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DE602008003976D1 - Räumliche Unterkanalauswahl und Vorcodiervorrichtung - Google Patents

Räumliche Unterkanalauswahl und Vorcodiervorrichtung

Info

Publication number
DE602008003976D1
DE602008003976D1 DE602008003976T DE602008003976T DE602008003976D1 DE 602008003976 D1 DE602008003976 D1 DE 602008003976D1 DE 602008003976 T DE602008003976 T DE 602008003976T DE 602008003976 T DE602008003976 T DE 602008003976T DE 602008003976 D1 DE602008003976 D1 DE 602008003976D1
Authority
DE
Germany
Prior art keywords
spatial subchannel
precoding device
subchannel selection
selection
precoding
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.)
Active
Application number
DE602008003976T
Other languages
English (en)
Inventor
Christian Guthy
Wolfgang Utschick
Guido Dietl
Josef A Nossek
Pedro Tejero
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.)
NTT Docomo Inc
Original Assignee
NTT Docomo 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 NTT Docomo Inc filed Critical NTT Docomo Inc
Publication of DE602008003976D1 publication Critical patent/DE602008003976D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04B7/0426—Power distribution
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
DE602008003976T 2008-05-20 2008-05-20 Räumliche Unterkanalauswahl und Vorcodiervorrichtung Active DE602008003976D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08009276A EP2124351B1 (de) 2008-05-20 2008-05-20 Räumliche Unterkanalauswahl und Vorcodiervorrichtung

Publications (1)

Publication Number Publication Date
DE602008003976D1 true DE602008003976D1 (de) 2011-01-27

Family

ID=40084292

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602008003976T Active DE602008003976D1 (de) 2008-05-20 2008-05-20 Räumliche Unterkanalauswahl und Vorcodiervorrichtung

Country Status (5)

Country Link
US (1) US8379747B2 (de)
EP (1) EP2124351B1 (de)
JP (1) JP4830001B2 (de)
CN (1) CN101599787B (de)
DE (1) DE602008003976D1 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7826416B2 (en) * 2005-09-21 2010-11-02 Broadcom Corporation Method and system for a simplified user group selection scheme with finite-rate channel state information feedback for FDD multiuser MIMO downlink transmission
US8675760B2 (en) * 2005-09-21 2014-03-18 Broadcom Corporation Method and system for selecting a user group using hybrid-quantized channel direction information feedbacks from MIMO capable mobile devices
US7680205B2 (en) * 2006-07-28 2010-03-16 Broadcom Corporation Method and system for transmitter beamforming for reduced complexity multiple input multiple output (MIMO) transceivers
EP2017973A1 (de) * 2007-07-20 2009-01-21 Lucent Technologies Inc. Verfahren und Vorrichtungen zur Bestimmung einer Teilmenge von Unterkanälen in einem drahtlosen Kommunikationsnetz mit Relais
ES2532517T3 (es) * 2008-03-13 2015-03-27 Eldolab Holding B.V. Método y aparato para repetir información de iluminación en una estructura de bus de encadenamiento mariposa
US9178738B2 (en) * 2009-11-03 2015-11-03 Telefonaktiebolaget L M Ericsson (Publ) Channel estimation in OFDM receiver equipment
ES2809241T3 (es) * 2009-11-27 2021-03-03 Nokia Solutions & Networks Oy Comunicación de dispositivo a dispositivo
CN102104450B (zh) * 2009-12-22 2016-02-03 上海贝尔股份有限公司 Mu-mimo系统中的发送方法和设备
EP2410705B1 (de) * 2010-07-20 2015-08-19 NTT DoCoMo, Inc. Vorrichtung und Verfahren zur Berechnung der Empfangsparameter für ein MIMO-System
US8509194B2 (en) * 2010-10-26 2013-08-13 Qualcomm Incorporated Dirty paper coding and reference signal design
US8891604B2 (en) * 2011-09-28 2014-11-18 Nec Laboratories America, Inc. Coordinated multi-point transmission
US9331879B2 (en) * 2012-03-30 2016-05-03 Rensselaer Polytechnic Institute Multi-channel through-wall communication system using crosstalk suppression
EP2645653B1 (de) 2012-03-30 2016-03-30 NTT DoCoMo, Inc. Übertragungsfilterrechner, Kommunikationsvorrichtung und Verfahren
EP2648342B1 (de) * 2012-04-05 2016-02-03 Alcatel Lucent Vorrichtungen, Verfahren und Computerprogramme für einen mobilen Sender-Empfänger und für einen Basisstations-Sender-Empfänger
US20140293904A1 (en) * 2013-03-28 2014-10-02 Futurewei Technologies, Inc. Systems and Methods for Sparse Beamforming Design
EP2866475A1 (de) 2013-10-23 2015-04-29 Thomson Licensing Verfahren und Vorrichtung zur Decodierung einer Audioschallfelddarstellung für Audiowiedergabe mittels 2D-Einstellungen
EP2887560A1 (de) 2013-12-18 2015-06-24 Alcatel Lucent Strahlformungsvorrichtung, Verfahren und Computerprogramm für einen Transceiver
US10110361B2 (en) * 2014-03-04 2018-10-23 Mediatek Inc. Subchannel feedback for OFDMA systems
CN104092519B (zh) * 2014-07-29 2017-07-18 重庆邮电大学 一种基于加权和速率最大化的多用户mimo协作传输方法
CN104320219B (zh) * 2014-10-30 2017-11-07 浙江理工大学 多用户信能同传系统低复杂度收发机设计方法
EP3361802B1 (de) * 2015-11-02 2020-03-18 Sony Corporation Informationsverarbeitungsvorrichtung und kommunikationssystem
CN106788859A (zh) * 2016-12-29 2017-05-31 深圳天珑无线科技有限公司 一种能量收集的方法及装置
US10439703B2 (en) * 2017-05-30 2019-10-08 Telefonaktiebolaget Lm Ericsson (Publ) Beam selection for a radio transceiver device
US10848211B2 (en) 2018-07-06 2020-11-24 Apple Inc. Group MIMO

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4350491B2 (ja) * 2002-12-05 2009-10-21 パナソニック株式会社 無線通信システム、無線通信方法、及び無線通信装置
US20040176097A1 (en) * 2003-02-06 2004-09-09 Fiona Wilson Allocation of sub channels of MIMO channels of a wireless network
JP4536780B2 (ja) * 2004-11-05 2010-09-01 株式会社エヌ・ティ・ティ・ドコモ マルチユーザー伝送システム
US7826416B2 (en) * 2005-09-21 2010-11-02 Broadcom Corporation Method and system for a simplified user group selection scheme with finite-rate channel state information feedback for FDD multiuser MIMO downlink transmission
CN101166052B (zh) * 2006-10-19 2012-05-23 株式会社Ntt都科摩 一种多输入多输出系统的预编码方法及使用该方法的设备
DE602007005974D1 (de) * 2007-03-02 2010-06-02 Ntt Docomo Inc Subkanalzuweisungsgerät für die Zuweisung von Subkanälen eines MIMO-Funkkanals
US8111771B2 (en) * 2007-06-19 2012-02-07 Samsung Electronics Co., Ltd. Wireless communication apparatus and method using beamforming

Also Published As

Publication number Publication date
EP2124351B1 (de) 2010-12-15
EP2124351A1 (de) 2009-11-25
US20090323848A1 (en) 2009-12-31
CN101599787A (zh) 2009-12-09
CN101599787B (zh) 2013-08-14
US8379747B2 (en) 2013-02-19
JP2010004525A (ja) 2010-01-07
JP4830001B2 (ja) 2011-12-07

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