CA2292495C - Modified downlink power control during macrodiversity - Google Patents

Modified downlink power control during macrodiversity Download PDF

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Publication number
CA2292495C
CA2292495C CA002292495A CA2292495A CA2292495C CA 2292495 C CA2292495 C CA 2292495C CA 002292495 A CA002292495 A CA 002292495A CA 2292495 A CA2292495 A CA 2292495A CA 2292495 C CA2292495 C CA 2292495C
Authority
CA
Canada
Prior art keywords
base station
base stations
power level
station
remote 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
CA002292495A
Other languages
English (en)
French (fr)
Other versions
CA2292495A1 (en
Inventor
Peter Butovitsch
Tomas Sandin
Magnus Persson
Jens Knutsson
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.)
IDTP Holdings Inc
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 US08/870,867 external-priority patent/US6259927B1/en
Priority claimed from SE9704676A external-priority patent/SE511167C2/sv
Priority claimed from US09/057,793 external-priority patent/US6085108A/en
Application filed by Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of CA2292495A1 publication Critical patent/CA2292495A1/en
Application granted granted Critical
Publication of CA2292495C publication Critical patent/CA2292495C/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
    • H04W52/40—TPC being performed in particular situations during macro-diversity or soft handoff
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/022—Site diversity; Macro-diversity
    • 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]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/36—Transmission power control [TPC] using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
CA002292495A 1997-06-06 1998-06-05 Modified downlink power control during macrodiversity Expired - Fee Related CA2292495C (en)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US08/870,867 1997-06-06
US08/870,867 US6259927B1 (en) 1997-06-06 1997-06-06 Transmit power control in a radio communication system
US6960797P 1997-12-15 1997-12-15
SE9704676A SE511167C2 (sv) 1997-12-15 1997-12-15 Förfarande för effektstyrning vid mjuk överlämning i telekommunikationssystem
US60/069,607 1997-12-15
SE9704676-7 1997-12-15
US09/057,793 US6085108A (en) 1997-12-15 1998-04-09 Modified downlink power control during macrodiversity
US09/057,793 1998-04-09
PCT/US1998/010932 WO1998056200A2 (en) 1997-06-06 1998-06-05 Modified downlink power control during macrodiversity

Publications (2)

Publication Number Publication Date
CA2292495A1 CA2292495A1 (en) 1998-12-10
CA2292495C true CA2292495C (en) 2006-10-10

Family

ID=27484804

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002292495A Expired - Fee Related CA2292495C (en) 1997-06-06 1998-06-05 Modified downlink power control during macrodiversity

Country Status (10)

