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A broadcast congestion control scheme for OBP satellites *

机译：OBP卫星的广播拥塞控制方案*

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摘要

In the satellites with on board processing, congestion can occur as a result of statistical multiplexing on board the satellite. This would have negative impact on performance and satellite resource utilization. Effective congestion control schemes are required in order to prevent or limit the extent of congestion. The current paper concentrates on a novel scheme for con- gestion avoidance in multiple-beam satellites with on board switching. The scheme is rate-based and relies on the broad- cast nature of the satellite in order to provide efficient support for Available Bit Rate (ABR) services. An important element in achieving efficiency is the synergy obtained by combin- ing the congestion control with the mechanisms of the MAC layer scheduling. The new scheme has a distributed architec- ture, with algorithms implemented on board the satellite and in the ground terminals. After a detailed description of the scheme, simulation results are provided in order to illustrate its performance.
机译：在具有机载处理的卫星中，由于卫星上的统计复用，可能会发生拥塞。这将对性能和卫星资源利用产生负面影响。为了防止或限制拥塞的程度，需要有效的拥塞控制方案。当前的论文集中在一种新颖的方案，该方案通过板载切换避免多波束卫星的拥塞。该方案基于速率，并且依赖于卫星的广泛广播特性，以便为可用比特率（ABR）服务提供有效支持。实现效率的一个重要因素是将拥塞控制与MAC层调度机制相结合所获得的协同作用。新方案具有分布式架构，并在卫星上和地面终端中实施了算法。在对该方案进行详细描述之后，提供了仿真结果以说明其性能。

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