DE69529559D1 - Halbduplexfunkgerät mit niedriger Dämpfung des Sendesignals - Google Patents

Halbduplexfunkgerät mit niedriger Dämpfung des Sendesignals

Info

Publication number
DE69529559D1
DE69529559D1 DE69529559T DE69529559T DE69529559D1 DE 69529559 D1 DE69529559 D1 DE 69529559D1 DE 69529559 T DE69529559 T DE 69529559T DE 69529559 T DE69529559 T DE 69529559T DE 69529559 D1 DE69529559 D1 DE 69529559D1
Authority
DE
Germany
Prior art keywords
transmission signal
low attenuation
duplex radio
duplex
radio
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
DE69529559T
Other languages
English (en)
Other versions
DE69529559T2 (de
Inventor
Donald Richard Green
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.)
Denso Corp
Original Assignee
Denso Corp
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 Denso Corp filed Critical Denso Corp
Publication of DE69529559D1 publication Critical patent/DE69529559D1/de
Application granted granted Critical
Publication of DE69529559T2 publication Critical patent/DE69529559T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0802—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
    • H04B7/0805—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with single receiver and antenna switching
    • 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
    • H04B1/40—Circuits
    • H04B1/50—Circuits using different frequencies for the two directions of communication
    • H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
DE69529559T 1995-05-04 1995-07-27 Halbduplexfunkgerät mit niedriger Dämpfung des Sendesignals Expired - Fee Related DE69529559T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/434,763 US5701595A (en) 1995-05-04 1995-05-04 Half duplex RF transceiver having low transmit path signal loss

Publications (2)

Publication Number Publication Date
DE69529559D1 true DE69529559D1 (de) 2003-03-13
DE69529559T2 DE69529559T2 (de) 2003-11-20

Family

ID=23725583

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69529559T Expired - Fee Related DE69529559T2 (de) 1995-05-04 1995-07-27 Halbduplexfunkgerät mit niedriger Dämpfung des Sendesignals

Country Status (5)

Country Link
US (1) US5701595A (de)
EP (1) EP0741463B1 (de)
JP (1) JPH08307306A (de)
CA (1) CA2155093C (de)
DE (1) DE69529559T2 (de)

