CN101640659B - 处理通信信号的方法和系统 - Google Patents
处理通信信号的方法和系统 Download PDFInfo
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- CN101640659B CN101640659B CN2009101641721A CN200910164172A CN101640659B CN 101640659 B CN101640659 B CN 101640659B CN 2009101641721 A CN2009101641721 A CN 2009101641721A CN 200910164172 A CN200910164172 A CN 200910164172A CN 101640659 B CN101640659 B CN 101640659B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
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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
- H04L27/2662—Symbol synchronisation
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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
-
- 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
- H04L27/2663—Coarse synchronisation, e.g. by correlation
-
- 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
- H04L27/2666—Acquisition of further OFDM parameters, e.g. bandwidth, subcarrier spacing, or guard interval length
-
- 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
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/0054—Detection of the synchronisation error by features other than the received signal transition
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Abstract
Description
Claims (8)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/184,383 US8174958B2 (en) | 2008-08-01 | 2008-08-01 | Method and system for a reference signal (RS) timing loop for OFDM symbol synchronization and tracking |
US12/184,383 | 2008-08-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101640659A CN101640659A (zh) | 2010-02-03 |
CN101640659B true CN101640659B (zh) | 2012-12-12 |
Family
ID=41263700
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2009101641721A Active CN101640659B (zh) | 2008-08-01 | 2009-08-03 | 处理通信信号的方法和系统 |
Country Status (6)
Country | Link |
---|---|
US (3) | US8174958B2 (zh) |
EP (1) | EP2150012B1 (zh) |
KR (1) | KR101165266B1 (zh) |
CN (1) | CN101640659B (zh) |
HK (1) | HK1138691A1 (zh) |
TW (1) | TWI416915B (zh) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US9094906B2 (en) * | 2011-11-11 | 2015-07-28 | Telefonaktiebolaget Lm Ericsson (Publ) | Multi-stage timing and frequency synchronization |
KR101903375B1 (ko) | 2012-12-13 | 2018-11-07 | 삼성전자주식회사 | 복수의 수신 안테나들을 포함하는 통신 시스템 및 그 통신 시스템의 타임 트래킹 방법 |
US20150318982A1 (en) | 2014-05-05 | 2015-11-05 | Andrew M. Kowalevicz | Method and system for non-persistent communication |
KR102332471B1 (ko) | 2015-05-08 | 2021-11-30 | 삼성전자주식회사 | 동기 신호 검출을 위한 장치 및 방법 |
CN110115007B (zh) * | 2016-09-29 | 2022-01-04 | 夏普株式会社 | 终端装置、基站装置、通信方法以及集成电路 |
KR102420816B1 (ko) | 2018-04-05 | 2022-07-14 | 삼성전자 주식회사 | 무선 통신 시스템에서 데이터 복호 방법 및 장치 |
EP3748512B1 (en) * | 2019-06-06 | 2023-08-02 | Infineon Technologies AG | Method for a slave device for calibrating its output timing, method for a master device for enabling a slave device to calibrate its output timing, master device and slave device |
EP4364477A1 (en) * | 2021-06-30 | 2024-05-08 | Telefonaktiebolaget LM Ericsson (publ) | Purpose-dependent determination of start of receiver symbol processing window |
Citations (2)
