Fountain Coded Streaming for SAGIN With Learning-Based Pause-and-Listen
Fountain Coded Streaming for SAGIN With Learning-Based Pause-and-Listen
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DOI：
10.1109/lnet.2022.3227541
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发表时间：
2023-03
期刊：
影响因子：
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通讯作者：
Ye Li;Ru Feng;Ruifeng Gao;Jue Wang
中科院分区：
文献类型：
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作者：
Ye Li;Ru Feng;Ruifeng Gao;Jue Wang
在长距离和有损耗的空间-空中-地面-集成网络（SAGIN）链路上的有效自适应比特率流传输（ABS）是重要的需求，其中喷泉传输是有吸引力的，因为它不需要反馈/重传。然而，由于停止消息的传播延迟，传统的喷泉方案可能浪费许多分组。这封信提出了一种新的喷泉编码ABS设计与暂停和监听的方法，跨ABS段，学习适当的暂停时间在一个在线的方式的基础上多臂强盗建模。使用现实生活中的实现的评估表明，该方案可以避免大多数数据包浪费，同时仍然保持喷泉传输的关键优势。
Efficient adaptive bitrate streaming (ABS) over long-distance and lossy space-air-ground-integrated network (SAGIN) links is an important demand, where fountain transmission is attractive as it does not require feedback/retransmissions. However, the conventional fountain scheme may waste many packets due to the propagation delay of stop messages. This letter proposes a novel fountain coded ABS design with a pause-and-listen approach which, across segments of ABS, learns proper pause time in an on-line manner based on multi-armed bandit modeling. Evaluation using a real-life implementation shows that the scheme can avoid most packet wastes while still maintaining the key benefits of the fountain transmission.