JP6373408B2 - チャネル等化追跡装置、方法及び受信機 - Google Patents
チャネル等化追跡装置、方法及び受信機 Download PDFInfo
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- JP6373408B2 JP6373408B2 JP2016563784A JP2016563784A JP6373408B2 JP 6373408 B2 JP6373408 B2 JP 6373408B2 JP 2016563784 A JP2016563784 A JP 2016563784A JP 2016563784 A JP2016563784 A JP 2016563784A JP 6373408 B2 JP6373408 B2 JP 6373408B2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/01—Equalisers
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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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03159—Arrangements for removing intersymbol interference operating in the frequency domain
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
- H04L27/06—Demodulator circuits; Receiver circuits
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- 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
- H04L27/2647—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
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- 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
- H04L27/2657—Carrier synchronisation
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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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03178—Arrangements involving sequence estimation techniques
- H04L25/03248—Arrangements for operating in conjunction with other apparatus
- H04L25/03273—Arrangements for operating in conjunction with other apparatus with carrier recovery circuitry
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- 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
- H04L27/2669—Details of algorithms characterised by the domain of operation
- H04L27/2672—Frequency domain
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- Power Engineering (AREA)
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- Mathematical Physics (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Description
本発明の実施例はチャネル等化追跡装置を提供する。図2は本発明の実施例1のチャネル等化追跡装置の1つの構成を示す図である。図2に示すように、チャネル等化追跡装置200は、フーリエ変換部201、補償等化部202、判定部203及びチャネル追跡部204を含む。
本発明の実施例は、実施例1におけるチャネル等化追跡装置に対応するチャネル等化追跡方法を提供し、同様な内容はその説明が省略される。
本発明の実施例は、実施例1に記載されたチャネル等化追跡装置200又は300を含む受信機を提供する。
Claims (5)
- 受信された時間領域信号を周波数領域信号に変換するフーリエ変換手段と、
時間遅延情報及び等化係数に基づいて、1回の乗算を用いて前記フーリエ変換手段により出力された信号に対して位相補償及び周波数領域等化を行う補償等化手段と、
等化後の信号を判定する判定手段と、
時間遅延情報及び前記フーリエ変換手段により出力された信号に基づいてマルチキャリアにおける一部のサブキャリアの位相誤差を計算し、指定のサブチャネルの位相オフセットを取得し、前記位相オフセットに基づいて前記指定のサブチャネルに対して位相回転を行う位相回転手段と、
前記位相回転手段により出力された信号及び前記判定手段により取得された誤差信号に基づいて前記指定のサブチャネルを追跡するチャネル追跡手段と、を含む、チャネル等化追跡装置。 - フーリエ変換を用いて受信された時間領域信号を周波数領域信号に変換するステップと、
時間遅延情報及び等化係数に基づいて、1回の乗算を用いて前記フーリエ変換後の信号に対して位相補償及び周波数領域等化を行うステップと、
等化後の信号を判定するステップと、
時間遅延情報及び前記フーリエ変換後の信号に基づいてマルチキャリアにおける一部のサブキャリアの位相誤差を計算し、指定のサブチャネルの位相オフセットを取得し、前記位相オフセットに基づいて前記指定のサブチャネルに対して位相回転を行うステップと、
前記位相回転後の信号及び前記判定して得られた誤差信号に基づいて前記指定のサブチャネルを追跡するステップと、を含む、チャネル等化追跡方法。 - 請求項1又は2に記載のチャネル等化追跡装置を含む、受信機。
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Application Number | Priority Date | Filing Date | Title |
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CN201410168369.3A CN105099975B (zh) | 2014-04-24 | 2014-04-24 | 信道均衡和跟踪装置、方法以及接收机 |
CN201410168369.3 | 2014-04-24 | ||
PCT/CN2015/073600 WO2015161720A1 (zh) | 2014-04-24 | 2015-03-04 | 信道均衡和跟踪装置、方法以及接收机 |
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JP2017517939A JP2017517939A (ja) | 2017-06-29 |
JP6373408B2 true JP6373408B2 (ja) | 2018-08-15 |
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US (1) | US9979572B2 (ja) |
EP (1) | EP3136668B1 (ja) |
JP (1) | JP6373408B2 (ja) |
CN (1) | CN105099975B (ja) |
WO (1) | WO2015161720A1 (ja) |
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CN107276923B (zh) * | 2016-04-07 | 2020-07-28 | 富士通株式会社 | 抗混叠的信道估计装置、方法以及接收机 |
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KR100200097B1 (ko) * | 1996-01-12 | 1999-06-15 | 윤종용 | 데이타 보상을 위한 디지탈 데이타 기록 재생장치 |
JP2002525917A (ja) * | 1998-09-15 | 2002-08-13 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 改善した信号調整手段を有する伝送システム |
US6151368A (en) * | 1999-03-22 | 2000-11-21 | Sicom, Inc. | Phase-noise compensated digital communication receiver and method therefor |
KR100488802B1 (ko) * | 2002-12-09 | 2005-05-12 | 한국전자통신연구원 | 직교 주파수 분할 다중화 무선 통신 시스템에서의 반송파주파수 오차와 샘플링 주파수 오차 추적 방법 및 그 장치 |
JP2004320168A (ja) * | 2003-04-11 | 2004-11-11 | Matsushita Electric Ind Co Ltd | 無線受信装置および無線受信方法 |
JP4295012B2 (ja) * | 2003-05-29 | 2009-07-15 | 株式会社ルネサステクノロジ | 半導体集積回路及び復調装置 |
US7362802B2 (en) * | 2003-09-12 | 2008-04-22 | Zarbana Digital Fund Llc | Frequency domain equalizer for wireless commuications system |
KR100719112B1 (ko) * | 2005-07-19 | 2007-05-17 | 삼성전자주식회사 | Ofdm 시스템에 적용되는 샘플링 주파수 오차 추정장치및 그 방법 |
JP4958565B2 (ja) * | 2006-01-06 | 2012-06-20 | パナソニック株式会社 | 無線通信装置 |
CN101404641B (zh) * | 2008-11-10 | 2012-08-08 | 西安电子科技大学 | 多载波系统中的残余子载波相偏纠正系统及其方法 |
CN101404633B (zh) * | 2008-11-20 | 2012-05-23 | 北京韦加航通科技有限责任公司 | 基于块传输的单载波系统的载波跟踪方法 |
JP2010220105A (ja) * | 2009-03-18 | 2010-09-30 | Toshiba Corp | 無線受信装置および無線受信方法 |
TWI412257B (zh) * | 2009-03-20 | 2013-10-11 | Univ Nat Central | Combined Carrier Synchronization and Channel Equalization Method for Orthogonal Frequency Division Multiplexing System |
JP2011055436A (ja) * | 2009-09-04 | 2011-03-17 | Hitachi Kokusai Electric Inc | Ofdm受信機 |
CN107786484B (zh) * | 2011-06-10 | 2021-02-09 | 技术研究及发展基金公司 | 接收机、发射机以及用于数字多子频带处理的方法 |
WO2014057840A1 (ja) * | 2012-10-10 | 2014-04-17 | シャープ株式会社 | 端末装置、基地局装置、無線通信システム、受信方法および集積回路 |
US9444595B2 (en) * | 2014-04-01 | 2016-09-13 | Qualcomm Incorporated | Hybrid waveform design combining OFDM and cyclic prefix based single carrier for millimeter-wave wireless communication |
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- 2015-03-04 WO PCT/CN2015/073600 patent/WO2015161720A1/zh active Application Filing
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- 2015-03-04 EP EP15783893.9A patent/EP3136668B1/en active Active
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Publication number | Publication date |
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CN105099975B (zh) | 2019-04-16 |
US20170041167A1 (en) | 2017-02-09 |
EP3136668B1 (en) | 2020-02-19 |
CN105099975A (zh) | 2015-11-25 |
US9979572B2 (en) | 2018-05-22 |
EP3136668A1 (en) | 2017-03-01 |
JP2017517939A (ja) | 2017-06-29 |
EP3136668A4 (en) | 2017-12-06 |
WO2015161720A1 (zh) | 2015-10-29 |
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