HK1043889B - 用來處理穿刺導頻信道的方法和設備 - Google Patents

用來處理穿刺導頻信道的方法和設備

Info

Publication number
HK1043889B
HK1043889B HK02105486.8A HK02105486A HK1043889B HK 1043889 B HK1043889 B HK 1043889B HK 02105486 A HK02105486 A HK 02105486A HK 1043889 B HK1043889 B HK 1043889B
Authority
HK
Hong Kong
Prior art keywords
pilot channel
symbols
sign
punctured
information
Prior art date
Application number
HK02105486.8A
Other languages
English (en)
Chinese (zh)
Other versions
HK1043889A1 (en
Inventor
L‧布萊斯恩特
Q‧莫蒂瓦拉
Original Assignee
高通股份有限公司
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 高通股份有限公司 filed Critical 高通股份有限公司
Publication of HK1043889A1 publication Critical patent/HK1043889A1/xx
Publication of HK1043889B publication Critical patent/HK1043889B/zh

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
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/709Correlator structure
    • H04B1/7093Matched filter type
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/18TPC being performed according to specific parameters
    • H04W52/20TPC being performed according to specific parameters using error rate
    • 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
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/7097Interference-related aspects
    • H04B1/711Interference-related aspects the interference being multi-path interference
    • H04B1/7113Determination of path profile
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B2201/00Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70701Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/0014Carrier regulation
    • H04L2027/0044Control loops for carrier regulation
    • H04L2027/0046Open loops
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/0014Carrier regulation
    • H04L2027/0044Control loops for carrier regulation
    • H04L2027/0063Elements of loops
    • H04L2027/0065Frequency error detectors
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/0014Carrier regulation
    • H04L2027/0083Signalling arrangements
    • H04L2027/0089In-band signals
    • H04L2027/0093Intermittant signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202Channel estimation
    • H04L25/0224Channel estimation using sounding signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/06TPC algorithms
    • H04W52/14Separate analysis of uplink or downlink
    • H04W52/143Downlink power control

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Circuits Of Receivers In General (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Management Or Editing Of Information On Record Carriers (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
HK02105486.8A 1999-04-23 2002-07-25 用來處理穿刺導頻信道的方法和設備 HK1043889B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/298,394 US6304563B1 (en) 1999-04-23 1999-04-23 Method and apparatus for processing a punctured pilot channel
PCT/US2000/010855 WO2000065749A1 (en) 1999-04-23 2000-04-21 Method and apparatus for processing a punctured pilot channel

Publications (2)

Publication Number Publication Date
HK1043889A1 HK1043889A1 (en) 2002-09-27
HK1043889B true HK1043889B (zh) 2005-05-13

Family

ID=23150316

Family Applications (1)

Application Number Title Priority Date Filing Date
HK02105486.8A HK1043889B (zh) 1999-04-23 2002-07-25 用來處理穿刺導頻信道的方法和設備

Country Status (12)

Country Link
US (2) US6304563B1 (US06304563-20011016-M00004.png)
EP (1) EP1186116B1 (US06304563-20011016-M00004.png)
JP (1) JP4510302B2 (US06304563-20011016-M00004.png)
KR (2) KR100871353B1 (US06304563-20011016-M00004.png)
CN (1) CN1172455C (US06304563-20011016-M00004.png)
AT (1) ATE282909T1 (US06304563-20011016-M00004.png)
AU (1) AU4482500A (US06304563-20011016-M00004.png)
BR (1) BR0009924A (US06304563-20011016-M00004.png)
DE (1) DE60015969T2 (US06304563-20011016-M00004.png)
HK (1) HK1043889B (US06304563-20011016-M00004.png)
TW (1) TW499801B (US06304563-20011016-M00004.png)
WO (1) WO2000065749A1 (US06304563-20011016-M00004.png)