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CN1531230A (zh) * | 2003-03-14 | 2004-09-22 | 北京泰美世纪科技有限公司 | 基于ofdm的广播系统中频率跳变的连续导频的数据传输方法 |
CN1553621A (zh) * | 2003-05-30 | 2004-12-08 | 电子科技大学 | 一种基于时间频率同步训练序列的导引方案 |
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US20010055320A1 (en) * | 1994-12-15 | 2001-12-27 | Pierzga Wayne Francis | Multiplex communication |
AU740804B2 (en) * | 1999-07-19 | 2001-11-15 | Nippon Telegraph & Telephone Corporation | OFDM packet communication receiver system |
CN1758619A (zh) * | 1999-10-22 | 2006-04-12 | 耐克斯特奈特无线公司 | 利用具有内部天线的cpe的固定ofdm无线大城市区通信网 |
US7058140B2 (en) * | 2000-06-16 | 2006-06-06 | Smart Kevin J | Sliding-window multi-carrier frequency division multiplexing system |
KR100666691B1 (ko) * | 2000-12-06 | 2007-01-11 | 삼성전자주식회사 | 오에프디엠 신호의 수신 장치 및 채널 추정을 통한 신호복원 방법 |
US7012881B2 (en) * | 2000-12-29 | 2006-03-14 | Samsung Electronic Co., Ltd. | Timing and frequency offset estimation scheme for OFDM systems by using an analytic tone |
US7158474B1 (en) * | 2001-02-21 | 2007-01-02 | At&T Corp. | Interference suppressing OFDM system for wireless communications |
US7248652B2 (en) * | 2001-02-28 | 2007-07-24 | Agere Systems Inc. | Method and apparatus for recovering timing information in orthogonal frequency division multiplexing (OFDM) systems |
US7218691B1 (en) * | 2001-03-05 | 2007-05-15 | Marvell International Ltd. | Method and apparatus for estimation of orthogonal frequency division multiplexing symbol timing and carrier frequency offset |
US7020218B2 (en) * | 2001-06-18 | 2006-03-28 | Arnesen David M | Sliding-window transform with integrated windowing |
GB2376855A (en) * | 2001-06-20 | 2002-12-24 | Sony Uk Ltd | Determining symbol synchronisation in an OFDM receiver in response to one of two impulse response estimates |
US7103116B2 (en) * | 2001-09-24 | 2006-09-05 | Atheros Communications, Inc. | Detection of a false detection of a communication packet |
GB2395094A (en) * | 2002-10-28 | 2004-05-12 | Sony Uk Ltd | Determining a symbol synch time in an OFDM receiver |
JP2004214962A (ja) * | 2002-12-27 | 2004-07-29 | Sony Corp | Ofdm復調装置 |
JP2004214963A (ja) * | 2002-12-27 | 2004-07-29 | Sony Corp | Ofdm復調装置 |
CN100576834C (zh) * | 2003-03-28 | 2009-12-30 | 英特尔公司 | 用于ofdm符号定时同步的方法和装置 |
US7251283B2 (en) * | 2003-10-20 | 2007-07-31 | Mediatek, Inc. | Timing offset compensation in orthogonal frequency division multiplexing systems |
GB2412551A (en) * | 2004-03-26 | 2005-09-28 | Sony Uk Ltd | Receiver |
KR100688118B1 (ko) * | 2004-04-23 | 2007-02-28 | 삼성전자주식회사 | 직교 주파수 분할 다중 통신 시스템에서 피크 전력 대평균 전력비를 감소시키기 위한 장치 및 방법 |
US7457231B2 (en) * | 2004-05-04 | 2008-11-25 | Qualcomm Incorporated | Staggered pilot transmission for channel estimation and time tracking |
EP1754355A1 (en) * | 2004-06-08 | 2007-02-21 | Sandbridge Technologies, Inc. | Orthogonal frequency division multiplexing receiver |
US20050286485A1 (en) * | 2004-06-23 | 2005-12-29 | Golden Stuart A | Fast and robust timing acquisition algorithm |
US8175123B2 (en) * | 2005-03-10 | 2012-05-08 | Qualcomm Incorporated | Collection window positioning using time tracking information |
US20060221810A1 (en) * | 2005-03-10 | 2006-10-05 | Bojan Vrcelj | Fine timing acquisition |
