CA2317142C - Method and system for controlling forward transmit power in a wireless system - Google Patents

Method and system for controlling forward transmit power in a wireless system Download PDF

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Publication number
CA2317142C
CA2317142C CA002317142A CA2317142A CA2317142C CA 2317142 C CA2317142 C CA 2317142C CA 002317142 A CA002317142 A CA 002317142A CA 2317142 A CA2317142 A CA 2317142A CA 2317142 C CA2317142 C CA 2317142C
Authority
CA
Canada
Prior art keywords
channel
pilot
channels
soft hand
mobile station
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
CA002317142A
Other languages
English (en)
French (fr)
Other versions
CA2317142A1 (en
Inventor
Raafat Edward Kamel
Wen-Yi Kuo
Martin Howard Meyers
Carl Francis Weaver
Xiao Cheng Wu
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.)
Nokia of America Corp
Original Assignee
Lucent Technologies 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 Lucent Technologies Inc filed Critical Lucent Technologies Inc
Publication of CA2317142A1 publication Critical patent/CA2317142A1/en
Application granted granted Critical
Publication of CA2317142C publication Critical patent/CA2317142C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/38—TPC being performed in particular situations
    • H04W52/50—TPC being performed in particular situations at the moment of starting communication in a multiple access environment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/06—TPC algorithms
    • H04W52/14—Separate analysis of uplink or downlink
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/06—TPC algorithms
    • H04W52/12—Outer and inner loops
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/06—TPC algorithms
    • H04W52/14—Separate analysis of uplink or downlink
    • H04W52/146—Uplink power control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/38—TPC being performed in particular situations
    • H04W52/40—TPC being performed in particular situations during macro-diversity or soft handoff

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transmitters (AREA)
CA002317142A 1999-09-02 2000-08-30 Method and system for controlling forward transmit power in a wireless system Expired - Fee Related CA2317142C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/389,080 1999-09-02
US09/389,080 US6496531B1 (en) 1999-09-02 1999-09-02 Method and system for controlling forward transmit power in a wireless system

Publications (2)

Publication Number Publication Date
CA2317142A1 CA2317142A1 (en) 2001-03-02
CA2317142C true CA2317142C (en) 2004-04-13

Family

ID=23536724

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002317142A Expired - Fee Related CA2317142C (en) 1999-09-02 2000-08-30 Method and system for controlling forward transmit power in a wireless system

Country Status (6)

Country Link
US (1) US6496531B1 (enExample)
EP (1) EP1081876B1 (enExample)
JP (1) JP3964112B2 (enExample)
KR (1) KR100722067B1 (enExample)
CA (1) CA2317142C (enExample)
DE (1) DE60045885D1 (enExample)

