NO20045653L - Mottager for CSMA-kommunikasjon og tilhorende metode for interferens-undertrykkelse - Google Patents

Mottager for CSMA-kommunikasjon og tilhorende metode for interferens-undertrykkelse

Info

Publication number
NO20045653L
NO20045653L NO20045653A NO20045653A NO20045653L NO 20045653 L NO20045653 L NO 20045653L NO 20045653 A NO20045653 A NO 20045653A NO 20045653 A NO20045653 A NO 20045653A NO 20045653 L NO20045653 L NO 20045653L
Authority
NO
Norway
Prior art keywords
channel
bandwidth occupied
broadband
sleeve
intersection
Prior art date
Application number
NO20045653A
Other languages
English (en)
Norwegian (no)
Inventor
Takuji Mochizuki
Original Assignee
Nec 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 Nec Corp filed Critical Nec Corp
Publication of NO20045653L publication Critical patent/NO20045653L/no

Links

Classifications

    • 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
    • H04B1/06Receivers
    • H04B1/10Means associated with receiver for limiting or suppressing noise or interference
    • 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
    • H04B1/06Receivers
    • H04B1/16Circuits
    • H04B1/30Circuits for homodyne or synchrodyne receivers
    • 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
    • H04B1/06Receivers
    • H04B1/10Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/1027Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
    • 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
    • H04B1/06Receivers
    • H04B1/16Circuits
    • H04B1/26Circuits for superheterodyne receivers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B17/00Monitoring; Testing
    • H04B17/30Monitoring; Testing of propagation channels
    • H04B17/309Measuring or estimating channel quality parameters
    • H04B17/318Received signal strength

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Noise Elimination (AREA)
  • Superheterodyne Receivers (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Mobile Radio Communication Systems (AREA)
NO20045653A 2002-05-27 2004-12-27 Mottager for CSMA-kommunikasjon og tilhorende metode for interferens-undertrykkelse NO20045653L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002152825A JP3465707B1 (ja) 2002-05-27 2002-05-27 キャリアセンス多重接続方式の受信機とその干渉抑圧方法
PCT/JP2003/006527 WO2003103168A1 (ja) 2002-05-27 2003-05-26 キャリアセンス多重接続方式の受信機とその干渉抑圧方法

Publications (1)

Publication Number Publication Date
NO20045653L true NO20045653L (no) 2004-12-27

Family

ID=29545413

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20045653A NO20045653L (no) 2002-05-27 2004-12-27 Mottager for CSMA-kommunikasjon og tilhorende metode for interferens-undertrykkelse

Country Status (9)

