WO2009041542A1 - 無線通信装置及び受信品質推定方法 - Google Patents

無線通信装置及び受信品質推定方法 Download PDF

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Publication number
WO2009041542A1
WO2009041542A1 PCT/JP2008/067353 JP2008067353W WO2009041542A1 WO 2009041542 A1 WO2009041542 A1 WO 2009041542A1 JP 2008067353 W JP2008067353 W JP 2008067353W WO 2009041542 A1 WO2009041542 A1 WO 2009041542A1
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WO
WIPO (PCT)
Prior art keywords
time domain
signal
time
signal series
communication device
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
PCT/JP2008/067353
Other languages
English (en)
French (fr)
Inventor
Taku Nakayama
Kenta Okino
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.)
Kyocera Corp
Original Assignee
Kyocera 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
Priority claimed from JP2007255891A external-priority patent/JP2009088993A/ja
Priority claimed from JP2007256312A external-priority patent/JP2009089041A/ja
Application filed by Kyocera Corp filed Critical Kyocera Corp
Priority to US12/680,543 priority Critical patent/US20100266078A1/en
Priority to EP08833331.5A priority patent/EP2194666A4/en
Priority to CN200880109076.0A priority patent/CN101809909A/zh
Publication of WO2009041542A1 publication Critical patent/WO2009041542A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03159—Arrangements for removing intersymbol interference operating in the frequency domain
    • 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
    • H04B17/336—Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]
    • 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
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0204—Channel estimation of multiple channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/022—Channel estimation of frequency response
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2649—Demodulators
    • H04L27/26524—Fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators in combination with other circuits for demodulation
    • H04L27/26526—Fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators in combination with other circuits for demodulation with inverse FFT [IFFT] or inverse DFT [IDFT] demodulators, e.g. standard single-carrier frequency-division multiple access [SC-FDMA] receiver or DFT spread orthogonal frequency division multiplexing [DFT-SOFDM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03375—Passband transmission
    • H04L2025/03414—Multicarrier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)

Abstract

　無線基地局（１１００）は、伝搬路推定情報を時間領域における信号系列である時間領域信号系列に再変換する周波数領域／時間領域変換部（１１６０）と、再変換された時間領域信号系列が含まれる全時間帯のうち、時間帯ｔｓに含まれる時間領域信号系列に基づいて、無線信号の信号電力を算出するとともに、時間帯ｔｎに含まれる時間領域信号系列に基づいて、雑音電力を算出することによって、無線信号の信号対雑音比を推定する時間領域ＳＮＲ推定部（１１７０）とを備える。
PCT/JP2008/067353 2007-09-28 2008-09-25 無線通信装置及び受信品質推定方法 Ceased WO2009041542A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US12/680,543 US20100266078A1 (en) 2007-09-28 2008-09-25 Radio communication device, and reception quality estimation method
EP08833331.5A EP2194666A4 (en) 2007-09-28 2008-09-25 Radio communication device and reception quality estimation method
CN200880109076.0A CN101809909A (zh) 2007-09-28 2008-09-25 无线通信装置以及接收质量估计方法

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007-255891 2007-09-28
JP2007255891A JP2009088993A (ja) 2007-09-28 2007-09-28 無線通信装置及び受信品質推定方法
JP2007256312A JP2009089041A (ja) 2007-09-28 2007-09-28 無線通信装置及び受信品質推定方法
JP2007-256312 2007-09-28

Publications (1)

Publication Number Publication Date
WO2009041542A1 true WO2009041542A1 (ja) 2009-04-02

Family

ID=40511424

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/067353 Ceased WO2009041542A1 (ja) 2007-09-28 2008-09-25 無線通信装置及び受信品質推定方法

Country Status (4)

Country Link
US (1) US20100266078A1 (ja)
EP (1) EP2194666A4 (ja)
CN (1) CN101809909A (ja)
WO (1) WO2009041542A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010082518A1 (ja) * 2009-01-13 2010-07-22 株式会社 エヌ・ティ・ティ・ドコモ 無線品質を測定する装置及び方法
JPWO2015072045A1 (ja) * 2013-11-14 2017-03-16 日本電気株式会社 電磁妨害波測定装置、電磁妨害波測定方法および非一時的なコンピュータ可読媒体

