BR9506385A - Processo para recepção de espectro difuso coerente de espectro difuso coerente - Google Patents

Processo para recepção de espectro difuso coerente de espectro difuso coerente

Info

Publication number
BR9506385A
BR9506385A BR9506385A BR9506385A BR9506385A BR 9506385 A BR9506385 A BR 9506385A BR 9506385 A BR9506385 A BR 9506385A BR 9506385 A BR9506385 A BR 9506385A BR 9506385 A BR9506385 A BR 9506385A
Authority
BR
Brazil
Prior art keywords
diffuse spectrum
coherent
coherent diffuse
spectrum
receiving
Prior art date
Application number
BR9506385A
Other languages
English (en)
Inventor
Fuyun Ling
Thomasz A Sexton
Gene Bruckert
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
Priority claimed from US08/317,501 external-priority patent/US5659573A/en
Application filed by Motorola Inc filed Critical Motorola Inc
Publication of BR9506385A publication Critical patent/BR9506385A/pt

Links

Classifications

    • 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
    • H04B1/7073—Synchronisation aspects
    • H04B1/7087—Carrier synchronisation aspects
    • 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
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0602—Systems characterised by the synchronising information used
    • H04J3/0605—Special codes used as synchronising signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • 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
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
    • H04L27/2275—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals
    • H04L27/2276—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals using frequency multiplication or harmonic tracking
    • 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
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • H04B1/7117—Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers
    • 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
    • H04B2201/70703—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation using multiple or variable rates
    • 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
    • H04B2201/70703—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation using multiple or variable rates
    • H04B2201/70705—Rate detection

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
BR9506385A 1994-10-04 1995-07-31 Processo para recepção de espectro difuso coerente de espectro difuso coerente BR9506385A (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/317,501 US5659573A (en) 1994-10-04 1994-10-04 Method and apparatus for coherent reception in a spread-spectrum receiver
US08/396,453 US5619524A (en) 1994-10-04 1995-02-28 Method and apparatus for coherent communication reception in a spread-spectrum communication system
PCT/US1995/009774 WO1996010879A1 (en) 1994-10-04 1995-07-31 Method and apparatus for coherent communication reception in a spread-spectrum communication system

Publications (1)

Publication Number Publication Date
BR9506385A true BR9506385A (pt) 1997-09-16

Family

ID=26980993

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9506385A BR9506385A (pt) 1994-10-04 1995-07-31 Processo para recepção de espectro difuso coerente de espectro difuso coerente

Country Status (11)

Country Link
US (1) US5619524A (pt)
EP (1) EP0732022B1 (pt)
JP (1) JP3679415B2 (pt)
CN (1) CN1149802C (pt)
BR (1) BR9506385A (pt)
CA (1) CA2176945C (pt)
DE (1) DE69531042T2 (pt)
FI (1) FI113227B (pt)
IL (1) IL114836A (pt)
PL (1) PL314846A1 (pt)
WO (1) WO1996010879A1 (pt)

Families Citing this family (145)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE503893C2 (sv) * 1994-07-15 1996-09-30 Ericsson Telefon Ab L M Förfarande och anordning för frekvenshoppning i ett radiokommunikationssystem
JP2596392B2 (ja) * 1994-11-16 1997-04-02 日本電気株式会社 データレート検出器
WO1997029550A1 (en) * 1996-02-07 1997-08-14 L.S. Research, Inc. Digital wireless speaker system
US6816473B2 (en) 1995-06-30 2004-11-09 Interdigital Technology Corporation Method for adaptive forward power control for spread-spectrum communications
US6788662B2 (en) 1995-06-30 2004-09-07 Interdigital Technology Corporation Method for adaptive reverse power control for spread-spectrum communications
US7929498B2 (en) 1995-06-30 2011-04-19 Interdigital Technology Corporation Adaptive forward power control and adaptive reverse power control for spread-spectrum communications
US6697350B2 (en) 1995-06-30 2004-02-24 Interdigital Technology Corporation Adaptive vector correlator for spread-spectrum communications
US7123600B2 (en) * 1995-06-30 2006-10-17 Interdigital Technology Corporation Initial power control for spread-spectrum communications
US5940382A (en) 1996-06-27 1999-08-17 Interdigital Technology Corporation Virtual locating of a fixed subscriber unit to reduce re-acquisition time
US6885652B1 (en) 1995-06-30 2005-04-26 Interdigital Technology Corporation Code division multiple access (CDMA) communication system
ZA965340B (en) 1995-06-30 1997-01-27 Interdigital Tech Corp Code division multiple access (cdma) communication system
US7072380B2 (en) * 1995-06-30 2006-07-04 Interdigital Technology Corporation Apparatus for initial power control for spread-spectrum communications
US7020111B2 (en) * 1996-06-27 2006-03-28 Interdigital Technology Corporation System for using rapid acquisition spreading codes for spread-spectrum communications
KR970013834A (ko) * 1995-08-23 1997-03-29 사와무라 시코우 전송속도 추정장치(A computing apparatus of transmission rate)
JP2723094B2 (ja) * 1995-11-07 1998-03-09 日本電気株式会社 Ｃｄｍａ受信装置
FI956358A (fi) * 1995-12-29 1997-06-30 Nokia Telecommunications Oy Menetelmä tiedonsiirtonopeuden tunnistamiseksi ja vastaanotin
US5799011A (en) * 1996-03-29 1998-08-25 Motorola, Inc. CDMA power control channel estimation using dynamic coefficient scaling
JP3310160B2 (ja) * 1996-03-29 2002-07-29 松下電器産業株式会社 スペクトラム拡散方式受信装置
US6330291B1 (en) * 1996-03-29 2001-12-11 Qualcomm Inc. Frequency tracking for communication signals using M-ary orthogonal walsh modulation
US6678311B2 (en) 1996-05-28 2004-01-13 Qualcomm Incorporated High data CDMA wireless communication system using variable sized channel codes
JP3105786B2 (ja) * 1996-06-13 2000-11-06 松下電器産業株式会社 移動体通信受信機
US5805585A (en) * 1996-08-22 1998-09-08 At&T Corp. Method for providing high speed packet data services for a wireless system
US5757846A (en) * 1996-08-30 1998-05-26 Vasudevan; Subramanian CDMA communication system and method with dual-mode receiver
US6160838A (en) * 1996-12-13 2000-12-12 Uniden Corporation Spread spectrum transmitter, spread spectrum receiver and spread spectrum communication method and automatic gain control circuit for spread spectrum receiver
JPH10190626A (ja) * 1996-12-27 1998-07-21 Matsushita Electric Ind Co Ltd Ｃｄｍａ受信装置
JP3377389B2 (ja) * 1997-01-10 2003-02-17 株式会社鷹山 スペクトラム拡散無線通信方式における信号受信方法および装置
US5887031A (en) * 1997-01-29 1999-03-23 Hughes Electronics Corporation Symbol timing maintainance to enable low duty cycle receiver operation
IL120222A0 (en) * 1997-02-14 1997-06-10 D S P C Israel Ltd Method and apparatus for acquiring and tracking the sampling phase of a signal
JP3363734B2 (ja) * 1997-02-21 2003-01-08 沖電気工業株式会社 周波数制御回路
