[go: up one dir, main page]

IL116739A - Cell site demodulator architecture for a spread spectrum multiple access communication system - Google Patents

Cell site demodulator architecture for a spread spectrum multiple access communication system

Info

Publication number
IL116739A
IL116739A IL11673996A IL11673996A IL116739A IL 116739 A IL116739 A IL 116739A IL 11673996 A IL11673996 A IL 11673996A IL 11673996 A IL11673996 A IL 11673996A IL 116739 A IL116739 A IL 116739A
Authority
IL
Israel
Prior art keywords
communication system
multiple access
spread spectrum
cell site
access communication
Prior art date
Application number
IL11673996A
Other languages
English (en)
Other versions
IL116739A0 (en
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 IL116739A0 publication Critical patent/IL116739A0/xx
Publication of IL116739A publication Critical patent/IL116739A/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/24Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2628Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08Access point devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Multi Processors (AREA)
  • Radio Relay Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
IL11673996A 1995-01-13 1996-01-11 Cell site demodulator architecture for a spread spectrum multiple access communication system IL116739A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/372,632 US5654979A (en) 1995-01-13 1995-01-13 Cell site demodulation architecture for a spread spectrum multiple access communication systems

Publications (2)

Publication Number Publication Date
IL116739A0 IL116739A0 (en) 1996-05-14
IL116739A true IL116739A (en) 1999-08-17

Family

ID=23469005

Family Applications (1)

Application Number Title Priority Date Filing Date
IL11673996A IL116739A (en) 1995-01-13 1996-01-11 Cell site demodulator architecture for a spread spectrum multiple access communication system

Country Status (20)

Country Link
US (1) US5654979A (xx)
EP (1) EP0750810B1 (xx)
JP (1) JP3040484B2 (xx)
KR (1) KR100306952B1 (xx)
CN (1) CN1091556C (xx)
AR (1) AR000720A1 (xx)
AT (1) ATE237203T1 (xx)
AU (1) AU704501B2 (xx)
BR (1) BR9603816B1 (xx)
CA (1) CA2185444C (xx)
DE (1) DE69627242T2 (xx)
ES (1) ES2194095T3 (xx)
FI (1) FI113923B (xx)
IL (1) IL116739A (xx)
MX (1) MX9604085A (xx)
MY (1) MY113224A (xx)
RU (1) RU2154913C2 (xx)
TW (1) TW284942B (xx)
WO (1) WO1996021976A1 (xx)
ZA (1) ZA96186B (xx)

Families Citing this family (99)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5602834A (en) 1990-12-07 1997-02-11 Qualcomm Incorporated Linear coverage area antenna system for a CDMA communication system
US5710768A (en) * 1994-09-30 1998-01-20 Qualcomm Incorporated Method of searching for a bursty signal
ZA957858B (en) * 1994-09-30 1996-04-22 Qualcomm Inc Multipath search processor for a spread spectrum multiple access communication system
GB2306854B (en) * 1995-10-20 1998-04-08 At & T Corp Apparatus for radio local loop system
JP3286885B2 (ja) * 1995-11-07 2002-05-27 三菱電機株式会社 タイミング再生手段及びダイバーシティ通信装置
TW330358B (en) * 1996-02-28 1998-04-21 Toshiba Kk Correlator and synchronous tracking apparatus of spectrum expansion receiver thereof
JP2780697B2 (ja) * 1996-03-22 1998-07-30 日本電気株式会社 相関復調における同期捕捉方法及び装置
US5754583A (en) * 1996-05-06 1998-05-19 Motorola, Inc. Communication device and method for determining finger lock status in a radio receiver
US6396804B2 (en) * 1996-05-28 2002-05-28 Qualcomm Incorporated High data rate CDMA wireless communication system
US6678311B2 (en) 1996-05-28 2004-01-13 Qualcomm Incorporated High data CDMA wireless communication system using variable sized channel codes
US5943363A (en) * 1996-07-17 1999-08-24 Stanford Telecommunications, Inc. Digital spread spectrum GPS navigation receiver
US5818887A (en) * 1996-07-26 1998-10-06 Motorola, Inc. Method for receiving a signal in a digital radio frequency communication system
JP3447897B2 (ja) * 1996-08-20 2003-09-16 松下電器産業株式会社 Cdma無線通信装置
US5881058A (en) * 1996-11-25 1999-03-09 Motorola, Inc. Method for performing a signal search in a wireless communication system
US6144649A (en) * 1997-02-27 2000-11-07 Motorola, Inc. Method and apparatus for acquiring a pilot signal in a CDMA receiver
US6724738B1 (en) 1997-02-27 2004-04-20 Motorola Inc. Method and apparatus for acquiring a pilot signal in a CDMA receiver
US6285655B1 (en) * 1997-09-08 2001-09-04 Qualcomm Inc. Method and apparatus for providing orthogonal spot beams, sectors, and picocells
US5872774A (en) * 1997-09-19 1999-02-16 Qualcomm Incorporated Mobile station assisted timing synchronization in a CDMA communication system
US6061336A (en) * 1997-09-30 2000-05-09 Qualcomm Incorporated Polarization enhanced CDMA communication system
US6275482B1 (en) * 1997-10-28 2001-08-14 Qwest Communications International Inc. Combined angular, spatial, and temporal diversity for mobile radio system
US9118387B2 (en) 1997-11-03 2015-08-25 Qualcomm Incorporated Pilot reference transmission for a wireless communication system
US7184426B2 (en) 2002-12-12 2007-02-27 Qualcomm, Incorporated Method and apparatus for burst pilot for a time division multiplex system
DE69807918T2 (de) * 1997-11-07 2003-05-22 Shell Oil Co Heizungssteuerung
US6639906B1 (en) * 1997-12-09 2003-10-28 Jeffrey A. Levin Multichannel demodulator
KR100269341B1 (ko) 1997-12-19 2000-10-16 서평원 이동통신시스템의기저대역신호복조장치및방법
US6269075B1 (en) * 1998-01-26 2001-07-31 Nokia Mobile Phones Limited Finger assignment in a CDMA rake receiver
US6370397B1 (en) 1998-05-01 2002-04-09 Telefonaktiebolaget Lm Ericsson (Publ) Search window delay tracking in code division multiple access communication systems
US6731622B1 (en) 1998-05-01 2004-05-04 Telefonaktiebolaget Lm Ericsson (Publ) Multipath propagation delay determining means using periodically inserted pilot symbols
US5978365A (en) * 1998-07-07 1999-11-02 Orbital Sciences Corporation Communications system handoff operation combining turbo coding and soft handoff techniques
US6201827B1 (en) 1998-09-09 2001-03-13 Qualcomm Incorporated System and method for probability based lock detection
US6125137A (en) * 1998-09-11 2000-09-26 Motorola, Inc. Apparatus and method for performing a signal search in a coherent wireless communication system
US6330271B1 (en) 1998-10-13 2001-12-11 Telefonaktiebolaget Lm Ericsson (Publ) CDMA receiver that shares a tracking device among multiple rake branches
US6243561B1 (en) * 1998-10-13 2001-06-05 Qualcomm Incorporated Offline page monitoring
JP3408433B2 (ja) * 1998-10-19 2003-05-19 松下電器産業株式会社 スペクトル拡散受信機
EP1125370B1 (de) * 1998-10-27 2005-02-09 Siemens Aktiengesellschaft Rake-empfänger in mobilfunksystemen der dritten generation
US6625197B1 (en) 1998-10-27 2003-09-23 Qualcomm Incorporated Method and apparatus for multipath demodulation in a code division multiple access communication system
US6229841B1 (en) 1998-12-11 2001-05-08 Qualcomm Incorporated Method and apparatus for energy estimation in a wireless receiver capable of receiving multiple instances of a common signal
US6130923A (en) * 1998-12-11 2000-10-10 Qualcomm Incorporated Lock detection for multipath wireless receiver
JP3499460B2 (ja) 1999-02-25 2004-02-23 松下電器産業株式会社 拡散符号発生回路および拡散符号発生方法
US6356528B1 (en) 1999-04-15 2002-03-12 Qualcomm Incorporated Interleaver and deinterleaver for use in a diversity transmission communication system
US7085246B1 (en) * 1999-05-19 2006-08-01 Motorola, Inc. Method and apparatus for acquisition of a spread-spectrum signal
US6611855B1 (en) * 1999-06-21 2003-08-26 Telefonaktiebolaget Lm Ericsson (Publ) Flexible and efficient channelizer architecture
US8064409B1 (en) 1999-08-25 2011-11-22 Qualcomm Incorporated Method and apparatus using a multi-carrier forward link in a wireless communication system
US6208842B1 (en) * 1999-09-30 2001-03-27 Motorola Inc. Method and apparatus for estimating a channel parameter
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
US6738661B1 (en) * 1999-10-22 2004-05-18 Biosynergetics, Inc. Apparatus and methods for the controllable modification of compound concentration in a tube
US6526090B1 (en) * 1999-12-28 2003-02-25 Texas Instruments Incorporated Demodulation element assignment for a receiver capable of simultaneously demodulating multiple spread spectrum signals
US6477162B1 (en) 2000-03-31 2002-11-05 Qualcomm, Incorporated Dynamically adjusting integration interval based on a signal strength
US7224719B1 (en) * 2000-03-31 2007-05-29 Qualcomm, Incorporated Fast acquisition of a pilot signal in a wireless communication device
GB2362777B (en) * 2000-05-25 2002-05-08 3Com Corp System for detection of asynchronous packet rates and maintenance of maximum theoretical packet rate