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8441916B2 (en) * 2009-07-02 2013-05-14 Electronics And Telecommunication Research Institute Method of communicating for smart utility network using TV white space and apparatus for the same
US9672364B2 (en) * 2013-03-15 2017-06-06 Microsoft Technology Licensing, Llc Differentially private linear queries on histograms
CN104917706B (zh) * 2014-03-10 2018-08-10 联想(北京)有限公司 一种信噪比估计方法及电子设备
FR3094160B1 (fr) 2019-03-21 2022-05-06 Continental Automotive Gmbh Procede d’estimation d’un rapport signal sur bruit
CN114866171B (zh) * 2021-02-03 2023-09-01 广州海格通信集团股份有限公司 信号统计方法、装置、计算机设备和存储介质

Citations (9)

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JPH027A (ja) 1989-01-04 1990-01-05 Fuji Photo Film Co Ltd カメラの測距装置
JPH0256312A (ja) 1988-08-19 1990-02-26 Fuji Photo Film Co Ltd 間欠搬送装置
JP2000165346A (ja) * 1998-11-30 2000-06-16 Toshiba Corp Ｏｆｄｍ復調装置
JP2001077788A (ja) * 1999-09-07 2001-03-23 Sony Corp 送信装置、受信装置、通信システム、送信方法、受信方法及び通信方法
JP2002319919A (ja) 2001-04-24 2002-10-31 Toyo Commun Equip Co Ltd 電力線通信装置
JP2004253899A (ja) * 2003-02-18 2004-09-09 Kddi Corp 送信機及び受信機
WO2006095513A1 (ja) * 2005-03-09 2006-09-14 Mega Chips Corporation Ｏｆｄｍダイバーシティ受信装置
JP2007089113A (ja) * 2005-06-14 2007-04-05 Ntt Docomo Inc 送信装置、送信方法、受信装置及び受信方法
JP2007255891A (ja) 2004-05-10 2007-10-04 Japan Tobacco Inc 液体浸透度検査方法および液体浸透度検査装置

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CN100492949C (zh) * 2003-01-21 2009-05-27 大唐移动通信设备有限公司 时隙码分多址系统多码集信道估计方法
EP1531590A1 (en) * 2003-11-11 2005-05-18 STMicroelectronics Belgium N.V. Method and apparatus for channel equalisation with estimation of the channel impulse response length
KR100816609B1 (ko) * 2004-05-07 2008-03-24 마츠시타 덴끼 산교 가부시키가이샤 오에프디엠 수신장치 및 오에프디엠 수신방법
WO2006098011A1 (ja) * 2005-03-16 2006-09-21 Fujitsu Limited 多入力システムにおける無線通信装置及びチャンネル推定及び分離方法
US20070036064A1 (en) * 2005-08-09 2007-02-15 Samsung Electronics Co., Ltd. Apparatus and method for estimating CINR in an OFDM communication system
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Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0256312A (ja) 1988-08-19 1990-02-26 Fuji Photo Film Co Ltd 間欠搬送装置
JPH027A (ja) 1989-01-04 1990-01-05 Fuji Photo Film Co Ltd カメラの測距装置
JP2000165346A (ja) * 1998-11-30 2000-06-16 Toshiba Corp Ｏｆｄｍ復調装置
JP2001077788A (ja) * 1999-09-07 2001-03-23 Sony Corp 送信装置、受信装置、通信システム、送信方法、受信方法及び通信方法
JP2002319919A (ja) 2001-04-24 2002-10-31 Toyo Commun Equip Co Ltd 電力線通信装置
JP2004253899A (ja) * 2003-02-18 2004-09-09 Kddi Corp 送信機及び受信機
JP2007255891A (ja) 2004-05-10 2007-10-04 Japan Tobacco Inc 液体浸透度検査方法および液体浸透度検査装置
WO2006095513A1 (ja) * 2005-03-09 2006-09-14 Mega Chips Corporation Ｏｆｄｍダイバーシティ受信装置
JP2007089113A (ja) * 2005-06-14 2007-04-05 Ntt Docomo Inc 送信装置、送信方法、受信装置及び受信方法

Non-Patent Citations (1)

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Title
See also references of EP2194666A4

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010082518A1 (ja) * 2009-01-13 2010-07-22 株式会社 エヌ・ティ・ティ・ドコモ 無線品質を測定する装置及び方法
JPWO2015072045A1 (ja) * 2013-11-14 2017-03-16 日本電気株式会社 電磁妨害波測定装置、電磁妨害波測定方法および非一時的なコンピュータ可読媒体

Also Published As

Publication number Publication date
US20100266078A1 (en) 2010-10-21
EP2194666A4 (en) 2016-06-01
EP2194666A1 (en) 2010-06-09
CN101809909A (zh) 2010-08-18

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