JP2010010966A - 無線通信装置、及びｍｉｍｏ無線通信における信号送信方法 - Google Patents

無線通信装置、及びｍｉｍｏ無線通信における信号送信方法 Download PDF

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Publication number
JP2010010966A
JP2010010966A JP2008166521A JP2008166521A JP2010010966A JP 2010010966 A JP2010010966 A JP 2010010966A JP 2008166521 A JP2008166521 A JP 2008166521A JP 2008166521 A JP2008166521 A JP 2008166521A JP 2010010966 A JP2010010966 A JP 2010010966A
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Japan
Prior art keywords
transmission
transmission beam
frequency
matrix
signal
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JP2008166521A
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English (en)
Japanese (ja)
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JP2010010966A5 (enExample
Inventor
Takashi Yamamoto
剛史 山本
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Sumitomo Electric Industries Ltd
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Sumitomo Electric Industries Ltd
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Application filed by Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Priority to JP2008166521A priority Critical patent/JP2010010966A/ja
Priority to US13/000,183 priority patent/US20110105063A1/en
Priority to CN2009801199880A priority patent/CN102047599A/zh
Priority to EP09770066.0A priority patent/EP2293475A4/en
Priority to PCT/JP2009/061032 priority patent/WO2009157356A1/ja
Publication of JP2010010966A publication Critical patent/JP2010010966A/ja
Publication of JP2010010966A5 publication Critical patent/JP2010010966A5/ja
Pending legal-status Critical Current

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    • 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
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2626—Arrangements specific to the transmitter only
    • 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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
JP2008166521A 2008-06-25 2008-06-25 無線通信装置、及びｍｉｍｏ無線通信における信号送信方法 Pending JP2010010966A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2008166521A JP2010010966A (ja) 2008-06-25 2008-06-25 無線通信装置、及びｍｉｍｏ無線通信における信号送信方法
US13/000,183 US20110105063A1 (en) 2008-06-25 2009-06-17 Radio communication device and signal transmission method in mimo radio communication
CN2009801199880A CN102047599A (zh) 2008-06-25 2009-06-17 无线通信装置及mimo无线通信中的信号发送方法
EP09770066.0A EP2293475A4 (en) 2008-06-25 2009-06-17 Radio communication device and signal transmission method in the MIMO radio communication
PCT/JP2009/061032 WO2009157356A1 (ja) 2008-06-25 2009-06-17 無線通信装置、及びｍｉｍｏ無線通信における信号送信方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008166521A JP2010010966A (ja) 2008-06-25 2008-06-25 無線通信装置、及びｍｉｍｏ無線通信における信号送信方法

Publications (2)

Publication Number Publication Date
JP2010010966A true JP2010010966A (ja) 2010-01-14
JP2010010966A5 JP2010010966A5 (enExample) 2011-10-13

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JP2008166521A Pending JP2010010966A (ja) 2008-06-25 2008-06-25 無線通信装置、及びｍｉｍｏ無線通信における信号送信方法

Country Status (5)

