TW200603191A - OFDM reception apparatus and method - Google Patents
OFDM reception apparatus and methodInfo
- Publication number
- TW200603191A TW200603191A TW094114952A TW94114952A TW200603191A TW 200603191 A TW200603191 A TW 200603191A TW 094114952 A TW094114952 A TW 094114952A TW 94114952 A TW94114952 A TW 94114952A TW 200603191 A TW200603191 A TW 200603191A
- Authority
- TW
- Taiwan
- Prior art keywords
- transmission line
- carrier
- disturbance
- line characteristic
- computing section
- Prior art date
Links
Classifications
-
- 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
- H04L27/265—Fourier transform demodulators, e.g. fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators
-
- 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
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
-
- 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
- H04L27/2614—Peak power aspects
- H04L27/2623—Reduction thereof by clipping
-
- 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
-
- 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
- H04L27/2655—Synchronisation arrangements
- H04L27/2668—Details of algorithms
- H04L27/2681—Details of algorithms characterised by constraints
- H04L27/2682—Precision
-
- 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
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0044—Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- General Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- Electromagnetism (AREA)
- Noise Elimination (AREA)
- Radio Transmission System (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Circuits Of Receivers In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004138194 | 2004-05-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW200603191A true TW200603191A (en) | 2006-01-16 |
Family
ID=35320542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW094114952A TW200603191A (en) | 2004-05-07 | 2005-05-09 | OFDM reception apparatus and method |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US7684503B2 (zh) |
| EP (1) | EP1742401A1 (zh) |
| JP (2) | JPWO2005109711A1 (zh) |
| KR (1) | KR100816609B1 (zh) |
| CN (1) | CN1954528A (zh) |
| TW (1) | TW200603191A (zh) |
| WO (1) | WO2005109711A1 (zh) |
Families Citing this family (41)
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| US8331216B2 (en) | 2005-08-09 | 2012-12-11 | Qualcomm Incorporated | Channel and interference estimation in single-carrier and multi-carrier frequency division multiple access systems |
| WO2007077608A1 (ja) * | 2005-12-28 | 2007-07-12 | Fujitsu Limited | 通信装置及びチャネル推定方法 |
| US7564912B2 (en) * | 2006-02-15 | 2009-07-21 | Mediatek Inc. | Method and apparatus for channel state information generation in a DVB-T receiver |
| JP4802763B2 (ja) * | 2006-02-28 | 2011-10-26 | カシオ計算機株式会社 | Ofdm信号受信装置、ofdm信号受信方法及び地上波デジタル放送受信装置 |
| JP2007295257A (ja) * | 2006-04-25 | 2007-11-08 | Mitsubishi Electric Corp | 雑音電力算出手段およびs/n推定手段 |
| US8045927B2 (en) * | 2006-04-27 | 2011-10-25 | Nokia Corporation | Signal detection in multicarrier communication system |
| US7856005B2 (en) * | 2006-06-06 | 2010-12-21 | Himax Technologies Limited | Impulsive noise suppression scheme in orthogonal frequency division multiplexing |
| US20070297497A1 (en) * | 2006-06-21 | 2007-12-27 | Seibert Cristina A | Apparatus And Method For Interference Cancellation |
| CN101496325B (zh) * | 2006-07-25 | 2012-07-04 | 富士通株式会社 | 多载波通信系统中的干扰噪声估计方法和接收处理方法以及干扰噪声估计装置和接收机 |
| CN101485127A (zh) * | 2006-08-03 | 2009-07-15 | 松下电器产业株式会社 | 接收装置、接收方法及集成电路 |
