BRPI0816279A2 - interpolador de frequência autoadaptativo para uso em um receptor com múltiplas portadoras - Google Patents

interpolador de frequência autoadaptativo para uso em um receptor com múltiplas portadoras Download PDF

Info

Publication number
BRPI0816279A2
BRPI0816279A2 BRPI0816279A BRPI0816279A BRPI0816279A2 BR PI0816279 A2 BRPI0816279 A2 BR PI0816279A2 BR PI0816279 A BRPI0816279 A BR PI0816279A BR PI0816279 A BRPI0816279 A BR PI0816279A BR PI0816279 A2 BRPI0816279 A2 BR PI0816279A2
Authority
BR
Brazil
Prior art keywords
signal
multipath delay
frequency
receiver
interpolator
Prior art date
Application number
BRPI0816279A
Other languages
English (en)
Portuguese (pt)
Inventor
Zou Li
Liu Peng
Original Assignee
Thomson Licensing
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 Thomson Licensing filed Critical Thomson Licensing
Publication of BRPI0816279A2 publication Critical patent/BRPI0816279A2/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
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
    • H04L25/023—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols
    • H04L25/0232—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols by interpolation between 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
    • H04L25/0204—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
    • H04L25/0216—Channel estimation of impulse response with estimation of channel length
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Circuits Of Receivers In General (AREA)
  • Noise Elimination (AREA)
BRPI0816279A 2007-09-25 2008-09-19 interpolador de frequência autoadaptativo para uso em um receptor com múltiplas portadoras BRPI0816279A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP07301390A EP2043314A1 (en) 2007-09-25 2007-09-25 A self-adaptive frequency interpolator for use in a multi-carrier receiver
PCT/IB2008/002448 WO2009040623A2 (en) 2007-09-25 2008-09-19 A self-adaptive frequency interpolar for use in a multi-carrier receiver

Publications (1)

Publication Number Publication Date
BRPI0816279A2 true BRPI0816279A2 (pt) 2019-09-10

Family

ID=39032423

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0816279A BRPI0816279A2 (pt) 2007-09-25 2008-09-19 interpolador de frequência autoadaptativo para uso em um receptor com múltiplas portadoras

Country Status (7)

Country Link
US (1) US8699588B2 (enExample)
EP (2) EP2043314A1 (enExample)
JP (1) JP5337804B2 (enExample)
KR (1) KR101394833B1 (enExample)
CN (1) CN101904142B (enExample)
BR (1) BRPI0816279A2 (enExample)
WO (1) WO2009040623A2 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8374285B2 (en) * 2008-05-05 2013-02-12 Texas Instruments Incorporated System and method for time domain interpolation of signals for channel estimation
JP5845212B2 (ja) 2013-06-28 2016-01-20 ファナック株式会社 視覚センサ及び力センサを備えたバリ取り装置
KR101511901B1 (ko) * 2014-01-29 2015-04-13 연세대학교 산학협력단 심볼 디매핑 장치 및 방법
CN104394111A (zh) * 2014-08-13 2015-03-04 深圳市国创新能源研究院 面向lte下行链路的自适应调制方法和装置
RU2756095C1 (ru) * 2018-03-14 2021-09-28 Нтт Докомо, Инк. Пользовательский терминал и способ радиосвязи
CN112019284B (zh) * 2020-08-27 2022-06-17 中电科思仪科技股份有限公司 一种低信噪比下的窄带信号时差计算方法及系统

