GB2414365B - Method of selecting a downlink transmit diversity technique - Google Patents

Method of selecting a downlink transmit diversity technique

Info

Publication number
GB2414365B
GB2414365B GB0411129A GB0411129A GB2414365B GB 2414365 B GB2414365 B GB 2414365B GB 0411129 A GB0411129 A GB 0411129A GB 0411129 A GB0411129 A GB 0411129A GB 2414365 B GB2414365 B GB 2414365B
Authority
GB
United Kingdom
Prior art keywords
selecting
transmit diversity
downlink transmit
diversity technique
technique
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
GB0411129A
Other versions
GB2414365A (en
GB0411129D0 (en
Inventor
Davood Molkdar
Mayank Kapadia
Nicholas Whinnett
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.)
Motorola Solutions Inc
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Priority to GB0411129A priority Critical patent/GB2414365B/en
Publication of GB0411129D0 publication Critical patent/GB0411129D0/en
Publication of GB2414365A publication Critical patent/GB2414365A/en
Application granted granted Critical
Publication of GB2414365B publication Critical patent/GB2414365B/en
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
    • 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
    • H04B7/0678—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 using different spreading codes 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
    • H04B7/06—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
    • H04B7/0682—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 using phase diversity (e.g. phase sweeping)
    • 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
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0689—Hybrid systems, i.e. switching and simultaneous transmission using different transmission schemes, at least one of them being a diversity transmission scheme
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • 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
    • H04B7/0602—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 antenna switching
    • H04B7/0604—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 antenna switching with predefined switching scheme
    • 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
    • H04B7/0619—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 using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0634—Antenna weights or vector/matrix coefficients
    • 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
    • H04B7/0669—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 channel coding between antennas
GB0411129A 2004-05-19 2004-05-19 Method of selecting a downlink transmit diversity technique Active GB2414365B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0411129A GB2414365B (en) 2004-05-19 2004-05-19 Method of selecting a downlink transmit diversity technique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0411129A GB2414365B (en) 2004-05-19 2004-05-19 Method of selecting a downlink transmit diversity technique

Publications (3)

Publication Number Publication Date
GB0411129D0 GB0411129D0 (en) 2004-06-23
GB2414365A GB2414365A (en) 2005-11-23
GB2414365B true GB2414365B (en) 2008-12-17

Family

ID=32607563

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0411129A Active GB2414365B (en) 2004-05-19 2004-05-19 Method of selecting a downlink transmit diversity technique

Country Status (1)

Country Link
GB (1) GB2414365B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007235762A (en) 2006-03-02 2007-09-13 Fujitsu Ltd Antenna for multi-input/multi-output communication
CN100466489C (en) * 2006-04-11 2009-03-04 中兴通讯股份有限公司 Downlink transmitting and diversity method for supporting uplink discontinuous transmitting wireless system
CN1909407B (en) * 2006-08-28 2010-05-12 华为技术有限公司 Configuration method and system for laminating district and sending diversity mode
WO2009038509A1 (en) * 2007-09-20 2009-03-26 Telefonaktiebolaget Lm Ericsson (Publ) Mimo scheme selection based on user terminal velocity
EP2099140A1 (en) 2008-03-04 2009-09-09 Alcatel, Lucent Base station link adaptation method
ES2394391T3 (en) * 2008-09-11 2013-01-31 Telefonaktiebolaget L M Ericsson (Publ) Transmission Mode Selection
ES2357716B1 (en) * 2009-07-07 2012-03-08 Vodafone España, S.A.U. METHOD AND RADIO CONTROLLER TO ASSIGN TRAFFIC TO A PLURALITY OF RADIO CARRIERS IN MOBILE NETWORKS OF �? WIDE AREA.
ES2358406B1 (en) * 2009-07-07 2012-03-22 Vodafone España, S.A.U. RADIO NETWORK CONTROLLER AND METHOD TO SELECT A TRANSMISSION TECHNOLOGY FOR AN HSDPA CONNECTION.
ES2360329B1 (en) * 2009-07-14 2012-05-08 Vodafone España, S.A.U. METHOD AND CONTROLLER OF RADIO NETWORK TO SELECT A TRANSMISSION TECHNOLOGY FOR COMMUNICATIONS IN MOBILE NETWORKS OF �? WIDE AREA.
ES2370108B1 (en) 2009-09-21 2012-10-26 Vodafone España S.A.U. METHOD AND SYSTEM TO ASSIGN DYNAMICALLY CARRIERS IN A MIMO NETWORK USING S-CPIH
EP2299623B1 (en) * 2010-09-20 2017-05-24 Vodafone Group PLC Resource allocation in a cellular communications system
US8681809B2 (en) 2011-01-10 2014-03-25 Qualcomm Incorporated Dynamic enabling and disabling of CLTD operation via HS SCCH orders