EP1317832B1 (en) * 2000-07-31 2016-12-14 Intel Deutschland GmbH Method and apparatus for time-sliced and multi-threaded data processing in a communication system
KR100424460B1 (ko) * 2000-10-05 2004-03-26 삼성전자주식회사 터보 복호기의 전송률 검출 장치 및 방법
GB2368238B (en) * 2000-10-17 2004-04-14 Ubinetics Ltd A method of searching a code space
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
US6985516B1 (en) 2000-11-27 2006-01-10 Qualcomm Incorporated Method and apparatus for processing a received signal in a communications system
US6907245B2 (en) 2000-12-04 2005-06-14 Telefonaktiebolaget Lm Ericsson (Publ) Dynamic offset threshold for diversity handover in telecommunications system
US6980803B2 (en) * 2000-12-04 2005-12-27 Telefonaktiebolaget Lm Ericsson (Publ) Using statistically ascertained position for starting synchronization searcher during diversity handover
US6954644B2 (en) 2000-12-04 2005-10-11 Telefonaktiebolaget Lm Ericsson (Publ) Using geographical coordinates to determine mobile station time position for synchronization during diversity handover
US7010073B2 (en) * 2001-01-19 2006-03-07 Qualcomm, Incorporated Delay lock loops for wireless communication systems
US6834074B2 (en) * 2001-05-23 2004-12-21 Texas Instruments Incorporated Method of time tracking in a vector correlator based rake receiver
US7099293B2 (en) * 2002-05-01 2006-08-29 Stmicroelectronics, Inc. Buffer-less de-skewing for symbol combination in a CDMA demodulator
TWI261468B (en) * 2001-11-02 2006-09-01 Benq Corp Rake reception device and method
US7236515B1 (en) 2001-11-19 2007-06-26 Sprint Spectrum L.P. Forward link time delay for distributed antenna system
US7505458B2 (en) * 2001-11-27 2009-03-17 Tellabs San Jose, Inc. Apparatus and method for a fault-tolerant scalable switch fabric with quality-of-service (QOS) support
US6785322B1 (en) * 2002-04-12 2004-08-31 Interdigital Technology Corporation Node-B/base station rake finger pooling
TW201002122A (en) 2002-04-12 2010-01-01 Interdigital Tech Corp Access burst detector correlator pool
US7103091B2 (en) * 2002-05-07 2006-09-05 Stmicroelectronics, Inc. Common data path rake receiver for a CDMA demodulator circuit
ATE403286T1 (de) 2002-06-21 2008-08-15 Qualcomm Inc Zwischenverstärker für drahtlose lokale netzwerke
US8885688B2 (en) 2002-10-01 2014-11-11 Qualcomm Incorporated Control message management in physical layer repeater
KR101012629B1 (ko) 2002-10-11 2011-02-09 퀄컴 인코포레이티드 Wlan 중계기 내에서의 루프 효과의 감소 방법
US8078100B2 (en) 2002-10-15 2011-12-13 Qualcomm Incorporated Physical layer repeater with discrete time filter for all-digital detection and delay generation
WO2004036789A1 (en) 2002-10-15 2004-04-29 Widefi, Inc. Wireless local area network repeater with automatic gain control for extending network coverage
US7230935B2 (en) * 2002-10-24 2007-06-12 Widefi, Inc. Physical layer repeater with selective use of higher layer functions based on network operating conditions
BR0316218A (pt) 2002-11-15 2005-09-27 Widefi Inc Método e aparelho para detectar a presença de um sinal em um de pelo menos dois canais de frequência em um repetidor de translação de frequência para uso em uma rede de área local sem fios (wlan)
CN1720755B (zh) 2002-12-16 2010-05-05 高通股份有限公司 改进的无线网络中继器及其操作方法
JP3746773B2 (ja) * 2003-06-03 2006-02-15 独立行政法人電子航法研究所 移動局及び移動局側通信制御方法及び基地局及び基地局側通信制御方法及び通信システム
SE0302596D0 (sv) * 2003-09-30 2003-09-30 Ericsson Telefon Ab L M Improvments in or relating to base stations
US7310367B2 (en) * 2003-10-17 2007-12-18 Qualcomm Incorporated Data demodulation for a CDMA communication system
JP4107432B2 (ja) * 2004-03-03 2008-06-25 独立行政法人電子航法研究所 移動局及び移動局側通信制御方法及び基地局及び基地局通信制御方法及び通信システム
US8027642B2 (en) 2004-04-06 2011-09-27 Qualcomm Incorporated Transmission canceller for wireless local area network
JP4960223B2 (ja) 2004-05-13 2012-06-27 クゥアルコム・インコーポレイテッド 検出およびメディア・アクセス制御を行う非周波数変換型リピータ
WO2005122428A2 (en) 2004-06-03 2005-12-22 Widefi, Inc. Frequency translating repeater with low cost high performance local oscillator architecture
BRPI0512579A (pt) * 2004-06-24 2008-04-08 Matsushita Electric Industrial Co Ltd dispositivo de transmissão sem fio, dispositivo de recepção sem fio e método de arranjo de sìmbolo
WO2006081405A2 (en) 2005-01-28 2006-08-03 Widefi, Inc. Physical layer repeater configuration for increasing mino performance
RU2286025C1 (ru) * 2005-06-15 2006-10-20 Игорь Борисович Дунаев Способ передачи и приема сигналов квадратурной амплитудной модуляции, система для его осуществления, машиночитаемый носитель и применение способа для синхронизации приема сигналов квадратурной амплитудной модуляции
WO2007037638A2 (en) 2005-09-28 2007-04-05 Lg Electronics Inc. A method of transmitting data in cellular networks using cooperative relaying
US8920343B2 (en) 2006-03-23 2014-12-30 Michael Edward Sabatino Apparatus for acquiring and processing of physiological auditory signals
EP2064903A4 (en) 2006-09-21 2011-12-14 Qualcomm Inc METHOD AND APPARATUS FOR REDUCING OSCILLATION BETWEEN REPEATERS
CA2667470A1 (en) 2006-10-26 2008-05-15 Qualcomm Incorporated Repeater techniques for multiple input multiple output utilizing beam formers
US7751467B2 (en) * 2006-12-04 2010-07-06 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for selecting signal processing delays based on historical selection data
KR101372210B1 (ko) * 2007-03-14 2014-03-07 인터디지탈 테크날러지 코포레이션 롱텀 에볼루션 시스템에서의 업링크 고갈 회피 지원 방법 및 장치
KR100956494B1 (ko) 2007-06-14 2010-05-07 엘지전자 주식회사 제어신호 전송 방법
US20090141690A1 (en) * 2007-10-01 2009-06-04 Qualcomm Incorporated Method and apparatus for uplink control signaling
US8798214B2 (en) 2007-11-14 2014-08-05 Qualcomm Incorporated Minimum finger low-power demodulator for wireless communication
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
US8488719B2 (en) 2010-08-12 2013-07-16 Harris Corporation Wireless communications device with multiple demodulators and related methods
RU2560530C2 (ru) * 2013-06-04 2015-08-20 Открытое акционерное "Российский институт мощного радиостроения" Способ установления цикловой синхронизации
US9793946B2 (en) * 2014-11-27 2017-10-17 Lg Electronics Inc. Rake receiver and receiving method thereof

