A memory cost improved bandwidth request algorithm in DVB-RCS

Jian He; Zulin Wang

doi:10.1117/12.773390

10 November 2007 A memory cost improved bandwidth request algorithm in DVB-RCS

Jian He, Zulin Wang

Proceedings Volume 6795, Second International Conference on Space Information Technology; 67950G (2007) https://doi.org/10.1117/12.773390
Event: Second International Conference on Spatial Information Technology, 2007, Wuhan, China

Abstract

The Bandwidth request algorithm which intervenes in the bandwidth-on-demand (BoD) access mechanism plays an important role in DVB-RCS satellite systems to optimize bandwidth utilization. In this paper, a memory cost improved bandwidth request algorithm (MCI-BRA) is proposed. The MCI-BRA deals mainly with the memory cost which is measured as the queue size at the terminal while offers a controllable trade-off between delay and efficiency. A traffic plane model for a satellite system using DVB-RCS is also described. Several assumptions are discussed, followed by detailed description of the MCI-BRA. Comparisons between the proposed algorithm and existing ones are also presented and analyzed. The simulating results show that MCI-BRA proposed in this work performs better than existing algorithms on controlling memory cost while handles the delay and efficiency issues as well as the existing ones.

Citation Download Citation

Jian He and Zulin Wang "A memory cost improved bandwidth request algorithm in DVB-RCS", Proc. SPIE 6795, Second International Conference on Space Information Technology, 67950G (10 November 2007); https://doi.org/10.1117/12.773390

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