JP4906721B2 - デジタル信号の送信方法、デジタル信号の受信方法、並びに送信機及び受信機 - Google Patents
デジタル信号の送信方法、デジタル信号の受信方法、並びに送信機及び受信機 Download PDFInfo
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- JP4906721B2 JP4906721B2 JP2007524771A JP2007524771A JP4906721B2 JP 4906721 B2 JP4906721 B2 JP 4906721B2 JP 2007524771 A JP2007524771 A JP 2007524771A JP 2007524771 A JP2007524771 A JP 2007524771A JP 4906721 B2 JP4906721 B2 JP 4906721B2
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- modulation code
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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
- H04L27/2602—Signal structure
-
- 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
- H04L27/2626—Arrangements specific to the transmitter only
- H04L27/2627—Modulators
- H04L27/2634—Inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators in combination with other circuits for modulation
-
- 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
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mathematical Physics (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- Noise Elimination (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Radar Systems Or Details Thereof (AREA)
- Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Transceivers (AREA)
Description
Wは、サイズM×MのPT(pre-transform)行列を表す。チャネル使用のたびに送信された情報符号の数という観点では、符号レートの損失はない。OFDMシステムの場合、行列Wは、単に単位行列であろう。
但し、Γ=diag(h1,h2,…,hM)は、周波数ドメインチャネル係数である対角要素h1,h2,…,hMを有する対角行列であり、nは、次元M×1のAWGNベクトルである。周波数ドメインチャネル係数は、サンプリングされた空間L次FIR(finite input response)チャネルモデル
但し、α=exp(−jπ/(2M))であり、FはサイズMのFFT行列である。
但し、
干渉除去j=1,…,Jに対して、
(i){ck}k≠jを用いて復元された受信信号r iから除去し、cjの軟推定値を得る。
(ii)当該軟推定値に対し硬判定を実行し、新しく検出されたcjを更新する。
(iii)jを増加させて(i)を続ける。
101 前変換部
102 IFFT部
103 P/S部
104 サイクリックプレフィックス部
105 チャネル
106 送信機
107 受信機
108 サイクリックプレフィックス除去部
109 S/P部
110 FFT部
111 検出部
112 決定部
Claims (7)
- 信号を受信する方法であって、
変調された搬送信号を受信し、
前記変調された搬送信号を復調して変調符号の第1ブロックを生成し、
前記変調符号の第1ブロックを線形フィルタ及び逆前変換により処理し、
前記逆前変換は、相回転行列を有する前記フィルタ処理された変調符号の第1ブロックの乗算に相当する、前記フィルタ処理された変調符号の第1ブロックの相回転からなり、
前記逆前変換は、変調符号の第2ブロックを生成するために、前記フィルタ処理された変調符号の第1ブロックのドメイン変換から更になり、
前記変調符号の第2ブロックを、該変調符号の第2ブロックがそれらの最も近い信号群までの夫々の最小ユークリッド距離に応じて降順に順序付けされるように処理し、
前記変調符号の第2ブロックを、最小ユークリッド距離を有する前記変調符号の第2ブロックの信号変調符号を用いて、前記変調符号の第2ブロックの他の変調符号から、干渉除去プロセスに応じて干渉が除去されるように、前記順序に応じて前記干渉除去プロセスで更に更新することを特徴とする信号受信方法。 - 前記ドメイン変換は、前記相回転の後に行われることを特徴とする請求項1に記載の信号受信方法。
- 前記ドメイン変換は、離散サイン変換、離散コサイン変換又は離散フーリエ変換であることを特徴とする請求項1又は2に記載の信号受信方法。
- 前記相回転は、前記フィルタ処理された変調符号の第1ブロックの成分のうちの少なくとも一成分を、ゼロでない角度で回転させることを特徴とする請求項1から3のいずれか一項に記載の信号受信方法。
- 前記相回転行列は、対角行列であることを特徴とする請求項1から4のいずれか一項に記載の信号受信方法。
- 前記相回転行列は、diag(1,α,…,αM−1)の形態を有し、ここでα=exp(−jΠ/(2M))であり、Mは前記フィルタ処理された変調符号の第1ブロックの次元であることを特徴とする請求項5に記載の信号受信方法。
- 信号を受信する受信機であって、
変調された搬送信号を受信するように構成された受信部と、
前記変調された搬送信号を復調して変調符号の第1ブロックを生成するように構成された復調部と、
前記変調符号の第1ブロックを線形フィルタ及び逆前変換により処理するように構成された処理部であって、前記逆前変換は、相回転行列を有する前記フィルタ処理された変調符号の第1ブロックの乗算に相当する、前記フィルタ処理された変調符号の第1ブロックの相回転からなり、前記逆前変換は、変調符号の第2ブロックを生成するために、前記フィルタ処理された変調符号の第1ブロックのドメイン変換から更になる処理部と、
前記変調符号の第2ブロックを、該変調符号の第2ブロックが夫々の最小ユークリッド距離に応じて降順に順序付けするように構成された順序付け部と、
最小ユークリッド距離を有する前記変調符号の第2ブロックの信号変調符号を用いて、前記変調符号の第2ブロックの他の変調符号から、干渉を除去するように構成された除去部と、
を備えることを特徴とする受信機。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US59881904P | 2004-08-03 | 2004-08-03 | |
US60/598,819 | 2004-08-03 | ||
PCT/SG2005/000264 WO2006014141A1 (en) | 2004-08-03 | 2005-08-03 | Method for transmitting a digital signal, method for receiving a digital signal, transmitter and receiver |
Publications (2)
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JP2008509594A JP2008509594A (ja) | 2008-03-27 |
JP4906721B2 true JP4906721B2 (ja) | 2012-03-28 |
