JP3802031B2 - 受信装置及び受信方法 - Google Patents
受信装置及び受信方法 Download PDFInfo
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- JP3802031B2 JP3802031B2 JP2004037968A JP2004037968A JP3802031B2 JP 3802031 B2 JP3802031 B2 JP 3802031B2 JP 2004037968 A JP2004037968 A JP 2004037968A JP 2004037968 A JP2004037968 A JP 2004037968A JP 3802031 B2 JP3802031 B2 JP 3802031B2
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- transfer characteristic
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- 238000000034 method Methods 0.000 title description 41
- 238000012546 transfer Methods 0.000 claims description 153
- 230000005540 biological transmission Effects 0.000 claims description 76
- 238000004364 calculation method Methods 0.000 claims description 36
- 238000000605 extraction Methods 0.000 claims description 20
- 239000000969 carrier Substances 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 238000005259 measurement Methods 0.000 claims description 7
- 230000007423 decrease Effects 0.000 claims description 3
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- 238000010586 diagram Methods 0.000 description 23
- 238000001228 spectrum Methods 0.000 description 20
- 238000009826 distribution Methods 0.000 description 17
- 238000012545 processing Methods 0.000 description 16
- 238000001914 filtration Methods 0.000 description 11
- 238000001514 detection method Methods 0.000 description 8
- 230000006870 function Effects 0.000 description 8
- 230000008054 signal transmission Effects 0.000 description 6
- 238000012937 correction Methods 0.000 description 5
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- 230000003044 adaptive effect Effects 0.000 description 1
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Images
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
- 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
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Circuits Of Receivers In General (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Noise Elimination (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004037968A JP3802031B2 (ja) | 2004-02-16 | 2004-02-16 | 受信装置及び受信方法 |
| EP05002693A EP1564946B1 (en) | 2004-02-16 | 2005-02-09 | Channel estimation in multicarrier transmission |
| DE602005022513T DE602005022513D1 (de) | 2004-02-16 | 2005-02-09 | Kanalschätzung bei Mehrträgerübertragung |
| US11/056,298 US7450653B2 (en) | 2004-02-16 | 2005-02-14 | Digital broadcast signal receiving apparatus and method |
| CN200510007735.8A CN1658605A (zh) | 2004-02-16 | 2005-02-16 | 数字广播信号接收装置和方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004037968A JP3802031B2 (ja) | 2004-02-16 | 2004-02-16 | 受信装置及び受信方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2005229466A JP2005229466A (ja) | 2005-08-25 |
| JP2005229466A5 JP2005229466A5 (enExample) | 2006-04-06 |
| JP3802031B2 true JP3802031B2 (ja) | 2006-07-26 |
Family
ID=34697943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004037968A Expired - Fee Related JP3802031B2 (ja) | 2004-02-16 | 2004-02-16 | 受信装置及び受信方法 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7450653B2 (enExample) |
| EP (1) | EP1564946B1 (enExample) |
| JP (1) | JP3802031B2 (enExample) |
| CN (1) | CN1658605A (enExample) |
| DE (1) | DE602005022513D1 (enExample) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2009125500A1 (ja) * | 2008-04-12 | 2011-07-28 | パイオニア株式会社 | 受信装置及び受信方法 |
| JP5172952B2 (ja) * | 2008-04-12 | 2013-03-27 | パイオニア株式会社 | 受信装置及び受信方法 |
| DE102016214789A1 (de) | 2015-08-10 | 2017-02-16 | Mitsubishi Electric Corporation | Rundsende-Empfangsvorrichtung und Rundsende-Empfangsverfahren |
| DE102013224664B4 (de) * | 2012-12-03 | 2017-03-16 | Mitsubishi Electric Corporation | Ausgleichsvorrichtung und -verfahren |
Families Citing this family (85)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4445839B2 (ja) * | 2004-11-18 | 2010-04-07 | パイオニア株式会社 | Ofdm信号受信機及び受信方法 |
| US20070002724A1 (en) * | 2005-06-15 | 2007-01-04 | Samsung Electronics Co., Ltd. | Apparatus and method for broadcast superposition and cancellation in a multi-carrier wireless network |
