BRPI0608279A2 - seleção de um parámetro de limite para estimação de canal - Google Patents

seleção de um parámetro de limite para estimação de canal

Info

Publication number
BRPI0608279A2
BRPI0608279A2 BRPI0608279-3A BRPI0608279A BRPI0608279A2 BR PI0608279 A2 BRPI0608279 A2 BR PI0608279A2 BR PI0608279 A BRPI0608279 A BR PI0608279A BR PI0608279 A2 BRPI0608279 A2 BR PI0608279A2
Authority
BR
Brazil
Prior art keywords
channel
threshold parameter
threshold
channel leads
cire
Prior art date
Application number
BRPI0608279-3A
Other languages
English (en)
Portuguese (pt)
Inventor
Anastasios Stamoulis
Durga Prasad Malladi
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of BRPI0608279A2 publication Critical patent/BRPI0608279A2/pt

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
    • H04L25/0202—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
    • H04L25/0212—Channel estimation of impulse response
    • 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
    • H04L25/0222—Estimation of channel variability, e.g. coherence bandwidth, coherence time, fading frequency
    • 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
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
    • 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
    • H04L25/024—Channel estimation channel estimation algorithms
    • H04L25/025—Channel estimation channel estimation algorithms using least-mean-square [LMS] method
    • 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
    • H04L25/024—Channel estimation channel estimation algorithms
    • H04L25/0256—Channel estimation using minimum mean square error criteria
    • 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
    • H04L25/024—Channel estimation channel estimation algorithms
    • H04L25/0258—Channel estimation using zero-forcing criteria
    • 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
    • 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
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Circuits Of Receivers In General (AREA)
  • Error Detection And Correction (AREA)
BRPI0608279-3A 2005-02-11 2006-02-13 seleção de um parámetro de limite para estimação de canal BRPI0608279A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US65223605P 2005-02-11 2005-02-11
US11/351,683 US8761312B2 (en) 2005-02-11 2006-02-10 Selection of a thresholding parameter for channel estimation
PCT/US2006/005185 WO2006086786A1 (en) 2005-02-11 2006-02-13 Selection of a thresholding parameter for channel estimation

Publications (1)

Publication Number Publication Date
BRPI0608279A2 true BRPI0608279A2 (pt) 2009-12-15

Family

ID=36501922

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0608279-3A BRPI0608279A2 (pt) 2005-02-11 2006-02-13 seleção de um parámetro de limite para estimação de canal

Country Status (9)

Country Link
US (1) US8761312B2 (https=)
EP (1) EP1847085A1 (https=)
JP (2) JP4842974B2 (https=)
KR (1) KR100943227B1 (https=)
CN (1) CN101120560B (https=)
BR (1) BRPI0608279A2 (https=)
CA (1) CA2597599C (https=)
RU (1) RU2379846C2 (https=)
WO (1) WO2006086786A1 (https=)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2439366A (en) * 2006-06-20 2007-12-27 Nec Technologies Resource block scheduling in communication networks
US8363536B2 (en) 2006-08-28 2013-01-29 Qualcomm Incorporated OFDM channel estimation
DE102006056158B4 (de) * 2006-11-28 2011-11-17 Infineon Technologies Ag Kanalschätzung für OFDM Systeme
US8630256B2 (en) 2006-12-05 2014-01-14 Qualcomm Incorporated Method and system for reducing backhaul utilization during base station handoff in wireless networks
KR100865937B1 (ko) * 2006-12-31 2008-10-29 포스데이타 주식회사 무선통신 시스템에서의 ａｃｋ/ｎａｃｋ 정보 탐지 장치 및방법
WO2008082120A1 (en) * 2006-12-31 2008-07-10 Posdata Co., Ltd. Apparatus and method for detecting the ack/nack signal in a wireless communication system
US8300742B1 (en) * 2007-11-21 2012-10-30 Bromberg Matthew C Systems and methods for channel based beamforming for stacked carrier multiple access
JP2009141514A (ja) * 2007-12-04 2009-06-25 Nippon Telegr & Teleph Corp <Ntt> チャネル推定装置及び無線通信システム
KR101455273B1 (ko) * 2008-07-01 2014-10-27 삼성전자주식회사 이동통신 시스템의 채널 추정 장치 및 방법
US9031053B2 (en) * 2008-10-23 2015-05-12 Qualcomm Incorporated Method and apparatus for communicating in a relay communication network
US8634769B2 (en) * 2008-10-23 2014-01-21 Qualcomm Incorporated Data reception with interference cancellation in a relay communication network
US8243836B2 (en) * 2008-12-17 2012-08-14 Electronics And Telecommunications Research Institute Channel estimation apparatus and method in mobile communication system having dispersed pilot
US8290462B2 (en) * 2009-02-04 2012-10-16 Agere Systems Llc Receiver and method for estimating a plurality of estimated transfer functions corresponding to wireless channels in a multiple-input system
CN101895489B (zh) * 2009-05-20 2013-05-08 中兴通讯股份有限公司 一种信道估计的滤波方法及滤波装置
CN102131277B (zh) * 2010-01-19 2014-11-05 中兴通讯股份有限公司 一种td-scdma系统多业务并行下的终端信道估计方法和系统
WO2011140719A1 (en) * 2010-05-14 2011-11-17 Zte Wistron Telecom Ab Method and apparatus for channel estimation in lte
US8744082B2 (en) 2010-11-03 2014-06-03 Futurewei Technologies, Inc. System and method for securing wireless communications
US8842750B2 (en) * 2010-12-21 2014-09-23 Intel Corporation Channel estimation for DVB-T2 demodulation using an adaptive prediction technique
US9313074B2 (en) * 2011-12-31 2016-04-12 Zte Corporation Method and system for detecting FSS by peak threshold, and receiver
US9614700B2 (en) * 2013-01-02 2017-04-04 Qualcomm Incorporated Techniques for channel estimation in millimeter-wave communication systems
US9240864B2 (en) * 2013-09-12 2016-01-19 Qualcomm Incorporated Blind CRS detection
KR101850621B1 (ko) * 2016-11-02 2018-04-20 중앙대학교 산학협력단 협력 스펙트럼 센싱 방법 및 그 장치
CN106507364B (zh) * 2016-11-23 2019-09-27 广东工业大学 一种避免室内无线通信恶意攻击的方法及系统
US10616005B1 (en) * 2018-11-28 2020-04-07 Samsung Electronics Co., Ltd. Robust noise power estimation