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JP2007524772A Expired - Fee Related JP4707071B2 (ja) | 2004-08-03 | 2005-08-03 | 信号検出方法、検出器及びコンピュータプログラム製品 |
JP2007524771A Expired - Fee Related JP4906721B2 (ja) | 2004-08-03 | 2005-08-03 | デジタル信号の送信方法、デジタル信号の受信方法、並びに送信機及び受信機 |
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JP2007524772A Expired - Fee Related JP4707071B2 (ja) | 2004-08-03 | 2005-08-03 | 信号検出方法、検出器及びコンピュータプログラム製品 |
Country Status (8)
Country | Link |
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US (2) | US7869493B2 (ja) |
EP (2) | EP1779531A4 (ja) |
JP (2) | JP4707071B2 (ja) |
CN (2) | CN101023590A (ja) |
AT (1) | ATE554546T1 (ja) |
SG (1) | SG155178A1 (ja) |
TW (2) | TWI383610B (ja) |
WO (2) | WO2006014141A1 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SG155178A1 (en) * | 2004-08-03 | 2009-09-30 | Agency Science Tech & Res | Method for detecting a signal, detector and computer program product |
KR101118772B1 (ko) * | 2004-12-02 | 2012-03-21 | 뉴저지 인스티튜트 오브 테크놀로지 | Papr의 감소를 위한 방법 및/또는 시스템 |
US8040994B1 (en) * | 2007-03-19 | 2011-10-18 | Seagate Technology Llc | Phase coefficient generation for PLL |
US8509324B2 (en) * | 2008-07-08 | 2013-08-13 | Qualcomm Incorporated | Methods and systems for reducing PAPR of an OFDM signal |
WO2010062230A1 (en) * | 2008-11-27 | 2010-06-03 | Telefonaktiebolaget L M Ericsson (Publ) | Methods and arrangements for peak to average power ratio reduction |
US8228806B2 (en) * | 2009-06-15 | 2012-07-24 | Mediatek Inc. | Method and system to detect packets of different formats in a receiver |
GB201222552D0 (en) * | 2012-12-14 | 2013-01-30 | Sony Corp | Data processing apparatus and method |
EP3217568B1 (en) * | 2014-11-07 | 2020-12-30 | LG Electronics Inc. | Signal transmission method and apparatus of apparatus having plurality of antennas in wireless communication system |
EP3610586A1 (en) * | 2017-04-13 | 2020-02-19 | Nokia Technologies Oy | Processing multiple carrier visible light communication signals |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1065588A (ja) * | 1996-08-23 | 1998-03-06 | Sony Corp | 振幅・位相補正回路、受信装置及び送信装置 |
JPH1084329A (ja) * | 1996-09-10 | 1998-03-31 | Nippon Hoso Kyokai <Nhk> | Ofdm変調信号の伝送方法およびofdm送信装置、受信装置 |
WO2003065635A1 (en) * | 2002-01-31 | 2003-08-07 | Motorola Inc | Reception of multicarrier spread- sprectrum signals |
WO2004025841A2 (en) * | 2002-09-10 | 2004-03-25 | Cognio, Inc. | Techniques for correcting for phase and amplitude offsets in a mimo radio device |
JP2008509595A (ja) * | 2004-08-03 | 2008-03-27 | エージェンシー フォー サイエンス,テクノロジー アンド リサーチ | 信号検出方法、検出器及びコンピュータプログラム製品 |
Family Cites Families (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3000856A1 (de) | 1980-01-11 | 1981-07-16 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Adaptive entzerrereinrichtung |
EP0715407B1 (en) | 1991-02-20 | 2002-06-05 | Nec Corporation | Method and apparatus for controlling coefficients of adaptive filter |
EP0525456B1 (en) | 1991-07-10 | 1996-11-06 | Sharp Kabushiki Kaisha | System using plurality of adaptive digital filters |
FR2694149B1 (fr) | 1992-07-21 | 1994-09-30 | Ezran Philippe | Procédé et dispositif de démodulation tout numérique de signal analogique. |
FR2697704B1 (fr) | 1992-10-29 | 1995-01-06 | France Telecom | Procédé et dispositif de segmentation en sous-bandes et de reconstruction d'un signal numérique, et dispositif correspondant. |
WO1995016259A1 (en) | 1993-12-06 | 1995-06-15 | Philips Electronics N.V. | A noise reduction system and device, and a mobile radio station |
