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Performance comparison of various Burst Time Plan generation methods in broadband satellite multimedia system

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4 Author(s)
Feng Shaodong ; Inst. of Commun. Eng., PLA Univ. of Sci. & Technol., Nanjing, China ; Jiang Yong ; Zhang Gengxin ; Li Guangxia

Traditionally the Burst Time Plan (BTP) is always generated periodically in broadband satellite multimedia (BSM) system. Based on the analysis we find that periodical BTP generation (P-BTPG) method can not guarantee the delay performance and channel utilization efficiency simultaneously especially when the capacity requests arrived randomly. The optimized BTP generation (O-BTPG) method is given based on the optimal schedule period and schedule latency without considering the signaling overhead. Finally a novel asynchronous BTP generation (A-BTPG) method is proposed which is invoked according to users' requests. These three BTP generation methods are compared in a BSM system application scenario. The simulation verified our analysis. Simulation results show that A-BTPG can have a better delay performance than P-BTPG while guaranteeing overhead low. This method can be used in the ATM onboard switching satellite system and further more can be expended to digital video broadcasting-return channel satellite (DVB-RCS) system or IP onboard routing BSM system in the future.

Published in:

Wireless Communications and Signal Processing (WCSP), 2010 International Conference on

Date of Conference:

21-23 Oct. 2010

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