| KR101169415B1 (ko) * | 2006-08-03 | 2012-07-27 | 삼성전자주식회사 | 광대역 무선접속 통신시스템에서 자동 이득 제어 장치 및방법 |
| JP4814759B2 (ja) * | 2006-11-09 | 2011-11-16 | 三菱電機株式会社 | 回線品質測定装置、基地局および端末 |
| JP4816424B2 (ja) * | 2006-11-21 | 2011-11-16 | 株式会社デンソー | 受信方式,受信装置,プログラム |
| GB0712171D0 (en) | 2007-06-25 | 2007-08-01 | Kop Ltd | Signal Encoding for Frequency Division Multiplexing on Transmission Lines |
| KR100917708B1 (ko) * | 2007-06-29 | 2009-09-21 | 한국전자통신연구원 | 데이터 전송 장치 및 방법, 데이터 수신 장치 및 방법 |
| CN103475601B (zh) * | 2007-07-31 | 2016-12-28 | 联想创新有限公司(香港) | 与信道估计有关的方法 |
| US8290060B2 (en) * | 2007-08-21 | 2012-10-16 | Limberg Allen Leroy | Staggercasting of DTV signals that employ concatenated convolutional coding |
| CN101809909A (zh) * | 2007-09-28 | 2010-08-18 | 京瓷株式会社 | 无线通信装置以及接收质量估计方法 |
| JP2009088984A (ja) * | 2007-09-28 | 2009-04-23 | Kyocera Corp | 受信装置、無線通信端末、無線基地局及び受信方法 |
| US7864836B1 (en) * | 2007-10-31 | 2011-01-04 | Samsung Electronics Co., Ltd. | Adaptive orthogonal frequency division multiplexing (OFDM) equalizers, OFDM receivers including the same, and methods thereof |
| US20090268678A1 (en) * | 2008-04-24 | 2009-10-29 | Fujitsu Limited | Method and apparatus for automatic gain control in a mobile orthogonal frequency division multiple access (ofdma) network |
| JP4870730B2 (ja) * | 2008-07-30 | 2012-02-08 | 京セラ株式会社 | 無線基地局 |
| JP4881939B2 (ja) * | 2008-12-19 | 2012-02-22 | 日本電信電話株式会社 | マルチキャリア無線通信システム及びマルチキャリア無線通信方法 |
| JP4857330B2 (ja) * | 2008-12-19 | 2012-01-18 | 日本電信電話株式会社 | マルチキャリア無線通信システム及びマルチキャリア無線通信方法 |
| WO2010081896A2 (en) * | 2009-01-16 | 2010-07-22 | Abilis Systems Sarl | Interpolated channel estimation for mobile ofdm systems |
| GB2467803B (en) * | 2009-04-03 | 2011-01-19 | Cambridge Silicon Radio Ltd | Treating carrier-specific interference |
| US20100254496A1 (en) * | 2009-04-06 | 2010-10-07 | Guo-Hau Gau | Noise power estimation method and device thereof |
| JP2010278550A (ja) * | 2009-05-26 | 2010-12-09 | Toshiba Corp | Ofdm受信装置 |
| KR101313271B1 (ko) * | 2009-12-18 | 2013-09-30 | 한국전자통신연구원 | 이웃 셀 수신신호 측정 방법 및 그 장치 |
| JP2011199421A (ja) * | 2010-03-17 | 2011-10-06 | Kyocera Corp | 通信装置および受信電力測定方法 |
| EP2395722A1 (en) * | 2010-06-11 | 2011-12-14 | Intel Mobile Communications Technology Dresden GmbH | LTE baseband reveiver and method for operating same |
| CN102404257B (zh) * | 2010-09-17 | 2014-07-16 | 中兴通讯股份有限公司 | Mimo-ofdm系统中的窄带干扰检测方法及装置 |
| US8823806B2 (en) * | 2011-02-18 | 2014-09-02 | Wi-Lan, Inc. | Method and apparatus for television band pilot sensing |
| JP5710534B2 (ja) * | 2012-03-27 | 2015-04-30 | 株式会社東芝 | 周波数領域等化装置及び受信装置 |
| JP6073189B2 (ja) * | 2013-05-31 | 2017-02-01 | 株式会社日立国際電気 | Ofdm受信装置 |
| EP3079266B1 (en) * | 2013-12-31 | 2018-09-05 | Huawei Technologies Co., Ltd. | Method, device and system for obtaining channel information |
| JP6209990B2 (ja) * | 2014-02-27 | 2017-10-11 | 富士通株式会社 | 受信装置 |
| KR101432233B1 (ko) * | 2014-03-31 | 2014-08-21 | (주)아이앤씨테크놀로지 | 무선랜 시스템의 다중채널 전송장치 |
| DE102014111735A1 (de) * | 2014-08-18 | 2016-02-18 | Intel IP Corporation | Funkkommunikationseinrichtungen und Verfahren zum Steuern einer Funkkommunikationseinrichtung |
| TWI575901B (zh) * | 2015-06-17 | 2017-03-21 | 晨星半導體股份有限公司 | 通道效應消除裝置及通道效應消除方法 |
| TWI627846B (zh) * | 2016-03-30 | 2018-06-21 | 晨星半導體股份有限公司 | 等化增強模組、解調變系統以及等化增強方法 |
Family Cites Families (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2517704B2 (ja) | 1984-09-10 | 1996-07-24 | ソニー株式会社 | 音声信号受信装置 |
| JP3492418B2 (ja) | 1994-06-23 | 2004-02-03 | シャープ株式会社 | 直接スペクトル拡散通信装置、その復調回路、オートゲインコントロール方法、及び直接スペクトル拡散通信装置の基準値設定方法 |