Country Link
US (1) US8761704B2 (ko)
EP (1) EP1508973B1 (ko)
JP (1) JP3465707B1 (ko)
KR (1) KR100628904B1 (ko)
CN (2) CN1708912A (ko)
CA (1) CA2486797A1 (ko)
NO (1) NO20045653L (ko)
TW (1) TWI228881B (ko)
WO (1) WO2003103168A1 (ko)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2584739B1 (en) * 2003-07-14 2014-10-15 Nippon Telegraph And Telephone Corporation Wireless packet communication method and wireless packet communication apparatus
JP2005229570A (ja) * 2004-01-16 2005-08-25 Oki Electric Ind Co Ltd データ受信装置
US20060014506A1 (en) * 2004-07-19 2006-01-19 Haartsen Jacobus C Dynamic carrier selection and link adaptation in fading environments
JP4467446B2 (ja) 2005-02-10 2010-05-26 Necエレクトロニクス株式会社 高周波ic及びgps受信機
US8032095B1 (en) 2005-03-03 2011-10-04 Marvell International Ltd. Method and apparatus for detecting carrier leakage in a wireless or similar system
WO2007066727A1 (ja) * 2005-12-09 2007-06-14 Nec Corporation 位置決定方法、位置決定装置およびプログラム
KR100666338B1 (ko) * 2006-01-17 2007-01-09 인티그런트 테크놀로지즈(주) 전파식별용 리더기 및 전파식별 시스템.
US20080160920A1 (en) * 2006-12-28 2008-07-03 Tsui Ernest T Device for reducing wireless interference
WO2008120332A1 (ja) * 2007-03-28 2008-10-09 Pioneer Corporation コンテンツ配信システム及びその制御方法
JP2009038440A (ja) * 2007-07-31 2009-02-19 Kenwood Corp 受信機及びキャリア検出方法
JP5259174B2 (ja) * 2007-12-25 2013-08-07 オリンパスメディカルシステムズ株式会社 送受信システム
CA2664502A1 (en) * 2008-04-29 2009-10-29 Hany Shenouda Transceiver architecture
CN101594280B (zh) * 2008-05-27 2011-05-04 北京威讯紫晶科技有限公司 一种无线网络中实时侦听载波信号的方法
US20100002815A1 (en) * 2008-07-01 2010-01-07 Qualcomm Incorporated Dynamic filtering for adjacent channel interference suppression
JP2010244160A (ja) * 2009-04-02 2010-10-28 Hochiki Corp 無線防災ノード及び無線防災システム
JP5617345B2 (ja) * 2010-05-24 2014-11-05 パナソニック株式会社 キャリアセンス装置及びプログラム
JP5269925B2 (ja) 2011-01-31 2013-08-21 株式会社東芝 無線通信装置及び無線通信方法
US8954025B2 (en) * 2011-05-09 2015-02-10 Bae Systems Information And Electronic Systems Integration Inc. Tactical radio transceiver with intermediate frequency (IF) filter package for narrowband and wideband signal waveforms
JP5701199B2 (ja) * 2011-12-05 2015-04-15 三菱電機株式会社 無線通信装置および受信装置
KR20130068126A (ko) * 2011-12-15 2013-06-25 한국전자통신연구원 정류기, 이를 이용한 수신 신호 강도 표시기 및 수신기
WO2013147524A1 (ko) * 2012-03-30 2013-10-03 주식회사 에이스테크놀로지 대역폭 가변 rf 필터
US9515860B2 (en) * 2014-12-30 2016-12-06 Hughes Network Systems, Llc Wideband and narrowband receiver
CN107431477B (zh) * 2015-03-30 2020-09-29 株式会社村田制作所 高频滤波器、前端电路以及通信设备
US10251066B2 (en) * 2015-04-24 2019-04-02 Qualcomm Incorporated Evolved machine type communication design for shared radio frequency spectrum operation
JP2015201890A (ja) * 2015-07-01 2015-11-12 カシオ計算機株式会社 受信装置、電波受信方法、および、プログラム
CN108075846B (zh) * 2016-11-17 2021-06-18 中兴通讯股份有限公司 一种基站干扰检测方法及装置
CN107204786B (zh) * 2017-05-17 2019-07-26 维沃移动通信有限公司 一种信号接收通路的切换方法及移动终端
KR102258761B1 (ko) * 2020-12-16 2021-05-28 국방과학연구소 위성 항법 신호 수신 시스템의 이종 간섭 신호 제거 장치 및 그 방법

