WO2002054617A3 - Method and apparatus for forward power control in a communication system - Google Patents

Method and apparatus for forward power control in a communication system Download PDF

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Publication number
WO2002054617A3
WO2002054617A3 PCT/US2001/050641 US0150641W WO02054617A3 WO 2002054617 A3 WO2002054617 A3 WO 2002054617A3 US 0150641 W US0150641 W US 0150641W WO 02054617 A3 WO02054617 A3 WO 02054617A3
Authority
WO
WIPO (PCT)
Prior art keywords
access point
communication system
access terminal
power control
transmit power
Prior art date
Application number
PCT/US2001/050641
Other languages
French (fr)
Other versions
WO2002054617A2 (en
Inventor
Charles E Wheatley Iii
Rashid A Attar
Eduardo A S Esteves
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Priority to CA002433939A priority Critical patent/CA2433939A1/en
Priority to IL15675001A priority patent/IL156750A0/en
Priority to KR1020037009065A priority patent/KR100877262B1/en
Priority to JP2002554987A priority patent/JP2004533133A/en
Priority to EP01989272A priority patent/EP1356604A2/en
Priority to BR0116716-2A priority patent/BR0116716A/en
Priority to MXPA03006102A priority patent/MXPA03006102A/en
Publication of WO2002054617A2 publication Critical patent/WO2002054617A2/en
Publication of WO2002054617A3 publication Critical patent/WO2002054617A3/en
Priority to NO20033063A priority patent/NO20033063L/en
Priority to HK04105070A priority patent/HK1062092A1/en

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
    • H04W52/18—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. 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
    • H04W52/26—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service]
    • H04W52/267—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service] taking into account the information rate
    • 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
    • H04W52/286—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 during data packet transmission, e.g. high speed packet access [HSPA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality

Abstract

In a data communication system capable of variable rate transmission, the data rate is determined by the largest C/I measurement of the forward link signals as measured at the Access Terminal (6). In one embodiment, the date transmission is scheduled based on an Access Terminal (6) initiated forward power control, which reduces forward link rate quantization loss due to excess transmit power. The Access Terminal (6) reports to the Access Point (4) the excess C/I estimate for the selected rate. The Access Point (4) then reduces its transmit power by an appropriate amount when serving that Access Terminal (6). In another embodiment, the data transmission is scheduled based on an Access Point (4) initiated forward power control. The Access Point (4) varies its transmit power over time either randomly or in synchronism with neighboring Access Point (4) in the communication system, which enables an increase in the throughput achieved by users that receive a significant amount of interference.
PCT/US2001/050641 2001-01-05 2001-12-27 Method and apparatus for forward power control in a communication system WO2002054617A2 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
CA002433939A CA2433939A1 (en) 2001-01-05 2001-12-27 Method and apparatus for forward power control in a communication system
IL15675001A IL156750A0 (en) 2001-01-05 2001-12-27 Method and apparatus for forward power control in a communication system
KR1020037009065A KR100877262B1 (en) 2001-01-05 2001-12-27 Method and apparatus for forward power control in a communication system
JP2002554987A JP2004533133A (en) 2001-01-05 2001-12-27 Method and apparatus for forward output control in a communication system
EP01989272A EP1356604A2 (en) 2001-01-05 2001-12-27 Method and apparatus for forward power control in a communication system
BR0116716-2A BR0116716A (en) 2001-01-05 2001-12-27 Method and equipment for emission power control in a communication system
MXPA03006102A MXPA03006102A (en) 2001-01-05 2001-12-27 Method and apparatus for forward power control in a communication system.
NO20033063A NO20033063L (en) 2001-01-05 2003-07-04 Forward power control in a communication system
HK04105070A HK1062092A1 (en) 2001-01-05 2004-07-13 Method and apparatus for forward power control in a communication system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/755,654 2001-01-05
US09/755,654 US6850499B2 (en) 2001-01-05 2001-01-05 Method and apparatus for forward power control in a communication system

Publications (2)

Publication Number Publication Date
WO2002054617A2 WO2002054617A2 (en) 2002-07-11
WO2002054617A3 true WO2002054617A3 (en) 2003-06-19

Family

ID=25040033

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/050641 WO2002054617A2 (en) 2001-01-05 2001-12-27 Method and apparatus for forward power control in a communication system

Country Status (14)

Country Link
US (2) US6850499B2 (en)
EP (2) EP1356604A2 (en)
JP (2) JP2004533133A (en)
KR (1) KR100877262B1 (en)
CN (1) CN100355215C (en)
BR (1) BR0116716A (en)
CA (1) CA2433939A1 (en)
HK (1) HK1062092A1 (en)
IL (1) IL156750A0 (en)
MX (1) MXPA03006102A (en)
NO (1) NO20033063L (en)
RU (1) RU2003124184A (en)
TW (1) TW525357B (en)
WO (1) WO2002054617A2 (en)

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