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WO2008129612A1 - Ｍｉｍｏ通信方法、ｍｉｍｏ送信装置およびｍｉｍｏ受信装置 - Google Patents

Ｍｉｍｏ通信方法、ｍｉｍｏ送信装置およびｍｉｍｏ受信装置 Download PDF

Info

Publication number
WO2008129612A1
WO2008129612A1 PCT/JP2007/057784 JP2007057784W WO2008129612A1 WO 2008129612 A1 WO2008129612 A1 WO 2008129612A1 JP 2007057784 W JP2007057784 W JP 2007057784W WO 2008129612 A1 WO2008129612 A1 WO 2008129612A1
Authority
WO
WIPO (PCT)
Prior art keywords
reception quality
mimo
transmission weight
amounts
shortage
Prior art date
Application number
PCT/JP2007/057784
Other languages
English (en)
French (fr)
Inventor
Yasuhiro Hasegawa
Daisuke Tomishima
Original Assignee
Panasonic Corporation
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 Panasonic Corporation filed Critical Panasonic Corporation
Priority to PCT/JP2007/057784 priority Critical patent/WO2008129612A1/ja
Publication of WO2008129612A1 publication Critical patent/WO2008129612A1/ja

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • 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

Landscapes

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

Abstract

　スループットを向上するＭＩＭＯ通信方法、ＭＩＭＯ送信装置およびＭＩＭＯ受信装置。ＭＩＭＯ通信装置（１００）では、過剰品質判定部（１４５）が、推定受信品質が最大の送信ウェイト候補について、推定受信品質の最大値に対応する最大次数変調方式と同じ変調方式に対応する推定受信品質のうちの最小値と、第１のしきい値Ｔｈ１との差を求めることで受信品質過剰量を算出するとともに、推定受信品質の最小値と、第２のしきい値Ｔｈ２との差を求めることで受信品質不足量を算出し、ウェイト決定部（１５０）が、受信品質過剰量が受信品質不足量より大きいとき、全ての送信ウェイト候補について受信品質過剰量及び受信品質不足量を算出するとともに、複数の送信ウェイト候補のうち受信品質過剰量がプラスであり且つ受信品質不足量がマイナスである送信ウェイト候補から使用送信ウェイトを選択する。
PCT/JP2007/057784 2007-04-06 2007-04-06 Ｍｉｍｏ通信方法、ｍｉｍｏ送信装置およびｍｉｍｏ受信装置 WO2008129612A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/057784 WO2008129612A1 (ja) 2007-04-06 2007-04-06 Ｍｉｍｏ通信方法、ｍｉｍｏ送信装置およびｍｉｍｏ受信装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/057784 WO2008129612A1 (ja) 2007-04-06 2007-04-06 Ｍｉｍｏ通信方法、ｍｉｍｏ送信装置およびｍｉｍｏ受信装置

Publications (1)

Publication Number Publication Date
WO2008129612A1 true WO2008129612A1 (ja) 2008-10-30

Family

ID=39875161

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/057784 WO2008129612A1 (ja) 2007-04-06 2007-04-06 Ｍｉｍｏ通信方法、ｍｉｍｏ送信装置およびｍｉｍｏ受信装置

Country Status (1)

Country Link
WO (1) WO2008129612A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009107635A1 (ja) * 2008-02-27 2009-09-03 京セラ株式会社 無線通信システム、送信装置および通信制御方法
WO2009107656A1 (ja) * 2008-02-27 2009-09-03 京セラ株式会社 無線通信システム、送信装置および通信制御方法
JP5134076B2 (ja) * 2008-02-27 2013-01-30 京セラ株式会社 無線通信システム、送信装置および通信制御方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050286618A1 (en) * 2004-06-28 2005-12-29 Ntt Docomo, Inc Transceiver using two or more antennas, and a transmitting-receiving method thereof
WO2006051771A1 (ja) * 2004-11-15 2006-05-18 Sanyo Electric Co., Ltd. 無線装置、送信制御方法および送信制御プログラム

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050286618A1 (en) * 2004-06-28 2005-12-29 Ntt Docomo, Inc Transceiver using two or more antennas, and a transmitting-receiving method thereof
WO2006051771A1 (ja) * 2004-11-15 2006-05-18 Sanyo Electric Co., Ltd. 無線装置、送信制御方法および送信制御プログラム

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
SHI H. ET AL.: "MIMO-OFDM ni Okeru Kurikaeshigata Tekio Soshin Denryoku Haibun Hoho", PROCEEDINGS OF THE 2004 IEICE GENERAL CONFERENCE TSUSHIN 1, TSUSHIN 1-B-5-23, pages 510, XP003023925 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009107635A1 (ja) * 2008-02-27 2009-09-03 京セラ株式会社 無線通信システム、送信装置および通信制御方法
WO2009107656A1 (ja) * 2008-02-27 2009-09-03 京セラ株式会社 無線通信システム、送信装置および通信制御方法
JPWO2009107635A1 (ja) * 2008-02-27 2011-06-30 京セラ株式会社 無線通信システム、送信装置および通信制御方法
JP5134076B2 (ja) * 2008-02-27 2013-01-30 京セラ株式会社 無線通信システム、送信装置および通信制御方法
JP5134077B2 (ja) * 2008-02-27 2013-01-30 京セラ株式会社 無線通信システム、送信装置および通信制御方法

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