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6865173B1 (en) * 1998-07-13 2005-03-08 Infineon Technologies North America Corp. Method and apparatus for performing an interfrequency search
JP3295037B2 (ja) * 1998-07-22 2002-06-24 沖電気工業株式会社 伝搬路推定方法及び装置、並びに伝搬路推定システム
CN1249931C (zh) * 1998-07-28 2006-04-05 三星电子株式会社 移动通信系统中在控制保持状态下的选通发送设备和方法
KR100401211B1 (ko) * 1998-09-03 2004-03-30 삼성전자주식회사 부호분할다중접속통신시스템에서역방향파일럿신호의통신장치및방법
EP1065800A1 (en) * 1999-07-02 2001-01-03 Lucent Technologies Inc. Code division multiple access system having improved pilot channels
US6631125B1 (en) * 1999-10-20 2003-10-07 Nokia Corporation Channel set-up in wideband, code division multiple access systems
US6967998B1 (en) * 1999-11-12 2005-11-22 Qualcomm Incorporated Method and apparatus for monitoring transmission quality
US6542756B1 (en) * 2000-02-29 2003-04-01 Lucent Technologies Inc. Method for detecting forward link power control bits in a communication system
US6690713B1 (en) * 2000-06-19 2004-02-10 Lucent Technologies Inc. Tracking loop for a code division multiple access (CDMA) system
US6459883B2 (en) * 2000-07-31 2002-10-01 Morphics Technology, Inc. Generic finger architecture for spread spectrum applications
US7443826B1 (en) * 2000-10-04 2008-10-28 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for automatic frequency control in a CDMA receiver
US7020218B2 (en) * 2001-06-18 2006-03-28 Arnesen David M Sliding-window transform with integrated windowing
US7002946B2 (en) * 2001-07-16 2006-02-21 Qualcomm Inc. Frequency discriminator
US7430191B2 (en) * 2001-09-10 2008-09-30 Qualcomm Incorporated Method and apparatus for performing frequency tracking based on diversity transmitted pilots in a CDMA communication system
US7020180B2 (en) * 2001-10-04 2006-03-28 Qualcomm Inc. Method and apparatus for acquiring pilots over code space and frequency errors in a CDMA communication system
US6754254B2 (en) * 2001-11-09 2004-06-22 Qualcomm Incorporated Control of transit power during out-of-lock condition
US7263119B1 (en) * 2001-11-29 2007-08-28 Marvell International Ltd. Decoding method and apparatus
JP3840412B2 (ja) * 2001-12-28 2006-11-01 株式会社日立製作所 無線端末装置
KR100869500B1 (ko) * 2001-12-29 2008-11-19 엘지전자 주식회사 통신 시스템에서 주파수 에러 정정 장치 및 방법
US7372892B2 (en) * 2002-04-29 2008-05-13 Interdigital Technology Corporation Simple and robust digital code tracking loop for wireless communication systems
US7142865B2 (en) * 2002-05-31 2006-11-28 Telefonaktie Bolaget Lm Ericsson (Publ) Transmit power control based on virtual decoding
WO2004002014A1 (en) 2002-06-21 2003-12-31 Widefi, Inc. Wireless local area network repeater
US8885688B2 (en) 2002-10-01 2014-11-11 Qualcomm Incorporated Control message management in physical layer repeater
CN100574119C (zh) 2002-10-11 2009-12-23 高通股份有限公司 操作无线局域网中转发器的方法
AU2003275001A1 (en) 2002-10-15 2004-05-04 Qualcomm Incorporated Wireless local area network repeater with automatic gain control for extending network coverage
US8078100B2 (en) 2002-10-15 2011-12-13 Qualcomm Incorporated Physical layer repeater with discrete time filter for all-digital detection and delay generation
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)
JP2006510326A (ja) 2002-12-16 2006-03-23 ワイデファイ インコーポレイテッド 改良された無線ネットワーク中継器
KR20050036521A (ko) * 2003-10-16 2005-04-20 삼성전자주식회사 주파수도약 직교주파수분할다중화 기반의이동통신시스템에서의 핸드오버 방법
US8027642B2 (en) * 2004-04-06 2011-09-27 Qualcomm Incorporated Transmission canceller for wireless local area network
EP1745567B1 (en) 2004-05-13 2017-06-14 QUALCOMM Incorporated Non-frequency translating repeater with detection and media access control
WO2005122428A2 (en) 2004-06-03 2005-12-22 Widefi, Inc. Frequency translating repeater with low cost high performance local oscillator architecture
US8009551B2 (en) * 2004-12-22 2011-08-30 Qualcomm Incorporated Initial pilot frequency selection
US8059727B2 (en) 2005-01-28 2011-11-15 Qualcomm Incorporated Physical layer repeater configuration for increasing MIMO performance
US7778311B2 (en) * 2005-10-04 2010-08-17 Sirf Technology Holdings, Inc. Bit synchronization for weak navigational satellite signals
CN1960354B (zh) * 2006-04-27 2012-04-11 北京泰美世纪科技有限公司 多载波系统中连续导频编码的发送和接收方法及装置
WO2008036401A2 (en) 2006-09-21 2008-03-27 Qualcomm Incorporated Method and apparatus for mitigating oscillation between repeaters
JP4875164B2 (ja) 2006-10-26 2012-02-15 クゥアルコム・インコーポレイテッド ビームフォーマを利用する多入力多出力のための中継器技術
US8213526B2 (en) * 2007-12-13 2012-07-03 Telefonaktiebolaget Lm Ericsson (Publ) MIMO/transmit diversity channel estimation
US7936839B2 (en) * 2007-12-13 2011-05-03 Telefonaktiebolaget Lm Ericsson (Publ) MIMO/transmit diversity channel estimation
US8243696B2 (en) * 2009-02-02 2012-08-14 Texas Instruments Incorporated Joint processing downlink coordinated multi-point reference signal support
US9059824B2 (en) * 2009-02-02 2015-06-16 Texas Instruments Incorporated Joint processing down link coordinated multi-point reference signal support
KR20140122382A (ko) * 2013-04-10 2014-10-20 한국전자통신연구원 고차변조 ofdm 전송에서 오프셋 보상 장치 및 방법
KR20140125112A (ko) * 2013-04-18 2014-10-28 한국전자통신연구원 무선 lan 시스템에서 시그널 필드의 채널 정보를 이용하여 채널을 추정하는 방법 및 시스템
US9659350B2 (en) * 2014-01-31 2017-05-23 Morpho, Inc. Image processing device and image processing method for image correction, and non-transitory computer readable recording medium thereof
DE102014214394A1 (de) * 2014-07-23 2016-01-28 Robert Bosch Gmbh Verfahren und Vorrichtung zum Bestimmen einer Frequenzablage eines Radiosignals und Empfangseinrichtung
US9503747B2 (en) * 2015-01-28 2016-11-22 Intel Corporation Threshold filtering of compressed domain data using steering vector
US10458217B2 (en) * 2016-06-01 2019-10-29 Accenture Global Solutions Limited Real-time engineering analysis based system control
KR20180092744A (ko) * 2017-02-10 2018-08-20 삼성전자주식회사 무선 통신 시스템에서 수신 신호를 컴바이닝하는 방법 및 장치
US10530905B1 (en) * 2019-04-08 2020-01-07 Nxp Usa, Inc. Frame delimiter detection