Families Citing this family (74)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08330996A (ja) * 1995-05-30 1996-12-13 Sony Corp アンテナ共用器
US5815803A (en) * 1996-03-08 1998-09-29 The United States Of America As Represented By The Secretary Of The Navy Wideband high isolation circulatior network
JP3309271B2 (ja) * 1996-07-09 2002-07-29 京セラ株式会社 携帯端末
US5923647A (en) * 1996-09-06 1999-07-13 Ericsson Inc. Circulator usage in time division duplex radios
KR19980065967A (ko) * 1997-01-17 1998-10-15 김광호 시스템 성능 개선을 위한 다중채널 시분할교신방식의 신호 송수신 장치
US6067448A (en) * 1997-03-07 2000-05-23 The United States Of America As Represented By The Secretary Of The Navy System and method for isolating radio frequency signals
JPH10303830A (ja) * 1997-04-23 1998-11-13 Oki Electric Ind Co Ltd 無線装置の内部折り返し試験回路
US5963144A (en) * 1997-05-30 1999-10-05 Single Chip Systems Corp. Cloaking circuit for use in a radiofrequency identification and method of cloaking RFID tags to increase interrogation reliability
JPH118577A (ja) * 1997-06-17 1999-01-12 Saitama Nippon Denki Kk 無線機
US6567647B1 (en) * 1998-03-26 2003-05-20 Ericsson Inc. Low noise radio frequency transceivers including circulators
US6957047B1 (en) * 1999-02-18 2005-10-18 Ydi Wireless, Inc. Bi-directional switched RF amplifier, waterproof housing, electrostatic overvoltage protection device, and mounting bracket therefor
SE514436C2 (sv) * 1999-06-18 2001-02-26 Ericsson Telefon Ab L M Arrangemang i ett radiosystem
US6226275B1 (en) 1999-08-25 2001-05-01 Utstarcom, Inc. Wide band high power ultralinear RF transreceiver
US6313713B1 (en) 1999-09-28 2001-11-06 The United States Of America As Represented By The Secretary Of The Navy Matched pair circulator antenna isolation circuit
US6934562B1 (en) * 1999-10-08 2005-08-23 Bellsouth Intellectual Property Corporation System for coupling a mobile radio service base station to an antenna
US6792289B1 (en) 1999-11-08 2004-09-14 Qualcomm Incorporated Non-bandlimiting antenna sharing method and apparatus for base stations
KR100360895B1 (ko) * 1999-11-23 2002-11-13 주식회사 텔웨이브 서큘레이터를 이용한 송/수신부 결합 시스템 및 그의송신신호 소거방법
US6591086B1 (en) 2000-04-24 2003-07-08 Telaxis Communications Corporation Enhanced time division duplexing (TDD) transceiver circuitry
US6704352B1 (en) * 2000-05-04 2004-03-09 Samsung Electronics Co., Ltd. High accuracy receiver forward and reflected path test injection circuit
GB2365268B (en) * 2000-07-28 2002-10-09 Motorola Israel Ltd Antenna switch
FI20002882A (fi) * 2000-12-29 2002-06-30 Nokia Corp Järjestely antennin sovittamiseksi
DE10100152A1 (de) * 2001-01-03 2002-07-04 Siemens Ag Sendevorrichtung
WO2002069122A1 (fr) * 2001-02-26 2002-09-06 Matsushita Electric Industrial Co., Ltd. Carte et dispositif de communication
US7394430B2 (en) 2001-04-11 2008-07-01 Kyocera Wireless Corp. Wireless device reconfigurable radiation desensitivity bracket systems and methods
US7164329B2 (en) 2001-04-11 2007-01-16 Kyocera Wireless Corp. Tunable phase shifer with a control signal generator responsive to DC offset in a mixed signal
US7746292B2 (en) 2001-04-11 2010-06-29 Kyocera Wireless Corp. Reconfigurable radiation desensitivity bracket systems and methods
US7174147B2 (en) 2001-04-11 2007-02-06 Kyocera Wireless Corp. Bandpass filter with tunable resonator
US7154440B2 (en) 2001-04-11 2006-12-26 Kyocera Wireless Corp. Phase array antenna using a constant-gain phase shifter
US6690251B2 (en) 2001-04-11 2004-02-10 Kyocera Wireless Corporation Tunable ferro-electric filter
US7221243B2 (en) 2001-04-11 2007-05-22 Kyocera Wireless Corp. Apparatus and method for combining electrical signals
US6925312B2 (en) * 2001-09-17 2005-08-02 Telefonaktiebolaget Lm Ericsson (Publ) Sharing of antennas by base station nodes of telecommunications network
US7071776B2 (en) 2001-10-22 2006-07-04 Kyocera Wireless Corp. Systems and methods for controlling output power in a communication device
US7184727B2 (en) 2002-02-12 2007-02-27 Kyocera Wireless Corp. Full-duplex antenna system and method
US7176845B2 (en) 2002-02-12 2007-02-13 Kyocera Wireless Corp. System and method for impedance matching an antenna to sub-bands in a communication band
US7180467B2 (en) * 2002-02-12 2007-02-20 Kyocera Wireless Corp. System and method for dual-band antenna matching
KR20030091157A (ko) * 2002-05-24 2003-12-03 엘지전자 주식회사 아이솔레이터 내장형 듀플렉서
US7260424B2 (en) 2002-05-24 2007-08-21 Schmidt Dominik J Dynamically configured antenna for multiple frequencies and bandwidths
DE10233123A1 (de) * 2002-07-20 2004-02-05 Philips Intellectual Property & Standards Gmbh Einrichtung zur dynamischen Anpassung der Impedanz zwischen einem Leistungsverstärker und einer Antenne
JP4345280B2 (ja) * 2002-09-18 2009-10-14 日本電気株式会社 無線通信装置及びそれを用いた無線通信システム
GB2395843B (en) * 2002-11-29 2006-04-26 Motorola Inc Wireless subscriber communication unit and antenna arrangement therefor
EP1445830A1 (de) * 2003-02-05 2004-08-11 Sony Ericsson Mobile Communications AB Antennenschaltung mit einer wirkungsvollen Abstrahlung
US7236758B1 (en) * 2003-02-07 2007-06-26 Femto Devices, Inc. Integrated wireless multimedia integrated circuit
US7072620B2 (en) * 2003-04-03 2006-07-04 Kyocera Wireless Corp. System and method for regulating antenna electrical length
DE10315744B4 (de) * 2003-04-04 2007-05-31 Sennheiser Electronic Gmbh & Co. Kg Mikrofon mit HF-Sender
US7720443B2 (en) 2003-06-02 2010-05-18 Kyocera Wireless Corp. System and method for filtering time division multiple access telephone communications
US7373115B2 (en) * 2004-05-13 2008-05-13 Samsung Electronics Co., Ltd. Apparatus for transmit and receive switching in a time-division duplexing wireless network
US7248845B2 (en) 2004-07-09 2007-07-24 Kyocera Wireless Corp. Variable-loss transmitter and method of operation
KR100668653B1 (ko) * 2004-08-18 2007-01-12 한국전자통신연구원 시분할 이중화 방식의 무선 시스템에서의 송수신 신호분리 장치 및 그 방법
KR20060082341A (ko) * 2005-01-12 2006-07-18 주식회사 팬택 클램핑 회로를 이용한 반사신호 감쇠 기능을 가지는무선통신 단말기 및 그 방법
US9780437B2 (en) 2005-06-22 2017-10-03 Michael E. Knox Antenna feed network for full duplex communication
US8111640B2 (en) 2005-06-22 2012-02-07 Knox Michael E Antenna feed network for full duplex communication
WO2007002273A2 (en) * 2005-06-22 2007-01-04 Knox Michael E Antenna feed network for full duplex communication
EP1739847A3 (de) * 2005-07-01 2007-09-19 Samsung Electronics Co., Ltd. Sende-Empfangs-Antennenumschalter in einem TDD-Funkkommunikationssystem
US7548762B2 (en) 2005-11-30 2009-06-16 Kyocera Corporation Method for tuning a GPS antenna matching network
US7499681B2 (en) * 2005-12-22 2009-03-03 Kyocera Wireless Corp. Apparatus, system, and method for managing an antenna network during a half duplex call
KR100780419B1 (ko) * 2006-09-27 2007-11-29 주식회사 케이엠더블유 고주파 스위치
DE102006046190B4 (de) 2006-09-29 2016-09-01 Intel Deutschland Gmbh Schaltungsanordnung, Verfahren zum Betreiben einer Schaltungsanordnung und Verfahren zum Betreiben eines Dual-Mode-UMTS/GSM-Mobiltelefons
CN101523225B (zh) * 2006-10-17 2013-06-05 艾利森电话股份有限公司 射频处理装置
US7738539B2 (en) * 2006-12-01 2010-06-15 Sony Ericsson Mobile Communications Ab Current consumption reduction with low power amplifier
JP4264101B2 (ja) * 2006-12-08 2009-05-13 株式会社東芝 フィルタ回路および無線通信装置
US8750173B2 (en) 2006-12-29 2014-06-10 Mode-1 Corporation High isolation signal routing assembly for full duplex communication
WO2008082638A1 (en) * 2006-12-29 2008-07-10 Knox Michael E High isolation signal routing assembly for full duplex communication
JP4882815B2 (ja) * 2007-03-20 2012-02-22 日本電気株式会社 移動通信装置
JP4889578B2 (ja) * 2007-06-19 2012-03-07 株式会社エヌ・ティ・ティ・ドコモ 移動端末
JP2009284192A (ja) * 2008-05-22 2009-12-03 Fujitsu Ltd 利得温度補償回路
JP5282685B2 (ja) * 2009-07-08 2013-09-04 富士通株式会社 Ｔｄｄ方式送受信装置
JP2011055078A (ja) * 2009-08-31 2011-03-17 Nec Corp 時分割多重無線システム及びその反射信号減衰方法
US8330651B2 (en) * 2009-11-23 2012-12-11 Honeywell International Inc. Single-antenna FM/CW marine radar
WO2011111219A1 (ja) * 2010-03-12 2011-09-15 富士通株式会社 無線通信装置および反射波取得方法
US9048913B2 (en) * 2010-07-06 2015-06-02 Google Inc. Method and apparatus for adaptive control of transmit diversity to provide operating power reduction
JP5400855B2 (ja) * 2011-10-28 2014-01-29 株式会社Ｎｔｔドコモ 移動端末及びアンテナ制御方法
WO2016047323A1 (ja) 2014-09-25 2016-03-31 株式会社村田製作所 フロントエンド回路および通信装置
US9787460B2 (en) 2015-07-16 2017-10-10 LGS Innovations LLC Self-interference channel estimation system and method
WO2019110082A1 (en) * 2017-12-04 2019-06-13 Huawei Technologies Co., Ltd. Radio frequency front end for wireless communication