| US5784410A (en) | 1996-06-03 | 1998-07-21 | Matsushita Electric Industrial Co., Ltd. | Reception automatic gain control system and method |
| US5878089A (en) * | 1997-02-21 | 1999-03-02 | Usa Digital Radio Partners, L.P. | Coherent signal detector for AM-compatible digital audio broadcast waveform recovery |
| JP2954570B1 (ja) | 1998-06-02 | 1999-09-27 | 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 | 周波数選択性妨害訂正装置 |
| JP3531510B2 (ja) | 1998-12-16 | 2004-05-31 | 日本ビクター株式会社 | Agc装置 |
| JP2000224140A (ja) * | 1999-02-03 | 2000-08-11 | Matsushita Electric Ind Co Ltd | 直交周波数分割多重装置 |
| JP3710658B2 (ja) * | 1999-09-29 | 2005-10-26 | 株式会社東芝 | 自動利得制御回路および受信機 |
| JP3455773B2 (ja) | 1999-12-20 | 2003-10-14 | 独立行政法人通信総合研究所 | 直交周波数分割多重無線伝送システムの搬送波電力対ノイズ電力密度比を測定する測定システム、送信装置、測定装置、送信方法、測定方法、および、情報記録媒体 |
| JP3872950B2 (ja) | 2000-10-05 | 2007-01-24 | 株式会社東芝 | 周波数分割多重伝送信号受信装置 |
| JP3776716B2 (ja) | 2000-11-17 | 2006-05-17 | 株式会社東芝 | 直交周波数分割多重伝送信号受信装置 |
| JP3960511B2 (ja) | 2001-05-07 | 2007-08-15 | 日本放送協会 | Ofdm信号解析装置 |
| JP3798264B2 (ja) | 2001-06-07 | 2006-07-19 | 日本放送協会 | 等価cn比とビット誤り率の測定装置及び方法 |
| US7190748B2 (en) * | 2001-08-17 | 2007-03-13 | Dsp Group Inc. | Digital front-end for wireless communication system |
| US20030162518A1 (en) * | 2002-02-22 | 2003-08-28 | Baldwin Keith R. | Rapid acquisition and tracking system for a wireless packet-based communication device |
| TW200307432A (en) | 2002-04-15 | 2003-12-01 | Matsushita Electric Industrial Co Ltd | The receiving device and the method thereof |
| JP3849122B2 (ja) | 2002-05-23 | 2006-11-22 | 富士通株式会社 | 直交周波数多重−符号分割多元接続伝送方式の受信装置 |
| JP4043287B2 (ja) | 2002-05-24 | 2008-02-06 | 三菱電機株式会社 | 無線通信システム、通信装置および受信品質測定方法 |
| JP2004134831A (ja) | 2002-10-08 | 2004-04-30 | Matsushita Electric Ind Co Ltd | 自動利得制御回路 |
| JP2004135120A (ja) * | 2002-10-11 | 2004-04-30 | Matsushita Electric Ind Co Ltd | ダイバーシティ受信装置及びダイバーシティ受信方法 |
| EP1408625A3 (en) * | 2002-10-11 | 2006-09-06 | Matsushita Electric Industrial Co., Ltd. | Diversity receiver and diversity receiving method for FDM signals |
| US7295517B2 (en) * | 2002-11-27 | 2007-11-13 | Texas Instruments Incorporated | Method and apparatus for channel quality metric generation within a packet-based multicarrier modulation communication system |
| AU2003269740A1 (en) * | 2003-03-28 | 2004-10-18 | Intel Corporation | System and method for adaptive phase compensation of ofdm signals |
| US7388847B2 (en) * | 2003-08-18 | 2008-06-17 | Nortel Networks Limited | Channel quality indicator for OFDM |
-
2005
- 2005-05-09 JP JP2006513013A patent/JPWO2005109711A1/ja not_active Ceased
- 2005-05-09 CN CNA2005800129064A patent/CN1954528A/zh active Pending
- 2005-05-09 EP EP20050737200 patent/EP1742401A1/en not_active Withdrawn
- 2005-05-09 TW TW094114952A patent/TW200603191A/zh unknown
- 2005-05-09 WO PCT/JP2005/008430 patent/WO2005109711A1/ja not_active Ceased
- 2005-05-09 KR KR20067018854A patent/KR100816609B1/ko not_active Expired - Fee Related
- 2005-05-09 US US11/579,810 patent/US7684503B2/en not_active Expired - Fee Related
-
2010
- 2010-09-15 JP JP2010207078A patent/JP4749501B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR100816609B1 (ko) | 2008-03-24 |
| JPWO2005109711A1 (ja) | 2008-03-21 |
| US7684503B2 (en) | 2010-03-23 |
| US20080260052A1 (en) | 2008-10-23 |
| CN1954528A (zh) | 2007-04-25 |
| JP4749501B2 (ja) | 2011-08-17 |
| KR20070004720A (ko) | 2007-01-09 |
| EP1742401A1 (en) | 2007-01-10 |
| WO2005109711A1 (ja) | 2005-11-17 |
| JP2011010363A (ja) | 2011-01-13 |
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