CA2519643A1 - Method and apparatus for reducing co-channel interference in a communication system - Google Patents

Method and apparatus for reducing co-channel interference in a communication system Download PDF

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Publication number
CA2519643A1
CA2519643A1 CA002519643A CA2519643A CA2519643A1 CA 2519643 A1 CA2519643 A1 CA 2519643A1 CA 002519643 A CA002519643 A CA 002519643A CA 2519643 A CA2519643 A CA 2519643A CA 2519643 A1 CA2519643 A1 CA 2519643A1
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CA
Canada
Prior art keywords
reducing
communication system
channel interference
resource
scheduled
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
CA002519643A
Other languages
French (fr)
Other versions
CA2519643C (en
Inventor
Kevin L. Baum
Brian K. Classon
Mark C. Cudak
Vijay Nangia
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.)
Motorola Mobility LLC
Original Assignee
Motorola, Inc.
Kevin L. Baum
Brian K. Classon
Mark C. Cudak
Vijay Nangia
Motorola Mobility, 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 Motorola, Inc., Kevin L. Baum, Brian K. Classon, Mark C. Cudak, Vijay Nangia, Motorola Mobility, Inc. filed Critical Motorola, Inc.
Publication of CA2519643A1 publication Critical patent/CA2519643A1/en
Application granted granted Critical
Publication of CA2519643C publication Critical patent/CA2519643C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2612—Arrangements for wireless medium access control, e.g. by allocating physical layer transmission capacity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0037—Inter-user or inter-terminal allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/023—Multiplexing of multicarrier modulation signals
    • 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 downlink frame (401) is divided in to similar sized resource blocks (403, 405, 407) with each co-channel sector scheduled to transmit from the beginning of its respective assigned resource block. Transmissions to remote units within the particular sector will occur only within the particular resource block, up to a point where all N resource units have been utilized. Beyond that point, additional transmissions are scheduled to be transmitted at the end of the resource blocks assigned to the other sectors.
CA002519643A 2003-03-24 2004-03-11 Method and apparatus for reducing co-channel interference in a communication system Expired - Lifetime CA2519643C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/395,782 US7016319B2 (en) 2003-03-24 2003-03-24 Method and apparatus for reducing co-channel interference in a communication system
US10/395,782 2003-03-24
PCT/US2004/007538 WO2004086636A2 (en) 2003-03-24 2004-03-11 Method and apparatus for reducing co-channel interference in a communication system

Publications (2)

Publication Number Publication Date
CA2519643A1 true CA2519643A1 (en) 2004-10-07
CA2519643C CA2519643C (en) 2008-04-15

Family

ID=32988650

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002519643A Expired - Lifetime CA2519643C (en) 2003-03-24 2004-03-11 Method and apparatus for reducing co-channel interference in a communication system

Country Status (8)

Country Link
US (1) US7016319B2 (en)
EP (1) EP1609258A4 (en)
JP (1) JP4224065B2 (en)
KR (1) KR100750527B1 (en)
CN (1) CN1762117B (en)
CA (1) CA2519643C (en)
IL (1) IL170446A (en)
WO (1) WO2004086636A2 (en)

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