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2890328A (en) * 1954-09-08 1959-06-09 Bell Telephone Labor Inc Non-reciprocal wave transmission
GB1046124A (en) * 1963-10-09 1966-10-19 Ferranti Ltd Improvements relating to radar systems
US3739302A (en) * 1971-06-01 1973-06-12 Trak Microwave Corp Miniaturized ferrimagnetic circulator for microwaves
US4361905A (en) * 1980-11-10 1982-11-30 General Electric Company Arrangement for connecting selected antennas to a radio for transmitting and receiving
US4380822A (en) * 1981-11-02 1983-04-19 Motorola, Inc. Transmit-receive switching circuit for radio frequency circulators
US5022742A (en) * 1983-10-03 1991-06-11 The United States Of America As Represented By The Secretary Of The Navy Fast shutter for protection from electromagnetic radiation
JPS6288443A (ja) * 1985-10-14 1987-04-22 Mitsubishi Electric Corp アンテナ装置
JPS62102629A (ja) * 1985-10-29 1987-05-13 Mitsubishi Electric Corp アンテナ装置
JPH02209024A (ja) * 1989-02-09 1990-08-20 Seiko Epson Corp アンテナ共用器
US5093667A (en) * 1989-10-16 1992-03-03 Itt Corporation T/R module with error correction
FR2669145B1 (fr) * 1990-11-09 1994-02-11 Thomson Tubes Electroniques Canon a electrons module par commutation optoelectronique.
JPH04271621A (ja) * 1991-02-27 1992-09-28 Mitsubishi Electric Corp アンテナ切換装置
WO1993000573A1 (en) * 1991-06-25 1993-01-07 Endress & Hauser Gmbh & Co. Interface level detector
US5453154A (en) * 1991-10-21 1995-09-26 National Semiconductor Corporation Method of making an integrated circuit microwave interconnect and components
FR2696887B1 (fr) * 1992-10-09 1994-11-18 Thomson Lgt Amplificateur de puissance large bande haute fréquence.
JP3359944B2 (ja) * 1992-10-22 2002-12-24 株式会社日立国際電気 無線送受信機
SE513813C2 (sv) * 1993-02-05 2000-11-06 Ericsson Ge Mobile Communicat Anordning med SAW-filter för duplexöverföring
US5347241A (en) * 1993-02-08 1994-09-13 Hughes Aircraft Company Dual junction back-to-back microstrip four-port circulators
US5374589A (en) * 1994-04-05 1994-12-20 The United States Of America As Represented By The Secretary Of The Navy Process of making a bistable photoconductive component

