[go: up one dir, main page]

KR930007119A - 무선 수신기 및 송신기 - Google Patents

무선 수신기 및 송신기 Download PDF

Info

Publication number
KR930007119A
KR930007119A KR1019920016264A KR920016264A KR930007119A KR 930007119 A KR930007119 A KR 930007119A KR 1019920016264 A KR1019920016264 A KR 1019920016264A KR 920016264 A KR920016264 A KR 920016264A KR 930007119 A KR930007119 A KR 930007119A
Authority
KR
South Korea
Prior art keywords
signal
delay
antenna
antennas
received
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.)
Ceased
Application number
KR1019920016264A
Other languages
English (en)
Korean (ko)
Inventor
윌리엄 드류리 와트슨 앤드류
Original Assignee
에이취. 이보트슨
모토로라 리미티드
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 에이취. 이보트슨, 모토로라 리미티드 filed Critical 에이취. 이보트슨
Publication of KR930007119A publication Critical patent/KR930007119A/ko
Ceased legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0891Space-time diversity
    • H04B7/0894Space-time diversity using different delays between antennas
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/38Transceivers, 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity 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
    • H04B7/0667Diversity 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
    • H04B7/0671Diversity 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/02Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06Arrangements 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)
KR1019920016264A 1991-09-07 1992-09-07 무선 수신기 및 송신기 Ceased KR930007119A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9119194A GB2259430B (en) 1991-09-07 1991-09-07 Radio receiver and transmitter providing diversity
GB9119194.0 1991-09-07

Publications (1)

Publication Number Publication Date
KR930007119A true KR930007119A (ko) 1993-04-22

Family

ID=10701102

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920016264A Ceased KR930007119A (ko) 1991-09-07 1992-09-07 무선 수신기 및 송신기

Country Status (13)

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)
HK (1) HK1001340A1 (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
KR100385110B1 (ko) * 1995-09-04 2003-10-08 마쯔시다덴기산교 가부시키가이샤 확산스팩트럼무선전송디지털이동통신장치

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
CA2206311C (en) * 1994-12-29 2003-11-11 Motorola, Inc. Multiple access digital transmitter/receiver 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
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
EP1073214B1 (en) 1999-02-16 2008-12-17 Mitsubishi Denki Kabushiki Kaisha Radio communication system, transmitter and receiver
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
CN1842983A (zh) * 2004-07-28 2006-10-04 松下电器产业株式会社 分集式接收装置及接收方法
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 (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
JPWO2015053110A1 (ja) * 2013-10-10 2017-03-09 ソニー株式会社 受信装置、受信方法、並びにプログラム
CA3150520A1 (en) 2019-08-13 2021-02-18 Nanowave Technologies Inc. Transposed delay line oscillator and method
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
FR2628913B1 (fr) * 1988-03-18 1990-06-29 Alcatel Thomson Faisceaux Recepteur pour systeme de transmission par voie hertzienne a diversite d'espace
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
GB2237706A (en) * 1989-11-03 1991-05-08 Racal Res Ltd Radio communications link with diversity

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100385110B1 (ko) * 1995-09-04 2003-10-08 마쯔시다덴기산교 가부시키가이샤 확산스팩트럼무선전송디지털이동통신장치

Also Published As

Publication number Publication date
SE9202541D0 (sv) 1992-09-04
CA2076290A1 (en) 1993-03-08
ITRM920645A1 (it) 1994-03-04
JPH06169273A (ja) 1994-06-14
PL295855A1 (en) 1993-05-04
IL102817A (en) 1996-01-19
SE9202541L (sv) 1993-03-08
PL174158B1 (pl) 1998-06-30
AU2098192A (en) 1993-03-11
FI923987A7 (fi) 1993-03-08
GB9119194D0 (en) 1991-10-23
GB2259430A (en) 1993-03-10
FI923987A0 (fi) 1992-09-04
ITRM920645A0 (it) 1992-09-04
HK1001340A1 (en) 1998-06-12
IT1258477B (it) 1996-02-26
DE4229573A1 (de) 1993-04-15
FR2682838A1 (fr) 1993-04-23
IL102817A0 (en) 1993-02-21
FR2682838B1 (fr) 1996-07-12
GB2259430B (en) 1996-05-01

Similar Documents

Publication Publication Date Title
KR930007119A (ko) 무선 수신기 및 송신기
KR100719637B1 (ko) 이동 통신 시스템의 이동국과 이동국용 통신 다이버시티 방법
WO1998027663A3 (en) System for improving the quality of a received radio signal
WO2004068777A3 (en) System and method for increasing cellular system capacity using same frequency and time slot in uplink and downlink transmissions
JP2001196994A (ja) 符号分割多元接続方式用リピータ装置
CN103401581A (zh) 移动台、移动无线电通信系统和移动无线电通信方法
US20060056462A1 (en) Transmission device and transmission method
US20060109927A1 (en) Synchronizer, method of synchronizing signals and MIMO transceiver employing the same
KR960706235A (ko) 무선 안테나 장치(radio antenna arrangement)
US7206562B2 (en) Cross polarized wave interference eliminating system and method
US3361970A (en) Selection of frequencies for minimum depth of fading in a frequency diversity microwave line of sight relay link
JPH09181699A (ja) 移動中継装置
US20150195016A1 (en) Line of sight (los) multiple-input and multiple-output (mimo) system for reducing distance separating antennas
WO2019089082A1 (en) Modem-agnostic analog spatial multiplexing
KR100807435B1 (ko) 무선 통신 시스템, 무선 통신 단말, 및 무선 통신 방법
JP2000183856A (ja) 複局送信システム
AU731614B2 (en) Transmission method and radio system
JP3097623B2 (ja) ダイバーシティ送受信システム
JPS58197929A (ja) ダイバ−シチ通信方式
JPH08172423A (ja) アンテナダイバーシチ受信方式
GB2427789A (en) Repeater comprising directional antenna arrays to reduce received interference
KR20060116887A (ko) 이동국용 통신 다이버시티 방법
JP2019134258A (ja) 交差偏波間干渉補償支援装置及び交差偏波間干渉補償支援方法
KR19990061227A (ko) 씨티-2 적용 송수신 선택 다중 경로 시스템
JPH06120720A (ja) アレイアンテナ指向性適応送受信装置

Legal Events

Date Code Title Description
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 19920907

PG1501 Laying open of application
A201 Request for examination
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 19970826

Comment text: Request for Examination of Application

Patent event code: PA02011R01I

Patent event date: 19920907

Comment text: Patent Application

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20000229

Patent event code: PE09021S01D

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20001220

Patent event code: PE09021S01D

E601 Decision to refuse application
PE0601 Decision on rejection of patent

Patent event date: 20011126

Comment text: Decision to Refuse Application

Patent event code: PE06012S01D

Patent event date: 20001220

Comment text: Notification of reason for refusal

Patent event code: PE06011S01I

Patent event date: 20000229

Comment text: Notification of reason for refusal

Patent event code: PE06011S01I