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2772286B2 (ja) 1996-08-30 1998-07-02 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信号復調装置
JPH10257013A (ja) * 1997-03-14 1998-09-25 Toshiba Corp 受信装置
GB2325129B (en) 1997-05-02 2002-06-19 Lsi Logic Corp Demodulating digital video broadcast signals
GB2355164B (en) * 1999-10-07 2004-06-09 Oak Technology Inc Demodulator circuit
JP3606448B2 (ja) 2000-08-21 2005-01-05 株式会社ケンウッド 直交周波数分割多重信号受信装置及び直交周波数分割多重信号受信方法
WO2002017529A1 (fr) 2000-08-21 2002-02-28 Kabushiki Kaisha Kenwood Appareil de reception de signaux multiplexes a repartition orthogonale des frequences et procede de reception de signaux multiplexes a repartition orthogonale des frequences
GB2370952B (en) * 2001-01-05 2003-04-09 British Broadcasting Corp Improvements in channel state measurement and in discriminating digital values from a received signal suitable for use with OFDM signals
JP3979789B2 (ja) * 2001-01-15 2007-09-19 三洋電機株式会社 デジタル信号受信装置
JP2002290209A (ja) * 2001-03-28 2002-10-04 Nippon Precision Circuits Inc デシメーションフィルタ
GB2388756A (en) * 2002-05-17 2003-11-19 Hewlett Packard Co Calculating an estimate of bit reliability in a OFDM receiver by multiplication of the channel state modulus
US20040218519A1 (en) 2003-05-01 2004-11-04 Rong-Liang Chiou Apparatus and method for estimation of channel state information in OFDM receivers
JP2005260331A (ja) 2004-03-09 2005-09-22 Hitachi Kokusai Electric Inc Ｏｆｄｍ受信装置
EP1745623A1 (en) * 2004-05-12 2007-01-24 Thomson Licensing Constellation location dependent step sizes for equalizer error signals
KR100585155B1 (ko) * 2004-08-19 2006-05-30 삼성전자주식회사 변환 도메인의 복소 필터를 이용한 ｄｖｂ-ｔ 수신기의주파수 도메인 채널 평가 방법
KR100604926B1 (ko) * 2005-01-07 2006-07-28 삼성전자주식회사 Ｄｖｂ-ｔ 수신장치 및 ｄｖｂ-ｔ 수신장치의 채널 및ｆｆｔ 윈도우 선택 방법
JP4703253B2 (ja) * 2005-05-06 2011-06-15 パナソニック株式会社 通信端末装置
US7561633B2 (en) * 2005-07-13 2009-07-14 Leanics Corporation System and method for MIMO equalization for DSP transceivers
KR100924187B1 (ko) * 2005-08-23 2009-10-29 미쓰비시덴키 가부시키가이샤 무선 통신 시스템 및 통신 장치
ATE427612T1 (de) * 2005-12-14 2009-04-15 Ericsson Telefon Ab L M Verfahren und vorrichtung zur signalverarbeitung
JP2007202081A (ja) 2006-01-30 2007-08-09 Sony Corp Ｏｆｄｍ復調装置及び方法
JP4664234B2 (ja) * 2006-05-24 2011-04-06 富士通セミコンダクター株式会社 Ｏｆｄｍ受信機
US7864885B2 (en) * 2006-11-15 2011-01-04 Samsung Electronics Co., Ltd. Multiple input multiple output (MIMO) transceiver with pooled adaptive digital filtering

Also Published As

Publication number Publication date
US20110129035A1 (en) 2011-06-02
EP2043314A1 (en) 2009-04-01
KR20100058595A (ko) 2010-06-03
JP2010541362A (ja) 2010-12-24
CN101904142B (zh) 2014-05-07
WO2009040623A2 (en) 2009-04-02
EP2193639B1 (en) 2015-03-04
JP5337804B2 (ja) 2013-11-06
US8699588B2 (en) 2014-04-15
KR101394833B1 (ko) 2014-05-27
WO2009040623A3 (en) 2009-05-22
CN101904142A (zh) 2010-12-01
EP2193639A2 (en) 2010-06-09

Similar Documents

Publication Publication Date Title
CN101558571B (zh) 用于无线通信的干扰信号检测与抑制
US10425262B2 (en) Method and system for adaptive guard interval (GI) combining
US20150156045A1 (en) Method for transmitting data using variable guard interval and apparatus thereof
BRPI0816279A2 (pt) interpolador de frequência autoadaptativo para uso em um receptor com múltiplas portadoras
CN101689952B (zh) 用于消除dvb-t/h接收机中公共相位误差的设备和方法
US7852958B2 (en) Receiving apparatus, integrated circuit and receiving method
KR101406160B1 (ko) Ｄｖｂ－ｔ／ｈ 수신기에서의 공통 위상 오차를 제거하기 위한 장치 및 방법
US20080267273A1 (en) Method and a System for Estimating a Symbol Time Error in a Broadband Transmission System
CN100583700C (zh) 正交频分多路复用接收机的集中式缓冲器结构
US20060146690A1 (en) Methods, circuits and computer program products for estimating frequency domain channel in a DVB-T receiver using transform domain complex filtering
EP2051467A1 (en) Apparatus and method for channel estimation
CN105099975B (zh) 信道均衡和跟踪装置、方法以及接收机
JP2005191662A (ja) Ｏｆｄｍ信号の復調方法
Petrovic et al. Limits of phase noise suppression in OFDM
CN103733548B (zh) 通信领域的接收装置和接收方法
US7929598B2 (en) Lower processing rate decision feedback equalizer for higher rate carrier signal
Torío et al. Intrasymbol interference in OFDM
Zhang et al. Digital Video Broadcast: Systems and Implementations
Chen et al. A low-complexity ICI mitigation method based on generalized data-allocation for OFDM systems

Legal Events

Date Code Title Description
B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements
B350 Update of information on the portal [chapter 15.35 patent gazette]