Country Link
US (1) US20110105063A1 (enExample)
EP (1) EP2293475A4 (enExample)
JP (1) JP2010010966A (enExample)
CN (1) CN102047599A (enExample)
WO (1) WO2009157356A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015053161A1 (ja) * 2013-10-08 2015-04-16 株式会社Ｎｔｔドコモ 無線装置、無線制御装置及び通信制御方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103391128B (zh) * 2012-05-07 2017-08-18 华为技术有限公司 一种虚拟天线映射方法及装置
WO2024018855A1 (ja) * 2022-07-20 2024-01-25 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 通信装置及び通信方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007538424A (ja) * 2004-05-07 2007-12-27 クゥアルコム・インコーポレイテッド Ｍｉｍｏ−ｏｆｄｍシステムのための連続ビーム形成
WO2008004835A2 (en) * 2006-07-06 2008-01-10 Lg Electronics Inc. Method and apparatus for correcting errors in a multiple subcarriers communication system using multiple antennas
US20080080637A1 (en) * 2006-10-02 2008-04-03 Samsung Electronics Co., Ltd. System and method for performing precoding in a wireless communication system
WO2008041677A1 (en) * 2006-10-03 2008-04-10 Ntt Docomo, Inc. Base station device
JP2009303106A (ja) * 2008-06-17 2009-12-24 Sumitomo Electric Ind Ltd 無線通信システム、基地局装置、及び無線端末装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6104930A (en) * 1997-05-02 2000-08-15 Nortel Networks Corporation Floating transceiver assignment for cellular radio
US6687492B1 (en) * 2002-03-01 2004-02-03 Cognio, Inc. System and method for antenna diversity using joint maximal ratio combining
CN100455075C (zh) * 2003-06-05 2009-01-21 中兴通讯股份有限公司 空间多波束馈电网络的实现装置
US7995455B1 (en) * 2004-01-21 2011-08-09 Marvell International Ltd. Scalable MIMO-OFDM PHY for high throughput WLANs
US8285226B2 (en) * 2004-05-07 2012-10-09 Qualcomm Incorporated Steering diversity for an OFDM-based multi-antenna communication system
US20080267142A1 (en) * 2004-06-18 2008-10-30 Stellaris Ltd. Distributed Antenna Wlan Access-Point System and Method
US7583982B2 (en) * 2004-08-06 2009-09-01 Interdigital Technology Corporation Method and apparatus to improve channel quality for use in wireless communications systems with multiple-input multiple-output (MIMO) antennas
US7894548B2 (en) * 2004-09-03 2011-02-22 Qualcomm Incorporated Spatial spreading with space-time and space-frequency transmit diversity schemes for a wireless communication system
US7978778B2 (en) * 2004-09-03 2011-07-12 Qualcomm, Incorporated Receiver structures for spatial spreading with space-time or space-frequency transmit diversity
WO2007011347A1 (en) * 2005-07-15 2007-01-25 Mitsubishi Electric Research Laboratories Antenna selection for multi-input multi-output system
KR100972806B1 (ko) * 2005-09-29 2010-07-29 인터디지탈 테크날러지 코포레이션 Ｍｉｍｏ 빔형성 기반의 단일 반송파 주파수 분할 다중접속 시스템
KR100996023B1 (ko) * 2005-10-31 2010-11-22 삼성전자주식회사 다중 안테나 통신 시스템에서 데이터 송수신 장치 및 방법
US7706457B2 (en) * 2006-03-31 2010-04-27 Intel Corporation System and method for beamforming using rate-dependent feedback in a wireless network
JP2008166521A (ja) 2006-12-28 2008-07-17 Citizen Miyota Co Ltd 固体撮像装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007538424A (ja) * 2004-05-07 2007-12-27 クゥアルコム・インコーポレイテッド Ｍｉｍｏ−ｏｆｄｍシステムのための連続ビーム形成
WO2008004835A2 (en) * 2006-07-06 2008-01-10 Lg Electronics Inc. Method and apparatus for correcting errors in a multiple subcarriers communication system using multiple antennas
US20080080637A1 (en) * 2006-10-02 2008-04-03 Samsung Electronics Co., Ltd. System and method for performing precoding in a wireless communication system
WO2008041677A1 (en) * 2006-10-03 2008-04-10 Ntt Docomo, Inc. Base station device
JP2009303106A (ja) * 2008-06-17 2009-12-24 Sumitomo Electric Ind Ltd 無線通信システム、基地局装置、及び無線端末装置

Non-Patent Citations (8)

