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Improvement of duty rate on Meteor Burst Communication using DS-SS system  

권혁숭 (밀양대학교 정보통신공학부)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.28, no.9A, 2003 , pp. 669-677 More about this Journal
Abstract
In spite of many advantages of Meteor Burst Communications(MBC) on its transmission channel, the fact that its duty rate is less than10 percents is a considerable deficiency of MBC. To overcome with this deficiency without paying large cost, we use a direct sequence(DS)-spread spectrum(SS) method applying a reference code to improve the duty rate on the transmission channel. This method doesn't need to add the components for acquisition or tracking the signal so that it keeps the cost efficiency the MBC has as well as improves the duty rate on the transmission channel. The improvement by this method is more significant when the received signal is weak. Simulation results show that if we increases the process gain (Gp) by 10 dB when the average burst length is 50ms, the burst length tends to be extended more than 220% of its average length, 160ms, and the frequency of generating this phenomenon increases 3.1 times more.
Keywords
Meteor Burst Communication(MBC); Direct Sequence Spread Spectrum Communication(DS/SS);
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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