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KR20030077733A (ko) * 2002-03-26 2003-10-04 삼성전자주식회사 고속 순방향 패킷 접속 방식을 사용하는 통신 시스템에서순방향 채널 품질을 보고하기 위한 채널 품질 보고 패턴결정 장치 및 방법
CN1192530C (zh) * 2002-04-08 2005-03-09 华为技术有限公司 高速数据包接入系统软切换中上行控制信道功率控制方法
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ATE332616T1 (de) * 2002-10-15 2006-07-15 Lucent Technologies Inc Verfahren zur auswahl von zellen von basisstationen für eine soft-handover-verbindung, und ein netzwerk für mobilübertragungssysteme
US7477618B2 (en) * 2002-10-25 2009-01-13 Qualcomm Incorporated Method and apparatus for stealing power or code for data channel operations
KR100953632B1 (ko) * 2002-12-31 2010-04-20 엘지전자 주식회사 물리 채널의 전송 전력 제어 방법
US7450556B2 (en) * 2003-07-10 2008-11-11 Via Telecom Co., Ltd. Method and apparatus estimating cell interference and noise for CDMA packet data channels
JP4170341B2 (ja) * 2003-09-04 2008-10-22 富士通株式会社 通信システム及びハンドオーバ通信方法
US7873009B2 (en) * 2003-12-22 2011-01-18 Telefonaktiebolaget L M Ericsson (Publ) Method and system of radio communications of traffic with different characteristics
US7583975B2 (en) * 2004-03-08 2009-09-01 Intel Corporation Adaptive transmit power control in wireless devices
CN1938967A (zh) * 2004-03-30 2007-03-28 松下电器产业株式会社 基站装置、移动台装置和数据信道的分配方法
US7636322B1 (en) 2005-03-07 2009-12-22 Sprint Spectrum L.P. Method and system for management of RF access probes based on RF conditions
US20070066232A1 (en) * 2005-09-22 2007-03-22 Black Peter J Pilot grouping and route protocols in multi-carrier communication systems
US8150408B2 (en) * 2005-03-08 2012-04-03 Qualcomm Incorporated Pilot grouping and set management in multi-carrier communication systems
US8369271B2 (en) * 2005-04-22 2013-02-05 Alcatel Lucent Method of configuring a cell of a wireless communication system for improved resource utilization
US8712422B1 (en) 2005-05-18 2014-04-29 Sprint Spectrum L.P. Dynamic allocation of access channels based on access channel occupancy in a cellular wireless communication system
KR100975715B1 (ko) * 2005-06-27 2010-08-12 삼성전자주식회사 이동통신 시스템에서의 핸드오프 결정 방법 및 이를 지원하는 시스템
US20070008944A1 (en) * 2005-07-06 2007-01-11 Qian Zhang Method and system for spreading and scrambling downlike physical channels
US20070008923A1 (en) * 2005-07-08 2007-01-11 Tandon Tarun K Method and system for allocating transmit power among a plurality of channels in a wireless communication system
CN101352056B (zh) * 2006-03-03 2012-08-08 中兴通讯股份有限公司 一种集群系统中的载频指配方法
US7414529B2 (en) * 2006-08-04 2008-08-19 International Business Machines Corporation Disablement of camera functionality for a portable device
JP4797888B2 (ja) * 2006-08-31 2011-10-19 株式会社日立製作所 複数の無線リソースを用いて通信する無線通信システム、制御ノード、および基地局
US9516580B2 (en) * 2007-03-19 2016-12-06 Texas Instruments Incorporated Enabling down link reception of system and control information from intra-frequency neighbors without gaps in the serving cell in evolved-UTRA systems
CN101772978A (zh) * 2007-08-10 2010-07-07 艾利森电话股份有限公司 切换和e-utran中的或与之相关的改进
US8493919B2 (en) * 2007-09-21 2013-07-23 Qualcomm Incorporated Interference mitigation in a wireless communication system
US8140107B1 (en) 2008-01-04 2012-03-20 Sprint Spectrum L.P. Method and system for selective power control of wireless coverage areas
US9185588B2 (en) 2009-08-24 2015-11-10 Samsung Electronics Co., Ltd. Method and device for sending and receiving a broadcast control channel in a mobile communication system
US8509699B1 (en) 2009-09-22 2013-08-13 Sprint Spectrum L.P. Method and system for adjusting access parameters in response to surges in paging buffer occupancy
KR20120140000A (ko) * 2011-06-20 2012-12-28 삼성전자주식회사 기기간 통신을 위한 동기 획득 방법 및 장치
US8989041B2 (en) 2012-05-14 2015-03-24 Qualcomm Incorporated Apparatus and method for controlling an access probe transmit power according to a reverse link underload condition
US9438283B2 (en) * 2014-05-23 2016-09-06 Intel Corporation Baseband time domain cancellation of data bus interference
US9942412B1 (en) 2014-09-08 2018-04-10 Sprint Spectrum L.P. Use of contention-free random-access preamble in paging process
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JP3352593B2 (ja) * 1996-05-22 2002-12-03 株式会社エヌ・ティ・ティ・ドコモ 移動通信システムおよび移動通信システムにおけるソフトハンドオーバ中送信電力制御方法
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KR100276698B1 (ko) * 1997-11-17 2001-02-01 정선종 코드분할다중접속셀룰러이동통신시스템에서소프트핸드오프시의순방향링크전력제어방법및장치
US6154659A (en) * 1997-12-24 2000-11-28 Nortel Networks Limited Fast forward link power control in a code division multiple access system
US6539226B1 (en) * 1998-02-16 2003-03-25 Nec Corporation Base station transmission power control system mobile station and base station
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US6144861A (en) * 1998-04-07 2000-11-07 Telefonaktiebolaget Lm Ericsson Downlink power control in a cellular mobile radio communications system
US6216004B1 (en) * 1998-06-23 2001-04-10 Qualcomm Incorporated Cellular communication system with common channel soft handoff and associated method
US6353602B1 (en) * 1998-08-07 2002-03-05 Lucent Technologies Inc. CDMA base station assisted soft handoff
JP3204310B2 (ja) * 1998-08-12 2001-09-04 日本電気株式会社 Ｃｄｍａ移動通信システムおよびその下り送信電力制御方法
US6351460B1 (en) * 1999-05-24 2002-02-26 Qualcomm Incorporated Method and apparatus for a dedicated control channel in an early soft handoff in a code division multiple access communication system

Also Published As

Publication number Publication date
EP1081876A3 (en) 2006-05-24
EP1081876A2 (en) 2001-03-07
KR100722067B1 (ko) 2007-05-25
EP1081876B1 (en) 2011-04-27
JP2001128219A (ja) 2001-05-11
DE60045885D1 (de) 2011-06-09
US6496531B1 (en) 2002-12-17
KR20010050301A (ko) 2001-06-15
CA2317142A1 (en) 2001-03-02
JP3964112B2 (ja) 2007-08-22

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