* Cited by examiner, † Cited by third party
Title
CSNC201110026142; ＩｎｔｅｒＤｉｇｉｔａｌ　Ｃｏｍｍｕｎｉｃａｔｉｏｎｓ　ｅｔ　ａｌ．: 'Ｄｏｗｎｌｉｎｋ　Ｃｏｎｔｒｏｌ　Ｓｉｇｎａｌｉｎｇ　ｆｏｒ　ＭＵ-ＭＩＭＯ' ３ＧＰＰ　Ｒ１-０８０７７７ , 20080215 *
CSNC201110033144; Ａｌｃａｔｅｌ-Ｌｕｃｅｎｔ: 'Ａｄａｐｔｉｎｇ ｔｈｅ ｆｒｅｑｕｅｎｃｙ ｇｒａｎｕｌａｒｉｔｙ ａｎｄ ｕｐｄａｔｉｎｇ ｉｎｔｅｒｖａｌ ｏｆ ＵＥ ｆｅｅｄｂａｃｋ ｆｏｒ ｐｒｅｃｏｄｉｎｇ' ３ＧＰＰ Ｒ１-０７１４２４ , 20070330 *
CSNC201110035087; ＮＴＴ ＤｏＣｏＭｏ: 'Ｍｕｌｔｉ-Ｃｏｄｅｂｏｏｋ Ｐｒｅ-ｃｏｄｉｎｇ Ｓｃｈｅｍｅ ｆｏｒ ＭＩＭＯ ｉｎ Ｅ-ＵＴＲＡ Ｄｏｗｎｌｉｎｋ' ３ＧＰＰ Ｒ１-０７００９４ , 20070119 *
JPN6012064181; 大渡　裕介　外３名: 'アンテナ毎に電力制限を設けたマルチユーザＭＩＭＯ送信機における送信電力最適化時の演算量削減に関する検討' 電子情報通信学会技術研究報告 Ｖｏｌ．１０８，　Ｎｏ．１１７, 20080620, ｐｐ．９１-９６ *
JPN6013008381; ＩｎｔｅｒＤｉｇｉｔａｌ　Ｃｏｍｍｕｎｉｃａｔｉｏｎｓ　ｅｔ　ａｌ．: 'Ｄｏｗｎｌｉｎｋ　Ｃｏｎｔｒｏｌ　Ｓｉｇｎａｌｉｎｇ　ｆｏｒ　ＭＵ-ＭＩＭＯ' ３ＧＰＰ　Ｒ１-０８０７７７ , 20080215 *
JPN6013012899; ＮＴＴ ＤｏＣｏＭｏ: 'Ｍｕｌｔｉ-Ｃｏｄｅｂｏｏｋ Ｐｒｅ-ｃｏｄｉｎｇ Ｓｃｈｅｍｅ ｆｏｒ ＭＩＭＯ ｉｎ Ｅ-ＵＴＲＡ Ｄｏｗｎｌｉｎｋ' ３ＧＰＰ Ｒ１-０７００９４ , 20070119 *
JPN6013012901; Ｗｅｉ　Ｚｈａｎｇ　ｅｔ　ａｌ．: 'Ａ　Ｄｅｓｉｇｎ　ｏｆ　Ｈｉｇｈ-ｒａｔｅ　Ｓｐａｃｅ-Ｆｒｅｑｕｅｎｃｙ　Ｃｏｄｅｓ　ｆｏｒ　ＭＩＭＯ-ＯＦＤＭ　Ｓｙｓｔｅｍｓ' Ｇｌｏｂａｌ　Ｔｅｌｅｃｏｍｍｕｎｉｃａｔｉｏｎｓ　Ｃｏｎｆｅｒｅｎｃｅ，　２００４．　ＧＬＯＢＥＣＯＭ　'０４． Ｖｏｌ．１, 20041203, ｐｐ．２０９-２１３ *
JPN6013012902; Ａｌｃａｔｅｌ-Ｌｕｃｅｎｔ: 'Ａｄａｐｔｉｎｇ ｔｈｅ ｆｒｅｑｕｅｎｃｙ ｇｒａｎｕｌａｒｉｔｙ ａｎｄ ｕｐｄａｔｉｎｇ ｉｎｔｅｒｖａｌ ｏｆ ＵＥ ｆｅｅｄｂａｃｋ ｆｏｒ ｐｒｅｃｏｄｉｎｇ' ３ＧＰＰ Ｒ１-０７１４２４ , 20070330 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015053161A1 (ja) * 2013-10-08 2015-04-16 株式会社Ｎｔｔドコモ 無線装置、無線制御装置及び通信制御方法
JP2015076700A (ja) * 2013-10-08 2015-04-20 株式会社Ｎｔｔドコモ 無線装置、無線制御装置及び通信制御方法
US9762298B2 (en) 2013-10-08 2017-09-12 Ntt Docomo, Inc. Radio apparatus, radio control apparatus and communication control method

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US20110105063A1 (en) 2011-05-05
WO2009157356A1 (ja) 2009-12-30
EP2293475A1 (en) 2011-03-09
EP2293475A4 (en) 2015-01-28
CN102047599A (zh) 2011-05-04

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