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4164628A (en) * 1977-06-06 1979-08-14 International Telephone And Telegraph Corporation Processor for multiple, continuous, spread spectrum signals
SU1267627A1 (ru) * 1984-09-28 1986-10-30 Предприятие П/Я А-3650 Приемо-передающее устройство радиосв зи подвижных объектов
US4901307A (en) * 1986-10-17 1990-02-13 Qualcomm, Inc. Spread spectrum multiple access communication system using satellite or terrestrial repeaters
US5109390A (en) * 1989-11-07 1992-04-28 Qualcomm Incorporated Diversity receiver in a cdma cellular telephone system
US5101501A (en) * 1989-11-07 1992-03-31 Qualcomm Incorporated Method and system for providing a soft handoff in communications in a cdma cellular telephone system
US5056109A (en) * 1989-11-07 1991-10-08 Qualcomm, Inc. Method and apparatus for controlling transmission power in a cdma cellular mobile telephone system
US5103459B1 (en) * 1990-06-25 1999-07-06 Qualcomm Inc System and method for generating signal waveforms in a cdma cellular telephone system
US5237586A (en) * 1992-03-25 1993-08-17 Ericsson-Ge Mobile Communications Holding, Inc. Rake receiver with selective ray combining
JP3295454B2 (ja) * 1992-08-05 2002-06-24 パイオニア株式会社 Gps受信機の信号処理方法
US5442627A (en) * 1993-06-24 1995-08-15 Qualcomm Incorporated Noncoherent receiver employing a dual-maxima metric generation process
US5465269A (en) * 1994-02-02 1995-11-07 Motorola, Inc. Method and apparatus for encoding and decoding a supplementary signal
US5490105A (en) * 1994-09-27 1996-02-06 Regents Of The University Of Michigan High speed current mirror memory cell architecture

