GB2313237B - Method and apparatus for transmitter antenna array adjustment - Google Patents

Method and apparatus for transmitter antenna array adjustment

Info

Publication number
GB2313237B
GB2313237B GB9610357A GB9610357A GB2313237B GB 2313237 B GB2313237 B GB 2313237B GB 9610357 A GB9610357 A GB 9610357A GB 9610357 A GB9610357 A GB 9610357A GB 2313237 B GB2313237 B GB 2313237B
Authority
GB
United Kingdom
Prior art keywords
antenna array
transmitter antenna
array adjustment
adjustment
transmitter
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
GB9610357A
Other versions
GB2313237A (en
GB9610357D0 (en
Inventor
Nicholas William 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 UK Ltd
Original Assignee
Motorola 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 Motorola Ltd filed Critical Motorola Ltd
Priority to GB9610357A priority Critical patent/GB2313237B/en
Publication of GB9610357D0 publication Critical patent/GB9610357D0/en
Priority to DE69705356T priority patent/DE69705356T2/en
Priority to IL12057497A priority patent/IL120574A/en
Priority to EP97105365A priority patent/EP0807989B1/en
Priority to AU17828/97A priority patent/AU723992B2/en
Priority to CA002202829A priority patent/CA2202829C/en
Priority to US08/855,173 priority patent/US5999826A/en
Priority to CN97111190.1A priority patent/CN1116747C/en
Priority to JP14104097A priority patent/JP4105254B2/en
Priority to HU9700908A priority patent/HU218636B/en
Priority to RU97108171A priority patent/RU2141168C1/en
Priority to BR9703357A priority patent/BR9703357A/en
Priority to KR1019970019503A priority patent/KR100495962B1/en
Publication of GB2313237A publication Critical patent/GB2313237A/en
Priority to US09/415,168 priority patent/US6192256B1/en
Application granted granted Critical
Publication of GB2313237B publication Critical patent/GB2313237B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04B7/0615—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
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/12—Neutralising, balancing, or compensation arrangements
    • H04B1/123—Neutralising, balancing, or compensation arrangements using adaptive balancing or compensation means
    • H04B1/126—Neutralising, balancing, or compensation arrangements using adaptive balancing or compensation means having multiple inputs, e.g. auxiliary antenna for receiving interfering signal
    • 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
    • H04B7/0636—Feedback format
    • 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
    • H04B7/0636—Feedback format
    • H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
GB9610357A 1996-05-17 1996-05-17 Method and apparatus for transmitter antenna array adjustment Expired - Fee Related GB2313237B (en)

Priority Applications (14)

Application Number Priority Date Filing Date Title
GB9610357A GB2313237B (en) 1996-05-17 1996-05-17 Method and apparatus for transmitter antenna array adjustment
DE69705356T DE69705356T2 (en) 1996-05-17 1997-04-01 Method and device for weighting a transmission path
IL12057497A IL120574A (en) 1996-05-17 1997-04-01 Method and devices for transmitter path weights
EP97105365A EP0807989B1 (en) 1996-05-17 1997-04-01 Devices for transmitter path weights and methods therefor
AU17828/97A AU723992B2 (en) 1996-05-17 1997-04-10 Devices for transmitter path weights and methods therefor
CA002202829A CA2202829C (en) 1996-05-17 1997-04-16 Devices for transmitter path weights and methods therefor
US08/855,173 US5999826A (en) 1996-05-17 1997-05-13 Devices for transmitter path weights and methods therefor
JP14104097A JP4105254B2 (en) 1996-05-17 1997-05-15 Apparatus and method for transmission path weight
CN97111190.1A CN1116747C (en) 1996-05-17 1997-05-15 Devices for transmitter weights and methods therefor
HU9700908A HU218636B (en) 1996-05-17 1997-05-16 Method for generatin weights for data transmission path and transmitting and receving communication devices
RU97108171A RU2141168C1 (en) 1996-05-17 1997-05-16 Device and method for weighting signals in radio transmission path
BR9703357A BR9703357A (en) 1996-05-17 1997-05-16 Process of generating weights process of operating communication device weighing process of transmission path communication device receiving communication device process of transmitting reference signal and process of receiving transmitted reference signal
KR1019970019503A KR100495962B1 (en) 1996-05-17 1997-05-17 Path weighted transmitter and method
US09/415,168 US6192256B1 (en) 1996-05-17 1999-10-08 Devices for transmitter path weights and methods therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9610357A GB2313237B (en) 1996-05-17 1996-05-17 Method and apparatus for transmitter antenna array adjustment

Publications (3)

Publication Number Publication Date
GB9610357D0 GB9610357D0 (en) 1996-07-24
GB2313237A GB2313237A (en) 1997-11-19
GB2313237B true GB2313237B (en) 2000-08-02

Family

ID=10793878

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9610357A Expired - Fee Related GB2313237B (en) 1996-05-17 1996-05-17 Method and apparatus for transmitter antenna array adjustment

Country Status (1)