Country Link
EP (1) EP1048130B1 (enExample)
JP (2) JP4060891B2 (enExample)
CN (1) CN1119874C (enExample)
AR (1) AR012936A1 (enExample)
AU (1) AU746183B2 (enExample)
BR (1) BR9809956A (enExample)
CA (1) CA2292495C (enExample)
DE (1) DE69838261T2 (enExample)
TW (1) TW396686B (enExample)
WO (1) WO1998056200A2 (enExample)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6580700B1 (en) * 1995-10-27 2003-06-17 Symbol Technologies, Inc. Data rate algorithms for use in wireless local area networks
US6067446A (en) * 1996-07-11 2000-05-23 Telefonaktiebolaget Lm Ericsson Power presetting in a radio communication system
FR2787671B1 (fr) * 1998-12-22 2001-02-16 Nortel Matra Cellular Procede de radiocommunication cellulaire, equipements de controle et stations mobiles mettant en oeuvre ce procede
DE59912625D1 (de) * 1999-03-29 2006-02-16 Alcatel Sa Sendeleistungsregelung in einem Mobilkommunikationssytem
EP1058407A1 (de) 1999-04-01 2000-12-06 Alcatel Sendeleistungskorrektur in einem Mobilkommunikationssystem
US6249683B1 (en) * 1999-04-08 2001-06-19 Qualcomm Incorporated Forward link power control of multiple data streams transmitted to a mobile station using a common power control channel
EP1063787A1 (en) * 1999-06-18 2000-12-27 Alcatel Operating a cellular telecommunication system
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
US6553016B1 (en) * 1999-12-20 2003-04-22 Telfonaktiebolaget Lm Ericsson (Publ) Downlink power control at soft handover
JP4679686B2 (ja) * 2000-02-07 2011-04-27 パナソニック株式会社 無線通信装置及び送信電力制御方法
US6823193B1 (en) 2000-02-28 2004-11-23 Telefonaktiebolaget Lm Ericsson (Publ) Downlink transmit power synchronization during diversity communication with a mobile station
GB0008021D0 (en) * 2000-03-31 2000-05-17 Koninkl Philips Electronics Nv Radio communication system
FR2809252B1 (fr) * 2000-05-17 2003-10-03 Cit Alcatel Procede d'ajustement de puissance d'emission par des stations de base transmettant en macro-diversite
US6718180B1 (en) * 2000-10-24 2004-04-06 Telefonaktiebolaget Lm Ericsson (Publ) Power level convergence in a communications system
WO2002041530A1 (en) 2000-11-16 2002-05-23 Sony Corporation Information processing apparatus and communication apparatus
US6970716B2 (en) 2001-02-22 2005-11-29 Telefonaktiebolaget Lm Ericsson (Publ) Power control for downlink shared channel in radio access telecommunications network
KR100474689B1 (ko) 2001-08-30 2005-03-08 삼성전자주식회사 이동통신 시스템에서 소프트 핸드오프 도중의 전력제어 방법
JP4475423B2 (ja) * 2003-04-14 2010-06-09 日本電気株式会社 ハンドオーバー機能試験方法及びスペクトラム拡散移動通信システム
GB2420053A (en) * 2004-11-05 2006-05-10 Agilent Technologies Inc Monitoring synchronisation of signal measurement reports
CN101248611A (zh) 2005-08-24 2008-08-20 艾利森电话股份有限公司 数据单元传送方法
US8886245B2 (en) 2007-03-09 2014-11-11 Qualcomm Incorporated Messaging scheme for controlling uplink transmit power of a wireless device
JP4992777B2 (ja) * 2008-03-18 2012-08-08 富士通株式会社 無線通信方法、無線基地局、無線端末及び無線通信システム
KR101268687B1 (ko) * 2008-08-18 2013-05-29 한국전자통신연구원 다중-셀 협력 통신을 위한 기지국들 및 단말을 포함하는 통신 시스템
WO2010120219A1 (en) * 2009-04-16 2010-10-21 Telefonaktiebolaget L M Ericsson (Publ) A method of power control

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5265119A (en) * 1989-11-07 1993-11-23 Qualcomm Incorporated Method and apparatus for controlling transmission power in a CDMA cellular mobile telephone system
FI91345C (fi) * 1992-06-24 1994-06-10 Nokia Mobile Phones Ltd Menetelmä kanavanvaihdon tehostamiseksi
JP2980156B2 (ja) * 1994-05-12 1999-11-22 エヌ・ティ・ティ移動通信網株式会社 送信電力制御方法および該制御方法を用いたスペクトル拡散通信装置
WO1997008911A1 (en) * 1995-08-31 1997-03-06 Nokia Telecommunications Oy A handover method, and a cellular radio system

Also Published As

Publication number Publication date
TW396686B (en) 2000-07-01
DE69838261D1 (de) 2007-09-27
CA2292495A1 (en) 1998-12-10
WO1998056200A2 (en) 1998-12-10
AR012936A1 (es) 2000-11-22
JP2002511210A (ja) 2002-04-09
JP4060891B2 (ja) 2008-03-12
DE69838261T2 (de) 2008-05-08
WO1998056200A3 (en) 1999-11-11
CN1266561A (zh) 2000-09-13
JP2007329966A (ja) 2007-12-20
BR9809956A (pt) 2000-08-01
JP4185152B2 (ja) 2008-11-26
EP1048130A2 (en) 2000-11-02
CN1119874C (zh) 2003-08-27
EP1048130B1 (en) 2007-08-15
AU746183B2 (en) 2002-04-18
AU7702498A (en) 1998-12-21

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Effective date: 20180605

MKLA Lapsed

Effective date: 20180605