JP5687524B2 - 送信装置、受信装置、通信システム、通信方法、および集積回路 - Google Patents

送信装置、受信装置、通信システム、通信方法、および集積回路 Download PDF

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JP5687524B2
JP5687524B2 JP2011043755A JP2011043755A JP5687524B2 JP 5687524 B2 JP5687524 B2 JP 5687524B2 JP 2011043755 A JP2011043755 A JP 2011043755A JP 2011043755 A JP2011043755 A JP 2011043755A JP 5687524 B2 JP5687524 B2 JP 5687524B2
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unit
signal
vector
propagation path
demodulation reference
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JP2011043755A
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Japanese (ja)
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JP2012182627A (ja
JP2012182627A5 (enExample
Inventor
博史 中野
博史 中野
宏道 留場
宏道 留場
毅 小野寺
毅 小野寺
デルガド アルバロ ルイズ
デルガド アルバロ ルイズ
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Sharp Corp
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Sharp Corp
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Priority to JP2011043755A priority Critical patent/JP5687524B2/ja
Priority to PCT/JP2012/051923 priority patent/WO2012117788A1/ja
Priority to US14/002,142 priority patent/US9362995B2/en
Publication of JP2012182627A publication Critical patent/JP2012182627A/ja
Publication of JP2012182627A5 publication Critical patent/JP2012182627A5/ja
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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
    • H04B7/0452—Multi-user MIMO systems
    • 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
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0204—Channel estimation of multiple channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0226—Channel estimation using sounding signals sounding signals per se
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/024—Channel estimation channel estimation algorithms
    • H04L25/0242—Channel estimation channel estimation algorithms using matrix methods
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/06—DC level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/067—DC level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing soft decisions, i.e. decisions together with an estimate of reliability
    • 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
    • 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
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
    • H04B7/0465—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking power constraints at power amplifier or emission constraints, e.g. constant modulus, into account
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0023—Interference mitigation or co-ordination
    • H04J11/0026—Interference mitigation or co-ordination of multi-user interference
    • H04J11/003—Interference mitigation or co-ordination of multi-user interference at the transmitter

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
JP2011043755A 2011-03-01 2011-03-01 送信装置、受信装置、通信システム、通信方法、および集積回路 Expired - Fee Related JP5687524B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2011043755A JP5687524B2 (ja) 2011-03-01 2011-03-01 送信装置、受信装置、通信システム、通信方法、および集積回路
PCT/JP2012/051923 WO2012117788A1 (ja) 2011-03-01 2012-01-30 送信装置、受信装置、通信システム、通信方法、および集積回路
US14/002,142 US9362995B2 (en) 2011-03-01 2012-01-30 Transmitter apparatus, receiver apparatus, communication system, communication method, and integrated circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011043755A JP5687524B2 (ja) 2011-03-01 2011-03-01 送信装置、受信装置、通信システム、通信方法、および集積回路

Publications (3)

Publication Number Publication Date
JP2012182627A JP2012182627A (ja) 2012-09-20
JP2012182627A5 JP2012182627A5 (enExample) 2014-04-17
JP5687524B2 true JP5687524B2 (ja) 2015-03-18

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JP2011043755A Expired - Fee Related JP5687524B2 (ja) 2011-03-01 2011-03-01 送信装置、受信装置、通信システム、通信方法、および集積回路

Country Status (3)

Country Link
US (1) US9362995B2 (enExample)
JP (1) JP5687524B2 (enExample)
WO (1) WO2012117788A1 (enExample)

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Publication number Priority date Publication date Assignee Title
US9137732B2 (en) * 2011-02-25 2015-09-15 Sharp Kabushiki Kaishi Wireless communication system, base station device, and wireless communication route selection method
JP5804594B2 (ja) * 2011-08-05 2015-11-04 シャープ株式会社 プリコーディング装置、プリコーディング用プログラムおよび集積回路
WO2014196986A1 (en) * 2013-06-07 2014-12-11 Hewlett-Packard Development Company, L.P. Target channel identification for a wireless communication
JP6405155B2 (ja) * 2014-08-27 2018-10-17 三星電子株式会社Ｓａｍｓｕｎｇ Ｅｌｅｃｔｒｏｎｉｃｓ Ｃｏ．，Ｌｔｄ． 信号処理装置、信号処理方法、及びプログラム
CN107078836B (zh) * 2014-11-25 2019-11-19 华为技术有限公司 一种导频信号的生成方法及装置
CN111884957B (zh) * 2015-01-28 2023-05-16 索尼公司 无线通信设备和无线通信方法
US10341014B2 (en) * 2015-04-15 2019-07-02 RF DSP Inc. Hybrid beamforming multi-antenna wireless systems
WO2017034105A1 (ko) * 2015-08-24 2017-03-02 엘지전자 주식회사 Dmrs를 전송하는 방법 및 이를 위한 장치
WO2018004180A1 (ko) * 2016-06-27 2018-01-04 엘지전자 주식회사 무선통신 시스템에서 참조신호를 전송 및 수신하는 방법과 이를 위한 장치
JP2020010072A (ja) * 2016-11-02 2020-01-16 シャープ株式会社 基地局装置、端末装置および通信方法
KR101971972B1 (ko) * 2017-01-09 2019-04-24 엘지전자 주식회사 무선 통신 시스템에서, 참조 신호를 전송하는 방법 및 이를 위한 장치
CN108632005B (zh) 2017-03-24 2023-12-15 华为技术有限公司 一种参考信号传输方法、装置及系统
WO2018171783A1 (zh) * 2017-03-24 2018-09-27 华为技术有限公司 信号传输方法、装置及系统
WO2019215874A1 (ja) * 2018-05-10 2019-11-14 株式会社Ｎｔｔドコモ 受信装置及び送信装置
CN110784292B (zh) * 2018-07-31 2021-10-01 华为技术有限公司 参考信号的处理方法和装置
US12199705B2 (en) * 2022-04-15 2025-01-14 Qualcomm Incorporated Lattice reduction-aided perturbed additive demapper for multiple-input multiple-output signal detection
US11956006B2 (en) * 2022-07-01 2024-04-09 Qualcomm Incorporated Precoding perturbation to allow large array digital post distortion

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8139685B2 (en) * 2005-05-10 2012-03-20 Qualcomm Incorporated Systems, methods, and apparatus for frequency control
JP4695003B2 (ja) * 2005-09-05 2011-06-08 Ｏｋｉセミコンダクタ株式会社 等化器及び等化方法
JP5248130B2 (ja) 2008-01-31 2013-07-31 株式会社東芝 無線送信方法及び装置
JP5221285B2 (ja) * 2008-11-05 2013-06-26 株式会社東芝 無線通信装置及び方法
US9094167B2 (en) * 2009-02-02 2015-07-28 Samsung Electronics Co., Ltd. System and method for multi-user and multi-cell MIMO transmissions
WO2010148119A2 (en) * 2009-06-19 2010-12-23 Research In Motion Limited Downlink reference signal for type ii relay
JPWO2010150313A1 (ja) 2009-06-25 2012-12-06 株式会社東芝 通信装置
JP5501034B2 (ja) 2010-03-01 2014-05-21 シャープ株式会社 通信システム、送信装置、受信装置
JP2011254171A (ja) * 2010-05-31 2011-12-15 Sharp Corp 通信システム、送信装置、送信制御方法、送信制御プログラム、及びプロセッサ

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Publication number Publication date
JP2012182627A (ja) 2012-09-20
US9362995B2 (en) 2016-06-07
WO2012117788A1 (ja) 2012-09-07
US20130336282A1 (en) 2013-12-19

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