SwePub - sökning: WFRF:(Behravesh Rasaoul)

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1.	Behravesh, Rasaoul, et al. (författare) Machine Learning at the Mobile Edge : The Case of Dynamic Adaptive Streaming over HTTP (DASH) 2022 Ingår i: IEEE Transactions on Network and Service Management. - : Institute of Electrical and Electronics Engineers Inc.. - 1932-4537. ; 19:4, s. 4779-4793 Tidskriftsartikel (refereegranskat)abstract Dynamic Adaptive Streaming over HTTP (DASH) is a standard for delivering video in segments and adapting each segment’s bitrate (quality), to adjust to changing and limited network bandwidth. We study segment prefetching, informed by machine learning predictions of bitrates of client segment requests, implemented at the network edge. We formulate this client segment request prediction problem as a supervised learning problem of predicting the bitrate of a client’s next segment request, in order to prefetch it at the mobile edge, with the objective of jointly improving the video streaming experience for the users and network bandwidth utilization for the service provider. The results of extensive evaluations showed a segment request prediction accuracy of close to 90% and reduced video segment access delay with a cache hit ratio of 58%, and reduced transport network load by lowering the backhaul link utilization by 60.91%.

Behravesh, Rasaoul, et al. (författare)
Machine Learning at the Mobile Edge : The Case of Dynamic Adaptive Streaming over HTTP (DASH)
2022
Ingår i: IEEE Transactions on Network and Service Management. - : Institute of Electrical and Electronics Engineers Inc.. - 1932-4537. ; 19:4, s. 4779-4793
Tidskriftsartikel (refereegranskat)abstract
- Dynamic Adaptive Streaming over HTTP (DASH) is a standard for delivering video in segments and adapting each segment’s bitrate (quality), to adjust to changing and limited network bandwidth. We study segment prefetching, informed by machine learning predictions of bitrates of client segment requests, implemented at the network edge. We formulate this client segment request prediction problem as a supervised learning problem of predicting the bitrate of a client’s next segment request, in order to prefetch it at the mobile edge, with the objective of jointly improving the video streaming experience for the users and network bandwidth utilization for the service provider. The results of extensive evaluations showed a segment request prediction accuracy of close to 90% and reduced video segment access delay with a cache hit ratio of 58%, and reduced transport network load by lowering the backhaul link utilization by 60.91%.

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