Low Complexity Maximum Likelihood Estimation Of Time And Frequency Offset For DVB-T2

被引：0
|
作者：
Saad, Sherif M. [1 ]
Hamed, Hisham M. [1 ]
Shalash, Ahmed F. [1 ]
机构：
[1] Cairo Univ, Fac Engn, Ctr Wireless Studies, Giza, Egypt
来源：
2013 IEEE 11TH INTERNATIONAL NEW CIRCUITS AND SYSTEMS CONFERENCE (NEWCAS) | 2013年
关键词：
maximum likelihood; synchronization; Digital video broadcasting; TIMING RECOVERY; SYNCHRONIZATION; TRANSMISSION; SYMBOL;
D O I：
暂无
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
The Second generation Terrestrial Digital Video Broadcasting (DVB-T2) standard provides a specific symbol, called P1 symbol, in order to facilitate initial time and frequency synchronisation by identifying the correct start of the frame. Several schemes, exploiting this symbol, have been devised to perform this particular function. In this paper, a modified maximum likelihood estimation for the time and frequency offset is derived to significantly reduce the complexity of the maximum likelihood algorithm, without sacrificing performance. The proposed scheme is robust against continuous wave (CW) interference. Moreover, post FFT time synchronisation is no longer required.
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页数：4
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