GB2313261B - Devices for transmitter path weights and methods therefor - Google Patents

Devices for transmitter path weights and methods therefor

Info

Publication number
GB2313261B
GB2313261B GB9610428A GB9610428A GB2313261B GB 2313261 B GB2313261 B GB 2313261B GB 9610428 A GB9610428 A GB 9610428A GB 9610428 A GB9610428 A GB 9610428A GB 2313261 B GB2313261 B GB 2313261B
Authority
GB
United Kingdom
Prior art keywords
devices
methods therefor
transmitter path
path weights
weights
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
GB9610428A
Other versions
GB2313261A (en
GB9610428D0 (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 GB9610428A priority Critical patent/GB2313261B/en
Publication of GB9610428D0 publication Critical patent/GB9610428D0/en
Priority to EP97105365A priority patent/EP0807989B1/en
Priority to IL12057497A priority patent/IL120574A/en
Priority to DE69705356T priority patent/DE69705356T2/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 JP14104097A priority patent/JP4105254B2/en
Priority to CN97111190.1A priority patent/CN1116747C/en
Priority to RU97108171A priority patent/RU2141168C1/en
Priority to BR9703357A priority patent/BR9703357A/en
Priority to HU9700908A priority patent/HU218636B/en
Priority to KR1019970019503A priority patent/KR100495962B1/en
Publication of GB2313261A publication Critical patent/GB2313261A/en
Priority to US09/415,168 priority patent/US6192256B1/en
Application granted granted Critical
Publication of GB2313261B publication Critical patent/GB2313261B/en
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
    • H04B7/0615—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
    • 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
GB9610428A 1996-05-17 1996-05-17 Devices for transmitter path weights and methods therefor Expired - Lifetime GB2313261B (en)

Priority Applications (14)

Application Number Priority Date Filing Date Title
GB9610428A GB2313261B (en) 1996-05-17 1996-05-17 Devices for transmitter path weights and methods therefor
EP97105365A EP0807989B1 (en) 1996-05-17 1997-04-01 Devices for transmitter path weights and methods therefor
IL12057497A IL120574A (en) 1996-05-17 1997-04-01 Method and devices for transmitter path weights
DE69705356T DE69705356T2 (en) 1996-05-17 1997-04-01 Method and device for weighting a transmission path
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
CN97111190.1A CN1116747C (en) 1996-05-17 1997-05-15 Devices for transmitter weights and methods therefor
JP14104097A JP4105254B2 (en) 1996-05-17 1997-05-15 Apparatus and method for transmission path weight
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
HU9700908A HU218636B (en) 1996-05-17 1997-05-16 Method for generatin weights for data transmission path and transmitting and receving communication devices
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
GB9610428A GB2313261B (en) 1996-05-17 1996-05-17 Devices for transmitter path weights and methods therefor

Publications (3)

Publication Number Publication Date
GB9610428D0 GB9610428D0 (en) 1996-07-24
GB2313261A GB2313261A (en) 1997-11-19
GB2313261B true GB2313261B (en) 2000-08-30

Family

ID=10793936

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9610428A Expired - Lifetime GB2313261B (en) 1996-05-17 1996-05-17 Devices for transmitter path weights and methods therefor

Country Status (1)

Country Link
GB (1) GB2313261B (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6463295B1 (en) 1996-10-11 2002-10-08 Arraycomm, Inc. Power control with signal quality estimation for smart antenna communication systems
US6600914B2 (en) 1999-05-24 2003-07-29 Arraycomm, Inc. System and method for emergency call channel allocation
US6615024B1 (en) 1998-05-01 2003-09-02 Arraycomm, Inc. Method and apparatus for determining signatures for calibrating a communication station having an antenna array
US6690747B2 (en) 1996-10-11 2004-02-10 Arraycomm, Inc. Method for reference signal generation in the presence of frequency offsets in a communications station with spatial processing
US7751854B2 (en) 1999-06-21 2010-07-06 Intel Corporation Null deepening for an adaptive antenna based communication station
US8064944B2 (en) 1996-10-11 2011-11-22 Intel Corporation Power control with signal quality estimation for smart antenna communications systems