Family Cites Families (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4352208A (en) * 1980-03-04 1982-09-28 Motorola, Inc. Automatic IF selectivity for radio receiver system
US5307372A (en) * 1985-07-19 1994-04-26 Clinicom Incorporated Radio transceiver for transmitting and receiving data packets
US20010050943A1 (en) * 1989-08-03 2001-12-13 Mahany Ronald L. Radio frequency communication network having adaptive communication parameters
US4910794A (en) * 1988-08-04 1990-03-20 Norand Corporation Mobile radio data communication system and method
JPH0232248U (ko) * 1988-08-24 1990-02-28
DE4005272A1 (de) * 1990-02-20 1991-08-22 Bosch Gmbh Robert Verfahren zur zf-bandbreitenumschaltung sowie zf-bandbreitenumschaltvorrichtung
EP0459383A3 (en) * 1990-05-30 1993-12-15 Pioneer Electronic Corp Radio receiver
US5287556A (en) * 1990-09-28 1994-02-15 Motorola, Inc. Interference reduction using an adaptive receiver filter, signal strength, and BER sensing
JP2780725B2 (ja) 1991-03-14 1998-07-30 富士通株式会社 高速rssiモニター回路
US5974101A (en) * 1992-04-28 1999-10-26 Canon Kabushiki Kaisha Spread spectrum modulation communication apparatus for narrow band interference elimination
US5668828A (en) * 1992-05-08 1997-09-16 Sanconix, Inc. Enhanced frequency agile radio
JPH05327378A (ja) * 1992-05-22 1993-12-10 Toshiba Corp 無線通信装置の自動利得制御回路
DE4241362C2 (de) * 1992-12-09 1997-06-05 Blaupunkt Werke Gmbh Rundfunkempfänger
AU678626B2 (en) * 1993-10-14 1997-06-05 Ericsson Ge Mobile Communications Inc. Adaptive bandwidth receiver
JP2908217B2 (ja) * 1993-12-28 1999-06-21 日本電気株式会社 受信電界レベル検出回路
US5511235A (en) * 1994-05-02 1996-04-23 Motorola, Inc. Apparatus for detecting a signaling channel during scanning including a controlled frequency converter circuit and a controlled filter bandwidth, and a method therefor
JP2751840B2 (ja) * 1994-09-12 1998-05-18 日本電気株式会社 信号検出装置
US5657326A (en) * 1994-12-20 1997-08-12 3Com Corporation Radio based collision detection for wireless communication system
US6111911A (en) * 1995-06-07 2000-08-29 Sanconix, Inc Direct sequence frequency ambiguity resolving receiver
US5898733A (en) * 1995-06-30 1999-04-27 Philips Electronics North America Corporation Packet hopping system with sliding frequency, and transciever for the system
US6999438B2 (en) * 1996-01-18 2006-02-14 Kabushiki Kaisha Toshiba Radio communication system
GB2309868A (en) * 1996-01-30 1997-08-06 Sony Corp Radio receiver detects FCCH synchronising signal
JP2828012B2 (ja) 1996-03-22 1998-11-25 日本電気株式会社 キャリアセンス回路
FI961935A (fi) * 1996-05-07 1997-11-08 Nokia Mobile Phones Ltd Erojännitteen eliminointi ja AM-vaimennus suoramuunnosvastaanottimessa
US6697415B1 (en) * 1996-06-03 2004-02-24 Broadcom Corporation Spread spectrum transceiver module utilizing multiple mode transmission
US5923454A (en) * 1996-10-09 1999-07-13 Motorola, Inc. Modem method and device for indicating received signal strength and presence for intensity modulated binary-coded wireless data packets with reduced recovery time
US5940400A (en) * 1996-11-06 1999-08-17 Motorola, Inc. Method, device, wireless transceiver and computer for providing collision detection in wireless carrier sense multiple access systems
JP3475037B2 (ja) 1997-03-14 2003-12-08 株式会社東芝 無線機
JPH10276125A (ja) * 1997-03-28 1998-10-13 Matsushita Electric Ind Co Ltd 移動無線受信装置
US6058148A (en) * 1997-06-27 2000-05-02 Ford Motor Company Digital processing radio receiver with adaptive bandwidth control
US6178314B1 (en) * 1997-06-27 2001-01-23 Visteon Global Technologies, Inc. Radio receiver with adaptive bandwidth controls at intermediate frequency and audio frequency sections
US5970105A (en) * 1998-05-11 1999-10-19 Cleveland Medical Devices Inc. Apparatus and method for efficient wireless communications in the presence of frequency error
JPH11355169A (ja) 1998-06-11 1999-12-24 Matsushita Electric Ind Co Ltd キャリアセンス回路および該回路を具備したetc端末又はetcシステム並びにキャリアセンス制御方法
WO2000021206A1 (fr) * 1998-10-05 2000-04-13 Aor, Ltd. Recepteur large bande et procede de balayage de voie
DE10063515A1 (de) * 2000-12-20 2002-06-27 Thomson Brandt Gmbh Empfangseinheit zum Suchen mindestens eines unbelegten Übertragungskanals in einer Kommunikationseinrichtung und Verfahren zur Nutzung
US7151759B1 (en) * 2001-03-19 2006-12-19 Cisco Systems Wireless Networking (Australia) Pty Limited Automatic gain control and low power start-of-packet detection for a wireless LAN receiver
US20030081706A1 (en) * 2001-10-25 2003-05-01 Ciccarelli Steven C. Noise reduction filtering in a wireless communication system
US6741844B2 (en) * 2001-11-27 2004-05-25 Motorola, Inc. Receiver for audio enhancement and method therefor
US6915114B2 (en) * 2002-05-07 2005-07-05 Broadcom, Corp. Direct tuning of embedded integrated circuit components

