FR2682838B1 - RADIO RECEIVER AND TRANSMITTER PRODUCING DIVERSITY. - Google Patents

RADIO RECEIVER AND TRANSMITTER PRODUCING DIVERSITY.

Info

Publication number
FR2682838B1
FR2682838B1 FR9210640A FR9210640A FR2682838B1 FR 2682838 B1 FR2682838 B1 FR 2682838B1 FR 9210640 A FR9210640 A FR 9210640A FR 9210640 A FR9210640 A FR 9210640A FR 2682838 B1 FR2682838 B1 FR 2682838B1
Authority
FR
France
Prior art keywords
radio receiver
transmitter producing
diversity
producing diversity
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
FR9210640A
Other languages
French (fr)
Other versions
FR2682838A1 (en
Inventor
Andrew William Drewry Watson
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
Publication of FR2682838A1 publication Critical patent/FR2682838A1/en
Application granted granted Critical
Publication of FR2682838B1 publication Critical patent/FR2682838B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0891—Space-time diversity
    • H04B7/0894—Space-time diversity using different delays 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
    • H04B7/0667—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
    • H04B7/0671—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 delays between antennas
    • 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
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Radio Relay Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
FR9210640A 1991-09-07 1992-09-07 RADIO RECEIVER AND TRANSMITTER PRODUCING DIVERSITY. Expired - Fee Related FR2682838B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9119194A GB2259430B (en) 1991-09-07 1991-09-07 Radio receiver and transmitter providing diversity

Publications (2)

Publication Number Publication Date
FR2682838A1 FR2682838A1 (en) 1993-04-23
FR2682838B1 true FR2682838B1 (en) 1996-07-12

Family

ID=10701102

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9210640A Expired - Fee Related FR2682838B1 (en) 1991-09-07 1992-09-07 RADIO RECEIVER AND TRANSMITTER PRODUCING DIVERSITY.

Country Status (13)

