DE602004021143D1 - Vorrichtung und verfahren zum erhalten von verzögerungs-diversity - Google Patents

Vorrichtung und verfahren zum erhalten von verzögerungs-diversity

Info

Publication number
DE602004021143D1
DE602004021143D1 DE602004021143T DE602004021143T DE602004021143D1 DE 602004021143 D1 DE602004021143 D1 DE 602004021143D1 DE 602004021143 T DE602004021143 T DE 602004021143T DE 602004021143 T DE602004021143 T DE 602004021143T DE 602004021143 D1 DE602004021143 D1 DE 602004021143D1
Authority
DE
Germany
Prior art keywords
delay diversity
obtaining delay
obtaining
diversity
delay
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
DE602004021143T
Other languages
English (en)
Inventor
Gerhard Bauch
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 DE602004021143D1 publication Critical patent/DE602004021143D1/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
    • H04B7/06—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
    • H04B7/0667—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 delayed versions of same signal
    • H04B7/0671—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 delayed versions of same signal using different delays between antennas
    • 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0891—Space-time diversity
    • 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
    • H04L27/2646—Arrangements specific to the transmitter only using feedback from receiver for adjusting OFDM transmission parameters, e.g. transmission timing or guard interval length
    • 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
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
DE602004021143T 2004-08-27 2004-08-27 Vorrichtung und verfahren zum erhalten von verzögerungs-diversity Active DE602004021143D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2004/009595 WO2006021227A1 (en) 2004-08-27 2004-08-27 Apparatus and method for obtaining delay diversity

Publications (1)

Publication Number Publication Date
DE602004021143D1 true DE602004021143D1 (de) 2009-06-25

Family

ID=34958581

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004021143T Active DE602004021143D1 (de) 2004-08-27 2004-08-27 Vorrichtung und verfahren zum erhalten von verzögerungs-diversity

Country Status (4)

Country Link
EP (1) EP1782553B1 (de)
JP (1) JP4195073B2 (de)
DE (1) DE602004021143D1 (de)
WO (1) WO2006021227A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4536778B2 (ja) * 2004-08-27 2010-09-01 株式会社エヌ・ティ・ティ・ドコモ 循環遅延ダイバーシチを達成するための装置および方法
JP4978384B2 (ja) * 2006-10-31 2012-07-18 日本電気株式会社 移動通信システム、送信装置、および送信信号生成方法
JP2008118650A (ja) * 2006-10-31 2008-05-22 Ntt Docomo Inc 循環遅延ダイバーシティ遅延値の確定方法、システム、基地局及びｕｅ
US8780771B2 (en) 2007-02-06 2014-07-15 Qualcomm Incorporated Cyclic delay diversity and precoding for wireless communication
US8509710B2 (en) 2007-02-06 2013-08-13 Qualcomm Incorporated MIMO transmission with explicit and implicit cyclic delays
CN101282198B (zh) * 2007-04-05 2012-03-28 电信科学技术研究院 一种时分双工tdd系统中的上行多天线传输方法及终端
GB2449858B (en) * 2007-06-04 2012-10-17 British Broadcasting Corp Delay diversity transmission apparatus and method
US8325852B2 (en) 2007-06-08 2012-12-04 Samsung Electronics Co., Ltd. CDD precoding for open loop SU MIMO
KR101409730B1 (ko) 2008-01-17 2014-06-19 알까뗄 루슨트 다중-안테나 송신기에서 신호에 대한 순환 지연 맵핑을 행하는 방법 및 장치
JP5031670B2 (ja) * 2008-06-02 2012-09-19 株式会社日立製作所 送信装置、基地局及びシンボル送信方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6377632B1 (en) * 2000-01-24 2002-04-23 Iospan Wireless, Inc. Wireless communication system and method using stochastic space-time/frequency division multiplexing
US6842487B1 (en) * 2000-09-22 2005-01-11 Telefonaktiebolaget Lm Ericsson (Publ) Cyclic delay diversity for mitigating intersymbol interference in OFDM systems
JP3679075B2 (ja) * 2002-09-13 2005-08-03 松下電器産業株式会社 無線送信装置および無線送信方法
US20040087294A1 (en) * 2002-11-04 2004-05-06 Tia Mobile, Inc. Phases array communication system utilizing variable frequency oscillator and delay line network for phase shift compensation

Also Published As

Publication number Publication date
EP1782553B1 (de) 2009-05-13
JP2008511220A (ja) 2008-04-10
WO2006021227A1 (en) 2006-03-02
JP4195073B2 (ja) 2008-12-10
EP1782553A1 (de) 2007-05-09

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition