TWI410071B - 訊號處理設備及方法 - Google Patents
訊號處理設備及方法 Download PDFInfo
- Publication number
- TWI410071B TWI410071B TW099122672A TW99122672A TWI410071B TW I410071 B TWI410071 B TW I410071B TW 099122672 A TW099122672 A TW 099122672A TW 99122672 A TW99122672 A TW 99122672A TW I410071 B TWI410071 B TW I410071B
- Authority
- TW
- Taiwan
- Prior art keywords
- carrier frequency
- frequency offset
- signal
- ofdm
- offset
- Prior art date
Links
- 238000012545 processing Methods 0.000 title claims abstract description 131
- 238000000034 method Methods 0.000 title description 17
- 238000012937 correction Methods 0.000 claims abstract description 121
- 238000001514 detection method Methods 0.000 claims abstract description 67
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 238000003672 processing method Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 28
- 238000010586 diagram Methods 0.000 description 16
- 239000000284 extract Substances 0.000 description 5
- 230000008054 signal transmission Effects 0.000 description 5
- 230000036039 immunity Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000969 carrier Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
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
- H04L27/2662—Symbol synchronisation
- H04L27/2665—Fine synchronisation, e.g. by positioning the FFT window
-
- 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
- H04L27/2659—Coarse or integer frequency offset determination and 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
- H04L27/2657—Carrier synchronisation
- H04L27/266—Fine or fractional frequency offset determination and 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
- H04L27/2668—Details of algorithms
- H04L27/2673—Details of algorithms characterised by synchronisation parameters
- H04L27/2675—Pilot or known symbols
-
- 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
- H04L27/2685—Speed of convergence
-
- 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
- H04L27/2666—Acquisition of further OFDM parameters, e.g. bandwidth, subcarrier spacing, or guard interval length
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009173591A JP5267874B2 (ja) | 2009-07-24 | 2009-07-24 | 信号処理装置、及び、信号処理方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW201119273A TW201119273A (en) | 2011-06-01 |
| TWI410071B true TWI410071B (zh) | 2013-09-21 |
Family
ID=42565083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW099122672A TWI410071B (zh) | 2009-07-24 | 2010-07-09 | 訊號處理設備及方法 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US8374264B2 (enExample) |
| EP (1) | EP2278768A3 (enExample) |
| JP (1) | JP5267874B2 (enExample) |
| CN (1) | CN101964772B (enExample) |
| BR (1) | BRPI1004961A2 (enExample) |
| RU (1) | RU2549205C2 (enExample) |
| TW (1) | TWI410071B (enExample) |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8660197B2 (en) * | 2009-03-06 | 2014-02-25 | Telefonaktiebolaget L M Ericsson (Publ) | Method of and equipment for compensating carrier frequency offset in an orthogonal frequency division multiplexing wireless radio transmission system |
| WO2012067362A2 (ko) * | 2010-11-17 | 2012-05-24 | 엘지전자 주식회사 | 방송 신호 송/수신기 및 방송 신호 송/수신 방법 |
| US8532228B2 (en) * | 2010-12-23 | 2013-09-10 | Microchip Technology Incorporated | Automatic frequency offset compensation in zero-intermediate frequency receivers using minimum-shift keying (MSK) signaling |
| US8548096B2 (en) | 2010-12-31 | 2013-10-01 | Telefonaktiebolaget L M Ericsson (Publ) | Controllable frequency offset for inphase and Quadrature (IQ) imbalance estimation |
| WO2012100016A1 (en) * | 2011-01-22 | 2012-07-26 | Intermountain Invention Management, Llc | Apparatus, systems, and methods for accessing the airway with medical instruments without interruption of assisted respiration |
| US8837611B2 (en) * | 2011-02-09 | 2014-09-16 | Silicon Laboratories Inc. | Memory-aided synchronization in a receiver |
| JP2012191565A (ja) * | 2011-03-14 | 2012-10-04 | Sony Corp | 受信装置、受信方法、およびプログラム |
| FR2973616B1 (fr) * | 2011-04-01 | 2013-11-01 | St Microelectronics Grenoble 2 | Systeme et procede de demodulation de symboles d'un signal de television numerique terrestre |
| CN103095627B (zh) * | 2011-10-28 | 2016-12-07 | 中国移动通信集团广东有限公司 | 一种正交频分复用技术系统同步方法和电子设备 |
| FR2989242A1 (fr) | 2012-04-10 | 2013-10-11 | France Telecom | Procede de traitement d'un signal multiporteuse recu, procede de reception d'un signal optique, programme d'ordinateur et dispositif de traitement correspondants. |
| JP5983996B2 (ja) * | 2012-05-31 | 2016-09-06 | ソニー株式会社 | 受信装置、及び受信方法 |
| CN103546797B (zh) * | 2012-07-11 | 2017-03-15 | 扬智电子科技(上海)有限公司 | 信号接收系统及其方法 |
| US9385909B2 (en) * | 2013-10-08 | 2016-07-05 | Freescale Semiconductor, Inc. | Detecting repeated preamble symbols using over-sized discrete fourier transforms |
| CN105791179B (zh) * | 2014-12-18 | 2019-03-29 | 联芯科技有限公司 | 采样频偏补偿装置和方法 |
| CN104618276B (zh) * | 2014-12-23 | 2018-07-03 | 大唐半导体设计有限公司 | 一种调频接收机中的载波频偏估计方法及系统 |
| US10091731B2 (en) * | 2016-02-05 | 2018-10-02 | Samsung Electronics Co., Ltd. | Method and apparatus for detecting packet |
| MX389056B (es) * | 2016-07-08 | 2025-03-20 | Sony Semiconductor Solutions Corp | Dispositivo de transmision, metodo de transmision, dispositivo de recepcion, y metodo de recepcion. |
| KR102601201B1 (ko) * | 2016-10-07 | 2023-11-13 | 한국전자통신연구원 | 주파수 옵셋 추정 및 보상 방법 |
| CN106571854A (zh) * | 2016-11-05 | 2017-04-19 | 北京晓程科技股份有限公司 | 电力载波ofdm系统频率域帧检测同步方法及装置 |
| RU2680971C1 (ru) * | 2017-01-09 | 2019-03-01 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Казанский национальный исследовательский технический университет им. А.Н. Туполева-КАИ" (КНИТУ-КАИ) | Способ обработки OFDM сигналов и устройство для его реализации |
| US10541852B2 (en) * | 2017-11-23 | 2020-01-21 | Nxp Usa, Inc. | Preamble detection mechanism for reception of asynchronous packets |
| BR112020024292A2 (pt) | 2018-06-06 | 2021-03-02 | Massachusetts Institute Of Technology | rna circular para translação em células eucarióticas |
| US10135660B1 (en) * | 2018-06-12 | 2018-11-20 | Hong Kong Applied Science and Technology Research Institute Company Limited | Sampling frequency offset tracking based on decision feedback channel estimation |
| IL288284B2 (en) | 2019-05-22 | 2024-06-01 | Massachusetts Inst Technology | Circular rna compositions and methods |
| JP2023504568A (ja) | 2019-12-04 | 2023-02-03 | オルナ セラピューティクス インコーポレイテッド | 環状rna組成物及び方法 |
| US12297285B2 (en) | 2022-06-24 | 2025-05-13 | Orna Therapeutics, Inc. | Circular RNA encoding chimeric antigen receptors targeting BCMA |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1480401A2 (en) * | 2003-05-20 | 2004-11-24 | Samsung Electronics Co., Ltd. | Frequency-offset estimator for multi-carrier reception |
