ATE382988T1 - Apparat zur schätzung der rauschleistung, verfahren zur schätzung der rauschleistung und signaldetektor - Google Patents

Apparat zur schätzung der rauschleistung, verfahren zur schätzung der rauschleistung und signaldetektor

Info

Publication number
ATE382988T1
ATE382988T1 AT05252919T AT05252919T ATE382988T1 AT E382988 T1 ATE382988 T1 AT E382988T1 AT 05252919 T AT05252919 T AT 05252919T AT 05252919 T AT05252919 T AT 05252919T AT E382988 T1 ATE382988 T1 AT E382988T1
Authority
AT
Austria
Prior art keywords
power
noise power
estimating noise
received
signal
Prior art date
Application number
AT05252919T
Other languages
English (en)
Inventor
Junichiro Kawamoto
Noriyuki Maeda
Kenichi Higuchi
Mamoru Sawahashi
Original Assignee
Ntt Docomo Inc
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 Ntt Docomo Inc filed Critical Ntt Docomo Inc
Application granted granted Critical
Publication of ATE382988T1 publication Critical patent/ATE382988T1/de

Links

Classifications

    • 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
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • 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
    • 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
    • H04B7/0837—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 pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/0848—Joint weighting
    • H04B7/0854—Joint weighting using error minimizing algorithms, e.g. minimum mean squared error [MMSE], "cross-correlation" or matrix inversion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70701—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/06—TPC algorithms
    • H04W52/16—Deriving transmission power values from another channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/32—TPC of broadcast or control channels
    • H04W52/325—Power control of control or pilot channels

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Electromagnetism (AREA)
  • Mathematical Physics (AREA)
  • Noise Elimination (AREA)
  • Radio Transmission System (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Radar Systems Or Details Thereof (AREA)
AT05252919T 2004-05-13 2005-05-12 Apparat zur schätzung der rauschleistung, verfahren zur schätzung der rauschleistung und signaldetektor ATE382988T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004144181A JP4369294B2 (ja) 2004-05-13 2004-05-13 雑音電力推定装置、雑音電力推定方法及び信号検出装置

Publications (1)

Publication Number Publication Date
ATE382988T1 true ATE382988T1 (de) 2008-01-15

Family

ID=34941266

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05252919T ATE382988T1 (de) 2004-05-13 2005-05-12 Apparat zur schätzung der rauschleistung, verfahren zur schätzung der rauschleistung und signaldetektor

Country Status (8)

Country Link
US (2) US7421009B2 (de)
EP (1) EP1596502B1 (de)
JP (1) JP4369294B2 (de)
KR (1) KR100686969B1 (de)
CN (1) CN100488180C (de)
AT (1) ATE382988T1 (de)
DE (1) DE602005004063T2 (de)
ES (1) ES2296097T3 (de)