US5943331A (en) * 1997-02-28 1999-08-24 Interdigital Technology Corporation Orthogonal code synchronization system and method for spread spectrum CDMA communications
US20060262832A1 (en) * 1997-03-12 2006-11-23 Interdigital Technology Corporation Convolutionally encoding and decoding multiple data streams
US6005898A (en) * 1997-03-12 1999-12-21 Interdigital Technology Corporation Multichannel viterbi decoder
US6404828B2 (en) 1997-03-12 2002-06-11 Interdigital Technology Corporation Multichannel decoder
US6055231A (en) * 1997-03-12 2000-04-25 Interdigital Technology Corporation Continuously adjusted-bandwidth discrete-time phase-locked loop
US6154483A (en) * 1997-04-07 2000-11-28 Golden Bridge Technology, Inc. Coherent detection using matched filter enhanced spread spectrum demodulation
KR100363312B1 (ko) * 1997-05-16 2002-11-30 가부시키가이샤 엔.티.티.도코모 가변 레이트 송신 방법, 수신 방법, 가변 레이트 송신 장치 및 수신 장치
DE19724027C2 (de) * 1997-06-06 1999-09-30 Siemens Ag Verfahren und Anordnung zum Empfang von Daten
US6542481B2 (en) 1998-06-01 2003-04-01 Tantivy Communications, Inc. Dynamic bandwidth allocation for multiple access communication using session queues
US6081536A (en) 1997-06-20 2000-06-27 Tantivy Communications, Inc. Dynamic bandwidth allocation to transmit a wireless protocol across a code division multiple access (CDMA) radio link
US6084904A (en) * 1997-07-25 2000-07-04 Motorola, Inc. Method and apparatus for adjusting a power control setpoint threshold in a wireless communication system
US6345078B1 (en) * 1997-07-31 2002-02-05 Lucent Technologies Inc. Finger assignment system for a multiple finger receiver and method thereof
US6031865A (en) * 1997-08-04 2000-02-29 Motorola, Inc. Rapidly decorrelating spreading sequences for DS-CDMA transceivers
US5946346A (en) * 1997-10-07 1999-08-31 Motorola, Inc. Method and system for generating a power control command in a wireless communication system
GB2330992A (en) * 1997-11-03 1999-05-05 Nokia Mobile Phones Ltd Channel estimation in a variable data rate communication system
JP3441636B2 (ja) 1997-11-21 2003-09-02 株式会社エヌ・ティ・ティ・ドコモ チャネル推定値を求める装置および方法、受信装置ならびに伝送システム
KR100269593B1 (ko) 1997-12-02 2000-10-16 정선종 다중 채널을 위한 직교 복소 확산 방법 및 그 장치
US7936728B2 (en) * 1997-12-17 2011-05-03 Tantivy Communications, Inc. System and method for maintaining timing of synchronization messages over a reverse link of a CDMA wireless communication system
US7394791B2 (en) 1997-12-17 2008-07-01 Interdigital Technology Corporation Multi-detection of heartbeat to reduce error probability
US7496072B2 (en) 1997-12-17 2009-02-24 Interdigital Technology Corporation System and method for controlling signal strength over a reverse link of a CDMA wireless communication system
US6222832B1 (en) 1998-06-01 2001-04-24 Tantivy Communications, Inc. Fast Acquisition of traffic channels for a highly variable data rate reverse link of a CDMA wireless communication system
US9525923B2 (en) 1997-12-17 2016-12-20 Intel Corporation Multi-detection of heartbeat to reduce error probability
JP3441638B2 (ja) 1997-12-18 2003-09-02 株式会社エヌ・ティ・ティ・ドコモ チャネル推定値を求める装置および方法
US6408019B1 (en) 1997-12-29 2002-06-18 Georgia Tech Research Corporation System and method for communication using noise
US6208632B1 (en) * 1998-01-29 2001-03-27 Sharp Laboratories Of America System and method for CDMA channel estimation
US6134278A (en) * 1998-01-30 2000-10-17 Lucent Technologies Inc. Methods and apparatus for CDMA rate detection
US6208617B1 (en) * 1998-02-27 2001-03-27 Lucent Technologies, Inc. Channel tracking in a mobile receiver
US6563808B1 (en) * 1998-03-04 2003-05-13 Stanford Telecommunications, Inc. Apparatus for incorporating multiple data rates in an orthogonal direct sequence code division multiple access (ODS-CDMA) communications system
