WO2002045362A3 - Method and apparatus for scheduling packet data transmissions in a wireless communication system - Google Patents

Method and apparatus for scheduling packet data transmissions in a wireless communication system Download PDF

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Publication number
WO2002045362A3
WO2002045362A3 PCT/US2001/043618 US0143618W WO0245362A3 WO 2002045362 A3 WO2002045362 A3 WO 2002045362A3 US 0143618 W US0143618 W US 0143618W WO 0245362 A3 WO0245362 A3 WO 0245362A3
Authority
WO
WIPO (PCT)
Prior art keywords
rate request
request indicator
wireless communication
communication system
packet data
Prior art date
Application number
PCT/US2001/043618
Other languages
French (fr)
Other versions
WO2002045362A2 (en
Inventor
Leonid Razoumov
Jack M Holtzman
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 AU2002217797A priority Critical patent/AU2002217797A1/en
Priority to EP01999090A priority patent/EP1410580A2/en
Priority to BRPI0115760-4A priority patent/BR0115760A/en
Priority to JP2002546375A priority patent/JP2004537872A/en
Priority to KR1020037007246A priority patent/KR100855762B1/en
Publication of WO2002045362A2 publication Critical patent/WO2002045362A2/en
Publication of WO2002045362A3 publication Critical patent/WO2002045362A3/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
    • H04L1/0017—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy where the mode-switching is based on Quality of Service requirement
    • H04L1/0018—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy where the mode-switching is based on Quality of Service requirement based on latency requirement
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
    • H04W72/566—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0025—Transmission of mode-switching indication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication

Abstract

A method (18) for scheduling packet data transmissions in a wireless communication system (10) wherein a per-user Priority Function (PF) (24) is based on a channel condition indicated by a Rate Request Indicator (RRI). The method also considers fairness criteria dictated by predetermined Quality of Service (QOS) requirements. In one embodiment, the rate request indicator is a Data Rate Request (DRR). In another embodiment, rate request indicator is Carrier-to-Interference (C/I) information. In the exemplary embodiment, the base station calculates a Priority Function (PF) for the multiple mobile users. Each PF is a function of the rate request indicator and the projected throughput of a given mobile user. The PF values allow the base station (12) to schedule active mobile units (16) having pending data. The scheduling produces an approximately equal share of the allocated transmission time to the multiple mobile stations (16).
PCT/US2001/043618 2000-11-30 2001-11-20 Method and apparatus for scheduling packet data transmissions in a wireless communication system WO2002045362A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AU2002217797A AU2002217797A1 (en) 2000-11-30 2001-11-20 Method and apparatus for scheduling packet data transmissions in a wireless communication system
EP01999090A EP1410580A2 (en) 2000-11-30 2001-11-20 Method and apparatus for scheduling packet data transmissions in a wireless communication system
BRPI0115760-4A BR0115760A (en) 2000-11-30 2001-11-20 Method and equipment for programming packet data transmissions in a wireless communication system
JP2002546375A JP2004537872A (en) 2000-11-30 2001-11-20 Method and apparatus for scheduling packet data transmission in a wireless communication system
KR1020037007246A KR100855762B1 (en) 2000-11-30 2001-11-20 Method and apparatus for scheduling packet data transmissions in a wireless communication system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/728,239 2000-11-30
US09/728,239 US6847629B2 (en) 2000-11-30 2000-11-30 Method and apparatus for scheduling packet data transmissions in a wireless communication system

Publications (2)

Publication Number Publication Date
WO2002045362A2 WO2002045362A2 (en) 2002-06-06
WO2002045362A3 true WO2002045362A3 (en) 2004-01-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/043618 WO2002045362A2 (en) 2000-11-30 2001-11-20 Method and apparatus for scheduling packet data transmissions in a wireless communication system

Country Status (8)

Country Link
US (2) US6847629B2 (en)
EP (1) EP1410580A2 (en)
JP (1) JP2004537872A (en)
KR (1) KR100855762B1 (en)
AU (1) AU2002217797A1 (en)
BR (1) BR0115760A (en)
TW (1) TW535448B (en)
WO (1) WO2002045362A2 (en)

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US7822041B2 (en) 2010-10-26
KR100855762B1 (en) 2008-09-01
TW535448B (en) 2003-06-01
US6847629B2 (en) 2005-01-25
KR20030051889A (en) 2003-06-25
US20020093976A1 (en) 2002-07-18
BR0115760A (en) 2006-05-02
EP1410580A2 (en) 2004-04-21
JP2004537872A (en) 2004-12-16
AU2002217797A1 (en) 2002-06-11
WO2002045362A2 (en) 2002-06-06
US20050129063A1 (en) 2005-06-16

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