US6067292A (en) | 1996-08-20 | 2000-05-23 | Lucent Technologies Inc | Pilot interference cancellation for a coherent wireless code division multiple access receiver |
DE19635813A1 (de) * | 1996-09-04 | 1998-03-05 | Johannes Prof Dr Ing Huber | Verfahren zur Reduktion des Spitzenwertfaktors bei digitalen Übertragungsverfahren |
JP2883866B2 (ja) * | 1997-04-21 | 1999-04-19 | 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 | Ofdm復調装置 |
US6055318A (en) | 1998-05-07 | 2000-04-25 | Ford Motor Company | Adaptive noise reduction filter with low modulation disabling |
US6301293B1 (en) | 1998-08-04 | 2001-10-09 | Agere Systems Guardian Corp. | Detectors for CDMA systems |
US6426983B1 (en) | 1998-09-14 | 2002-07-30 | Terayon Communication Systems, Inc. | Method and apparatus of using a bank of filters for excision of narrow band interference signal from CDMA signal |
US6298050B1 (en) | 1998-11-25 | 2001-10-02 | Nortel Networks Limited | System and method for cancelling the extra interference created during position location in a CDMA cellular system |
US6507602B1 (en) | 1999-01-07 | 2003-01-14 | Ericsson, Inc. | Smoothing receiver channel estimates using spectral estimation |
US6269132B1 (en) | 1999-04-26 | 2001-07-31 | Intellon Corporation | Windowing function for maintaining orthogonality of channels in the reception of OFDM symbols |
US6549544B1 (en) * | 1999-11-10 | 2003-04-15 | Ibiquity Digital Corporation | Method and apparatus for transmission and reception of FM in-band on-channel digital audio broadcasting |
FR2802041A1 (fr) * | 1999-12-07 | 2001-06-08 | Koninkl Philips Electronics Nv | Methode de detection de blocs pour canal soumis a evanouissement |
DE19961121C2 (de) | 1999-12-17 | 2002-02-07 | Infineon Technologies Ag | Schaltungsanordnung und Verfahren zur Offsetkompensation eines Signals |
US6377632B1 (en) | 2000-01-24 | 2002-04-23 | Iospan Wireless, Inc. | Wireless communication system and method using stochastic space-time/frequency division multiplexing |
US6654408B1 (en) | 2000-10-27 | 2003-11-25 | Wisconsin Alumni Research Foundation | Method and system for multi-carrier multiple access reception in the presence of imperfections |
US6996199B2 (en) | 2001-01-25 | 2006-02-07 | Bandspeed, Inc. | Approach for processing data received from a communications channel to reduce noise power and optimize impulse response length to reduce inter-symbol interference and inter-channel interference |
US6882619B1 (en) | 2001-02-21 | 2005-04-19 | At&T Corp. | Interference suppressing OFDM method for wireless communications |
US7218692B2 (en) | 2001-06-15 | 2007-05-15 | Texas Instruments Incorporated | Multi-path interference cancellation for transmit diversity |
GB0115015D0 (en) | 2001-06-20 | 2001-08-08 | Koninkl Philips Electronics Nv | Method of, and receiver for, minimising carrier phase rotation due to signal adjustments and enhancements |
EP1328083B1 (en) * | 2002-01-11 | 2006-10-25 | Mitsubishi Electric Information Technology Centre Europe B.V. | Pre-distortion method for an MC-CDMA uplink |
WO2003088540A1 (en) | 2002-04-05 | 2003-10-23 | Flarion Technologies, Inc. | Phase sequences for timing and access signals |
CN100530983C (zh) * | 2002-08-28 | 2009-08-19 | 新加坡科技研究局 | 具有用于降低噪声的信号重构部分的接收机、系统及其方法 |
ATE377878T1 (de) * | 2002-09-05 | 2007-11-15 | Mitsubishi Electric Inf Tech | Verfahren zur mc-cdma abwärtsrichtstrahlbildung, wobei die gewichtungen der antennenelemente benutzer- und frequenzindividuell sind und zur maximierung des signals zur interferenz und rauschverhältnisses angepasst werden |
JP4412926B2 (ja) | 2002-09-27 | 2010-02-10 | 株式会社エヌ・ティ・ティ・ドコモ | 適応等化装置及びそのプログラム |
US8208364B2 (en) | 2002-10-25 | 2012-06-26 | Qualcomm Incorporated | MIMO system with multiple spatial multiplexing modes |
US6925128B2 (en) | 2002-10-31 | 2005-08-02 | Motorola, Inc. | Method and apparatus for reducing a peak-to-average power ratio in an orthogonal frequency division multiplex signal |
TWI257794B (en) | 2003-01-24 | 2006-07-01 | Ind Tech Res Inst | System and method of protecting and transmitting side information for multicarrier communication systems with reduced peak-to-average power ratio |
US8149960B2 (en) * | 2003-05-23 | 2012-04-03 | Zenith Electronics Llc | Channel estimation for frequency selective multipath channels with long delay spreads based on an assumed physical channel |
KR100950639B1 (ko) * | 2005-03-23 | 2010-04-01 | 삼성전자주식회사 | 주파수 공간 블록 부호화 기법과 단일 반송파 주파수 영역등화 방식을 이용한 송수신 장치 및 방법 |
US8130846B2 (en) * | 2006-12-11 | 2012-03-06 | New Jersey Institute Of Technology | System and method for single-carrier space-frequency block coded transmission over frequency selective and fast fading channels |
-
2005
- 2005-08-03 SG SG200905167-3A patent/SG155178A1/en unknown
- 2005-08-03 EP EP05764096A patent/EP1779531A4/en not_active Withdrawn
- 2005-08-03 CN CNA2005800295261A patent/CN101023590A/zh active Pending
- 2005-08-03 TW TW094126320A patent/TWI383610B/zh not_active IP Right Cessation
- 2005-08-03 JP JP2007524772A patent/JP4707071B2/ja not_active Expired - Fee Related
- 2005-08-03 WO PCT/SG2005/000264 patent/WO2006014141A1/en active Application Filing
- 2005-08-03 EP EP05764095A patent/EP1774684B1/en not_active Not-in-force
- 2005-08-03 AT AT05764095T patent/ATE554546T1/de active
- 2005-08-03 JP JP2007524771A patent/JP4906721B2/ja not_active Expired - Fee Related
- 2005-08-03 US US11/573,138 patent/US7869493B2/en not_active Expired - Fee Related
- 2005-08-03 US US11/573,126 patent/US8218694B2/en not_active Expired - Fee Related
- 2005-08-03 WO PCT/SG2005/000265 patent/WO2006014142A1/en active Application Filing
- 2005-08-03 CN CN2005800295651A patent/CN101023610B/zh not_active Expired - Fee Related
- 2005-08-03 TW TW094126321A patent/TW200618559A/zh unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1065588A (ja) * | 1996-08-23 | 1998-03-06 | Sony Corp | 振幅・位相補正回路、受信装置及び送信装置 |
JPH1084329A (ja) * | 1996-09-10 | 1998-03-31 | Nippon Hoso Kyokai <Nhk> | Ofdm変調信号の伝送方法およびofdm送信装置、受信装置 |
WO2003065635A1 (en) * | 2002-01-31 | 2003-08-07 | Motorola Inc | Reception of multicarrier spread- sprectrum signals |
WO2004025841A2 (en) * | 2002-09-10 | 2004-03-25 | Cognio, Inc. | Techniques for correcting for phase and amplitude offsets in a mimo radio device |
JP2008509595A (ja) * | 2004-08-03 | 2008-03-27 | エージェンシー フォー サイエンス,テクノロジー アンド リサーチ | 信号検出方法、検出器及びコンピュータプログラム製品 |
Also Published As
Publication number | Publication date |
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JP4707071B2 (ja) | 2011-06-22 |
US20080260070A1 (en) | 2008-10-23 |
WO2006014142A1 (en) | 2006-02-09 |
TW200610301A (en) | 2006-03-16 |
EP1779531A1 (en) | 2007-05-02 |
EP1774684A4 (en) | 2011-01-26 |
JP2008509594A (ja) | 2008-03-27 |
ATE554546T1 (de) | 2012-05-15 |
JP2008509595A (ja) | 2008-03-27 |
WO2006014141A1 (en) | 2006-02-09 |
EP1774684B1 (en) | 2012-04-18 |
CN101023590A (zh) | 2007-08-22 |
SG155178A1 (en) | 2009-09-30 |
US7869493B2 (en) | 2011-01-11 |
CN101023610B (zh) | 2012-08-22 |
TWI383610B (zh) | 2013-01-21 |
CN101023610A (zh) | 2007-08-22 |
EP1774684A1 (en) | 2007-04-18 |
US8218694B2 (en) | 2012-07-10 |
US20090232261A1 (en) | 2009-09-17 |
TW200618559A (en) | 2006-06-01 |
EP1779531A4 (en) | 2011-02-23 |
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