Also Published As

Publication number Publication date
CA2155093A1 (en) 1996-11-05
CA2155093C (en) 2000-12-12
EP0741463B1 (de) 2003-02-05
EP0741463A3 (de) 1999-03-31
US5701595A (en) 1997-12-23
JPH08307306A (ja) 1996-11-22
DE69529559T2 (de) 2003-11-20
EP0741463A2 (de) 1996-11-06

Similar Documents

Publication Publication Date Title
DE69529559T2 (de) Halbduplexfunkgerät mit niedriger Dämpfung des Sendesignals
DE69532860D1 (de) Voll-duplex funk-sendeempfänger
DE69535057D1 (de) Empfänger und Senderempfänger
DE69128879T2 (de) Übertragungssystem und empfänger dafür
DE69121263T2 (de) Signalsende-/Empfangsschaltungsanordnung
DE69329872T2 (de) Funksender/Empfänger
NO973440D0 (no) Forbedret signaloverföringslunte
DE69607495D1 (de) Übertragungs- und Empfangsvorrichtung
DE69407794D1 (de) Akoustische sende- und empfangseinheit
DE69520204D1 (de) Mikrowellensender und übertragungssystem
FI952770A (fi) Radiosiirtojärjestelmä
DE69633165D1 (de) Sende- und Empfangssystem
FI961592A (fi) Signaalien lähetys- ja vastaanottoyksikkö
DE69308565T2 (de) Thermischer übertragungsdruckempfänger
DE9315479U1 (de) Einrichtung zur drahtlosen Übertragung von digitalen Signalen
DE9400691U1 (de) Gerät zur Übertragung von Funksignalen
EP0714216A3 (de) Personenanrufsignalübertragungsvorrichtung
NO952078D0 (no) Transmisjon
BR9204481A (pt) Transmissao e meio refentor de engrenagem melhorado
DE9212832U1 (de) Meßumformer
ATA142292A (de) Sende-empfänger-funkstrecke
FI954364A (fi) Signaalinvälitysjärjestelmä
KR960003372U (ko) 송신제어장치 수화기
KR980003893U (ko) 변속기의 리버스게이트
KR960012875U (ko) 근거리 tv전파 송신기

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee