-04-12 2007-10-18 Qualcomm Incorporated Method and apparatus for locating a wireless local area network associated with a wireless wide area network
AR060719A1 (es) * 2006-04-28 2008-07-10 Qualcomm Inc Un canal de difusion para e-utra
JP4824486B2 (ja) 2006-05-01 2011-11-30 株式会社エヌ・ティ・ティ・ドコモ 基地局及び通信方法
US8295250B2 (en) 2006-07-24 2012-10-23 Qualcomm Incorporated Code interleaving for a structured code
US9590715B2 (en) * 2006-12-22 2017-03-07 Sony Corporation WCDMA power saving with transmit diversity
WO2009025029A1 (fr) * 2007-08-21 2009-02-26 Fujitsu Limited Station mobile et procédé de commande de diversité d'émission
KR100994982B1 (ko) * 2008-02-01 2010-11-19 한국전자통신연구원 확산부호의 주파수 기저대역을 선택하는 방법, 이를 이용한적응형 주파수 선택적 스프레더 및 이를 이용한 송수신장치
US8811200B2 (en) * 2009-09-22 2014-08-19 Qualcomm Incorporated Physical layer metrics to support adaptive station-dependent channel state information feedback rate in multi-user communication systems
US8553627B2 (en) * 2009-10-02 2013-10-08 Sharp Laboratories Of America, Inc. Transmission diversity scheme on physical uplink control channel (PUCCH) with ACK/NACK differentiation
US8374136B2 (en) * 2009-10-02 2013-02-12 Sharp Laboratories Of America, Inc. Transmission diversity scheme on physical uplink control channel (PUCCH) with ACK/NACK differentiation
CN103780290B (zh) * 2012-10-23 2018-11-06 华为技术有限公司 一种联合数据信号收发方法和设备
US10433166B2 (en) 2016-07-08 2019-10-01 Microsoft Technology Licensing, Llc Cryptography using RF power measurement
US10411888B2 (en) 2016-07-08 2019-09-10 Microsoft Technology Licensing, Llc Cryptography method
US10469260B2 (en) 2016-07-08 2019-11-05 Microsoft Technology Licensing, Llc Multiple cryptographic key generation for two-way communication
US10560264B2 (en) 2016-11-08 2020-02-11 Microsoft Technology Licensing, Llc Cryptographic key creation using optical parameters
US10958301B2 (en) 2018-09-18 2021-03-23 Roku, Inc. Audio synchronization of a dumb speaker and a smart speaker using a spread code
US10992336B2 (en) 2018-09-18 2021-04-27 Roku, Inc. Identifying audio characteristics of a room using a spread code
US10931909B2 (en) 2018-09-18 2021-02-23 Roku, Inc. Wireless audio synchronization using a spread code

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5479448A (en) * 1992-03-31 1995-12-26 At&T Corp. Method and apparatus for providing antenna diversity
US5963508A (en) * 1994-02-14 1999-10-05 Atlantic Richfield Company System and method for determining earth fracture propagation
FI941289A (fi) * 1994-03-18 1995-09-19 Nokia Telecommunications Oy Menetelmä taajuushyppelyn toteuttamiseksi ja tukiasemalaitteisto
US5442625A (en) * 1994-05-13 1995-08-15 At&T Ipm Corp Code division multiple access system providing variable data rate access to a user
FI96558C (fi) * 1994-09-27 1996-07-10 Nokia Telecommunications Oy Menetelmä datasiirtoa varten TDMA-matkaviestinjärjestelmässä sekä menetelmän toteuttava matkaviestinjärjestelmä
JPH08195703A (ja) * 1995-01-17 1996-07-30 Toshiba Corp 無線通信装置
US5742640A (en) * 1995-03-07 1998-04-21 Diva Communications, Inc. Method and apparatus to improve PSTN access to wireless subscribers using a low bit rate system
MY121893A (en) * 1995-04-28 2006-03-31 Qualcomm Inc Method and apparatus for providing variable rate data in a communications system using statistical multiplexing.
JP2751869B2 (ja) * 1995-04-28 1998-05-18 日本電気株式会社 送信ダイバシティ方式
JP2846860B2 (ja) * 1996-10-01 1999-01-13 ユニデン株式会社 スペクトル拡散通信方式を用いた送信機、受信機、通信システム及び通信方法
US5864548A (en) * 1997-01-06 1999-01-26 Cwill Telecommunications, Inc. Method and apparatus for fast modulation in synchronous CDMA communications
JPH10336144A (ja) 1997-05-29 1998-12-18 Matsushita Electric Ind Co Ltd 符号分割多元接続移動体通信装置