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JP4780419B2 (ja) 2006-01-24 2011-09-28 日本電気株式会社 伝送路推定装置および等化装置並びに無線システム
EP1988645A4 (de) * 2006-02-01 2014-01-15 Nec Corp Entzerrungseinrichtung und entzerrungsverfahren
CN101421943B (zh) * 2006-04-13 2014-12-10 日本电气株式会社 Mimo接收装置
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WO2007139145A1 (ja) * 2006-05-30 2007-12-06 Sharp Kabushiki Kaisha 無線受信機、無線通信システムおよび無線受信方法
GB0615292D0 (en) * 2006-08-01 2006-09-06 Ttp Communications Ltd Signal evaluation and adjustment
KR20080026896A (ko) * 2006-09-22 2008-03-26 삼성전자주식회사 이동통신 시스템에서 은닉 학습 신호를 이용하여 채널을 추정하기 위한 장치 및 방법
JP2008124942A (ja) * 2006-11-15 2008-05-29 Nec Corp 無線通信システム、無線通信装置及びそれらに用いる有効パス検出方法
JP5147730B2 (ja) 2007-01-12 2013-02-20 パナソニック株式会社 受信装置及び受信方法
US8054914B2 (en) * 2007-01-30 2011-11-08 Texas Instruments Incorporated Noise variance estimation
EP2141828A4 (de) * 2007-03-30 2014-04-16 Fujitsu Ltd Entzerrersteuervorrichtung, entzerrersteuerverfahren und drahtloses endgerät mit dieser steuervorrichtung
JP2009065403A (ja) 2007-09-06 2009-03-26 Nec Corp 無線通信における受信品質推定方法および装置
US8264975B2 (en) 2008-02-20 2012-09-11 Qualcomm Incorporated FFT-based estimation of thermal noise and rise over thermal in a wireless communication system
JP4875642B2 (ja) 2008-02-27 2012-02-15 株式会社日立製作所 雑音電力推定装置及び方法
CN101277127B (zh) * 2008-03-21 2011-10-26 华为技术有限公司 信号接收方法及接收机、信号合并方法及模块
JP5241437B2 (ja) * 2008-11-13 2013-07-17 三星電子株式会社 受信装置、及び信号処理方法
US8699640B2 (en) * 2008-12-03 2014-04-15 Nec Laboratories America, Inc. Transmitter compensation in decoding of intensity modulated optical OFDM with direct detection
JP5216617B2 (ja) * 2009-02-03 2013-06-19 Ｋｄｄｉ株式会社 無線受信機、無線受信方法および無線受信プログラム
US8095077B2 (en) * 2009-02-05 2012-01-10 Cambridge Silicon Radio Limited Signal power estimation
JP5175253B2 (ja) * 2009-08-31 2013-04-03 日本放送協会 シングルキャリア受信装置
JP5130276B2 (ja) * 2009-11-18 2013-01-30 株式会社エヌ・ティ・ティ・ドコモ 無線基地局
GB201001469D0 (en) * 2010-01-29 2010-03-17 Icera Inc Signal processing in wireless communication receivers
CN102148787A (zh) * 2010-02-10 2011-08-10 思亚诺移动芯片有限公司 用于降低或消除接收信号噪声的方法、电路和系统
JP2011188206A (ja) * 2010-03-08 2011-09-22 Sharp Corp 受信装置、受信方法、受信プログラム、及びプロセッサ
US8767799B2 (en) * 2011-04-12 2014-07-01 Alcatel Lucent Method and apparatus for determining signal-to-noise ratio
US9564980B2 (en) * 2011-09-09 2017-02-07 Samsung Electronics Co., Ltd. Mobile telecommunication system with noise ratio estimation mechanism and method of operation thereof
JP5382094B2 (ja) * 2011-11-21 2014-01-08 日本電気株式会社 無線通信システム、無線通信装置及びそれらに用いる有効パス検出方法
US8831530B2 (en) 2012-04-30 2014-09-09 Samsung Electronics Co., Ltd. Communication system with transmission power estimation mechanism and method of operation thereof
ES2457840B1 (es) 2012-09-28 2015-02-16 Universidad De Murcia Lente intraocular acomodativa de potencia variable y conjunto de lente intraocular acomodativa de potencia variable y anillo capsular
KR102093266B1 (ko) 2013-02-28 2020-03-25 삼성전자주식회사 신호 감지 방법 및 장치
CN103391140B (zh) * 2013-07-19 2015-10-14 京信通信系统（中国）有限公司 Cdma2000和evdo混合信号的功率检测方法和系统
JP6219193B2 (ja) * 2014-02-21 2017-10-25 パナソニック株式会社 等化方法及び等化器
CN105282059A (zh) * 2014-06-30 2016-01-27 深圳市中兴微电子技术有限公司 一种多径选择方法和设备
CN106375251B (zh) * 2016-08-31 2019-04-09 北京松果电子有限公司 噪声功率估计方法、装置及用户设备

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US6034952A (en) * 1996-04-12 2000-03-07 Ntt Mobile Communications Networks, Inc. Method and instrument for measuring receiving SIR and transmission power controller
US6377607B1 (en) * 1999-05-13 2002-04-23 Qualcomm Incorporated System and method for performing accurate demodulation of turbo-encoded signals via pilot assisted coherent demodulation
EP1176730A1 (de) * 2000-07-26 2002-01-30 Motorola, Inc. Störungsschätzung in einem Kommunikationssystem
JP3676281B2 (ja) * 2001-10-17 2005-07-27 日本電信電話株式会社 Ｏｆｄｍ信号伝送装置、ｏｆｄｍ信号受信装置、ｏｆｄｍ信号受信方法
KR100510434B1 (ko) * 2001-04-09 2005-08-26 니폰덴신뎅와 가부시키가이샤 Ｏｆｄｍ신호전달 시스템, ｏｆｄｍ신호 송신장치 및ｏｆｄｍ신호 수신장치
KR100750102B1 (ko) * 2001-06-14 2007-08-17 삼성전자주식회사 디스크 카트리지
JP3973017B2 (ja) * 2002-02-14 2007-09-05 富士通株式会社 干渉電力を推定する無線受信機
US7961774B2 (en) * 2002-10-15 2011-06-14 Texas Instruments Incorporated Multipath interference-resistant receivers for closed-loop transmit diversity (CLTD) in code-division multiple access (CDMA) systems
US7027496B2 (en) * 2003-04-04 2006-04-11 Nokia Corporation Method and apparatus providing unbiased signal-to-noise ratio estimation and its application to discontinuous transmission detection

Also Published As

Publication number Publication date
JP4369294B2 (ja) 2009-11-18
US20050259721A1 (en) 2005-11-24
US7421009B2 (en) 2008-09-02
ES2296097T3 (es) 2008-04-16
DE602005004063T2 (de) 2008-12-18
CN1697428A (zh) 2005-11-16
US8144822B2 (en) 2012-03-27
DE602005004063D1 (de) 2008-02-14
KR20060047917A (ko) 2006-05-18
EP1596502A3 (de) 2006-02-01
US20080253432A1 (en) 2008-10-16
EP1596502A2 (de) 2005-11-16
KR100686969B1 (ko) 2007-02-26
CN100488180C (zh) 2009-05-13
JP2005328311A (ja) 2005-11-24
EP1596502B1 (de) 2008-01-02

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