US6421399B1 (en) * 1998-03-05 2002-07-16 Agere Systems Guardian Corporation Frequency and phase estimation for MPSK signals
SE9800827L (sv) * 1998-03-13 1999-09-14 Ericsson Telefon Ab L M Mottagare
US6085104A (en) * 1998-03-25 2000-07-04 Sharp Laboratories Of America, Inc. Pilot aided, time-varying finite impulse response, adaptive channel matching receiving system and method
KR100381012B1 (ko) 1998-05-04 2003-08-19 한국전자통신연구원 부호분할 다중접속 방식에서 상향 공통 채널의 임의 접속 장치및 방법
US6366607B1 (en) 1998-05-14 2002-04-02 Interdigital Technology Corporation Processing for improved performance and reduced pilot
US6643275B1 (en) * 1998-05-15 2003-11-04 Telefonaktiebolaget Lm Ericsson (Publ) Random access in a mobile telecommunications system
US7773566B2 (en) * 1998-06-01 2010-08-10 Tantivy Communications, Inc. System and method for maintaining timing of synchronization messages over a reverse link of a CDMA wireless communication system
US8134980B2 (en) 1998-06-01 2012-03-13 Ipr Licensing, Inc. Transmittal of heartbeat signal at a lower level than heartbeat request
US6169885B1 (en) 1998-08-07 2001-01-02 Ericsson Inc Radio devices including power amplifier control circuits with hardware lockouts
US6473506B1 (en) * 1998-10-13 2002-10-29 Telefonaktiebolaget Lm Ericsson (Publ) Signaling using phase rotation techniques in a digital communications system
GB9818378D0 (en) * 1998-08-21 1998-10-21 Nokia Mobile Phones Ltd Receiver
US6487255B1 (en) 1998-08-31 2002-11-26 Ericsson Inc. Information generation for coherent demodulation of differentially encoded signals
US6125137A (en) * 1998-09-11 2000-09-26 Motorola, Inc. Apparatus and method for performing a signal search in a coherent wireless communication system
JP3795756B2 (ja) 1998-10-27 2006-07-12 シーメンス アクチエンゲゼルシヤフト 移動局及び／又は固定送信局／受信局間でワイヤレス電気通信を行う電気通信システム、”アーリー／レートトラッキング”を有する”ｒａｋｅ”−受信機でのメモリアクセスの制御方法
CA2282800C (en) * 1998-11-09 2007-07-31 Lucent Technologies Inc. A coherent combining/noncoherent detection (ccnd) method and apparatus for detecting a pilot signal in a wireless communication system
JP2000216754A (ja) * 1998-11-18 2000-08-04 Advantest Corp Ｗ―ｃｄｍａ解析装置、ｗ―ｃｄｍａ解析結果表示方法およびｗ―ｃｄｍａ解析結果表示プログラムを記録した記録媒体
US6314148B1 (en) 1998-12-08 2001-11-06 Ericsson Inc Synchronization tracking method
US6535736B1 (en) 1998-12-11 2003-03-18 Lucent Technologies Inc. System and method for variably delaying access requests in wireless communications system
MY130820A (en) * 1998-12-16 2007-07-31 Ericsson Telefon Ab L M Channel estimation for a cdma system using pre-defined symbols in addition to pilot symbols
ATE358872T1 (de) 1999-01-07 2007-04-15 Tellabs Operations Inc Verfahren und vorrichtung zur adaptiven rauschunterdrückung
JP2000295200A (ja) * 1999-04-01 2000-10-20 Matsushita Electric Ind Co Ltd 干渉信号除去装置
EP2146468B1 (en) * 1999-04-02 2011-01-05 NTT DoCoMo, Inc. Fading frequency decision device and method
CN100517999C (zh) * 1999-04-02 2009-07-22 株式会社Ntt都科摩 衰落频率判定装置和方法
US6363102B1 (en) * 1999-04-23 2002-03-26 Qualcomm Incorporated Method and apparatus for frequency offset correction
US6549594B1 (en) * 1999-05-28 2003-04-15 Nortel Networks Timing phase recovery method and apparatus
FR2794314B1 (fr) * 1999-05-31 2004-12-24 Korea Electronics Telecomm Dispositif et procede de modulation d'un message de donnees en utilisant des codes de facteur d'etalement variable orthogonal (ovsf) dans un systeme de telecommunications du service mobile
US6674815B2 (en) * 1999-06-16 2004-01-06 Ericsson, Inc Method for symbol-spaced estimation and/or tracking of a fractionally-spaced fading radio channel
WO2001001605A1 (en) * 1999-06-28 2001-01-04 Lucent Technologies Inc. High-speed data services using multiple transmit antennas
DE19935480A1 (de) 1999-07-28 2001-02-22 Infineon Technologies Ag Verfahren zur Schätzung der Kanalimpulsantworten eines Mobilfunkkanals
