CN100539455C - 无线通信系统中跟踪信号的方法和装置 - Google Patents

无线通信系统中跟踪信号的方法和装置 Download PDF

Info

Publication number
CN100539455C
CN100539455C CNB028059808A CN02805980A CN100539455C CN 100539455 C CN100539455 C CN 100539455C CN B028059808 A CNB028059808 A CN B028059808A CN 02805980 A CN02805980 A CN 02805980A CN 100539455 C CN100539455 C CN 100539455C
Authority
CN
China
Prior art keywords
lock
filter
received signal
energy
output
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.)
Expired - Fee Related
Application number
CNB028059808A
Other languages
English (en)
Chinese (zh)
Other versions
CN1599985A (zh
Inventor
P·E·本德
P·J·布莱克
J·蒙托约
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 CN1599985A publication Critical patent/CN1599985A/zh
Application granted granted Critical
Publication of CN100539455C publication Critical patent/CN100539455C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

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
    • H04B1/7097Interference-related aspects
    • H04B1/711Interference-related aspects the interference being multi-path interference
    • H04B1/7115Constructive combining of multi-path signals, i.e. RAKE receivers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04Transmission power control [TPC]
    • H04W52/38TPC being performed in particular situations
    • H04W52/40TPC being performed in particular situations during macro-diversity or soft handoff
    • 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
    • H04B1/7115Constructive combining of multi-path signals, i.e. RAKE receivers
    • H04B1/7117Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04Transmission power control [TPC]
    • H04W52/06TPC algorithms
    • H04W52/08Closed loop power control

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Relay Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Transmitters (AREA)
CNB028059808A 2001-03-08 2002-02-22 无线通信系统中跟踪信号的方法和装置 Expired - Fee Related CN100539455C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/803,234 US7068707B2 (en) 2001-03-08 2001-03-08 Method and apparatus for tracking signals in a wireless communication system
US09/803,234 2001-03-08

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN2006101628738A Division CN101030788B (zh) 2001-03-08 2002-02-22 无线通信系统中跟踪信号的方法和装置

Publications (2)

Publication Number Publication Date
CN1599985A CN1599985A (zh) 2005-03-23
CN100539455C true CN100539455C (zh) 2009-09-09

Family

ID=25185974

Family Applications (2)

Application Number Title Priority Date Filing Date
CNB028059808A Expired - Fee Related CN100539455C (zh) 2001-03-08 2002-02-22 无线通信系统中跟踪信号的方法和装置
CN2006101628738A Expired - Fee Related CN101030788B (zh) 2001-03-08 2002-02-22 无线通信系统中跟踪信号的方法和装置

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN2006101628738A Expired - Fee Related CN101030788B (zh) 2001-03-08 2002-02-22 无线通信系统中跟踪信号的方法和装置

Country Status (11)

Country Link
US (1) US7068707B2 (https=)
EP (1) EP1366577B1 (https=)
JP (3) JP4668516B2 (https=)
KR (1) KR100874093B1 (https=)
CN (2) CN100539455C (https=)
AT (1) ATE479237T1 (https=)
AU (1) AU2002238124A1 (https=)
BR (1) BR0207904A (https=)
DE (1) DE60237432D1 (https=)
TW (1) TW571598B (https=)
WO (1) WO2002073825A2 (https=)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7068707B2 (en) * 2001-03-08 2006-06-27 Qualcomm, Inc. Method and apparatus for tracking signals in a wireless communication system
CA2559482C (en) * 2001-06-07 2011-06-14 Intellectual Ventures Ii Llc Variable state length initialization for dsl systems
US7146559B2 (en) * 2001-11-30 2006-12-05 Kabushiki Kaisha Toshiba Information terminal device
US7630427B2 (en) * 2005-09-29 2009-12-08 Qualcomm Incorporated Systems, methods, and apparatus for establishing finger lock state
US7688196B2 (en) * 2006-12-19 2010-03-30 Dewayne Newell Hannah Intrinsically safe communication and tracking system
CN102223325B (zh) * 2011-06-17 2014-12-03 奥维通信股份有限公司 基于Altera的WCDMA基站锁定系统及方法
US10264478B2 (en) * 2011-12-16 2019-04-16 Samsung Electronics Co., Ltd. Methods and apparatus to enhance reliability in millimeter wave wideband communications
US10659112B1 (en) 2018-11-05 2020-05-19 XCOM Labs, Inc. User equipment assisted multiple-input multiple-output downlink configuration
US10812216B2 (en) 2018-11-05 2020-10-20 XCOM Labs, Inc. Cooperative multiple-input multiple-output downlink scheduling
US10756860B2 (en) 2018-11-05 2020-08-25 XCOM Labs, Inc. Distributed multiple-input multiple-output downlink configuration
US10432272B1 (en) 2018-11-05 2019-10-01 XCOM Labs, Inc. Variable multiple-input multiple-output downlink user equipment
WO2020112840A1 (en) 2018-11-27 2020-06-04 XCOM Labs, Inc. Non-coherent cooperative multiple-input multiple-output communications
US10756795B2 (en) 2018-12-18 2020-08-25 XCOM Labs, Inc. User equipment with cellular link and peer-to-peer link
US11063645B2 (en) 2018-12-18 2021-07-13 XCOM Labs, Inc. Methods of wirelessly communicating with a group of devices
US11330649B2 (en) 2019-01-25 2022-05-10 XCOM Labs, Inc. Methods and systems of multi-link peer-to-peer communications
US10756767B1 (en) 2019-02-05 2020-08-25 XCOM Labs, Inc. User equipment for wirelessly communicating cellular signal with another user equipment
US10686502B1 (en) 2019-04-29 2020-06-16 XCOM Labs, Inc. Downlink user equipment selection
US10735057B1 (en) 2019-04-29 2020-08-04 XCOM Labs, Inc. Uplink user equipment selection
US11411778B2 (en) 2019-07-12 2022-08-09 XCOM Labs, Inc. Time-division duplex multiple input multiple output calibration
US11411779B2 (en) 2020-03-31 2022-08-09 XCOM Labs, Inc. Reference signal channel estimation
KR20230008750A (ko) 2020-04-15 2023-01-16 엑스콤 랩스 인코퍼레이티드 무선 네트워크 멀티포인트 연관 및 다양성
WO2022241436A1 (en) 2021-05-14 2022-11-17 XCOM Labs, Inc. Scrambling identifiers for wireless communication systems

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1185702A (zh) * 1996-05-06 1998-06-24 摩托罗拉公司 功率控制和业务信道解码的分时锁定指示指令电路和方法
US5987016A (en) * 1997-11-04 1999-11-16 Motorola, Inc. Method and apparatus for tracking a communication signal in a wireless communication system
DE19849557A1 (de) * 1998-10-27 2000-03-30 Siemens Ag Verfahren zur hardwarebasierten Durchführung des Fingertracking eines Rake-Empfängers in Telekommunikationssystemen mit drahtloser Telekommunikation zwischen mobilen und/oder stationären Sende-/Empfangsgeräten, insbesondere in Mobilfunksystemen der dritten Generation
US6072807A (en) * 1997-12-09 2000-06-06 Lucent Technologies, Inc. Searching for signals to assign to the fingers of a rake receiver
WO2000033491A1 (en) * 1998-11-30 2000-06-08 Nokia Networks Oy Test facility for transceiver station
US6097972A (en) * 1997-08-29 2000-08-01 Qualcomm Incorporated Method and apparatus for processing power control signals in CDMA mobile telephone system

Family Cites Families (12)

