WO2002104045A3 - Adaptive scheduling for multi-carrier systems - Google Patents

Adaptive scheduling for multi-carrier systems Download PDF

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Publication number
WO2002104045A3
WO2002104045A3 PCT/IB2002/002229 IB0202229W WO02104045A3 WO 2002104045 A3 WO2002104045 A3 WO 2002104045A3 IB 0202229 W IB0202229 W IB 0202229W WO 02104045 A3 WO02104045 A3 WO 02104045A3
Authority
WO
WIPO (PCT)
Prior art keywords
group
mobile terminals
throughput
scheduling
remaining
Prior art date
Application number
PCT/IB2002/002229
Other languages
French (fr)
Other versions
WO2002104045A2 (en
Inventor
Jianming Wu
Wen Tong
Original Assignee
Nortel Networks Ltd
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 Nortel Networks Ltd filed Critical Nortel Networks Ltd
Priority to KR10-2003-7016552A priority Critical patent/KR20040012947A/en
Priority to BR0209703-6A priority patent/BR0209703A/en
Publication of WO2002104045A2 publication Critical patent/WO2002104045A2/en
Publication of WO2002104045A3 publication Critical patent/WO2002104045A3/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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/52—Allocation or scheduling criteria for wireless resources based on load
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/535—Allocation or scheduling criteria for wireless resources based on resource usage policies

Abstract

A scheduler in a base station determines or estimates a cumulative throughout based on the scheduling criteria used by the base station. Based on the cumulative throughput for each slot, the mobile terminals are divided into one of two groups. The first group is provided for mobile terminals having a lower throughput, while the remaining mobile terminals are placed in a second group associated with higher throughput. The mobile terminal in the first group having the lowest throughput has data scheduled for transmission on the next slot over the best available carrier. The remaining mobile terminals in the first group are iteratively scheduled for transmission on the best remaining carriers, until no mobile terminals remain. Once scheduling for the first group is complete, scheduling for the second group can take place. Preferably, scheduling for the second group is performed to maximize throughput on the remaining carrier or carriers.
PCT/IB2002/002229 2001-06-18 2002-06-17 Adaptive scheduling for multi-carrier systems WO2002104045A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR10-2003-7016552A KR20040012947A (en) 2001-06-18 2002-06-17 Adaptive scheduling for multi-carrier system
BR0209703-6A BR0209703A (en) 2001-06-18 2002-06-17 Adaptive scheduling for multi-carrier systems

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US29906201P 2001-06-18 2001-06-18
US60/299,062 2001-06-18
US10/172,626 US7260077B2 (en) 2001-06-18 2002-06-14 Adaptive scheduling for multi-carrier systems
US10/172,626 2002-06-14

Publications (2)

Publication Number Publication Date
WO2002104045A2 WO2002104045A2 (en) 2002-12-27
WO2002104045A3 true WO2002104045A3 (en) 2003-09-18

Family

ID=26868290

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2002/002229 WO2002104045A2 (en) 2001-06-18 2002-06-17 Adaptive scheduling for multi-carrier systems

Country Status (5)

Country Link
US (2) US7260077B2 (en)
KR (1) KR20040012947A (en)
CN (1) CN1516942A (en)
BR (1) BR0209703A (en)
WO (1) WO2002104045A2 (en)

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Also Published As

Publication number Publication date
US20020197999A1 (en) 2002-12-26
US20070286131A1 (en) 2007-12-13
CN1516942A (en) 2004-07-28
US7860066B2 (en) 2010-12-28
BR0209703A (en) 2004-07-27
WO2002104045A2 (en) 2002-12-27
US7260077B2 (en) 2007-08-21
KR20040012947A (en) 2004-02-11

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