Improvement of DS Simple Reception System for Advance of Duty Rate on Meteor Burst Transmission Path 


Vol. 30,  No. 11, pp. 1073-1080, Nov.  2005


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  Abstract

In spite of many advantages of Meteor Burst Communications(MBC) on its transmission channel, the fact that its duty rate is less than 10 percents is a considerable deficiency of MBC. To overcome with this deficiency without paying large cost, we use a direct sequence(DS) simple reception system. This method doesn't need to add the components for acquisition or tracking the signal so that it keeps the cost efficiency of the MBC. But it has a disadvantage that its duty rate shows a large decline by noise. For this problem, we adopt the proposed system applying a positive feedback circuit.
The improvement by this method is more significant when the received signal is weak. Simulation results show as t1 is 100㎳, then the burst length would be increased by 35% when the initial value of the received signal power increases by 3 ㏈, t2 is 135㎳. If the power increases by 6㏈ the burst length would be 170㎳ thus increased by 70%, which shows a great enhancement. Suppose now that t1 is 50㎳ and the power is increased by 3㏈, then t2 would be increased by 70% to 85㎳, and increasing the power by 6㏈ it would be increased by 130% to 115㎳.

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  Cite this article

[IEEE Style]

H. Kwon, "Improvement of DS Simple Reception System for Advance of Duty Rate on Meteor Burst Transmission Path," The Journal of Korean Institute of Communications and Information Sciences, vol. 30, no. 11, pp. 1073-1080, 2005. DOI: .

[ACM Style]

Hyeog-Soong Kwon. 2005. Improvement of DS Simple Reception System for Advance of Duty Rate on Meteor Burst Transmission Path. The Journal of Korean Institute of Communications and Information Sciences, 30, 11, (2005), 1073-1080. DOI: .

[KICS Style]

Hyeog-Soong Kwon, "Improvement of DS Simple Reception System for Advance of Duty Rate on Meteor Burst Transmission Path," The Journal of Korean Institute of Communications and Information Sciences, vol. 30, no. 11, pp. 1073-1080, 11. 2005.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880