Also Published As

Publication number Publication date
EP1508973B1 (en) 2015-12-02
KR100628904B1 (ko) 2006-09-26
JP2003347946A (ja) 2003-12-05
US8761704B2 (en) 2014-06-24
WO2003103168A1 (ja) 2003-12-11
TW200307402A (en) 2003-12-01
US20060154628A1 (en) 2006-07-13
KR20050005494A (ko) 2005-01-13
CA2486797A1 (en) 2003-12-11
EP1508973A1 (en) 2005-02-23
CN1708912A (zh) 2005-12-14
EP1508973A4 (en) 2011-05-11
JP3465707B1 (ja) 2003-11-10
TWI228881B (en) 2005-03-01
CN103368591A (zh) 2013-10-23

Similar Documents

Publication Publication Date Title
NO20045653L (no) Mottager for CSMA-kommunikasjon og tilhorende metode for interferens-undertrykkelse
US8842656B2 (en) Communications in OFDMA-based wireless radio networks
WO2007050926A3 (en) Method and apparatus for estimating reverse link loading in a wireless communication system
WO2010050735A3 (en) 8-transmit antenna reference signal design for downlink communications in a wireless system
US10998941B2 (en) Multi-band transmission system
CN109802719A (zh) 一种基于抑制窄带干扰的卫星通信系统
CN102014094B (zh) 智能天线发射通道及接收通道的校准方法及相关装置
WO2010062061A3 (ko) 다중 반송파 시스템에서 통신방법 및 장치
WO2010019017A3 (ko) Ofdm 기반 무선통신 시스템에서 동일 주파수 릴레이 및 리피터의 자기간섭 제거 방법 및 그 장치
WO2010102035A3 (en) Method and system for reducing feedback information in multicarrier-based communication systems based on frequency grouping
EP2302818B1 (en) Multi-band data transmission method
WO2010032955A3 (ko) 펨토셀 기지국의 동기화 방법 및 이를 이용한 펨토셀 기지국
CN109698712A (zh) 窄带卫星通信系统
US20020118783A1 (en) Smart antenna based spectrum multiplexing using a pilot signal
PL2041938T3 (pl) Ustawienie filtra w zależności od zajętości sąsiedniego pasma
EP2107689A3 (en) Communications system and device using simultaneous wideband and in-band narrowband operation and related method
CN102281222A (zh) 一种FM/Chirp波形分割多路通信方法及其应用系统
AU2007351736A1 (en) Method and device for signal combination and different-system same-band antenna-sharing system
KR101208449B1 (ko) 주파수분할듀플렉스 시스템의 프론트엔드 장치 및 이를 이용한 송수신대역 할당방법
CN105245246B (zh) 一种全双工无线通信系统消除自干扰的方法与接收机
CN106253914B (zh) 天线装置及移动终端
CN109768823B (zh) 一种窄带多通道卫星通信系统
US9160590B2 (en) Diversity with a coded signal
WO2014147482A1 (en) Multi-band transmission system
RU2010130558A (ru) Фильтрация каналов передачи данных в спутниках связи

Legal Events

Date Code Title Description
RE Reestablishment of rights (par. 72 patents act)
FC2A Withdrawal, rejection or dismissal of laid open patent application