Country Link
JP (1) JPH06169273A (en)
KR (1) KR930007119A (en)
AU (1) AU2098192A (en)
CA (1) CA2076290A1 (en)
DE (1) DE4229573A1 (en)
FI (1) FI923987A (en)
FR (1) FR2682838B1 (en)
GB (1) GB2259430B (en)
HK (1) HK1001340A1 (en)
IL (1) IL102817A (en)
IT (1) IT1258477B (en)
PL (1) PL174158B1 (en)
SE (1) SE9202541L (en)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5659572A (en) 1993-11-22 1997-08-19 Interdigital Technology Corporation Phased array spread spectrum system and method
US5614914A (en) 1994-09-06 1997-03-25 Interdigital Technology Corporation Wireless telephone distribution system with time and space diversity transmission for determining receiver location
GB9424341D0 (en) * 1994-12-02 1995-01-18 Philips Electronics Uk Ltd Receiver diversity
JPH10512114A (en) * 1994-12-29 1998-11-17 モトローラ・インコーポレーテッド Multi-access digital upconverter / modulator and method
US5579341A (en) * 1994-12-29 1996-11-26 Motorola, Inc. Multi-channel digital transceiver and method
GB2299488A (en) * 1995-03-16 1996-10-02 Motorola Ltd Radio antenna arrangement
JPH0974372A (en) * 1995-09-04 1997-03-18 Matsushita Electric Ind Co Ltd Spread spectrum radio transmitter-receiver
DE19539312A1 (en) * 1995-10-23 1997-04-24 Grundig Emv Procedure for increasing the transmission security in radio alarm systems
KR19990076867A (en) * 1995-12-28 1999-10-25 밀러 럿셀 비 Apparatus and method for providing antenna diversity to a portable radiotelephone
JPH10247869A (en) 1997-03-04 1998-09-14 Nec Corp Diversity circuit
US5926503A (en) * 1997-08-27 1999-07-20 Motorola, Inc. DS-CDMA receiver and forward link diversity method
GB2332124B (en) * 1997-12-05 2002-07-17 British Broadcasting Corp Digital radio communication system
WO2000049730A1 (en) 1999-02-16 2000-08-24 Mitsubishi Denki Kabushiki Kaisha Radio communication system, transmitter and receiver
JP3379465B2 (en) 1999-03-03 2003-02-24 日本電気株式会社 Wireless communication system, base station and mobile device used for the same
DE10026538A1 (en) * 2000-05-27 2001-11-29 Deutsche Telekom Ag Method and diversity receiving device for receiving a multicarrier signal
US6748024B2 (en) * 2001-03-28 2004-06-08 Nokia Corporation Non-zero complex weighted space-time code for multiple antenna transmission
JP4731055B2 (en) * 2001-06-29 2011-07-20 パナソニック株式会社 Wireless communication apparatus and wireless communication method
US8233555B2 (en) 2004-05-17 2012-07-31 Qualcomm Incorporated Time varying delay diversity of OFDM
JPWO2006011424A1 (en) * 2004-07-28 2008-05-01 松下電器産業株式会社 Diversity type receiving apparatus and receiving method
GB2423441A (en) * 2005-02-22 2006-08-23 Cambridge Silicon Radio Ltd Reducing signal paths required in an antenna diversity system
GB2427338B (en) * 2005-06-17 2010-01-20 Univ Cambridge Tech Restoring corrupted audio signals
US8588710B2 (en) 2005-10-05 2013-11-19 Telecom Italia S.P.A. Method and system for multiple antenna communications, related apparatus and corresponding computer program product
JP2010183171A (en) 2009-02-03 2010-08-19 Toshiba Corp Receiver
JP2010187188A (en) * 2009-02-12 2010-08-26 Softbank Mobile Corp Radio relay device and radio relay system
GB2472074B (en) * 2009-07-24 2012-05-16 Vodafone Plc System and method utilising transmit diversity
GB2482761B (en) * 2011-06-17 2015-12-23 Airwave Solutions Ltd Communications system, apparatus and method
WO2015053110A1 (en) * 2013-10-10 2015-04-16 ソニー株式会社 Reception device, reception method, and program
US11791810B2 (en) 2019-08-13 2023-10-17 Nanowave Technologies Inc. Transposed delay line oscillator and method
JP7486305B2 (en) * 2019-11-22 2024-05-17 日本無線株式会社 Wireless receiving device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB854720A (en) * 1958-05-12 1960-11-23 Lenkurt Electric Co Inc Improvements in or relating to electrical diversity signalling systems
JPS5255310A (en) * 1975-10-30 1977-05-06 Kokusai Denshin Denwa Co Ltd Phase control circuit
US4160952A (en) * 1978-05-12 1979-07-10 Bell Telephone Laboratories, Incorporated Space diversity receiver with combined step and continuous phase control
FR2628913B1 (en) * 1988-03-18 1990-06-29 Alcatel Thomson Faisceaux RECEIVER FOR SPACE DIVERSITY OVER-THE-AIR TRANSMISSION SYSTEM
FR2628914B1 (en) * 1988-03-18 1990-06-29 Alcatel Thomson Faisceaux RECEIVER FOR SPACE DIVERSITY WIRELESS TRANSMISSION SYSTEM, INCLUDING A DIVERSITY COMBINER
GB2237706A (en) * 1989-11-03 1991-05-08 Racal Res Ltd Radio communications link with diversity

Also Published As

Publication number Publication date
ITRM920645A1 (en) 1994-03-04
DE4229573A1 (en) 1993-04-15
IL102817A0 (en) 1993-02-21
PL174158B1 (en) 1998-06-30
SE9202541L (en) 1993-03-08
GB2259430A (en) 1993-03-10
FR2682838A1 (en) 1993-04-23
FI923987A0 (en) 1992-09-04
CA2076290A1 (en) 1993-03-08
FI923987A (en) 1993-03-08
HK1001340A1 (en) 1998-06-12
PL295855A1 (en) 1993-05-04
ITRM920645A0 (en) 1992-09-04
SE9202541D0 (en) 1992-09-04
IT1258477B (en) 1996-02-26
GB9119194D0 (en) 1991-10-23
GB2259430B (en) 1996-05-01
JPH06169273A (en) 1994-06-14
KR930007119A (en) 1993-04-22
IL102817A (en) 1996-01-19
AU2098192A (en) 1993-03-11

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Legal Events

Date Code Title Description
ST Notification of lapse