US7539125B2 (en) * | 2005-10-14 | 2009-05-26 | Via Technologies, Inc. | Method and circuit for frequency offset estimation in frequency domain in the orthogonal frequency division multiplexing baseband receiver for IEEE 802.11A/G wireless LAN standard |
US7532676B2 (en) * | 2005-10-20 | 2009-05-12 | Trellis Phase Communications, Lp | Single sideband and quadrature multiplexed continuous phase modulation |
WO2007069199A2 (en) * | 2005-12-16 | 2007-06-21 | Nxp B.V. | Method and a system for estimating a symbol time error in a broadband transmission system |
JP2007258819A (ja) * | 2006-03-20 | 2007-10-04 | Casio Comput Co Ltd | Ofdm受信装置、ofdm受信方法及び地上波デジタル受信装置 |
WO2008020360A1 (en) * | 2006-08-18 | 2008-02-21 | Nxp B.V. | Time error estimation for data symbols |
JP4769162B2 (ja) * | 2006-10-13 | 2011-09-07 | ニスカ株式会社 | シート集積装置及びこれを備えた画像形成装置 |
US8942150B2 (en) * | 2007-03-19 | 2015-01-27 | Qualcomm Incorporated | Uplink timing control |
US8169992B2 (en) * | 2007-08-08 | 2012-05-01 | Telefonaktiebolaget Lm Ericsson (Publ) | Uplink scrambling during random access |
US20090059782A1 (en) * | 2007-08-29 | 2009-03-05 | Rgb Systems, Inc. | Method and apparatus for extending the transmission capability of twisted pair communication systems |
US8774103B2 (en) * | 2008-03-26 | 2014-07-08 | Broadcom Corporation | Selecting uplink sounding sub-carriers |
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 |
US8559296B2 (en) * | 2008-08-01 | 2013-10-15 | Broadcom Corporation | Method and system for an OFDM joint timing and frequency tracking system |
-
2008
- 2008-08-01 US US12/184,383 patent/US8174958B2/en active Active
-
2009
- 2009-07-20 EP EP09009389.9A patent/EP2150012B1/en active Active
- 2009-07-31 TW TW098125935A patent/TWI416915B/zh active
- 2009-07-31 KR KR1020090070882A patent/KR101165266B1/ko not_active IP Right Cessation
- 2009-08-03 CN CN2009101641721A patent/CN101640659B/zh active Active
-
2010
- 2010-04-23 HK HK10104011.5A patent/HK1138691A1/xx not_active IP Right Cessation
-
2012
- 2012-05-07 US US13/465,451 patent/US8498197B2/en active Active
-
2013
- 2013-06-18 US US13/920,947 patent/US8824269B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1531230A (zh) * | 2003-03-14 | 2004-09-22 | 北京泰美世纪科技有限公司 | 基于ofdm的广播系统中频率跳变的连续导频的数据传输方法 |
CN1553621A (zh) * | 2003-05-30 | 2004-12-08 | 电子科技大学 | 一种基于时间频率同步训练序列的导引方案 |
Also Published As
Publication number | Publication date |
---|---|
KR101165266B1 (ko) | 2012-07-19 |
TWI416915B (zh) | 2013-11-21 |
US8498197B2 (en) | 2013-07-30 |
KR20100014196A (ko) | 2010-02-10 |
US8824269B2 (en) | 2014-09-02 |
US20100027499A1 (en) | 2010-02-04 |
EP2150012A2 (en) | 2010-02-03 |
US8174958B2 (en) | 2012-05-08 |
CN101640659A (zh) | 2010-02-03 |
EP2150012B1 (en) | 2015-11-04 |
US20120275552A1 (en) | 2012-11-01 |
EP2150012A3 (en) | 2012-05-23 |
HK1138691A1 (en) | 2010-08-27 |
TW201021483A (en) | 2010-06-01 |
US20130279637A1 (en) | 2013-10-24 |
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Effective date of registration: 20180502 Address after: Singapore Singapore Patentee after: Avago Technologies Fiber IP Singapore Pte. Ltd. Address before: Park Road, Irvine, California, USA, 16215, 92618-7013 Patentee before: Zyray Wireless Inc. |
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