US6594286B2 (en) 1999-08-12 2003-07-15 Qualcomm Incorporated Method and apparatus for coherent demodulation in communication system employing a potentially gated pilot signal
FR2797736B1 (fr) * 1999-08-19 2001-10-12 Mitsubishi Electric France Procede de configuration d'un systeme de telecommunications
CN1192567C (zh) * 1999-09-09 2005-03-09 诺基亚公司 基于功率频谱密度估计的数据速率确定
US6301291B1 (en) 2000-02-03 2001-10-09 Tantivy Communications, Inc. Pilot symbol assisted modulation and demodulation in wireless communication systems
WO2001058044A2 (en) 2000-02-07 2001-08-09 Tantivy Communications, Inc. Minimal maintenance link to support synchronization
DE10006520A1 (de) * 2000-02-15 2001-09-06 Infineon Technologies Ag Verfahren zur Schätzung von Kanalparametern von Funkkanälen eines W-CDMA-Mobilfunksystems
US6801564B2 (en) * 2000-02-23 2004-10-05 Ipr Licensing, Inc. Reverse link correlation filter in wireless communication systems
ES2300884T3 (es) 2000-03-28 2008-06-16 Interdigital Technology Corporation Sistema cdma que usa pre-rotacion antes de la transmision.
US6683903B1 (en) 2000-04-27 2004-01-27 Motorola, Inc. Method and apparatus for synchronization within a spread-spectrum communication system
US7386511B2 (en) * 2000-04-28 2008-06-10 Netdeposit Inc. Methods and systems for processing financial instrument deposits
US7475040B2 (en) 2000-04-28 2009-01-06 Netdeposit, Inc. Return item early notification and return
US7216106B1 (en) 2000-04-28 2007-05-08 Netdeposit, Inc. Method and system for processing financial instrument deposits physically remote from a financial institution
US7181430B1 (en) * 2000-04-28 2007-02-20 Netdeposit, Inc. Method and system for processing financial instrument deposits physically remote from a financial institution
AU2001274521A1 (en) * 2000-06-15 2001-12-24 Sanyo Electric Co., Ltd. Receiving device and receiving method
AU2001283124A1 (en) * 2000-07-31 2002-02-13 Morphics Technology, Inc. Generic finger architecture for spread spectrum applications
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
JP3464645B2 (ja) * 2000-08-30 2003-11-10 松下電器産業株式会社 無線受信装置
US6542483B1 (en) * 2000-11-08 2003-04-01 Motorola, Inc. Method and an apparatus for Eb/Nt estimation for forward power control in spread spectrum communications systems
US8155096B1 (en) 2000-12-01 2012-04-10 Ipr Licensing Inc. Antenna control system and method
US7023901B2 (en) * 2001-01-23 2006-04-04 Texas Instruments Incorporated Spreading factor estimation system and method
EP1225708A3 (en) * 2001-01-23 2003-08-20 Texas Instruments Incorporated Spreading factor estimation system and method
US6954448B2 (en) 2001-02-01 2005-10-11 Ipr Licensing, Inc. Alternate channel for carrying selected message types
US7551663B1 (en) 2001-02-01 2009-06-23 Ipr Licensing, Inc. Use of correlation combination to achieve channel detection
US7035315B2 (en) * 2001-04-24 2006-04-25 Lucent Technologies Inc. Doppler corrected communications receiver and method of removing doppler frequency shift
KR100665077B1 (ko) 2001-06-13 2007-01-09 탄티비 커뮤니케이션즈 인코포레이티드 하트비트 요구보다 낮은 레벨로의 하트비트 신호의 전송
JP3866535B2 (ja) * 2001-06-26 2007-01-10 株式会社東芝 符号分割多重通信装置及びその伝送路補正タイミング制御方法
CN1238985C (zh) * 2001-11-09 2006-01-25 株式会社Ntt都科摩 传输***、传输方法和传输装置
US6775341B2 (en) * 2001-11-30 2004-08-10 Motorola, Inc. Time recovery circuit and method for synchronizing timing of a signal in a receiver to timing of the signal in a transmitter
US6748009B2 (en) * 2002-02-12 2004-06-08 Interdigital Technology Corporation Receiver for wireless telecommunication stations and method
CN1630990A (zh) * 2002-02-12 2005-06-22 美商内数位科技公司 无线电信站的接收器及方法
