CA2295085C - 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 Download PDF

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Publication number
CA2295085C
CA2295085C CA002295085A CA2295085A CA2295085C CA 2295085 C CA2295085 C CA 2295085C CA 002295085 A CA002295085 A CA 002295085A CA 2295085 A CA2295085 A CA 2295085A CA 2295085 C CA2295085 C CA 2295085C
Authority
CA
Canada
Prior art keywords
downlink
uplink
quality
uplink signal
measuring
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 - Lifetime
Application number
CA002295085A
Other languages
English (en)
French (fr)
Other versions
CA2295085A1 (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.)
Individual
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 CA2295085A1 publication Critical patent/CA2295085A1/en
Application granted granted Critical
Publication of CA2295085C publication Critical patent/CA2295085C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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)
CA002295085A 1997-06-23 1998-06-16 Method and apparatus for downlink power control in macro diversity radio systems Expired - Lifetime CA2295085C (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
US08/880,746 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 (2)

Publication Number Publication Date
CA2295085A1 CA2295085A1 (en) 1998-12-30
CA2295085C true CA2295085C (en) 2007-01-09

Family

ID=25376983

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002295085A Expired - Lifetime CA2295085C (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 (https=)
EP (1) EP0997008B1 (https=)
JP (1) JP4138028B2 (https=)
AU (1) AU7948898A (https=)
CA (1) CA2295085C (https=)
DE (1) DE69841958D1 (https=)
TW (1) TW387176B (https=)
WO (1) WO1998059433A2 (https=)

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US6996380B2 (en) * 2001-07-26 2006-02-07 Ericsson Inc. Communication system employing transmit macro-diversity
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US7457632B2 (en) * 2004-03-01 2008-11-25 Nec Corporation Radio base station apparatus and transmission power control method
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Also Published As

Publication number Publication date
JP4138028B2 (ja) 2008-08-20
EP0997008B1 (en) 2010-10-20
WO1998059433A2 (en) 1998-12-30
AU7948898A (en) 1999-01-04
CA2295085A1 (en) 1998-12-30
DE69841958D1 (de) 2010-12-02
WO1998059433A3 (en) 1999-07-08
US6104933A (en) 2000-08-15
JP2002505819A (ja) 2002-02-19
TW387176B (en) 2000-04-11
EP0997008A2 (en) 2000-05-03

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Effective date: 20180618