CN101237248B - 在ofdm通信系统中用时域相关检测前标 - Google Patents
在ofdm通信系统中用时域相关检测前标 Download PDFInfo
- Publication number
- CN101237248B CN101237248B CN2007101300041A CN200710130004A CN101237248B CN 101237248 B CN101237248 B CN 101237248B CN 2007101300041 A CN2007101300041 A CN 2007101300041A CN 200710130004 A CN200710130004 A CN 200710130004A CN 101237248 B CN101237248 B CN 101237248B
- Authority
- CN
- China
- Prior art keywords
- sequence
- peak value
- signal
- ofdm
- main peak
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Synchronisation In Digital Transmission Systems (AREA)
Abstract
Description
Claims (4)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/550,403 US20080025420A1 (en) | 2006-07-25 | 2006-10-17 | Precursor detection using correlation in time-domain in an ofdm communications system |
US11/550403 | 2006-10-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101237248A CN101237248A (zh) | 2008-08-06 |
CN101237248B true CN101237248B (zh) | 2011-11-09 |
Family
ID=39920639
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2007101300041A Expired - Fee Related CN101237248B (zh) | 2006-10-17 | 2007-07-23 | 在ofdm通信系统中用时域相关检测前标 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN101237248B (zh) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1574818A (zh) * | 2003-06-18 | 2005-02-02 | 三星电子株式会社 | 时域同步正交频分复用接收装置及其校正方法 |
CN1787507A (zh) * | 2004-12-10 | 2006-06-14 | 清华大学 | 一种时域同步正交频分复用系统中的帧同步产生方法 |
US7072289B1 (en) * | 2001-06-01 | 2006-07-04 | Lin Yang | Pseudo-random sequence padding in an OFDM modulation system |
-
2007
- 2007-07-23 CN CN2007101300041A patent/CN101237248B/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7072289B1 (en) * | 2001-06-01 | 2006-07-04 | Lin Yang | Pseudo-random sequence padding in an OFDM modulation system |
CN1574818A (zh) * | 2003-06-18 | 2005-02-02 | 三星电子株式会社 | 时域同步正交频分复用接收装置及其校正方法 |
CN1787507A (zh) * | 2004-12-10 | 2006-06-14 | 清华大学 | 一种时域同步正交频分复用系统中的帧同步产生方法 |
Also Published As
Publication number | Publication date |
---|---|
CN101237248A (zh) | 2008-08-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US11394592B2 (en) | Transmitter and method of transmitting and receiver and method of detecting OFDM signals | |
US11075726B2 (en) | Transmitter and method of transmitting, receiver and method of receiving | |
JP6112439B2 (ja) | 送信機、ペイロードデータ送信方法、受信機、ペイロードデータ検出および再生方法、およびプログラム | |
US7724833B2 (en) | Receiver for an LDPC based TDS-OFDM communication system | |
JP6561226B2 (ja) | ペイロードデータおよび緊急情報を送信するための送信装置および送信方法 | |
US8428188B2 (en) | Carrier phase offset correction for a QAM system | |
CN101202729A (zh) | 基于ldpc码的tds-ofdm通信系统接收机 | |
JP4709738B2 (ja) | 受信装置 | |
WO2014155065A1 (en) | Transmitter and method of transmitting payload data, receiver and method of receiving payload data in an ofdm system | |
CN101299741A (zh) | 用于信道估计与信号均衡的方法与系统 | |
CN101286755B (zh) | 适用于tds-ofdm信号和tds单载波信号的统一接收机 | |
CN101237247B (zh) | 由符号对数似然比得到比特对数似然比的方法 | |
US20080025384A1 (en) | Method and apparatus for frequency domain exualization based upon a decision feedback in a tds-ofdm receiver | |
US9281987B2 (en) | Digital transmission apparatus and method and digital reception apparatus | |
CN101174917A (zh) | 采用改进llr更新方法来节省存储器的ldpc接收机 | |
CN101247378B (zh) | 高吞吐量的n点正向和反向快速傅立叶的方法和装置 | |
CN101237248B (zh) | 在ofdm通信系统中用时域相关检测前标 | |
CN101286968B (zh) | 信道估计方法 | |
CN101345730A (zh) | Tds-ofdm接收机中频域判决反馈均衡器的方法和装置 | |
CN101277291B (zh) | 低比特分辨率的混合最小和ldpc解码方法 | |
CN101286967A (zh) | 利用过采样率进行信道估计完成频域补偿的方法和设备 | |
CN101299740B (zh) | 一种信道内插的方法 | |
US20080025420A1 (en) | Precursor detection using correlation in time-domain in an ofdm communications system | |
CN101299734B (zh) | 一种信道均衡的方法 | |
US20080025377A1 (en) | Method and device for frequency domain compensation for channel estimation at an over sampling rate in a tds_ofdm receiver |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: QINGHUA UNIVERSITY Free format text: FORMER OWNER: LEGEND SILICON Effective date: 20081024 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20081024 Address after: The postcode of No. 1 Tsinghua Yuan, Beijing, Haidian District: 100084 Applicant after: Tsinghua University Address before: D, building 5, building 100084, enlightenment building, building 8, Zhongguancun East Road, No. 1, Beijing, Haidian District Applicant before: Legend Silicon |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111109 Termination date: 20160723 |
|
CF01 | Termination of patent right due to non-payment of annual fee |