[go: up one dir, main page]

IL102817A - Radio receiver and transmitter - Google Patents

Radio receiver and transmitter

Info

Publication number
IL102817A
IL102817A IL10281792A IL10281792A IL102817A IL 102817 A IL102817 A IL 102817A IL 10281792 A IL10281792 A IL 10281792A IL 10281792 A IL10281792 A IL 10281792A IL 102817 A IL102817 A IL 102817A
Authority
IL
Israel
Prior art keywords
antenna
signals
signal
antennas
received
Prior art date
Application number
IL10281792A
Other languages
English (en)
Hebrew (he)
Other versions
IL102817A0 (en
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 IL102817A0 publication Critical patent/IL102817A0/xx
Publication of IL102817A publication Critical patent/IL102817A/en

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
    • H04B7/08—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
    • 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
    • H04B7/06—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)
IL10281792A 1991-09-07 1992-08-14 Radio receiver and transmitter IL102817A (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
IL102817A0 IL102817A0 (en) 1993-02-21
IL102817A true IL102817A (en) 1996-01-19

Family

ID=10701102

Family Applications (1)

Application Number Title Priority Date Filing Date
IL10281792A IL102817A (en) 1991-09-07 1992-08-14 Radio receiver and transmitter

Country Status (12)

Country Link
JP (1) JPH06169273A (it)
KR (1) KR930007119A (it)
AU (1) AU2098192A (it)
CA (1) CA2076290A1 (it)
DE (1) DE4229573A1 (it)
FI (1) FI923987A7 (it)
FR (1) FR2682838B1 (it)
GB (1) GB2259430B (it)
IL (1) IL102817A (it)
IT (1) IT1258477B (it)
PL (1) PL174158B1 (it)
SE (1) SE9202541L (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4014312A4 (en) * 2019-08-13 2023-08-30 Nanowave Technologies Inc. TRANSPOSED DELAY LINE OSCILLATOR AND METHOD

Families Citing this family (28)

* 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
DE19581876T1 (de) * 1994-12-29 1997-11-27 Motorola Inc Digitaler Aufwärtswandler/Modulator mit Mehrfachzugriff und Verfahren
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 (ja) * 1995-09-04 1997-03-18 Matsushita Electric Ind Co Ltd スペクトラム拡散無線伝送受信装置
DE19539312A1 (de) * 1995-10-23 1997-04-24 Grundig Emv Verfahren zur Erhöhung der Übertragungssicherheit bei Funkalarmanlagen
EP0870370A1 (en) * 1995-12-28 1998-10-14 Qualcomm Incorporated Method and apparatus for providing antenna diversity in a portable radiotelephone
JPH10247869A (ja) * 1997-03-04 1998-09-14 Nec Corp ダイバーシティ回路
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
DE69940111D1 (de) 1999-02-16 2009-01-29 Mitsubishi Electric Corp Funkübertragungssystem, sender und empfänger
JP3379465B2 (ja) * 1999-03-03 2003-02-24 日本電気株式会社 無線通信システム及びそれに用いる基地局並びに移動機
DE10026538A1 (de) * 2000-05-27 2001-11-29 Deutsche Telekom Ag Verfahren und Diversity-Empfangsvorrichtung zum Empfangen eines Mehrträger-Signals
US6748024B2 (en) * 2001-03-28 2004-06-08 Nokia Corporation Non-zero complex weighted space-time code for multiple antenna transmission
JP4731055B2 (ja) * 2001-06-29 2011-07-20 パナソニック株式会社 無線通信装置及び無線通信方法
US8233555B2 (en) * 2004-05-17 2012-07-31 Qualcomm Incorporated Time varying delay diversity of OFDM
US20060293006A1 (en) * 2004-07-28 2006-12-28 Tomohiko Taniguchi Diversity type receiver 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
EP1949558B1 (en) 2005-10-05 2015-01-14 Telecom Italia S.p.A. Method and system for multiple antenna communications, related apparatus and corresponding computer program product
JP2010183171A (ja) 2009-02-03 2010-08-19 Toshiba Corp 受信機
JP2010187188A (ja) * 2009-02-12 2010-08-26 Softbank Mobile Corp 無線中継装置及び無線中継システム
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
US9800315B2 (en) * 2013-10-10 2017-10-24 Sony Corporation Reception apparatus, reception method, and program
JP7486305B2 (ja) * 2019-11-22 2024-05-17 日本無線株式会社 無線受信装置

