CA2288020A1 - Enhanced reverse link power control in a wireless communication system - Google Patents

Enhanced reverse link power control in a wireless communication system Download PDF

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Publication number
CA2288020A1
CA2288020A1 CA002288020A CA2288020A CA2288020A1 CA 2288020 A1 CA2288020 A1 CA 2288020A1 CA 002288020 A CA002288020 A CA 002288020A CA 2288020 A CA2288020 A CA 2288020A CA 2288020 A1 CA2288020 A1 CA 2288020A1
Authority
CA
Canada
Prior art keywords
power control
control step
subscriber unit
step size
wireless communication
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.)
Granted
Application number
CA002288020A
Other languages
French (fr)
Other versions
CA2288020C (en
Inventor
Farhan Ali
Alberto Gutierrez
Kim Chang
Chenhong Huang
Serge Manning
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.)
Apple Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2288020A1 publication Critical patent/CA2288020A1/en
Application granted granted Critical
Publication of CA2288020C publication Critical patent/CA2288020C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/36—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
    • H04W52/362—Aspects of the step size
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/26—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/28—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission
    • H04W52/282—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission taking into account the speed of the mobile
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/54—Signalisation aspects of the TPC commands, e.g. frame structure
    • H04W52/58—Format of the TPC bits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

An enhanced mechanisim (400) for the reverse link power control in a wireless communication system, especially for high speed data applications and fixed wireless communication applications, dynamically adjusts the power control step size (404, 408, 412) of the reverse link power control. The power control step size is dynamically adjusted based on various factors including types of service, number of reverse supplemental code channels, total received power at the base station, estimated diversity gain and required mobility, among others. The system which includes stationary infrastructure, can query a subscriber unit's capability in the support of a pre-defined set of power control step sizes before assigning it to the subscriber unit (402, 406, 410). Furthermore, the subscriber unit may decide its optimized power control step size based on certain feedbacks from the system. In a specific embodiment, enhancement to the ANSI EIA/TIA-95 system is provided such that it supports a variable subscriber unit power control step size and associated signaling in accord with this invention.
CA002288020A 1997-05-05 1998-05-05 Enhanced reverse link power control in a wireless communication system Expired - Lifetime CA2288020C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US4556497P 1997-05-05 1997-05-05
US60/045,564 1997-05-05
US08/998,542 1997-12-26
US08/998,542 US5896411A (en) 1997-05-05 1997-12-26 Enhanced reverse link power control in a wireless communication system
PCT/US1998/009121 WO1998051026A1 (en) 1997-05-05 1998-05-05 Enhanced reverse link power control in a wireless communication system

Publications (2)

Publication Number Publication Date
CA2288020A1 true CA2288020A1 (en) 1998-11-12
CA2288020C CA2288020C (en) 2006-07-11

Family

ID=26722922

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002288020A Expired - Lifetime CA2288020C (en) 1997-05-05 1998-05-05 Enhanced reverse link power control in a wireless communication system

Country Status (6)

Country Link
US (1) US5896411A (en)
EP (1) EP0986868B1 (en)
AU (1) AU7176498A (en)
CA (1) CA2288020C (en)
DE (1) DE69840265D1 (en)
WO (1) WO1998051026A1 (en)

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Also Published As

Publication number Publication date
DE69840265D1 (en) 2009-01-08
AU7176498A (en) 1998-11-27
US5896411A (en) 1999-04-20
EP0986868A4 (en) 2005-05-04
EP0986868A1 (en) 2000-03-22
EP0986868B1 (en) 2008-11-26
CA2288020C (en) 2006-07-11
WO1998051026A1 (en) 1998-11-12

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Effective date: 20180507

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