Onboard Direct Regeneration for Future Satellite Communications

Toshio MIZUNO  Takashi INOUE  

Publication
IEICE TRANSACTIONS on Communications   Vol.E76-B   No.5   pp.488-496
Publication Date: 1993/05/25
Online ISSN: 
DOI: 
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on Satellite Communications Networking and Applications)
Category: 
Keyword: 
onboard direct regeneration,  channel filtering,  increase in channel capacity,  small earth stations,  

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Summary: 
This paper addresses onboard processing architecture employing direct regeneration. The advantage of direct regeneration is its hardware simplicity, even though the bit error rate performance is slightly inferior to that of demodulation-remodulation scheme with coherent detection. The channel filtering schemes as well as achievable capacities are examined by computer simulation. It is found that the system with direct regeneration has advantage in channel capacity and transmit earth station e.i.r.p. for small earth stations. A possible configuration of direct regeneration onboard in future satellite systems is proposed.