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998052374A2 (en) * 1997-05-13 1998-11-19 Nokia Networks Oy Estimating subscriber terminal speed, selecting cell, and radio system
WO2000011806A1 (en) * 1998-08-25 2000-03-02 Ericsson Inc. Wireless communications system employing selective diversity transmission, method for selectively enabling diversity transmission, and a wireless telecommunications network employing the system or the method
WO2004002011A1 (en) * 2002-06-24 2003-12-31 Qualcomm Incorporated Diversity transmission modes for mimo ofdm communication systems
EP1381172A2 (en) * 2002-07-03 2004-01-14 Samsung Electronics Co., Ltd. Adaptive transmit antenna diversity apparatus and method in a mobile communication system
US20040008648A1 (en) * 2002-07-11 2004-01-15 Schmidl Timothy M. Diversity decisions for downlink antenna transmission
WO2004015887A1 (en) * 2002-08-05 2004-02-19 Nokia Corporation Transmission diversity with two cross-polarised antennas arrays
WO2004030229A2 (en) * 2002-09-30 2004-04-08 Nokia Corporation, Apparatus, and associated method, for effectuating transmit diversity in a commucation system
WO2004040800A1 (en) * 2002-10-28 2004-05-13 Qualcomm Incorporated Utilizing speed and position information to select an operational mode in a wireless communication system

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998052374A2 (en) * 1997-05-13 1998-11-19 Nokia Networks Oy Estimating subscriber terminal speed, selecting cell, and radio system
WO2000011806A1 (en) * 1998-08-25 2000-03-02 Ericsson Inc. Wireless communications system employing selective diversity transmission, method for selectively enabling diversity transmission, and a wireless telecommunications network employing the system or the method
WO2004002011A1 (en) * 2002-06-24 2003-12-31 Qualcomm Incorporated Diversity transmission modes for mimo ofdm communication systems
EP1381172A2 (en) * 2002-07-03 2004-01-14 Samsung Electronics Co., Ltd. Adaptive transmit antenna diversity apparatus and method in a mobile communication system
US20040008648A1 (en) * 2002-07-11 2004-01-15 Schmidl Timothy M. Diversity decisions for downlink antenna transmission
WO2004015887A1 (en) * 2002-08-05 2004-02-19 Nokia Corporation Transmission diversity with two cross-polarised antennas arrays
WO2004030229A2 (en) * 2002-09-30 2004-04-08 Nokia Corporation, Apparatus, and associated method, for effectuating transmit diversity in a commucation system
WO2004040800A1 (en) * 2002-10-28 2004-05-13 Qualcomm Incorporated Utilizing speed and position information to select an operational mode in a wireless communication system

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
RP-020888, December 3-6, 2002, "Applicability of TxAA Mode 2 in HSDPA Channels", http://www.3gpp.mobi/ftp/tsg_ran/TSG_RAN/TSGR_18/ *
TSGR1à24(02)0290, February 18-22, 2002, "System-level performance of transmit diversity (STTD and TxAA) for HSPDA", R1-02-0290.zip, http://www.3gpp.org/ftp/tsg_ran/WG1_RL1/TSGR1_25/Docs/Zips/ *

Also Published As

Publication number Publication date
GB2414365A (en) 2005-11-23
GB0411129D0 (en) 2004-06-23

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