Family Cites Families (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4901307A (en) 1986-10-17 1990-02-13 Qualcomm, Inc. Spread spectrum multiple access communication system using satellite or terrestrial repeaters
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
US5485486A (en) 1989-11-07 1996-01-16 Qualcomm Incorporated Method and apparatus for controlling transmission power in a CDMA cellular mobile telephone system
US5109390A (en) 1989-11-07 1992-04-28 Qualcomm Incorporated Diversity receiver 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
US5295153A (en) 1992-04-13 1994-03-15 Telefonaktiebolaget L M Ericsson CDMA frequency allocation
ZA938324B (en) 1992-11-24 1994-06-07 Qualcomm Inc Pilot carrier dot product circuit
MY112371A (en) 1993-07-20 2001-05-31 Qualcomm Inc System and method for orthogonal spread spectrum sequence generation in variable data rate systems
JP2732783B2 (ja) * 1993-08-31 1998-03-30 沖電気工業株式会社 符号分割多元接続復調装置
WO1995007576A2 (en) 1993-09-10 1995-03-16 Amati Communications Corporation Digital sound broadcasting using a dedicated control channel
KR960003102B1 (ko) 1993-12-01 1996-03-04 재단법인 한국전자통신연구소 씨.디.엠.에이(cdma) 이동통신 기지국 변조장치의 채널 변조회로 및 그를 이용한 변조장치
FI941072A (fi) 1994-03-07 1995-09-08 Nokia Mobile Phones Ltd Tiedonsiirtomenetelmä, lähetin sekä vastaanotin
JP2993554B2 (ja) 1994-05-12 1999-12-20 エヌ・ティ・ティ移動通信網株式会社 送信電力制御法および前記送信電力制御法を用いた通信装置
US5604730A (en) 1994-07-25 1997-02-18 Qualcomm Incorporated Remote transmitter power control in a contention based multiple access system
US5920555A (en) * 1994-07-28 1999-07-06 Roke Manor Research Limited Pilot assisted direct sequence spread spectrum synchronization apparatus
US5691974A (en) * 1995-01-04 1997-11-25 Qualcomm Incorporated Method and apparatus for using full spectrum transmitted power in a spread spectrum communication system for tracking individual recipient phase, time and energy
US5764687A (en) * 1995-06-20 1998-06-09 Qualcomm Incorporated Mobile demodulator architecture for a spread spectrum multiple access communication system
US5680395A (en) * 1995-08-15 1997-10-21 Qualcomm Incorporated Method and apparatus for time division duplex pilot signal generation
US5930230A (en) 1996-05-28 1999-07-27 Qualcomm Incorporated High data rate CDMA wireless communication system
US6396804B2 (en) * 1996-05-28 2002-05-28 Qualcomm Incorporated High data rate CDMA wireless communication system
JP2785804B2 (ja) 1996-05-30 1998-08-13 日本電気株式会社 移動通信システム
FI106666B (fi) * 1997-01-24 2001-03-15 Nokia Networks Oy Tehonsäätömenetelmä epäjatkuvaan lähetykseen
US5943331A (en) * 1997-02-28 1999-08-24 Interdigital Technology Corporation Orthogonal code synchronization system and method for spread spectrum CDMA communications
EP0903871B1 (en) 1997-08-18 2004-06-30 Samsung Electronics Co., Ltd. Spread spectrum signal generating device and method
US6285663B1 (en) * 1998-06-05 2001-09-04 Telefonaktiebolaget Lm Ericsson (Publ) Increasing performance in communications by embedding one signal in another signal
CN1249931C (zh) * 1998-07-28 2006-04-05 三星电子株式会社 移动通信系统中在控制保持状态下的选通发送设备和方法
US6798736B1 (en) * 1998-09-22 2004-09-28 Qualcomm Incorporated Method and apparatus for transmitting and receiving variable rate data
US6717976B1 (en) * 1998-12-21 2004-04-06 Nortel Networks Ltd. Method and apparatus for signal to noise power ratio estimation in a multi sub-channel CDMA receiver
US6633553B1 (en) * 1998-12-31 2003-10-14 Samsung Electronics Co., Ltd. Apparatus and method for forward power controlling in CDMA mobile telecommunication system
US6788685B1 (en) * 1999-01-28 2004-09-07 Qualcomm, Incorporated Method and apparatus for controlling transmission power in a CDMA communication system
US6304581B1 (en) * 1999-02-16 2001-10-16 Motorola, Inc. Interleaving method and apparatus for orthogonal transmit diversity and multi-carriers CDMA communication systems
US6219344B1 (en) * 1999-04-21 2001-04-17 Infineon Technologies Ag Pilot aided traffic channel estimation for CDMA cellular systems
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

Also Published As

Publication number Publication date
DE60015969D1 (de) 2004-12-23
KR100871353B1 (ko) 2008-12-02
ATE282909T1 (de) 2004-12-15
CN1348640A (zh) 2002-05-08
EP1186116A1 (en) 2002-03-13
JP2002543664A (ja) 2002-12-17
EP1186116B1 (en) 2004-11-17
KR20070033478A (ko) 2007-03-26
KR100868402B1 (ko) 2008-11-11
TW499801B (en) 2002-08-21
US7471657B2 (en) 2008-12-30
JP4510302B2 (ja) 2010-07-21
US20020009064A1 (en) 2002-01-24
CN1172455C (zh) 2004-10-20
WO2000065749A1 (en) 2000-11-02
AU4482500A (en) 2000-11-10
HK1043889A1 (en) 2002-09-27
US6304563B1 (en) 2001-10-16
KR20010109358A (ko) 2001-12-08
DE60015969T2 (de) 2005-11-10
BR0009924A (pt) 2002-12-31

Similar Documents

Publication Publication Date Title
HK1043889A1 (en) Method and apparatus for processing a punctured pilot channel.
AP2000001940A0 (en) Frame structure and frame synchronization for multicarrier systems.
WO2005046178A3 (en) Method and apparatus for providing network security using security labeling
MY138261A (en) Channel estimation device, fading frequency detection device and demodulation device
WO2002037933A3 (en) System, process and software arrangement for recognizing handwritten characters
WO2003047118A3 (en) Method and apparatus for determining the log-likelihood ratio with precoding
TW200420052A (en) Improving hierarchical 8PSK performance
EP1005204A3 (en) Symbol synchronization in an OFDM receiver
WO2004075078A3 (en) Method and apparatus for fundamental operations on token sequences: computing similarity, extracting term values, and searching efficiently
GB9721769D0 (en) Device and method for representing and recognizing handwriting and an alphabet therefor
WO2002051087A3 (en) Methods and systems for extracting a joint probability from a map decision device and processing a signal using the joint probability information
EP0706273A3 (en) Method of and apparatus for demodulating a signal conveyed by multiple carriers
ATE279063T1 (de) Entzerrer mit ausgleich von gleichspannungsverschiebungen
ATE456210T1 (de) Verfahren und vorrichtung zur detektierung von null-raten-rahmen in einem kommunikationssystem
DE69928694D1 (de) System und verfahren zur erreichung von synchronisation mit zwei detektionsschwellen
WO2001088565A3 (en) Apparatus and method for identifying the points that lie on a surface of interest
WO2002060083A3 (en) Method and apparatus for detecting messages with unknown signaling characteristic
ATE393527T1 (de) Vorrichtung und verfahren zur verringerung des verhältnisses von spitzen zur durchschnittsleistung in mehrträgerkommunikationssystemen
ATE379913T1 (de) Verfahren und vorrichtung zur automatischen client-authentifizierung in einem drahtloses netzwerk, das durch peap, eap-tls oder andere erweiterbare authentifizierungsprotokolle geschützt wird
ATE389987T1 (de) Verfahren und vorrichtung zum schutz der datenintegrität
ATE333772T1 (de) Verfahren und vorrichtung zur minimierung der empfangszeit während des paging
WO2003098438A8 (fr) Appareil electronique de gestion de l'utilisation des donnees, procede, programme et support de donnees
EP1022874A3 (en) Apparatus and method for digital wireless communications
MY137776A (en) Method and apparatus to detect and decode information
DE60223422D1 (de) Verfahren und Vorrichtung zur Bereitstellung von Taktinformation in einem drahtlosen Nachrichtenübertragungsnetzwerk

Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20110421