US6748013B2 (en) 2002-02-12 2004-06-08 Interdigital Technology Corporation Receiver for wireless telecommunication stations and method
US7558314B2 (en) * 2002-09-23 2009-07-07 Telefonaktiebolaget L M Ericsson (Publ) Method and device for detection of a UMTS signal
US7286481B2 (en) * 2002-12-17 2007-10-23 Intel Corporation Wireless network adapted to transmit channel side information and method thereof
US7221696B1 (en) * 2003-03-03 2007-05-22 Itt Manufacturing Enterprises, Inc. Communication system and method for acquiring pseudonoise codes or carrier signals under conditions of relatively large chip rate uncertainty
US7555067B2 (en) * 2003-03-13 2009-06-30 Texas Instruments Incorporated Method and apparatus for decoder input scaling based on interference estimation in CDMA
DE10322943B4 (de) * 2003-05-21 2005-10-06 Infineon Technologies Ag Hardware-Vorrichtung zur Aufbereitung von Pilotsymbolen für eine Kanalschätzung mittels adaptiver Tiefpassfilterung
KR100547786B1 (ko) * 2003-08-09 2006-01-31 삼성전자주식회사 이동통신 시스템에서의 타이밍 에러 검출 방법 및 장치
US7684408B2 (en) 2003-09-30 2010-03-23 Mitsubishi Denki Kabushiki Kaisha Communication mode control method, mobile communication system, base station control apparatus, base station, and mobile communication terminal
PL1909448T3 (pl) 2004-12-23 2014-03-31 Electronics & Telecommunications Res Inst Urządzenie do nadawania i odbierania danych do zapewnienia szybkiej komunikacji danych oraz stosowny sposób
US7684473B2 (en) * 2005-06-01 2010-03-23 Qualcomm Incorporated Receiver for wireless communication network with extended range
JP4179418B2 (ja) * 2005-07-13 2008-11-12 京セラ株式会社 無線受信装置
US7764741B2 (en) * 2005-07-28 2010-07-27 Broadcom Corporation Modulation-type discrimination in a wireless communication network
WO2007020626A1 (en) * 2005-08-18 2007-02-22 Hill, Hanit Selecter A wireless mobile communication system without pilot signals
CN100448175C (zh) * 2005-09-19 2008-12-31 浙江华立通信集团有限公司 多径指峰时间追踪器
KR100974461B1 (ko) 2005-09-22 2010-08-10 미쓰비시덴키 가부시키가이샤 통신 방법
US7474640B2 (en) * 2005-09-28 2009-01-06 Intel Corporation System, method and device of interference mitigation in wireless communication
US8126098B2 (en) 2006-09-12 2012-02-28 Marvell World Trade Ltd. Multi-rake receiver
US7831002B2 (en) * 2006-10-11 2010-11-09 The Boeing Company System, apparatus and method for synchronizing a spreading sequence transmitted during a plurality of time slots
US7990929B2 (en) * 2007-11-27 2011-08-02 Harris Corporation Wireless communications device including rake finger stage providing frequency correction and related methods
US7957453B2 (en) * 2008-03-20 2011-06-07 Raytheon Company Method for operating a rake receiver
US7986265B2 (en) * 2008-08-29 2011-07-26 Interstate Electronics Corporation Systems and methods for determining a rotational position of an object
CN101478328B (zh) * 2008-12-31 2012-09-05 中兴通讯股份有限公司 一种频偏估计和补偿方法和装置
US20110080517A1 (en) * 2009-10-01 2011-04-07 The Directv Group, Inc. Phase noise and frequency error resilient demodulation scheme for moca
EP2712136B1 (en) * 2012-09-20 2015-02-25 Nxp B.V. Channel frequency response estimation and tracking for time- and frequency varying communication channels
US9983315B1 (en) 2015-05-29 2018-05-29 Interstate Electronics Corporation Satellite navigation receiver for a rapidly rotating object with improved resistance to jamming
JP6721977B2 (ja) * 2015-12-15 2020-07-15 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 音声音響信号符号化装置、音声音響信号復号装置、音声音響信号符号化方法、及び、音声音響信号復号方法
CN105610488B (zh) * 2015-12-18 2019-01-08 哈尔滨工业大学 一种星间自零差相干光通信接收***的多普勒效应在轨补偿方法
CN111614373B (zh) * 2020-05-20 2021-08-10 北京升哲科技有限公司 扩频信号发送、扩频信号接收方法、装置、设备及介质
US20240030998A1 (en) * 2022-07-21 2024-01-25 Apple Inc. Multiple receiver combining for wireless communications

