BR9703357A - Process de gerar pesos processo de operar dispositivo de comunicação processo de pesar trajetoria de transmissão dispositivo de comunicação dispositivo de comunicação de recepção processo de transmitir sinal de referência e processo de receber sinal de referência transmitido - Google Patents

Process de gerar pesos processo de operar dispositivo de comunicação processo de pesar trajetoria de transmissão dispositivo de comunicação dispositivo de comunicação de recepção processo de transmitir sinal de referência e processo de receber sinal de referência transmitido

Info

Publication number
BR9703357A
BR9703357A BR9703357A BR9703357A BR9703357A BR 9703357 A BR9703357 A BR 9703357A BR 9703357 A BR9703357 A BR 9703357A BR 9703357 A BR9703357 A BR 9703357A BR 9703357 A BR9703357 A BR 9703357A
Authority
BR
Brazil
Prior art keywords
communication device
reference signal
receiving
transmission path
operating
Prior art date
Application number
BR9703357A
Other languages
English (en)
Inventor
Nicholas Whinnett
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
Priority claimed from GB9610357A external-priority patent/GB2313237B/en
Priority claimed from GB9610428A external-priority patent/GB2313261B/en
Application filed by Motorola Ltd filed Critical Motorola Ltd
Publication of BR9703357A publication Critical patent/BR9703357A/pt

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
    • 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
    • H04B7/0623—Auxiliary parameters, e.g. power control [PCB] or not acknowledged commands [NACK], used as feedback information
    • 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
BR9703357A 1996-05-17 1997-05-16 Process de gerar pesos processo de operar dispositivo de comunicação processo de pesar trajetoria de transmissão dispositivo de comunicação dispositivo de comunicação de recepção processo de transmitir sinal de referência e processo de receber sinal de referência transmitido BR9703357A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9610357A GB2313237B (en) 1996-05-17 1996-05-17 Method and apparatus for transmitter antenna array adjustment
GB9610428A GB2313261B (en) 1996-05-17 1996-05-17 Devices for transmitter path weights and methods therefor

Publications (1)

Publication Number Publication Date
BR9703357A true BR9703357A (pt) 1998-09-15

Family

ID=26309351

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9703357A BR9703357A (pt) 1996-05-17 1997-05-16 Process de gerar pesos processo de operar dispositivo de comunicação processo de pesar trajetoria de transmissão dispositivo de comunicação dispositivo de comunicação de recepção processo de transmitir sinal de referência e processo de receber sinal de referência transmitido

Country Status (12)

Country Link
US (2) US5999826A (pt)
EP (1) EP0807989B1 (pt)
JP (1) JP4105254B2 (pt)
KR (1) KR100495962B1 (pt)
CN (1) CN1116747C (pt)
AU (1) AU723992B2 (pt)
BR (1) BR9703357A (pt)
CA (1) CA2202829C (pt)
DE (1) DE69705356T2 (pt)
HU (1) HU218636B (pt)
IL (1) IL120574A (pt)
RU (1) RU2141168C1 (pt)

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HUP9700908A2 (hu) 1998-04-28
IL120574A0 (en) 1997-08-14
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DE69705356T2 (de) 2002-05-02
US6192256B1 (en) 2001-02-20
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US5999826A (en) 1999-12-07
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HUP9700908A3 (en) 1998-05-28
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AU1782897A (en) 1997-11-20
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