Design of an OFDM system with long frame by the decision-aided channel tracking technique

Zong Sian Lin, Tze Lun Hong, Dah Chung Chang

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

9 Scopus citations

Abstract

An OFDM system with the decision-aided channel tracking technique for a long frame application is proposed. The OFDM system in wireless LAN applications assumes static channel response in a short frame and it is enough to use two long training symbols for channel estimation. We build a wireless surveillance system which may transmit data symbols in a seamless manner. The channel estimation with the symbol-by-symbol tracking is then required. We show that the proposed channel tracking method outperforms the channel estimation by only preamble in static and time-varying channels. The channel tracking module adds about 18% circuits to the whole system in our design.

Original languageEnglish
Title of host publication2006 IEEE International Conference on Electro Information Technology
Pages330-333
Number of pages4
DOIs
StatePublished - 2006
Event2006 IEEE International Conference on Electro Information Technology - East Lansing, MI, United States
Duration: 7 May 200610 May 2006

Publication series

Name2006 IEEE International Conference on Electro Information Technology

Conference

Conference2006 IEEE International Conference on Electro Information Technology
Country/TerritoryUnited States
CityEast Lansing, MI
Period7/05/0610/05/06

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