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4409593A (en) * 1982-01-11 1983-10-11 General Electric Company Threshold-less collision detection and bit arbitration in a CFSK data system
SU1225023A2 (ru) 1984-11-06 1986-04-15 Войсковая Часть 25840 Устройство дл контрол каналов св зи по отношению сигнал/помеха
US5251233A (en) * 1990-12-20 1993-10-05 Motorola, Inc. Apparatus and method for equalizing a corrupted signal in a receiver
JP2725493B2 (ja) * 1991-08-27 1998-03-11 日本電気株式会社 空冷式アルゴンイオンレーザ管
ATE171023T1 (de) 1993-06-07 1998-09-15 Alsthom Cge Alcatel Signalisationspaket für kommunikationssystem mit modulierter referenz die einem zeitabhaengigen gesetz folgt
JP3102221B2 (ja) * 1993-09-10 2000-10-23 三菱電機株式会社 適応等化器および適応ダイバーシチ等化器
RU2214686C2 (ru) 1997-10-23 2003-10-20 Телефонактиеболагет Лм Эрикссон (Пабл) Произвольный доступ в системе мобильной связи
DE69820421T2 (de) * 1998-06-19 2004-05-27 Motorola Semiconducteurs S.A. Verfahren und Vorrichtung zum Entzerren in einem Funkempfänger
JP2963895B1 (ja) * 1998-07-06 1999-10-18 株式会社次世代デジタルテレビジョン放送システム研究所 直交周波数分割多重方式受信装置
US6393068B1 (en) * 1998-09-22 2002-05-21 Agere Systems Guardian Corp. Communication channel and frequency offset estimator
RU2157053C1 (ru) 1999-01-26 2000-09-27 Государственное унитарное предприятие Воронежский научно-исследовательский институт связи Устройство для приема стартстопных сообщений
FI113721B (fi) 1999-12-15 2004-05-31 Nokia Corp Menetelmä ja vastaanotin kanavaestimaatin iteratiiviseksi parantamiseksi
US6907092B1 (en) 2000-07-14 2005-06-14 Comsys Communication & Signal Processing Ltd. Method of channel order selection and channel estimation in a wireless communication system
JP4187968B2 (ja) 2000-12-19 2008-11-26 株式会社エヌ・ティ・ティ・ドコモ 適応等化方法及び適応等化器
EP1378072A2 (en) 2001-04-03 2004-01-07 Nortel Networks Limited Communication system and methods of estimating channel impulse responses therein
US20020176485A1 (en) * 2001-04-03 2002-11-28 Hudson John E. Multi-cast communication system and method of estimating channel impulse responses therein
JP2004104225A (ja) 2002-09-05 2004-04-02 Matsushita Electric Ind Co Ltd Ｃｄｍａ受信装置及びフィンガ割り当て方法
JP2004158933A (ja) * 2002-11-01 2004-06-03 Matsushita Electric Ind Co Ltd 同期追従装置及び方法
JP4523294B2 (ja) 2003-02-10 2010-08-11 三菱電機株式会社 通信装置
KR100943272B1 (ko) * 2003-02-18 2010-02-23 삼성전자주식회사 디지털 통신 시스템의 채널 추정 장치 및 그의 채널 추정방법
US7203257B2 (en) * 2003-05-23 2007-04-10 Zenith Electronics Corporation Best linear unbiased channel estimation for frequency selective multipath channels with long delay spreads
JP4204917B2 (ja) 2003-07-31 2009-01-07 Ｋｄｄｉ株式会社 伝送路特性推定装置、コンピュータプログラム
US20060128326A1 (en) * 2004-12-09 2006-06-15 Interdigital Technology Corporation Low complexity adaptive channel estimation
JP2006262039A (ja) 2005-03-17 2006-09-28 Fujitsu Ltd 伝搬路推定方法及び伝搬路推定装置
JP4189389B2 (ja) 2005-04-06 2008-12-03 パナソニック株式会社 等化装置および等化方法

Also Published As

Publication number Publication date
CA2597599A1 (en) 2006-08-17
RU2007133813A (ru) 2009-03-20
RU2379846C2 (ru) 2010-01-20
JP2012010377A (ja) 2012-01-12
CN101120560B (zh) 2010-11-03
WO2006086786A1 (en) 2006-08-17
CN101120560A (zh) 2008-02-06
JP4842974B2 (ja) 2011-12-21
EP1847085A1 (en) 2007-10-24
CA2597599C (en) 2012-01-24
JP5329614B2 (ja) 2013-10-30
KR20070108906A (ko) 2007-11-13
US20060227748A1 (en) 2006-10-12
KR100943227B1 (ko) 2010-02-18
JP2008538263A (ja) 2008-10-16
US8761312B2 (en) 2014-06-24

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Legal Events

Date Code Title Description
B08F Application fees: application dismissed [chapter 8.6 patent gazette]

Free format text: REFERENTE A 9A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2308 DE 31/03/2015.