INFORMATION CHANGE THE WORLD

International Journal of Information Engineering and Electronic Business(IJIEEB)

ISSN: 2074-9023 (Print), ISSN: 2074-9031 (Online)

Published By: MECS Press

IJIEEB Vol.2, No.1, Nov. 2010

Echo Cancellation Research of Channel Estimation based on PN Sequence

Full Text (PDF, 411KB), PP.30-36


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Author(s)

Yongqin Zhou,Ming Ge,Shuzhi Ji

Index Terms

PN sequence,channel estimation,echo cancellation,correlation

Abstract

For the problem of estimation sequence effect on channel estimation accuracy and echo cancellation effect, this paper, based on the basic principle of echo cancellation, analyses the effect of PN sequence mechanism and the correlation on the channel estimation parameters. Comparing with using the input signal itself as the estimation sequence. With the input signal OFDM, the results of simulation and actual operation show that the method can increase both the accuracy of channel estimation and echo cancellation effect effectively.

Cite This Paper

Yongqin Zhou,Ming Ge,Shuzhi Ji,"Echo Cancellation Research of Channel Estimation based on PN Sequence", IJIEEB, vol.2, no.1, pp.30-36, 2010.

Reference

[1]Yongqin Zhou,Shuzhi Ji,Xudong Wang ,Ming Ge,Echo“Cancellation Technology based on PN Sequences”,25-26 Dec.2010

[2]Jin-kyu Hong, Young-woo Suh, Jin-yong Choi and Jong-Soo Seo, “Echo Canceller for On-Channel Repeaters in T-DMB System[J]”, Feb.17-20, 2008 ICACT 2008, pp1735-1738;

[3]Bowei Song,Lin Gui,Yunfeng Guan and Wenjun Zhang,”On Channel Estimation and Equalization in TDS-OFDM based Terrestrial HDTV Broadcasting System[J]”,IEEE Transactions on Consumer Electronics, Vol. 51, No. 3,AUGUST 2005, pp790-797;

[4]Xiaodong Wang.”OFDM and its application to 4G.International Conference on Wireless and Optical Communication,2005,4:69-74”.

[5]Haodong Bai,“estimation method of wireless channel for OFDM based on PN sequence” North China Electric Power University,a maser’s degree thesis,2008

[6]Lihui Wang, Feng Sun, Qiang Ji,Yanling Hao.“LMS adaptive filter’s algorithm applied in the data processing of FOG system” Systems and Engineering and Electronics,2010;

[7]Yuanjie Li, Lvxi Yang, Zhenya He.“Channel estimation and tracking based on implicit training sequence”Communications,2004;