| US7894818B2 (en) * | 2005-06-15 | 2011-02-22 | Samsung Electronics Co., Ltd. | Apparatus and method for multiplexing broadcast and unicast traffic in a multi-carrier wireless network |
| US7688905B1 (en) * | 2005-07-01 | 2010-03-30 | University Of South Florida | Noise plus interference power estimation method for OFDM systems |
| JP4612511B2 (ja) * | 2005-09-09 | 2011-01-12 | シャープ株式会社 | 受信装置及び受信方法 |
| US7991089B2 (en) | 2005-10-21 | 2011-08-02 | Panasonic Corporation | Inter-carrier interference removal device and reception device using the same |
| JP2007150789A (ja) * | 2005-11-29 | 2007-06-14 | National Institute Of Information & Communication Technology | Ofdm通信の測定システム、受信装置、測定方法、ならびに、プログラム |
| JP4704229B2 (ja) * | 2006-02-02 | 2011-06-15 | 日本無線株式会社 | 受信装置 |
| US7551679B2 (en) * | 2006-02-03 | 2009-06-23 | Ati Technologies, Inc. | Symmetrical data signal processing |
| JP2007228029A (ja) * | 2006-02-21 | 2007-09-06 | Fujitsu Ltd | 無線通信システム及び受信装置 |
| WO2007139026A1 (ja) * | 2006-05-25 | 2007-12-06 | Sharp Kabushiki Kaisha | 受信機および伝搬路推定方法 |
| JP4883091B2 (ja) * | 2006-11-22 | 2012-02-22 | 富士通株式会社 | Mimo−ofdm通信システム及びmimo−ofdm通信方法 |
| KR100922729B1 (ko) | 2006-12-05 | 2009-10-22 | 한국전자통신연구원 | 직교주파수분할다중방식/직교주파수분할다중접속방식릴레이 시스템에서의 채널 추정 장치와 동기화 장치 및 그방법 |
| KR100889984B1 (ko) | 2007-06-07 | 2009-03-25 | 연세대학교 산학협력단 | 가상 부반송파 환경에서의 채널 추정 방법 |
| CN101399803B (zh) * | 2007-09-27 | 2011-04-13 | 大唐移动通信设备有限公司 | 正交频分复用传输信号的多用户检测方法及装置 |
| TW200919993A (en) * | 2007-10-26 | 2009-05-01 | Univ Nat Chiao Tung | Method and apparatus for determining a channel impulse response |
| US8699529B2 (en) * | 2008-03-28 | 2014-04-15 | Qualcomm Incorporated | Broadband pilot channel estimation using a reduced order FFT and a hardware interpolator |
| JP5172950B2 (ja) * | 2008-04-12 | 2013-03-27 | パイオニア株式会社 | 受信装置及び受信方法 |
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| US8411783B2 (en) * | 2009-09-23 | 2013-04-02 | Intel Corporation | Method of identifying a precoding matrix corresponding to a wireless network channel and method of approximating a capacity of a wireless network channel in a wireless network |
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| US8976851B2 (en) | 2011-05-26 | 2015-03-10 | Cohere Technologies, Inc. | Modulation and equalization in an orthonormal time-frequency shifting communications system |
| US10667148B1 (en) | 2010-05-28 | 2020-05-26 | Cohere Technologies, Inc. | Methods of operating and implementing wireless communications systems |
| US9071286B2 (en) | 2011-05-26 | 2015-06-30 | Cohere Technologies, Inc. | Modulation and equalization in an orthonormal time-frequency shifting communications system |
| US9071285B2 (en) | 2011-05-26 | 2015-06-30 | Cohere Technologies, Inc. | Modulation and equalization in an orthonormal time-frequency shifting communications system |
| US11943089B2 (en) | 2010-05-28 | 2024-03-26 | Cohere Technologies, Inc. | Modulation and equalization in an orthonormal time-shifting communications system |
| US9444514B2 (en) | 2010-05-28 | 2016-09-13 | Cohere Technologies, Inc. | OTFS methods of data channel characterization and uses thereof |
| US10681568B1 (en) | 2010-05-28 | 2020-06-09 | Cohere Technologies, Inc. | Methods of data channel characterization and uses thereof |
| US9130638B2 (en) | 2011-05-26 | 2015-09-08 | Cohere Technologies, Inc. | Modulation and equalization in an orthonormal time-frequency shifting communications system |
| JP5767899B2 (ja) * | 2011-08-23 | 2015-08-26 | 株式会社日立国際電気 | 受信装置 |
| US10411843B2 (en) * | 2012-06-25 | 2019-09-10 | Cohere Technologies, Inc. | Orthogonal time frequency space communication system compatible with OFDM |
| US10469215B2 (en) | 2012-06-25 | 2019-11-05 | Cohere Technologies, Inc. | Orthogonal time frequency space modulation system for the Internet of Things |
| US9929783B2 (en) | 2012-06-25 | 2018-03-27 | Cohere Technologies, Inc. | Orthogonal time frequency space modulation system |
| US10090972B2 (en) | 2012-06-25 | 2018-10-02 | Cohere Technologies, Inc. | System and method for two-dimensional equalization in an orthogonal time frequency space communication system |
