CN1604579B - 正交频分复用信号接收装置及正交频分复用信号接收方法 - Google Patents
正交频分复用信号接收装置及正交频分复用信号接收方法 Download PDFInfo
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- CN1604579B CN1604579B CN200410084973.4A CN200410084973A CN1604579B CN 1604579 B CN1604579 B CN 1604579B CN 200410084973 A CN200410084973 A CN 200410084973A CN 1604579 B CN1604579 B CN 1604579B
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- frequency response
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- 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
- H04L25/0234—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols by interpolation between sounding signals by non-linear interpolation
-
- 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
- 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
- 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
- H04L2025/03433—Arrangements for removing intersymbol interference characterised by equaliser structure
- H04L2025/03439—Fixed structures
- H04L2025/03522—Frequency domain
-
- 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
- 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
- H04L25/0218—Channel estimation of impulse response with detection of nulls
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Power Engineering (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Noise Elimination (AREA)
- Radio Relay Systems (AREA)
Abstract
Description
Claims (40)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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JP2003342990 | 2003-10-01 | ||
JP2003-342990 | 2003-10-01 | ||
JP2003342990 | 2003-10-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1604579A CN1604579A (zh) | 2005-04-06 |
CN1604579B true CN1604579B (zh) | 2010-04-28 |
Family
ID=34309104
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200410084973.4A Active CN1604579B (zh) | 2003-10-01 | 2004-10-08 | 正交频分复用信号接收装置及正交频分复用信号接收方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7535820B2 (zh) |
EP (1) | EP1521413A3 (zh) |
CN (1) | CN1604579B (zh) |
Families Citing this family (34)
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US7412005B2 (en) * | 2004-02-19 | 2008-08-12 | Nokia Corporation | Method and apparatus providing time domain interpolated channel estimation with advanced noise suppression for multicarrier transmissions |
US7616711B2 (en) | 2004-07-20 | 2009-11-10 | Qualcomm Incorporated | Frequency domain filtering to improve channel estimation in multicarrier systems |
US20060088133A1 (en) * | 2004-10-22 | 2006-04-27 | Industrial Technology Research Institute | Time-frequency correlation-based synchronization for coherent OFDM receiver |
CN100566317C (zh) * | 2004-10-22 | 2009-12-02 | 财团法人工业技术研究院 | 基于频率相关性的相干正交频分复用接收器同步方法与装置 |
US7848463B2 (en) * | 2005-04-07 | 2010-12-07 | Qualcomm Incorporated | Adaptive time-filtering for channel estimation in OFDM system |
KR100724949B1 (ko) * | 2005-05-03 | 2007-06-04 | 삼성전자주식회사 | 주파수 분할 다중접속 기반 무선통신 시스템에서 데이터와제어 정보의 다중화 방법 및 장치 |
LV13342B (en) * | 2005-05-18 | 2005-10-20 | Real Sound Lab Sia | Method and device for correction of acoustic parameters of electro-acoustic transducers |
CN100481826C (zh) * | 2005-10-20 | 2009-04-22 | 清华大学 | 一种正交频分复用系统信号发送及接收方法 |
DE602006005710D1 (de) * | 2005-12-13 | 2009-04-23 | Panasonic Corp | Sendevorrichtung und diese benutzende kommmunikationsvorrichtung |
JP4958565B2 (ja) * | 2006-01-06 | 2012-06-20 | パナソニック株式会社 | 無線通信装置 |
WO2007139026A1 (ja) * | 2006-05-25 | 2007-12-06 | Sharp Kabushiki Kaisha | 受信機および伝搬路推定方法 |
US8428197B2 (en) * | 2006-06-01 | 2013-04-23 | Qualcomm Incorporated | Enhanced channel estimation for communication system receiver |
JP5042219B2 (ja) | 2006-06-07 | 2012-10-03 | シャープ株式会社 | 受信機および周波数情報推定方法 |
JP4215084B2 (ja) * | 2006-09-13 | 2009-01-28 | 沖電気工業株式会社 | 等化器及び等化方法 |
JP4832261B2 (ja) * | 2006-11-15 | 2011-12-07 | 富士通株式会社 | チャネル推定装置 |
US8787499B2 (en) * | 2007-03-27 | 2014-07-22 | Qualcomm Incorporated | Channel estimation with effective co-channel interference suppression |
WO2009001528A1 (ja) * | 2007-06-22 | 2008-12-31 | Panasonic Corporation | 送信装置、受信装置及びofdm伝送方法 |
US20090059782A1 (en) * | 2007-08-29 | 2009-03-05 | Rgb Systems, Inc. | Method and apparatus for extending the transmission capability of twisted pair communication systems |
US7746761B2 (en) * | 2007-10-25 | 2010-06-29 | Nokia Siemens Networks Oy | Techniques to generate constant envelope multicarrier transmission for wireless networks |
US20090147669A1 (en) * | 2007-12-10 | 2009-06-11 | Nokia Siemens Networks Oy | Continuous phase modulation encoder for wireless networks |
US7804376B2 (en) * | 2007-12-13 | 2010-09-28 | Nokia Siemens Networks Oy | Continuous phase modulation processing for wireless networks |
