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Novel Channel Allocation Algorithm Using Spectrum Control Technique for Effective Usage of both Satellite Transponder Bandwidth and Satellite Transmission Power
Katsuya NAKAHIRA Jun-ichi ABE Jun MASHINO Takatoshi SUGIYAMA
IEICE TRANSACTIONS on Communications
Publication Date: 2012/11/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Section on Satellite Communication Technologies in Conjunction with Main Topics of JC-SAT2011)
satellite communication, channel allocation, adaptive coding and modulation, multi-carrier transmission, single-carrier transmission, spectrum compression, spectrum division, DAMA,
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This paper proposes a new channel allocation algorithm for satellite communication systems. The algorithm is based on a spectrum division transmission technique as well as a spectrum compression transmission technique that we have developed in separate pieces of work. Using these techniques, the algorithm optimizes the spectrum bandwidth and a MODCOD (modulation and FEC error coding rate) scheme to balance the usable amount of satellite transponder bandwidth and satellite transmission power. Moreover, it determines the center frequency and bandwidth of each divided subspectra depending on the unused bandwidth of the satellite transponder bandwidth. As a result, the proposed algorithm enables flexible and effective usage of satellite resources (bandwidth and power) in channel allocations and thus enhances satellite communication (SATCOM) system capacity.