| US10003487B2 (en) | 2013-03-15 | 2018-06-19 | Cohere Technologies, Inc. | Symplectic orthogonal time frequency space modulation system |
| US9912507B2 (en) | 2012-06-25 | 2018-03-06 | Cohere Technologies, Inc. | Orthogonal time frequency space communication system compatible with OFDM |
| JP6021668B2 (ja) * | 2013-02-04 | 2016-11-09 | 三菱電機株式会社 | 等化装置及び等化方法 |
| US8976910B1 (en) * | 2013-05-07 | 2015-03-10 | Ixia | Methods, systems, and computer readable media for smart decoding of downlink signals in the presence of interference caused by reference signals of different generation air interface equipment |
| CN104753834B (zh) * | 2013-12-27 | 2018-04-17 | 电信科学技术研究院 | 一种信道估计方法和装置 |
| CN106105069B (zh) | 2014-03-19 | 2018-09-07 | 三菱电机株式会社 | 接收装置 |
| US10090973B2 (en) | 2015-05-11 | 2018-10-02 | Cohere Technologies, Inc. | Multiple access in an orthogonal time frequency space communication system |
| WO2016183230A1 (en) | 2015-05-11 | 2016-11-17 | Cohere Technologies | Systems and methods for symplectic orthogonal time frequency shifting modulation and transmission of data |
| US10574317B2 (en) | 2015-06-18 | 2020-02-25 | Cohere Technologies, Inc. | System and method for providing wireless communication services using configurable broadband infrastructure shared among multiple network operators |
| US9866363B2 (en) | 2015-06-18 | 2018-01-09 | Cohere Technologies, Inc. | System and method for coordinated management of network access points |
| WO2017003952A1 (en) | 2015-06-27 | 2017-01-05 | Cohere Technologies, Inc. | Orthogonal time frequency space communication system compatible with ofdm |
| KR20250136940A (ko) * | 2015-07-12 | 2025-09-16 | 코히어 테크널러지스, 아이엔씨. | Ofdm과 호환가능한 직교 시간 주파수 공간 통신 시스템 |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03160575A (ja) * | 1989-11-20 | 1991-07-10 | Toshiba Corp | 画像表示装置 |
| FR2671923B1 (fr) * | 1991-01-17 | 1993-04-16 | France Etat | Dispositif de demodulation coherente de donnees numeriques entrelacees en temps et en frequence, a estimation de la reponse frequentielle du canal de transmission et seuillage, et emetteur correspondant. |
| JP2911861B2 (ja) | 1997-11-26 | 1999-06-23 | 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用受信装置 |
| JP3981898B2 (ja) | 1998-02-20 | 2007-09-26 | ソニー株式会社 | 信号受信装置および方法、並びに記録媒体 |
| US6654429B1 (en) * | 1998-12-31 | 2003-11-25 | At&T Corp. | Pilot-aided channel estimation for OFDM in wireless systems |
| FR2814011B1 (fr) * | 2000-09-14 | 2003-10-24 | France Telecom | Procede d'estimation optimale d'un canal de propagation reposant uniquement sur les symboles pilotes et estimateur correspondant |
| JP2002261729A (ja) | 2001-03-06 | 2002-09-13 | Hitachi Ltd | Ofdm受信装置 |
| 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 |
| US7209433B2 (en) * | 2002-01-07 | 2007-04-24 | Hitachi, Ltd. | Channel estimation and compensation techniques for use in frequency division multiplexed systems |
-
2004
- 2004-02-16 JP JP2004037968A patent/JP3802031B2/ja not_active Expired - Fee Related
-
2005
- 2005-02-09 DE DE602005022513T patent/DE602005022513D1/de not_active Expired - Lifetime
- 2005-02-09 EP EP05002693A patent/EP1564946B1/en not_active Expired - Fee Related
- 2005-02-14 US US11/056,298 patent/US7450653B2/en not_active Expired - Fee Related
- 2005-02-16 CN CN200510007735.8A patent/CN1658605A/zh active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2009125500A1 (ja) * | 2008-04-12 | 2011-07-28 | パイオニア株式会社 | 受信装置及び受信方法 |
| JP5172952B2 (ja) * | 2008-04-12 | 2013-03-27 | パイオニア株式会社 | 受信装置及び受信方法 |
| DE102013224664B4 (de) * | 2012-12-03 | 2017-03-16 | Mitsubishi Electric Corporation | Ausgleichsvorrichtung und -verfahren |
| DE102016214789A1 (de) | 2015-08-10 | 2017-02-16 | Mitsubishi Electric Corporation | Rundsende-Empfangsvorrichtung und Rundsende-Empfangsverfahren |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1564946B1 (en) | 2010-07-28 |
| US7450653B2 (en) | 2008-11-11 |
| EP1564946A2 (en) | 2005-08-17 |
| DE602005022513D1 (de) | 2010-09-09 |
| US20050180517A1 (en) | 2005-08-18 |
| JP2005229466A (ja) | 2005-08-25 |
| CN1658605A (zh) | 2005-08-24 |
| EP1564946A3 (en) | 2006-08-30 |
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