US7698098B2 (en) * | 2008-02-18 | 2010-04-13 | Thermo Electron Scientific Instruments Llc | Efficient spectral matching, particularly for multicomponent spectra |
US8699529B2 (en) * | 2008-03-28 | 2014-04-15 | Qualcomm Incorporated | Broadband pilot channel estimation using a reduced order FFT and a hardware interpolator |
US8630364B2 (en) * | 2008-07-25 | 2014-01-14 | Nokia Siemens Networks Oy | Termination techniques for multi-index continuous phase encoders for wireless networks |
US8089858B2 (en) * | 2008-08-14 | 2012-01-03 | Sony Corporation | Frame and signalling pattern structure for multi-carrier systems |
US20100124292A1 (en) * | 2008-11-20 | 2010-05-20 | Advanced Micro Devices, Inc. | Method and System for Receiver Synchronization |
US8761274B2 (en) * | 2009-02-04 | 2014-06-24 | Acorn Technologies, Inc. | Least squares channel identification for OFDM systems |
US20120328055A1 (en) * | 2010-03-05 | 2012-12-27 | Ntt Docomo, Inc. | Channel estimation circuit, channel estimation method, and receiver |
US8406343B2 (en) * | 2010-08-25 | 2013-03-26 | Intel Corporation | Methods and systems to resolve cyclic ambiguity of a channel impulse response |
MX2013000954A (es) * | 2010-12-10 | 2013-03-22 | Panasonic Corp | Metodo de generacion de señales y aparato de generacion de señales. |
US9203656B2 (en) * | 2012-08-08 | 2015-12-01 | Mitsubishi Electric Corporation | Receiver and method of estimating frequency response of transmission path by receiver |
US9112567B2 (en) * | 2013-11-19 | 2015-08-18 | Symbol Technologies, Llc | Apparatus and method for compensation of AM noise in RFID devices through modulation of a received signal |
JP6453460B2 (ja) | 2014-12-31 | 2019-01-16 | エルジー エレクトロニクス インコーポレイティド | 放送信号受信装置及び放送信号受信方法 |
JP7361549B2 (ja) * | 2019-09-18 | 2023-10-16 | Kddi株式会社 | 受信装置及びプログラム |
Citations (3)
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US5307376A (en) * | 1991-01-17 | 1994-04-26 | France Telecom | Device for the coherent demodulation of time-frequency interlaced digital data, with estimation of the frequency response of the transmission channel and threshold, and corresponsing transmitter |
CN1396729A (zh) * | 2001-07-11 | 2003-02-12 | 三星电子株式会社 | 进行码元定时同步的正交频分复用接收系统及其方法 |
CN1398118A (zh) * | 2002-08-16 | 2003-02-19 | 清华大学 | 基于滑动窗口的对含导频的块信号的信道估计和均衡方法 |
Family Cites Families (12)
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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 |
US6643275B1 (en) * | 1998-05-15 | 2003-11-04 | Telefonaktiebolaget Lm Ericsson (Publ) | Random access in a mobile telecommunications system |
US6654429B1 (en) * | 1998-12-31 | 2003-11-25 | At&T Corp. | Pilot-aided channel estimation for OFDM in wireless systems |
JP3787041B2 (ja) | 1999-06-01 | 2006-06-21 | 日本放送協会 | 回り込みキャンセラ |
JP4460738B2 (ja) | 2000-08-21 | 2010-05-12 | 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 |
KR100510434B1 (ko) * | 2001-04-09 | 2005-08-26 | 니폰덴신뎅와 가부시키가이샤 | Ofdm신호전달 시스템, ofdm신호 송신장치 및ofdm신호 수신장치 |
DE60129111T2 (de) * | 2001-05-29 | 2008-02-28 | Lucent Technologies Inc. | Kanalschätzung in einem CDMA-System mit codierten Steuersymbolen als zusätzlichen Pilotsymbolen |
DE60125925T2 (de) * | 2001-07-10 | 2007-06-28 | Sony Deutschland Gmbh | Referenzsymbole zur Kanalschätzung bei Mehrträgerübertragung |
JP2003101503A (ja) | 2001-09-21 | 2003-04-04 | Mega Chips Corp | Ofdm用等化装置およびofdm用等化方法 |
JP3910453B2 (ja) | 2002-01-23 | 2007-04-25 | 三菱電機株式会社 | 受信装置および伝送路推定方法 |
US7099270B2 (en) | 2002-06-06 | 2006-08-29 | Texas Instruments Incorporated | Multi-path equalization for orthogonal frequency division multiplexing communication system |
JP4109530B2 (ja) | 2002-10-24 | 2008-07-02 | 松下電器産業株式会社 | 回り込みキャンセラ |
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2004
- 2004-09-30 EP EP04023312A patent/EP1521413A3/en not_active Withdrawn
- 2004-10-01 US US10/954,614 patent/US7535820B2/en active Active
- 2004-10-08 CN CN200410084973.4A patent/CN1604579B/zh active Active
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US5307376A (en) * | 1991-01-17 | 1994-04-26 | France Telecom | Device for the coherent demodulation of time-frequency interlaced digital data, with estimation of the frequency response of the transmission channel and threshold, and corresponsing transmitter |
CN1396729A (zh) * | 2001-07-11 | 2003-02-12 | 三星电子株式会社 | 进行码元定时同步的正交频分复用接收系统及其方法 |
CN1398118A (zh) * | 2002-08-16 | 2003-02-19 | 清华大学 | 基于滑动窗口的对含导频的块信号的信道估计和均衡方法 |
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Also Published As
Publication number | Publication date |
---|---|
EP1521413A2 (en) | 2005-04-06 |
US20050073949A1 (en) | 2005-04-07 |
CN1604579A (zh) | 2005-04-06 |
EP1521413A3 (en) | 2009-09-30 |
US7535820B2 (en) | 2009-05-19 |
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