Also Published As

Publication number Publication date
EP1020039A4 (fr) 2004-09-29
JP2001515295A (ja) 2001-09-18
BR9811628A (pt) 2002-01-22
JP4392985B2 (ja) 2010-01-06
WO1999012274A1 (fr) 1999-03-11
BR9811628B8 (pt) 2017-10-17
KR20010023616A (ko) 2001-03-26
US6173005B1 (en) 2001-01-09
CA2302491C (fr) 2005-12-06
CN1270716A (zh) 2000-10-18
IL134645A0 (en) 2001-04-30
EP1020039A1 (fr) 2000-07-19
CA2302491A1 (fr) 1999-03-11
CN1237728C (zh) 2006-01-18
EP1020039B1 (fr) 2009-10-07
DE69841221D1 (de) 2009-11-19
KR100336815B1 (ko) 2002-05-16
BRPI9811628B1 (pt) 2017-03-28

Similar Documents

Publication Publication Date Title
US6173005B1 (en) Apparatus and method for transmitting signals in a communication system
US6038263A (en) Method and apparatus for transmitting signals in a communication system
US6141542A (en) Method and apparatus for controlling transmit diversity in a communication system
KR100920407B1 (ko) Cdma 통신 시스템에서 채널화 코드를 시간 공유하기 위한 방법 및 장치
US6628631B1 (en) Radio communication system and handoff method therefor
KR100354101B1 (ko) Ds-cdma수신기및순방향링크다이버시티방법
EP0980150B1 (fr) Modem de station de base à AMRC pour usagers multiples
JP4302878B2 (ja) ソフトハンドオフの間のフォワードトラフィックチャネル電力割当を変更するための方法とシステム
AU2002330470B2 (en) Radio transmission system and method and transmission station apparatus and reception station apparatus used in the radio transmission system
US6108323A (en) Method and system for operating a CDMA cellular system having beamforming antennas
JP3877679B2 (ja) 移動通信システムにおけるdschの電力制御のための装置及び方法
US6424619B2 (en) High data rate CDMA wireless communication system
KR20050091075A (ko) Ofdm 순방향 링크 및 cdma 역방향 링크를 가진무선 통신시스템에서 순방향 링크 핸드오프를 제공하기위한 방법
KR20020014804A (ko) Cdma 통신 시스템에서의 소프트 핸드오프 방법 및 장치
KR100532311B1 (ko) 이동통신 시스템에서 송신 다이버시티 복조를 위한 장치및 방법
JP4607397B2 (ja) レート判定改善のためのフレームエネルギー基準使用のための方法および装置
Chen Overview of code division multiple access technology for wireless communications
Lin et al. IS-95 north American standard-A CDMA based digital cellular system
WO2000008771A1 (fr) Procede et appareil permettant d'obtenir une rotation des indices de symbole de modulation

Legal Events

Date Code Title Description
KB Patent renewed
KB Patent renewed
HP Change in proprietorship

Owner name: MOTOROLA MOBILITY, INC.

Free format text: FORMER OWNER:MOTOROLA, INC.

KB Patent renewed
MM9K Patent not in force due to non-payment of renewal fees