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5103459B1 (en) * 1990-06-25 1999-07-06 Qualcomm Inc System and method for generating signal waveforms in a cdma cellular telephone system
JP3264925B2 (ja) * 1991-11-08 2002-03-11 アトメル コーポレイション 無線通信システム
US5428647A (en) * 1992-12-07 1995-06-27 Motorola, Inc. Method and apparatus for synchronizing a received signal in a digital radio communication system
US5396516A (en) * 1993-02-22 1995-03-07 Qualcomm Incorporated Method and system for the dynamic modification of control paremeters in a transmitter power control system
US5329547A (en) * 1993-03-11 1994-07-12 Motorola, Inc. Method and apparatus for coherent communication in a spread-spectrum communication system
US5361276A (en) * 1993-09-13 1994-11-01 At&T Bell Laboratories All digital maximum likelihood based spread spectrum receiver
US5412686A (en) * 1993-09-17 1995-05-02 Motorola Inc. Method and apparatus for power estimation in a communication system

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FI962326A (fi) 1996-06-04
DE69531042D1 (de) 2003-07-17
JPH09507014A (ja) 1997-07-08
JP3679415B2 (ja) 2005-08-03
EP0732022B1 (en) 2003-06-11
CN1149802C (zh) 2004-05-12
EP0732022A4 (en) 2000-11-29
CA2176945A1 (en) 1996-04-11
WO1996010879A1 (en) 1996-04-11
US5619524A (en) 1997-04-08
EP0732022A1 (en) 1996-09-18
PL314846A1 (en) 1996-09-30
IL114836A0 (en) 1995-12-08
IL114836A (en) 1998-12-27
FI962326A0 (fi) 1996-06-04
DE69531042T2 (de) 2003-12-11
CA2176945C (en) 2000-06-06
FI113227B (fi) 2004-03-15

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