AU4482500A - Method and apparatus for processing a punctured pilot channel - Google Patents

Method and apparatus for processing a punctured pilot channel

Info

Publication number
AU4482500A
AU4482500A AU44825/00A AU4482500A AU4482500A AU 4482500 A AU4482500 A AU 4482500A AU 44825/00 A AU44825/00 A AU 44825/00A AU 4482500 A AU4482500 A AU 4482500A AU 4482500 A AU4482500 A AU 4482500A
Authority
AU
Australia
Prior art keywords
pilot channel
symbols
sign
punctured
information
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
AU44825/00A
Other languages
English (en)
Inventor
Luca Blessent
Quaeed Motiwala
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of AU4482500A publication Critical patent/AU4482500A/en
Abandoned legal-status Critical Current

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)
  • Editing Of Facsimile Originals (AREA)
  • Management Or Editing Of Information On Record Carriers (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
AU44825/00A 1999-04-23 2000-04-21 Method and apparatus for processing a punctured pilot channel Abandoned AU4482500A (en)

Applications Claiming Priority (3)

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
US09298394 1999-04-23
PCT/US2000/010855 WO2000065749A1 (en) 1999-04-23 2000-04-21 Method and apparatus for processing a punctured pilot channel

Publications (1)

Publication Number Publication Date
AU4482500A true AU4482500A (en) 2000-11-10

Family

ID=23150316

Family Applications (1)

Application Number Title Priority Date Filing Date
AU44825/00A Abandoned AU4482500A (en) 1999-04-23 2000-04-21 Method and apparatus for processing a punctured pilot channel

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
ATE492074T1 (de) * 1998-07-28 2011-01-15 Samsung Electronics Co Ltd Geschaltete übertragung im steuerhaltestatus in einem cdma kommunikationssystem
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
AU2001283124A1 (en) * 2000-07-31 2002-02-13 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
MXPA04011588A (es) 2002-06-21 2005-03-07 Widefi Inc Repetidor de red de area local inalambrica.
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
US8060009B2 (en) 2002-10-15 2011-11-15 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
KR20050086572A (ko) 2002-11-15 2005-08-30 위데피, 인코포레이티드 검출을 하는 wlan 중계기
AU2003300938A1 (en) 2002-12-16 2004-07-29 Widefi, Inc. Improved wireless network repeater
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
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
KR20070026558A (ko) 2004-06-03 2007-03-08 위데피, 인코포레이티드 저가의 고성능 국부 발진기 구조를 갖는 주파수 변환반복기
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
CA2667470A1 (en) 2006-10-26 2008-05-15 Qualcomm Incorporated Repeater techniques for multiple input multiple output utilizing beam formers
US7936839B2 (en) * 2007-12-13 2011-05-03 Telefonaktiebolaget Lm Ericsson (Publ) MIMO/transmit diversity channel estimation
US8213526B2 (en) * 2007-12-13 2012-07-03 Telefonaktiebolaget Lm Ericsson (Publ) MIMO/transmit diversity channel estimation
US9059824B2 (en) * 2009-02-02 2015-06-16 Texas Instruments Incorporated Joint processing down link coordinated multi-point reference signal support
US8243696B2 (en) * 2009-02-02 2012-08-14 Texas Instruments Incorporated Joint processing downlink 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
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
US5485486A (en) 1989-11-07 1996-01-16 Qualcomm Incorporated 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
ATE492074T1 (de) * 1998-07-28 2011-01-15 Samsung Electronics Co Ltd Geschaltete übertragung im steuerhaltestatus in einem cdma kommunikationssystem
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
US6304563B1 (en) 2001-10-16
US20020009064A1 (en) 2002-01-24
HK1043889A1 (en) 2002-09-27
ATE282909T1 (de) 2004-12-15
JP2002543664A (ja) 2002-12-17
DE60015969T2 (de) 2005-11-10
KR20010109358A (ko) 2001-12-08
BR0009924A (pt) 2002-12-31
EP1186116B1 (en) 2004-11-17
US7471657B2 (en) 2008-12-30
CN1348640A (zh) 2002-05-08
JP4510302B2 (ja) 2010-07-21
CN1172455C (zh) 2004-10-20
HK1043889B (zh) 2005-05-13
DE60015969D1 (de) 2004-12-23
EP1186116A1 (en) 2002-03-13
WO2000065749A1 (en) 2000-11-02
KR100871353B1 (ko) 2008-12-02
KR100868402B1 (ko) 2008-11-11
KR20070033478A (ko) 2007-03-26
TW499801B (en) 2002-08-21

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase