AU7948898A - Method and apparatus for downlink power control in macro diversity radio systems - Google Patents

Method and apparatus for downlink power control in macro diversity radio systems

Info

Publication number
AU7948898A
AU7948898A AU79488/98A AU7948898A AU7948898A AU 7948898 A AU7948898 A AU 7948898A AU 79488/98 A AU79488/98 A AU 79488/98A AU 7948898 A AU7948898 A AU 7948898A AU 7948898 A AU7948898 A AU 7948898A
Authority
AU
Australia
Prior art keywords
power control
radio systems
downlink power
macro diversity
diversity radio
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
AU79488/98A
Other languages
English (en)
Inventor
Magnus Almgren
Magnus Frodigh
Mikael Gudmundson
Fredric Kronestedt
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.)
Telefonaktiebolaget LM Ericsson AB
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
Application filed by Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of AU7948898A publication Critical patent/AU7948898A/en
Abandoned 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]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
    • H04W52/343—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading taking into account loading or congestion level
    • 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]
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • 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
    • H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
    • H04W52/346—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading distributing total power among users or channels
    • 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)
AU79488/98A 1997-06-23 1998-06-16 Method and apparatus for downlink power control in macro diversity radio systems Abandoned AU7948898A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/880,746 US6104933A (en) 1997-06-23 1997-06-23 Method and apparatus for control of base stations in macro diversity radio systems
US08880746 1997-06-23
PCT/SE1998/001169 WO1998059433A2 (en) 1997-06-23 1998-06-16 Method and apparatus for downlink power control in macro diversity radio systems

Publications (1)

Publication Number Publication Date
AU7948898A true AU7948898A (en) 1999-01-04

Family

ID=25376983

Family Applications (1)

Application Number Title Priority Date Filing Date
AU79488/98A Abandoned AU7948898A (en) 1997-06-23 1998-06-16 Method and apparatus for downlink power control in macro diversity radio systems

Country Status (8)

Country Link
US (1) US6104933A (enExample)
EP (1) EP0997008B1 (enExample)
JP (1) JP4138028B2 (enExample)
AU (1) AU7948898A (enExample)
CA (1) CA2295085C (enExample)
DE (1) DE69841958D1 (enExample)
TW (1) TW387176B (enExample)
WO (1) WO1998059433A2 (enExample)

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US7061891B1 (en) 2001-02-02 2006-06-13 Science Applications International Corporation Method and system for a remote downlink transmitter for increasing the capacity and downlink capability of a multiple access interference limited spread-spectrum wireless network
WO2002080382A1 (en) * 2001-03-30 2002-10-10 Science Applications International Corporation Multistage reception of code division multiple access transmissions
US7961616B2 (en) 2001-06-07 2011-06-14 Qualcomm Incorporated Method and apparatus for congestion control in a wireless communication system
GB2376843B (en) * 2001-06-18 2005-01-12 Ubinetics Ltd A transmitter station and a radiotelephone system including a transmitter station
US7209511B2 (en) * 2001-08-31 2007-04-24 Ericsson Inc. Interference cancellation in a CDMA receiving system
US7224942B2 (en) 2001-07-26 2007-05-29 Telefonaktiebolaget Lm Ericsson (Publ) Communications system employing non-polluting pilot codes
US20030045297A1 (en) * 2001-08-24 2003-03-06 Dent Paul W. Communication system employing channel estimation loop-back signals
US6996380B2 (en) * 2001-07-26 2006-02-07 Ericsson Inc. Communication system employing transmit macro-diversity
US7197282B2 (en) * 2001-07-26 2007-03-27 Ericsson Inc. Mobile station loop-back signal processing
US7006461B2 (en) 2001-09-17 2006-02-28 Science Applications International Corporation Method and system for a channel selective repeater with capacity enhancement in a spread-spectrum wireless network
CA2408423C (en) * 2001-10-17 2013-12-24 Nec Corporation Mobile communication system, communication control method, base station and mobile station to be used in the same
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US7389112B2 (en) * 2001-12-07 2008-06-17 Telefonaktiebolaget L M Ericsson (Publ) Mobile terminal for optimal spectrum utilization in cellular systems
WO2004002181A1 (en) 2002-06-25 2003-12-31 Nokia Corporation Method and system to optimise soft handover gain in networks such as cdma networks
US7680052B2 (en) * 2002-12-16 2010-03-16 Qualcomm Incorporated Closed loop resource allocation
US7184492B2 (en) * 2003-02-10 2007-02-27 Ericsson Inc. Using antenna arrays in multipath environment
JP4084683B2 (ja) * 2003-03-04 2008-04-30 株式会社エヌ・ティ・ティ・ドコモ 移動通信システム、無線制御装置、基地局及び送信電力制御方法
AU2003221237A1 (en) * 2003-03-28 2004-10-18 Utstarcom (China) Co, Ltd. A method for determining reference power in the downlink power balance technology in the case of soft hand-off
US6978139B2 (en) * 2003-05-16 2005-12-20 Motorola, Inc. Method and apparatus for performing soft-handoff in a wireless communication system
CN100508630C (zh) * 2003-06-30 2009-07-01 摩托罗拉公司 在无线通信系统中执行软切换的方法和设备
FI120570B (fi) * 2003-12-23 2009-11-30 Teliasonera Finland Oyj Datan lähettäminen merellä
EP1739858A4 (en) * 2004-03-01 2014-12-24 Nec Corp WIRELESS BASE STATION UNIT AND METHOD OF TRANSMISSION POWER MANAGEMENT
EP1727296A1 (en) * 2005-05-23 2006-11-29 Siemens S.p.A. Method and device for downlink resource allocation for packet transmission of users of radio communication systems
US8023955B2 (en) 2005-08-22 2011-09-20 Sony Corporation Uplink resource allocation to control intercell interference in a wireless communication system
KR20070047636A (ko) * 2005-11-02 2007-05-07 삼성전자주식회사 무선 통신 시스템에서 역방향 로드 제어 장치 및 방법
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US8032091B2 (en) * 2007-03-14 2011-10-04 Magnolia Broadband Inc. Method, apparatus and system for providing transmit diversity feedback during soft handoff
US8699968B2 (en) 2007-03-14 2014-04-15 Google Inc. Using multiple and a single feedback for UE uplink beamforming in soft handoff
US8194623B2 (en) * 2008-06-27 2012-06-05 Ntt Docomo, Inc. Evolving-type user resource structure/channelization with enhanced diversity for OFDMA based time-varying channels
WO2010099028A2 (en) * 2009-02-24 2010-09-02 Ryan David J Determining time varying radio frequency isolation characteristics between network cells
WO2013184051A1 (en) * 2012-06-05 2013-12-12 Telefonaktiebolaget L M Ericsson (Publ) Method for selecting antennas to be included in a set of receiving antennas
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Also Published As

Publication number Publication date
WO1998059433A3 (en) 1999-07-08
TW387176B (en) 2000-04-11
DE69841958D1 (de) 2010-12-02
WO1998059433A2 (en) 1998-12-30
EP0997008A2 (en) 2000-05-03
CA2295085A1 (en) 1998-12-30
EP0997008B1 (en) 2010-10-20
JP4138028B2 (ja) 2008-08-20
US6104933A (en) 2000-08-15
CA2295085C (en) 2007-01-09
JP2002505819A (ja) 2002-02-19

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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