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6185440B1 (en) * 1997-12-10 2001-02-06 Arraycomm, Inc. Method for sequentially transmitting a downlink signal from a communication station that has an antenna array to achieve an omnidirectional radiation
US6252915B1 (en) 1998-09-09 2001-06-26 Qualcomm Incorporated System and method for gaining control of individual narrowband channels using a wideband power measurement
DE19850279B4 (en) * 1998-10-30 2005-12-22 Robert Bosch Gmbh Method for the transmission of signals between a first radio station and a second radio station and radio station
ES2212484T3 (en) 1999-03-12 2004-07-16 Motorola, Inc. APPLIANCES AND METHOD OF GENERATION OF THE WEIGHING FACTORS OF THE TRANSMITTER ANTENNAS.
DE69900645T2 (en) * 1999-05-26 2002-09-12 Motorola Inc Transmit diversity method and system with phase control for radio transmission systems
JP2001111464A (en) 1999-10-08 2001-04-20 Matsushita Electric Ind Co Ltd Base station device and method for radio transmission
JP2001333002A (en) * 2000-05-24 2001-11-30 Ntt Docomo Inc Method for estimating transmitting antenna weight in mobile communication system and mobile communication terminal
DE10026077B4 (en) * 2000-05-25 2007-03-22 Siemens Ag Beamforming method
US6434366B1 (en) * 2000-05-31 2002-08-13 Motorola, Inc. Method and system for estimating adaptive array weights used to transmit a signal to a receiver in a wireless communication system
US6795409B1 (en) 2000-09-29 2004-09-21 Arraycomm, Inc. Cooperative polling in a wireless data communication system having smart antenna processing
EP1334573B1 (en) * 2000-11-17 2006-06-14 Nokia Corporation Method for controlling the data signal weighting in multi-element transceivers and corresponding devices and telecommunications network
DE10058060A1 (en) 2000-11-23 2002-05-29 Siemens Ag Method and device for transmitting feedback in a radio communication system
EP1356607A1 (en) * 2001-01-31 2003-10-29 Quinetiq Limited Signal detection using a phased array antenna
GB2376568B (en) 2001-06-12 2005-06-01 Mobisphere Ltd Improvements in or relating to smart antenna arrays
EP1276288B1 (en) * 2001-07-10 2007-01-10 Sony Deutschland GmbH Reference symbols for channel estimation with multicarrier transmission
EP1392005A1 (en) * 2002-08-13 2004-02-25 Siemens Aktiengesellschaft Method for channel estimation and corresponding radio communications system
JP2005260502A (en) * 2004-03-10 2005-09-22 Nec Corp Communication equipment and communication control method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4227249A (en) * 1976-08-09 1980-10-07 The United States Of America As Represented By The Secretary Of The Navy Injected coded reference for adaptive array systems
GB2281660A (en) * 1993-09-03 1995-03-08 Matra Marconi Space Uk Ltd Spacecraft beam former
WO1995026116A1 (en) * 1994-03-24 1995-09-28 Ericsson Inc. Phased array cellular base station and associated methods for enhanced power efficiency

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4227249A (en) * 1976-08-09 1980-10-07 The United States Of America As Represented By The Secretary Of The Navy Injected coded reference for adaptive array systems
GB2281660A (en) * 1993-09-03 1995-03-08 Matra Marconi Space Uk Ltd Spacecraft beam former
WO1995026116A1 (en) * 1994-03-24 1995-09-28 Ericsson Inc. Phased array cellular base station and associated methods for enhanced power efficiency

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
J Liang et al, 1995 International Conference on Acoustics *

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6463295B1 (en) 1996-10-11 2002-10-08 Arraycomm, Inc. Power control with signal quality estimation for smart antenna communication systems
US6690747B2 (en) 1996-10-11 2004-02-10 Arraycomm, Inc. Method for reference signal generation in the presence of frequency offsets in a communications station with spatial processing
US8064944B2 (en) 1996-10-11 2011-11-22 Intel Corporation Power control with signal quality estimation for smart antenna communications systems
US6615024B1 (en) 1998-05-01 2003-09-02 Arraycomm, Inc. Method and apparatus for determining signatures for calibrating a communication station having an antenna array
US6654590B2 (en) 1998-05-01 2003-11-25 Arraycomm, Inc. Determining a calibration function using at least one remote terminal
US6668161B2 (en) 1998-05-01 2003-12-23 Arraycomm, Inc. Determining a spatial signature using a robust calibration signal
US6600914B2 (en) 1999-05-24 2003-07-29 Arraycomm, Inc. System and method for emergency call channel allocation
USRE42224E1 (en) 1999-05-24 2011-03-15 Durham Logistics Llc System and method for emergency call channel allocation
US7751854B2 (en) 1999-06-21 2010-07-06 Intel Corporation Null deepening for an adaptive antenna based communication station

Also Published As

Publication number Publication date
GB2313261A (en) 1997-11-19
GB9610428D0 (en) 1996-07-24

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20110317 AND 20110323

732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20120112 AND 20120118

PE20 Patent expired after termination of 20 years

Expiry date: 20160516