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Performance Analysis of Satellite Communication System for Multimedia Services with Full Connectivity  

Teng, Yue (명지대학교 통신공학과)
Kim, Doug-Nyum (명지대학교 통신공학과)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.30, no.11A, 2005 , pp. 1035-1046 More about this Journal
Abstract
This paper analyzes the channel assignment techniques and their performance in the On Board Processing (OBP) satellite communication system. It suggests the new Continuous Rate Assignment (CRA) and Dynamic Rare Assignment (DRA) for improving the efficiency of channel assignment at the OBP switch. Mathematical analysis and simulation are given to evaluate the system performance. Aggregate real-time and non-real-time services are considered as different classes. Higher priority is given to voice and video real-time services to avoid delay variation. Onboard scheduler uses CRA and DRA ways to arrange the capacity allocation dynamically. An improved algorithm is given to make the channel more efficient by doing some evaluation of the switching matrix.
Keywords
full connectivity; onboard switch, priority; Continuous Rate Assignment (CRA); Dynamic Rate Assignment (DRA);
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