Country Link
GB (1) GB2313237B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5936569A (en) * 1997-12-02 1999-08-10 Nokia Telecommunications Oy Method and arrangement for adjusting antenna pattern
EP1445875B1 (en) * 1997-12-23 2009-04-08 AT&T Mobility II LLC Near-optimal low-complexity decoding of space-time codes for wireless applications
US6188736B1 (en) 1997-12-23 2001-02-13 At&T Wireless Svcs. Inc. Near-optimal low-complexity decoding of space-time codes for fixed wireless applications
FI980725A (en) * 1998-03-31 1999-10-01 Nokia Networks Oy The method improves the quality of the radio connection in the cellular radio network
JP3554207B2 (en) * 1998-11-10 2004-08-18 松下電器産業株式会社 Wireless communication device and wireless communication method
US6901062B2 (en) * 1999-12-01 2005-05-31 Kathrein-Werke Kg Adaptive antenna array wireless data access point
US6952454B1 (en) 2000-03-22 2005-10-04 Qualcomm, Incorporated Multiplexing of real time services and non-real time services for OFDM systems
US6473467B1 (en) * 2000-03-22 2002-10-29 Qualcomm Incorporated Method and apparatus for measuring reporting channel state information in a high efficiency, high performance communications system
DE10026077B4 (en) 2000-05-25 2007-03-22 Siemens Ag Beamforming method
JP4330767B2 (en) 2000-06-26 2009-09-16 株式会社エヌ・ティ・ティ・ドコモ Communication method and base station apparatus performing automatic retransmission request

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2115984A (en) * 1982-03-01 1983-09-14 Raytheon Co Transceiver element
US4492962A (en) * 1981-08-31 1985-01-08 Hansen Peder M Transmitting adaptive array antenna
GB2266998A (en) * 1992-05-11 1993-11-17 Motorola Inc Beam pattern equalization method for an adaptive array
WO1994009568A1 (en) * 1992-10-09 1994-04-28 E-Systems, Inc. Adaptive co-channel interference reduction system for cellular telephone central base stations
EP0595247A1 (en) * 1992-10-28 1994-05-04 Atr Optical And Radio Communications Research Laboratories Apparatus for controlling array antenna comprising a plurality of antenna elements and method therefor
GB2281660A (en) * 1993-09-03 1995-03-08 Matra Marconi Space Uk Ltd Spacecraft beam former
US5471647A (en) * 1993-04-14 1995-11-28 The Leland Stanford Junior University Method for minimizing cross-talk in adaptive transmission antennas
WO1997000543A1 (en) * 1995-06-16 1997-01-03 Watkins-Johnson Company Method and apparatus for adaptive transmission beam forming in a wireless communication system
WO1997027643A1 (en) * 1996-01-27 1997-07-31 Motorola Limited Apparatus and method for adaptive beamforming in an antenna array
GB2323969A (en) * 1983-06-11 1998-10-07 Standard Telephones Cables Ltd Adaptive antenna arrays

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4492962A (en) * 1981-08-31 1985-01-08 Hansen Peder M Transmitting adaptive array antenna
GB2115984A (en) * 1982-03-01 1983-09-14 Raytheon Co Transceiver element
GB2323969A (en) * 1983-06-11 1998-10-07 Standard Telephones Cables Ltd Adaptive antenna arrays
GB2266998A (en) * 1992-05-11 1993-11-17 Motorola Inc Beam pattern equalization method for an adaptive array
WO1994009568A1 (en) * 1992-10-09 1994-04-28 E-Systems, Inc. Adaptive co-channel interference reduction system for cellular telephone central base stations
EP0595247A1 (en) * 1992-10-28 1994-05-04 Atr Optical And Radio Communications Research Laboratories Apparatus for controlling array antenna comprising a plurality of antenna elements and method therefor
US5471647A (en) * 1993-04-14 1995-11-28 The Leland Stanford Junior University Method for minimizing cross-talk in adaptive transmission antennas
GB2281660A (en) * 1993-09-03 1995-03-08 Matra Marconi Space Uk Ltd Spacecraft beam former
WO1997000543A1 (en) * 1995-06-16 1997-01-03 Watkins-Johnson Company Method and apparatus for adaptive transmission beam forming in a wireless communication system
WO1997027643A1 (en) * 1996-01-27 1997-07-31 Motorola Limited Apparatus and method for adaptive beamforming in an antenna array

Also Published As

Publication number Publication date
GB2313237A (en) 1997-11-19
GB9610357D0 (en) 1996-07-24

Similar Documents

Publication Publication Date Title
GB2322491B (en) Method and apparatus for receiving communication signals
GB9407038D0 (en) Method and apparatus for transmitting and receiving encrypted signals
AU1830995A (en) Method and apparatus for measurement-while-drilling utilizing improved antennas
SG75807A1 (en) Signal transmitting method and apparatus
AU7476796A (en) Method and apparatus for wireless communication employing collector arrays
GB2309591B (en) Apparatus and method for adaptive beamforming
AU7547096A (en) Method and apparatus for wireless communication system organization
HK1019272A1 (en) Device and method for radio transmitters
GB2320632B (en) Method and apparatus for transmitting and receiving signals
EP0735675A3 (en) Radio communication apparatus and adjusting method thereof
AU3720795A (en) Method and apparatus for calibrating an antenna array
EP0762533A3 (en) Antenna apparatus
GB2357678B (en) Method and apparatus for transmitting data
GB2313237B (en) Method and apparatus for transmitter antenna array adjustment
GB2312561B (en) An antenna apparatus
GB2310344B (en) Method and apparatus for transmitting data
GB9516868D0 (en) Apparatus for transmitting radio signals
GB2324918B (en) Method and apparatus for transmitting radio frequency signals
AU5073898A (en) Method and apparatus for calibration
GB2307050B (en) Method and apparatus for measuring antenna performance
GB9620577D0 (en) Method and apparatus for antenna orientation
SI0754390T1 (en) Method and apparatus for transmitting and receiving encrypted signals

Legal Events

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

Effective date: 20090517