| US20050036564A1 (en) * | 2003-08-14 | 2005-02-17 | Stefan Peter | Method for processing an OFDM signal |
| EP1672909A2 (en) * | 2004-12-17 | 2006-06-21 | LG Electronics Inc. | Apparatus for synchronization acquisition in digital receiver and method thereof |
| WO2008142419A1 (en) * | 2007-05-23 | 2008-11-27 | British Broadcasting Corporation | Ofdm-mimo radio frequency transmission system |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6618452B1 (en) * | 1998-06-08 | 2003-09-09 | Telefonaktiebolaget Lm Ericsson (Publ) | Burst carrier frequency synchronization and iterative frequency-domain frame synchronization for OFDM |
| RU2221284C2 (ru) * | 2002-02-26 | 2004-01-10 | Дочернее государственное унитарное научно-исследовательское предприятие "АРГУС" | Способ передачи и приема закодированной речи |
| US7545870B1 (en) * | 2004-04-14 | 2009-06-09 | Panasonic Corporation | Reception device |
| JP4153916B2 (ja) * | 2005-01-31 | 2008-09-24 | 株式会社東芝 | 無線通信装置 |
| CN1835493A (zh) * | 2006-04-18 | 2006-09-20 | 杭州电子科技大学 | 获得正交频分复用信号定时同步的方法 |
| JP4983365B2 (ja) * | 2006-05-16 | 2012-07-25 | ソニー株式会社 | 無線通信装置 |
| CN101079688B (zh) * | 2006-05-23 | 2010-09-01 | 中兴通讯股份有限公司 | 一种正交频分复用系统中实现同步的方法 |
| KR101176624B1 (ko) * | 2007-06-04 | 2012-08-23 | 노키아 코포레이션 | 전송 시스템을 통해 데이터를 스케줄링 및 전송하기 위한 시스템 및 방법 |
| US8208522B2 (en) * | 2008-03-07 | 2012-06-26 | Nokia Corporation | System and methods for receiving OFDM symbols having timing and frequency offsets |
| JP5347792B2 (ja) * | 2009-07-16 | 2013-11-20 | ソニー株式会社 | 信号処理装置、信号処理方法、及び、受信システム |
-
2009
- 2009-07-24 JP JP2009173591A patent/JP5267874B2/ja not_active Expired - Fee Related
-
2010
- 2010-07-09 EP EP10168996.6A patent/EP2278768A3/en not_active Withdrawn
- 2010-07-09 TW TW099122672A patent/TWI410071B/zh not_active IP Right Cessation
- 2010-07-15 RU RU2010129532/07A patent/RU2549205C2/ru not_active IP Right Cessation
- 2010-07-15 US US12/836,893 patent/US8374264B2/en not_active Expired - Fee Related
- 2010-07-16 BR BRPI1004961-4A patent/BRPI1004961A2/pt not_active Application Discontinuation
- 2010-07-19 CN CN2010102334314A patent/CN101964772B/zh not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1480401A2 (en) * | 2003-05-20 | 2004-11-24 | Samsung Electronics Co., Ltd. | Frequency-offset estimator for multi-carrier reception |
| US20050036564A1 (en) * | 2003-08-14 | 2005-02-17 | Stefan Peter | Method for processing an OFDM signal |
| EP1672909A2 (en) * | 2004-12-17 | 2006-06-21 | LG Electronics Inc. | Apparatus for synchronization acquisition in digital receiver and method thereof |
| WO2008142419A1 (en) * | 2007-05-23 | 2008-11-27 | British Broadcasting Corporation | Ofdm-mimo radio frequency transmission system |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2011029921A (ja) | 2011-02-10 |
| EP2278768A2 (en) | 2011-01-26 |
| CN101964772B (zh) | 2013-10-23 |
| RU2549205C2 (ru) | 2015-04-20 |
| JP5267874B2 (ja) | 2013-08-21 |
| BRPI1004961A2 (pt) | 2015-03-17 |
| US8374264B2 (en) | 2013-02-12 |
| CN101964772A (zh) | 2011-02-02 |
| US20110019782A1 (en) | 2011-01-27 |
| EP2278768A3 (en) | 2016-03-02 |
| TW201119273A (en) | 2011-06-01 |
| RU2010129532A (ru) | 2012-01-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Annulment or lapse of patent due to non-payment of fees |