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DE60307140D1 - Vorrichtung und verfahren zur zyklischen verzögerungsdiversität - Google Patents

Vorrichtung und verfahren zur zyklischen verzögerungsdiversität

Info

Publication number
DE60307140D1
DE60307140D1 DE60307140T DE60307140T DE60307140D1 DE 60307140 D1 DE60307140 D1 DE 60307140D1 DE 60307140 T DE60307140 T DE 60307140T DE 60307140 T DE60307140 T DE 60307140T DE 60307140 D1 DE60307140 D1 DE 60307140D1
Authority
DE
Germany
Prior art keywords
delay diversity
cyclical delay
cyclical
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.)
Expired - Lifetime
Application number
DE60307140T
Other languages
English (en)
Other versions
DE60307140T2 (de
Inventor
Gerhard Bauch
Shamim Malik
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 DE60307140D1 publication Critical patent/DE60307140D1/de
Application granted granted Critical
Publication of DE60307140T2 publication Critical patent/DE60307140T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0071—Use of interleaving
    • 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
    • H04L27/2602—Signal structure
    • 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
    • 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
    • H04B7/0676—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 random or pseudo-random delays

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radio Transmission System (AREA)
DE60307140T 2003-09-30 2003-09-30 Vorrichtung und verfahren zur zyklischen verzögerungsdiversität Expired - Lifetime DE60307140T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2003/010846 WO2005041441A1 (en) 2003-09-30 2003-09-30 Apparatus and method for cyclic delay diversity

Publications (2)

Publication Number Publication Date
DE60307140D1 true DE60307140D1 (de) 2006-09-07
DE60307140T2 DE60307140T2 (de) 2007-08-02

Family

ID=34485997

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60307140T Expired - Lifetime DE60307140T2 (de) 2003-09-30 2003-09-30 Vorrichtung und verfahren zur zyklischen verzögerungsdiversität

Country Status (5)

Country Link
EP (1) EP1573936B1 (de)
JP (1) JP4300368B2 (de)
AU (1) AU2003271665A1 (de)
DE (1) DE60307140T2 (de)
WO (1) WO2005041441A1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8204149B2 (en) 2003-12-17 2012-06-19 Qualcomm Incorporated Spatial spreading in a multi-antenna communication system
US8923785B2 (en) 2004-05-07 2014-12-30 Qualcomm Incorporated Continuous beamforming for a MIMO-OFDM system
US8285226B2 (en) * 2004-05-07 2012-10-09 Qualcomm Incorporated Steering diversity for an OFDM-based multi-antenna communication system
US8233555B2 (en) 2004-05-17 2012-07-31 Qualcomm Incorporated Time varying delay diversity of OFDM
US7110463B2 (en) 2004-06-30 2006-09-19 Qualcomm, Incorporated Efficient computation of spatial filter matrices for steering transmit diversity in a MIMO communication system
US7978649B2 (en) 2004-07-15 2011-07-12 Qualcomm, Incorporated Unified MIMO transmission and reception
JP4841256B2 (ja) * 2005-06-28 2011-12-21 三洋電機株式会社 無線装置
JP4781116B2 (ja) 2005-06-30 2011-09-28 三洋電機株式会社 無線装置
US20070041457A1 (en) * 2005-08-22 2007-02-22 Tamer Kadous Method and apparatus for providing antenna diversity in a wireless communication system
CN101729118B (zh) 2005-09-01 2016-03-23 施耐普特拉克股份有限公司 发送控制方法
JP4841333B2 (ja) * 2005-09-19 2011-12-21 三洋電機株式会社 無線装置およびそれを利用した通信システム
ATE554538T1 (de) * 2005-12-20 2012-05-15 Sharp Kk Sendesteuerverfahren, basisstation, mobileinheit und kommunikationssystem mit verzögerungsdiversität
KR101241895B1 (ko) * 2006-04-10 2013-03-11 엘지전자 주식회사 다수의 반송파를 이용한 반복 전송 방법
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
US20160255645A1 (en) * 2015-02-27 2016-09-01 Intel IP Corporation Cyclic shift diversity in wireless communications
JP6730249B2 (ja) * 2017-12-01 2020-07-29 ソフトバンク株式会社 無線装置及び無線システム

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6842487B1 (en) * 2000-09-22 2005-01-11 Telefonaktiebolaget Lm Ericsson (Publ) Cyclic delay diversity for mitigating intersymbol interference in OFDM systems

Also Published As

Publication number Publication date
AU2003271665A1 (en) 2005-05-11
JP2007538414A (ja) 2007-12-27
DE60307140T2 (de) 2007-08-02
EP1573936B1 (de) 2006-07-26
WO2005041441A1 (en) 2005-05-06
EP1573936A1 (de) 2005-09-14
JP4300368B2 (ja) 2009-07-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition