SE9904130D0 - Carrier detecting circuit for detecting the level of a received signal and communication apparatus - Google Patents

Carrier detecting circuit for detecting the level of a received signal and communication apparatus

Info

Publication number
SE9904130D0
SE9904130D0 SE9904130A SE9904130A SE9904130D0 SE 9904130 D0 SE9904130 D0 SE 9904130D0 SE 9904130 A SE9904130 A SE 9904130A SE 9904130 A SE9904130 A SE 9904130A SE 9904130 D0 SE9904130 D0 SE 9904130D0
Authority
SE
Sweden
Prior art keywords
rssi
level
signal
circuit
detecting
Prior art date
Application number
SE9904130A
Other languages
English (en)
Other versions
SE522061C2 (sv
SE9904130L (sv
Inventor
Shigeru Sakuma
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 SE9904130D0 publication Critical patent/SE9904130D0/sv
Publication of SE9904130L publication Critical patent/SE9904130L/sv
Publication of SE522061C2 publication Critical patent/SE522061C2/sv

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/345—Interference values
    • H04B17/0055—

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Communication Control (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Noise Elimination (AREA)
  • Circuits Of Receivers In General (AREA)
SE9904130A 1998-11-18 1999-11-16 Bärvågdetekteringskrets och kommunikationsanordning för att detektera nivån hos en mottagen signal SE522061C2 (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP32860998A JP3186718B2 (ja) 1998-11-18 1998-11-18 キャリア検出回路

Publications (3)

Publication Number Publication Date
SE9904130D0 true SE9904130D0 (sv) 1999-11-16
SE9904130L SE9904130L (sv) 2000-05-19
SE522061C2 SE522061C2 (sv) 2004-01-13

Family

ID=18212194

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9904130A SE522061C2 (sv) 1998-11-18 1999-11-16 Bärvågdetekteringskrets och kommunikationsanordning för att detektera nivån hos en mottagen signal

Country Status (3)

Country Link
US (1) US6671331B1 (sv)
JP (1) JP3186718B2 (sv)
SE (1) SE522061C2 (sv)

Families Citing this family (32)

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WO2003005314A1 (en) * 2001-07-02 2003-01-16 Swissvoice Ag Method for controlling a mobile terminal and mobile terminal
US6993291B2 (en) * 2001-10-11 2006-01-31 Nokia Corporation Method and apparatus for continuously controlling the dynamic range from an analog-to-digital converter
KR100450397B1 (ko) * 2001-12-13 2004-09-30 한국전자통신연구원 데이터 통신에서의 신호 감지장치
US7680077B1 (en) * 2002-07-31 2010-03-16 Rockwell Collins, Inc. Statistical priority-based multiple access system and method
US7830781B2 (en) * 2002-08-13 2010-11-09 Rockwell Collins, Inc. Waveform for virtually simultaneous transmission and multiple receptions system and method
DE10311967B4 (de) * 2003-03-18 2005-06-23 Infineon Technologies Ag Verfahren zur Feldstärkebestimmung
US7072632B2 (en) * 2003-10-10 2006-07-04 Vixs, Inc. Fast signal detection process
JP2005229570A (ja) * 2004-01-16 2005-08-25 Oki Electric Ind Co Ltd データ受信装置
JP4366589B2 (ja) * 2004-03-31 2009-11-18 日本電気株式会社 キャリア検出方法／プログラム／プログラム記録媒体／回路、受信機
WO2005125236A2 (en) * 2004-06-14 2005-12-29 Amron Technologies, Inc. Apparatuses and methods for measuring signal strengths of wireless networks
JP2006033518A (ja) * 2004-07-16 2006-02-02 Uniden Corp 無線通信システム
US7970947B1 (en) 2005-03-10 2011-06-28 Rockwell Collins, Inc. Tactical targeting network technology small form factor user system
US7508887B1 (en) 2005-09-06 2009-03-24 Rockwell Collins, Inc. Signal acquisition with transmit blanking compensation
US7839900B1 (en) 2006-09-29 2010-11-23 Rockwell Collins, Inc. Method and architecture for TTNT symbol rate scaling modes
US7835427B1 (en) 2007-03-30 2010-11-16 Rockwell Collins, Inc. Multiplexed architecture for simultaneous transmission and reception
JP4802162B2 (ja) * 2007-08-29 2011-10-26 株式会社東芝 無線通信装置および無線通信システム
US8131238B2 (en) * 2008-03-20 2012-03-06 Infineon Technologies Ag Carrier signal detection
GB0816571D0 (en) 2008-09-10 2008-10-15 Cambridge Silicon Radio Ltd Automatic gain control & DC offset compensation
EP2217030B1 (en) * 2009-02-05 2011-08-31 NTT DoCoMo, Inc. Adaptively setting the carrier sense threshold
JP5454181B2 (ja) * 2010-02-04 2014-03-26 株式会社デンソー 無線受信装置
JP2012213000A (ja) * 2011-03-31 2012-11-01 Nakayo Telecommun Inc キャリア信号検出閾値をアダプティブに決定する無線機器
JP5798383B2 (ja) * 2011-06-07 2015-10-21 ラピスセミコンダクタ株式会社 無線通信方法及び装置
EP2941797B1 (en) * 2012-12-03 2019-11-20 Dockon AG Low noise detection system using log detector amplifier
JP5541376B1 (ja) * 2013-01-21 2014-07-09 日本電気株式会社 無線通信装置、分析装置、分析方法及びプログラム
WO2014144958A1 (en) 2013-03-15 2014-09-18 Forrest James Brown Frequency selective logarithmic amplifier with intrinsic frequency demodulation capability
JP6058441B2 (ja) * 2013-03-21 2017-01-11 株式会社東芝 信号検出装置、信号検出方法及び信号検出プログラム
TWI568173B (zh) 2013-09-12 2017-01-21 多康股份有限公司 作為無頻率轉換之高敏感選擇接收器之對數檢測放大系統
US11183974B2 (en) 2013-09-12 2021-11-23 Dockon Ag Logarithmic detector amplifier system in open-loop configuration for use as high sensitivity selective receiver without frequency conversion
US11082014B2 (en) 2013-09-12 2021-08-03 Dockon Ag Advanced amplifier system for ultra-wide band RF communication
JP6474671B2 (ja) * 2015-04-14 2019-02-27 アルプスアルパイン株式会社 通信システム、通信方法及び制御装置
CN105262512B (zh) * 2015-09-17 2019-03-15 小米科技有限责任公司 切换主机的方法及装置
US9917604B1 (en) * 2016-03-24 2018-03-13 Amazon Technologies, Inc. Dynamic receive sensitivity

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02243035A (ja) 1989-03-16 1990-09-27 Nec Corp キヤリア検出レベル自動設定方式
JPH036165A (ja) 1989-06-01 1991-01-11 Nec Corp キャリア検出レベル設定方式
JPH06303680A (ja) 1993-04-14 1994-10-28 Daikin Ind Ltd 遠隔制御システムの受信レベル設定装置
TW297965B (sv) * 1995-06-26 1997-02-11 Hitachi Ltd
JP3432335B2 (ja) * 1995-06-27 2003-08-04 株式会社東芝 移動無線通信装置
GB9616543D0 (en) * 1996-08-06 1996-09-25 Northern Telecom Ltd Power line communications
US5867766A (en) * 1997-04-25 1999-02-02 Lucent Technologies Inc. Technique for performing an automatic channel search and switch during talk-time in mobile transceivers
JP3031306B2 (ja) * 1997-07-31 2000-04-10 日本電気株式会社 移動無線装置
US6327312B1 (en) * 1998-06-24 2001-12-04 Intermec Ip Corp. RF narrowband/wideband discriminating system for spread spectrum signal differentiation
US6256477B1 (en) * 1998-09-30 2001-07-03 Conexant Systems, Inc. Avoiding interference from a potentially interfering transmitter in a wireless communication system
US6223037B1 (en) * 1998-10-09 2001-04-24 Nokia Mobile Phones Ltd. Cell selection during loss of service in a telecommunications system
US6314278B1 (en) * 1998-12-30 2001-11-06 Uniden America Corporation Adjusting gain in a receiver using received signal sample values

Also Published As

Publication number Publication date
US6671331B1 (en) 2003-12-30
JP3186718B2 (ja) 2001-07-11
SE522061C2 (sv) 2004-01-13
JP2000156666A (ja) 2000-06-06
SE9904130L (sv) 2000-05-19

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