* 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
US5103459B1 (en) 1990-06-25 1999-07-06 Qualcomm Inc System and method for generating signal waveforms in a cdma cellular telephone system
US5889768A (en) * 1996-08-30 1999-03-30 Motorola, Inc. Method of and apparatus for pilot channel acquisition
DE69721224T2 (de) * 1996-09-25 2003-11-13 Matsushita Electric Industrial Co., Ltd. Verfahren für sanftes weiterreichen in einer basisstation mit sektoren und basisstation dafür
WO2000033487A1 (en) 1998-12-01 2000-06-08 Samsung Electronics Co., Ltd. Mobile communication system having atm-based connecting scheme
US6512925B1 (en) * 1998-12-03 2003-01-28 Qualcomm, Incorporated Method and apparatus for controlling transmission power while in soft handoff
US6130923A (en) * 1998-12-11 2000-10-10 Qualcomm Incorporated Lock detection for multipath wireless receiver
JP3741571B2 (ja) * 1999-07-12 2006-02-01 沖電気工業株式会社 基地局受信装置
CA2308651C (en) 1999-07-12 2010-04-27 Nortel Networks Corporation A method of controlling base station transmitting power during soft handoff
US6628958B1 (en) * 1999-09-15 2003-09-30 Lucent Technologies Inc. Method for adjusting the transmit power level during soft handoff in wireless communication systems
CA2330988A1 (en) * 2000-02-22 2001-08-22 Lucent Technologies Inc. System and method for enhancing inter-site forward traffic capacity for a soft hand-off
US7068707B2 (en) * 2001-03-08 2006-06-27 Qualcomm, Inc. Method and apparatus for tracking signals in a wireless communication system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1185702A (zh) * 1996-05-06 1998-06-24 摩托罗拉公司 功率控制和业务信道解码的分时锁定指示指令电路和方法
US6097972A (en) * 1997-08-29 2000-08-01 Qualcomm Incorporated Method and apparatus for processing power control signals in CDMA mobile telephone system
US5987016A (en) * 1997-11-04 1999-11-16 Motorola, Inc. Method and apparatus for tracking a communication signal in a wireless communication system
US6072807A (en) * 1997-12-09 2000-06-06 Lucent Technologies, Inc. Searching for signals to assign to the fingers of a rake receiver
DE19849557A1 (de) * 1998-10-27 2000-03-30 Siemens Ag Verfahren zur hardwarebasierten Durchführung des Fingertracking eines Rake-Empfängers in Telekommunikationssystemen mit drahtloser Telekommunikation zwischen mobilen und/oder stationären Sende-/Empfangsgeräten, insbesondere in Mobilfunksystemen der dritten Generation
WO2000033491A1 (en) * 1998-11-30 2000-06-08 Nokia Networks Oy Test facility for transceiver station

Also Published As

Publication number Publication date
EP1366577B1 (en) 2010-08-25
CN101030788A (zh) 2007-09-05
EP1366577A2 (en) 2003-12-03
JP2009177805A (ja) 2009-08-06
ATE479237T1 (de) 2010-09-15
US20020126744A1 (en) 2002-09-12
WO2002073825A2 (en) 2002-09-19
JP2005505151A (ja) 2005-02-17
US7068707B2 (en) 2006-06-27
KR20030081488A (ko) 2003-10-17
DE60237432D1 (de) 2010-10-07
WO2002073825A3 (en) 2003-02-20
JP5006308B2 (ja) 2012-08-22
JP2012105308A (ja) 2012-05-31
CN101030788B (zh) 2011-07-06
KR100874093B1 (ko) 2008-12-16
JP5237432B2 (ja) 2013-07-17
AU2002238124A1 (en) 2002-09-24
CN1599985A (zh) 2005-03-23
TW571598B (en) 2004-01-11
JP4668516B2 (ja) 2011-04-13
BR0207904A (pt) 2005-06-07

Similar Documents

Publication Publication Date Title
CN100539455C (zh) 无线通信系统中跟踪信号的方法和装置
US6775252B1 (en) Dynamic adjustment of search window size in response to signal strength
US6477162B1 (en) Dynamically adjusting integration interval based on a signal strength
US7340017B1 (en) System and method for finger management in a rake receiver
JP2000196522A (ja) 制御信号を発生する装置および方法
CN100385821C (zh) 雷克接收机内的指的失锁状态期间的发送功率控制
CA2403996C (en) Efficient detection of general paging messages in poor signal to noise environments
HK1073942A (en) Method and apparatus for tracking signals in a wireless communication system
HK1105052A (en) Method and apparatus for tracking signals in a wireless communication system
HK1077418B (en) Transmit power control during condition of out-of-lock for fingers in a rake receiver

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
REG Reference to a national code

Ref country code: HK

Ref legal event code: DE

Ref document number: 1073942

Country of ref document: HK

C14 Grant of patent or utility model
GR01 Patent grant
REG Reference to a national code

Ref country code: HK

Ref legal event code: WD

Ref document number: 1073942

Country of ref document: HK

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090909

Termination date: 20210222