Also Published As

Publication number Publication date
FI113923B (fi) 2004-06-30
CA2185444A1 (en) 1996-07-18
HK1015199A1 (en) 1999-10-08
AR000720A1 (es) 1997-08-06
WO1996021976A1 (en) 1996-07-18
BR9603816B1 (pt) 2009-01-13
ES2194095T3 (es) 2003-11-16
FI963600A7 (fi) 1996-11-12
CN1145703A (zh) 1997-03-19
KR100306952B1 (ko) 2001-11-30
AU4698896A (en) 1996-07-31
ZA96186B (en) 1996-07-09
US5654979A (en) 1997-08-05
DE69627242T2 (de) 2004-01-29
BR9603816A (pt) 1997-09-30
CA2185444C (en) 2003-03-25
MY113224A (en) 2001-12-31
EP0750810B1 (en) 2003-04-09
AU704501B2 (en) 1999-04-22
DE69627242D1 (de) 2003-05-15
TW284942B (xx) 1996-09-01
JPH09510855A (ja) 1997-10-28
ATE237203T1 (de) 2003-04-15
MX9604085A (es) 1997-09-30
FI963600A0 (fi) 1996-09-12
EP0750810A1 (en) 1997-01-02
RU2154913C2 (ru) 2000-08-20
CN1091556C (zh) 2002-09-25
JP3040484B2 (ja) 2000-05-15
IL116739A0 (en) 1996-05-14

Similar Documents

Publication Publication Date Title
IL116739A (en) Cell site demodulator architecture for a spread spectrum multiple access communication system
ZA964963B (en) Mobile demodulator architecture for a spread spectrum multiple access communication system
AP9801214A0 (en) Code division multiple access (CDMA) communication system
IL129974A0 (en) A communication system architecture
AU7649396A (en) Spread spectrum communication system
IL119307A0 (en) Time division multiple access communication network
EP0860071A4 (en) SYSTEM AND METHOD FOR MULTIPLEXING A SPREAD SPECTRUM COMMUNICATION SYSTEM
IL131102A0 (en) A communication system architecture
AU7408796A (en) Spread spectrum communications system
AU7919998A (en) Network access device b-answer
AU1808799A (en) Spread spectrum multipath demodulator for a multichanel communication system
IL126523A0 (en) Method for access control in a multiple access system for communications networks
AU3101797A (en) Network based access system
PL334213A1 (en) Interference control in a cell a radio telecommunication system
GB9526295D0 (en) System for selecting a communication channel
GB9525637D0 (en) Spread spectrum telecommunication system
GB9822248D0 (en) A spread spectrum communication system
AU1774900A (en) Multiple access communication system
GB9804891D0 (en) Time division multiple access communication system
EP0725549A3 (en) Group-calls in a multi-channel access communication system
AU5359896A (en) A subscriber unit for use in a multiple access communication system
GB2287852B (en) A telephone access system
GB0025418D0 (en) A communications system
GB2313517B (en) A telecommunication system
GB9313226D0 (en) Spread spectrum communication system

Legal Events

Date Code Title Description
FF Patent granted
KB Patent renewed
KB Patent renewed
KB Patent renewed
KB Patent renewed
EXP Patent expired