JP2008502282A - 直交周波数分割多重受信器 - Google Patents
直交周波数分割多重受信器 Download PDFInfo
- Publication number
- JP2008502282A JP2008502282A JP2007527622A JP2007527622A JP2008502282A JP 2008502282 A JP2008502282 A JP 2008502282A JP 2007527622 A JP2007527622 A JP 2007527622A JP 2007527622 A JP2007527622 A JP 2007527622A JP 2008502282 A JP2008502282 A JP 2008502282A
- Authority
- JP
- Japan
- Prior art keywords
- receiver
- demodulator
- data stream
- components
- fft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 239000000284 extract Substances 0.000 abstract 1
- 238000012545 processing Methods 0.000 description 14
- 238000005070 sampling Methods 0.000 description 12
- 238000012937 correction Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 238000005562 fading Methods 0.000 description 5
- 230000006872 improvement Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 239000000969 carrier Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009432 framing Methods 0.000 description 2
- 238000012549 training Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229920001690 polydopamine Polymers 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Images
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
- H04L27/2655—Synchronisation arrangements
- H04L27/2657—Carrier synchronisation
-
- 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
- H04L27/2662—Symbol synchronisation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radio Transmission System (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US57760204P | 2004-06-08 | 2004-06-08 | |
| PCT/US2005/019814 WO2005125136A1 (en) | 2004-06-08 | 2005-06-07 | Orthogonal frequency division multiplexing receiver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2008502282A true JP2008502282A (ja) | 2008-01-24 |
| JP2008502282A5 JP2008502282A5 (enExample) | 2008-04-03 |
Family
ID=35510109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007527622A Withdrawn JP2008502282A (ja) | 2004-06-08 | 2005-06-07 | 直交周波数分割多重受信器 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7346114B2 (enExample) |
| EP (1) | EP1754355A1 (enExample) |
| JP (1) | JP2008502282A (enExample) |
| CN (1) | CN1860753A (enExample) |
| WO (1) | WO2005125136A1 (enExample) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7952511B1 (en) | 1999-04-07 | 2011-05-31 | Geer James L | Method and apparatus for the detection of objects using electromagnetic wave attenuation patterns |
| US7643549B2 (en) * | 2004-09-28 | 2010-01-05 | Broadcom Corporation | Wireless device having a hardware accelerator to support equalization processing |
| US7765086B2 (en) * | 2004-12-09 | 2010-07-27 | Tektronix, Inc. | Modulation domain trigger |
| US8019036B2 (en) * | 2006-03-07 | 2011-09-13 | Interdigital Technology Corporation | Method and apparatus for correcting sampler clock frequency offset in OFDM MIMO systems |
| US7676207B2 (en) * | 2006-03-08 | 2010-03-09 | Newport Media, Inc. | System and method for digital autonomous automatic gain control (AGC) for DVB-H receivers |
| TWI350679B (en) * | 2006-04-03 | 2011-10-11 | Realtek Semiconductor Corp | Frequency offset correction for an ultrawideband communication system |
| US7881398B2 (en) * | 2006-08-21 | 2011-02-01 | Agere Systems Inc. | FFT numerology for an OFDM transmission system |
| CN104113504A (zh) * | 2007-03-29 | 2014-10-22 | 深圳赛意法微电子有限公司 | 具有模拟和数字分离滤波器的drm接收机和解调方法 |
| US8559296B2 (en) * | 2008-08-01 | 2013-10-15 | Broadcom Corporation | Method and system for an OFDM joint timing and frequency tracking system |
| US8174958B2 (en) * | 2008-08-01 | 2012-05-08 | Broadcom Corporation | Method and system for a reference signal (RS) timing loop for OFDM symbol synchronization and tracking |
| TWI429295B (zh) * | 2009-05-20 | 2014-03-01 | Mstar Semiconductor Inc | 用來偵測一數位資料串流的電路及相關方法 |
| GB2478143A (en) * | 2010-02-25 | 2011-08-31 | Sony Corp | Selective local data insertion using hierarchical modulation symbols on OFDM sub-carriers in DVB-NGH system |
| US9124396B2 (en) * | 2011-07-28 | 2015-09-01 | Allen LeRoy Limberg | COFDM digital television receivers for iterative-diversity reception |
| US8767855B2 (en) * | 2012-04-07 | 2014-07-01 | Greenvity Communications, Inc. | Method of estimating sampling clock offset, a sampling clock offset estimator and a receiver comprising the same |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4240226C2 (de) | 1992-11-30 | 1996-12-12 | Deutsche Forsch Luft Raumfahrt | Verfahren zum digitalen Übertragen von hierarchischen HDTV-, EDTV- und SDTV-Fernsehsignalen |
| JP3289610B2 (ja) * | 1996-07-31 | 2002-06-10 | 日本ビクター株式会社 | Ofdm復調装置及びその方法 |
| US6359938B1 (en) | 1996-10-31 | 2002-03-19 | Discovision Associates | Single chip VLSI implementation of a digital receiver employing orthogonal frequency division multiplexing |
| TW465234B (en) | 1997-02-18 | 2001-11-21 | Discovision Ass | Single chip VLSI implementation of a digital receiver employing orthogonal frequency division multiplexing |
| US6005894A (en) * | 1997-04-04 | 1999-12-21 | Kumar; Derek D. | AM-compatible digital broadcasting method and system |
| US6320917B1 (en) | 1997-05-02 | 2001-11-20 | Lsi Logic Corporation | Demodulating digital video broadcast signals |
| US6240146B1 (en) | 1997-05-02 | 2001-05-29 | Lsi Logic Corporation | Demodulating digital video broadcast signals |
| US6317470B1 (en) | 1998-09-15 | 2001-11-13 | Ibiquity Digital Corporation | Adaptive weighting method for orthogonal frequency division multiplexed soft symbols using channel state information estimates |
| GB2364865B (en) * | 2000-07-12 | 2004-01-21 | Conexant Systems Inc | Receiver circuit |
| JP2004112216A (ja) * | 2002-09-17 | 2004-04-08 | Alps Electric Co Ltd | Ofdm受信装置 |
| JP4302410B2 (ja) * | 2003-02-28 | 2009-07-29 | 独立行政法人情報通信研究機構 | 受信装置、受信方法、ならびに、プログラム |
| KR100510549B1 (ko) | 2003-09-26 | 2005-08-26 | 삼성전자주식회사 | 코채널 간섭을 검출하고 경감시키는 디지털 비디오 방송수신기의 채널 상태 평가 장치 및 그 방법 |
-
2005
- 2005-06-07 CN CNA2005800010036A patent/CN1860753A/zh active Pending
- 2005-06-07 JP JP2007527622A patent/JP2008502282A/ja not_active Withdrawn
- 2005-06-07 US US10/574,585 patent/US7346114B2/en not_active Expired - Fee Related
- 2005-06-07 WO PCT/US2005/019814 patent/WO2005125136A1/en not_active Ceased
- 2005-06-07 EP EP05757666A patent/EP1754355A1/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| EP1754355A1 (en) | 2007-02-21 |
| CN1860753A (zh) | 2006-11-08 |
| US20070183514A1 (en) | 2007-08-09 |
| WO2005125136A1 (en) | 2005-12-29 |
| US7346114B2 (en) | 2008-03-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20080212 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20080212 |
|
| A761 | Written withdrawal of application |
Free format text: JAPANESE INTERMEDIATE CODE: A761 Effective date: 20081128 |