GB2458528B - wireless communication apparatus - Google Patents

wireless communication apparatus

Info

Publication number
GB2458528B
GB2458528B GB0805410A GB0805410A GB2458528B GB 2458528 B GB2458528 B GB 2458528B GB 0805410 A GB0805410 A GB 0805410A GB 0805410 A GB0805410 A GB 0805410A GB 2458528 B GB2458528 B GB 2458528B
Authority
GB
United Kingdom
Prior art keywords
wireless communication
communication apparatus
wireless
communication
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 - Fee Related
Application number
GB0805410A
Other versions
GB0805410D0 (en
GB2458528A (en
Inventor
Vishakan Ponnampalam
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.)
Toshiba Europe Ltd
Original Assignee
Toshiba Research Europe Ltd
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 Toshiba Research Europe Ltd filed Critical Toshiba Research Europe Ltd
Priority to GB0805410A priority Critical patent/GB2458528B/en
Publication of GB0805410D0 publication Critical patent/GB0805410D0/en
Publication of GB2458528A publication Critical patent/GB2458528A/en
Application granted granted Critical
Publication of GB2458528B publication Critical patent/GB2458528B/en
Expired - Fee Related 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
    • H04B7/0615—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
    • H04B7/0617—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 for beam forming
    • 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
    • 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
    • H04B7/063—Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode selection
    • 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
    • H04L25/024—Channel estimation channel estimation algorithms
    • H04L25/0242—Channel estimation channel estimation algorithms using matrix methods
    • H04L25/0246—Channel estimation channel estimation algorithms using matrix methods with factorisation
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • H04L25/03203—Trellis search techniques
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • H04L25/03203—Trellis search techniques
    • H04L25/03242—Methods involving sphere decoding
GB0805410A 2008-03-25 2008-03-25 wireless communication apparatus Expired - Fee Related GB2458528B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0805410A GB2458528B (en) 2008-03-25 2008-03-25 wireless communication apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0805410A GB2458528B (en) 2008-03-25 2008-03-25 wireless communication apparatus

Publications (3)

Publication Number Publication Date
GB0805410D0 GB0805410D0 (en) 2008-04-30
GB2458528A GB2458528A (en) 2009-09-30
GB2458528B true GB2458528B (en) 2010-03-24

Family

ID=39386706

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0805410A Expired - Fee Related GB2458528B (en) 2008-03-25 2008-03-25 wireless communication apparatus

Country Status (1)

Country Link
GB (1) GB2458528B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL2630736T3 (en) * 2010-10-19 2017-10-31 Ericsson Telefon Ab L M Antenna device and method for precoding data in a multiple-input multiple-output system
CN106788640B (en) * 2016-04-25 2020-06-16 展讯通信（上海）有限公司 Pairing method for near and far users, terminal equipment and base station equipment
CN114172550A (en) * 2021-12-14 2022-03-11 重庆邮电大学 GMD hybrid precoding based on phase extraction in millimeter wave large-scale MIMO system
CN114785390A (en) * 2022-03-13 2022-07-22 复旦大学 Low-complexity detection decoding algorithm under MIMO channel double diagonalization

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
"Enhanced Lattice-Reduction-Based Precoder with List Quantizer in Broadcast Channel" (HUR ET AL.) Vehicular Technology Conference, 2007. VTC-2007 Fall. 2007 IEEE 66th Sept. 30 2007-Oct. 3 2007 Page(s): 611 - 615 *
"Joint transceiver design for MIMO communications using geometric mean decomposition" (JIANG ET AL.) IEEE Transactions on Signal Processing, Volume 53, Issue 10, Part 1, Oct. 2005 Page(s):3791 - 3803 *
"MIMO Transceiver Design Based on a Modified Geometric Mean Decomposition" (KAN ET AL.) IEEE International Symposium on Circuits and Systems, 2007. ISCAS 2007. 27-30 May 2007 Page(s):677 680 *
Low Complexity MMSE Vector Precoding Using Lattice Reduction for MIMO Systems (FENG ET AL.) IEEE International Conference on Communications, 2007. ICC '07. 24-28 June 2007 Page(s):2598 - 2603 *

Also Published As

Publication number Publication date
GB0805410D0 (en) 2008-04-30
GB2458528A (en) 2009-09-30

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20140325