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
FR2628914B1 (fr) * 1988-03-18 1990-06-29 Alcatel Thomson Faisceaux Recepteur pour systeme de transmission par voie hertzienne a diversite d'espace, comprenant un combineur de diversite
FR2628913B1 (fr) * 1988-03-18 1990-06-29 Alcatel Thomson Faisceaux Recepteur pour systeme de transmission par voie hertzienne a diversite d'espace
GB2237706A (en) * 1989-11-03 1991-05-08 Racal Res Ltd Radio communications link with diversity

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4014312A4 (en) * 2019-08-13 2023-08-30 Nanowave Technologies Inc. TRANSPOSED DELAY LINE OSCILLATOR AND METHOD
US11791810B2 (en) 2019-08-13 2023-10-17 Nanowave Technologies Inc. Transposed delay line oscillator and method

Also Published As

Publication number Publication date
KR930007119A (ko) 1993-04-22
DE4229573A1 (de) 1993-04-15
IL102817A0 (en) 1993-02-21
PL295855A1 (en) 1993-05-04
HK1001340A1 (en) 1998-06-12
FI923987A0 (fi) 1992-09-04
FR2682838A1 (fr) 1993-04-23
GB9119194D0 (en) 1991-10-23
JPH06169273A (ja) 1994-06-14
SE9202541L (sv) 1993-03-08
CA2076290A1 (en) 1993-03-08
GB2259430B (en) 1996-05-01
AU2098192A (en) 1993-03-11
GB2259430A (en) 1993-03-10
ITRM920645A1 (it) 1994-03-04
FI923987A7 (fi) 1993-03-08
ITRM920645A0 (it) 1992-09-04
IT1258477B (it) 1996-02-26
SE9202541D0 (sv) 1992-09-04
FR2682838B1 (fr) 1996-07-12
PL174158B1 (pl) 1998-06-30

Similar Documents

Publication Publication Date Title
IL102817A (en) Radio receiver and transmitter
US6771689B2 (en) Transmit diversity and reception equalization for radio links
US5982825A (en) Method and apparatus for cancelling interference jamming in digital radio transmission
US5859870A (en) Time diversity transmission-reception system
JP4875164B2 (ja) ビームフォーマを利用する多入力多出力のための中継器技術
US8213877B1 (en) Frequency agile duplex filter
US5335251A (en) Diversity receiver
GB2237706A (en) Radio communications link with diversity
EP0757456B1 (en) Diversity receivers
US20060286940A1 (en) Array antenna transmission/receiver
US8588710B2 (en) Method and system for multiple antenna communications, related apparatus and corresponding computer program product
WO1996008088A1 (en) Diversity receiver with combiner for equalization and diversity transmitter with splitter and delay
US7206562B2 (en) Cross polarized wave interference eliminating system and method
US6301310B1 (en) Efficient implementation for systems using CEOQPSK
US9077570B2 (en) Compact dual all-outdoor point-to-point microwave radio architecture
EP0684703B1 (en) Circuit for removing random fm noise
KR20060108343A (ko) 이동용 무선통신시스템에서 동일주파수 채널에 적용되는이중편파의 간섭제거방법 및 그 시스템
JP3456405B2 (ja) ２偏波スペースダイバーシティ無線装置
KR20030090173A (ko) 시간 지연 특성을 갖는 공간-시간 송신 다이버시티 장치
MXPA99010091A (en) Diversity of transmission and equalization of reception for link by ra
Le Polozec et al. A Microwave Amplitude and Phase Alignement System for Space Diversity Receiver
JPH0787389B2 (ja) Ｓｓｂ受信装置
KR20060116887A (ko) 이동국용 통신 다이버시티 방법

Legal Events

Date Code Title Description
FF Patent granted
KB Patent renewed
MM9K Patent not in force due to non-payment of renewal fees