WO2008126550A1 - スケジューリング方法、無線送信機および無線受信機 - Google Patents

スケジューリング方法、無線送信機および無線受信機 Download PDF

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Publication number
WO2008126550A1
WO2008126550A1 PCT/JP2008/054314 JP2008054314W WO2008126550A1 WO 2008126550 A1 WO2008126550 A1 WO 2008126550A1 JP 2008054314 W JP2008054314 W JP 2008054314W WO 2008126550 A1 WO2008126550 A1 WO 2008126550A1
Authority
WO
WIPO (PCT)
Prior art keywords
radio
radio receiver
receiver
scheduling method
transmitter
Prior art date
Application number
PCT/JP2008/054314
Other languages
English (en)
French (fr)
Inventor
Shimpei To
Yasuhiro Hamaguchi
Hideo Namba
Minoru Kubota
Original Assignee
Sharp Kabushiki Kaisha
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 Sharp Kabushiki Kaisha filed Critical Sharp Kabushiki Kaisha
Publication of WO2008126550A1 publication Critical patent/WO2008126550A1/ja

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Classifications

    • 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
    • H04L5/0058—Allocation criteria
    • 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
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • H04L1/1887—Scheduling and prioritising arrangements
    • 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
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • 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
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • 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
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • 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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • 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

Landscapes

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

Abstract

　様々な受信機能を有する無線受信機が共存する状況下においても、システム全体として伝搬路推定誤差の影響を軽減する。複数の無線受信機と通信を行なう無線送信機において、スケジューリング部２１０は、無線受信機が用いる伝搬路推定方法、無線受信機における受信状況、無線受信機に対する送信ストリーム数に関する情報の少なくとも１つを取得し、当該取得した情報に応じて無線受信機をデータ伝送に用いる伝送帯域の端に配置される周波数チャネルに優先的に割り当てる。
PCT/JP2008/054314 2007-03-13 2008-03-10 スケジューリング方法、無線送信機および無線受信機 WO2008126550A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007064042 2007-03-13
JP2007-064042 2007-03-13

Publications (1)

Publication Number Publication Date
WO2008126550A1 true WO2008126550A1 (ja) 2008-10-23

Family

ID=39863701

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/054314 WO2008126550A1 (ja) 2007-03-13 2008-03-10 スケジューリング方法、無線送信機および無線受信機

Country Status (1)

Country Link
WO (1) WO2008126550A1 (ja)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0575568A (ja) * 1991-01-17 1993-03-26 Fr Telecom 通信路の周波数応答の評価と限界判定を備えた時間周波数領域に多重化されたデイジタルデータをコヒレント復調するための装置
JP2005130485A (ja) * 2003-10-01 2005-05-19 Matsushita Electric Ind Co Ltd Ｏｆｄｍ信号受信装置及びｏｆｄｍ信号受信方法
WO2006077696A1 (ja) * 2005-01-18 2006-07-27 Sharp Kabushiki Kaisha 無線通信装置、携帯端末および無線通信方法
WO2006088082A1 (ja) * 2005-02-18 2006-08-24 Mitsubishi Denki Kabushiki Kaisha マルチバンド無線通信方法および基地局
WO2007018153A1 (ja) * 2005-08-05 2007-02-15 Matsushita Electric Industrial Co., Ltd. 無線送信装置、無線受信装置及び無線通信方法
WO2007142313A1 (ja) * 2006-06-07 2007-12-13 Sharp Kabushiki Kaisha 受信機および周波数情報推定方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0575568A (ja) * 1991-01-17 1993-03-26 Fr Telecom 通信路の周波数応答の評価と限界判定を備えた時間周波数領域に多重化されたデイジタルデータをコヒレント復調するための装置
JP2005130485A (ja) * 2003-10-01 2005-05-19 Matsushita Electric Ind Co Ltd Ｏｆｄｍ信号受信装置及びｏｆｄｍ信号受信方法
WO2006077696A1 (ja) * 2005-01-18 2006-07-27 Sharp Kabushiki Kaisha 無線通信装置、携帯端末および無線通信方法
WO2006088082A1 (ja) * 2005-02-18 2006-08-24 Mitsubishi Denki Kabushiki Kaisha マルチバンド無線通信方法および基地局
WO2007018153A1 (ja) * 2005-08-05 2007-02-15 Matsushita Electric Industrial Co., Ltd. 無線送信装置、無線受信装置及び無線通信方法
WO2007142313A1 (ja) * 2006-06-07 2007-12-13 Sharp Kabushiki Kaisha 受信機および周波数情報推定方法

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
NANBA H. ET AL.: "Jikanmadoho ni yoru Denpanro Suiteiji ni Okeru Hizumi ni Kansuru Ichikento", THE INSTITUTE OF ELECTRONICS, INFORMATION AND COMMUNICATION ENGINEERS 2006 NEN SOGO TAIKAI KOEN RONBUNSHU, COMMUNICATION 1, THE INSTITUTE OF ELECTRONICS, INFORMATION AND COMMUNICATION ENGINEERS, 8 March 2006 (2006-03-08), pages 446 + ABSTR. NO. B-5-93 *
SAMSUNG: "DL resource allocation strategy", 3GPP RAN WG1 LTE ADHOC, vol. R1-061693, June 2006 (2006-06-01), pages 1 - 5 *

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