Mobility

Evaluating RaptorQ FEC Over 3GPP Multicast Services

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Executive Summary

Third Generation Partnership Project (3GPP) introduced Multimedia Broadcast/Multicast Services (MBMS), in order to efficiently deliver the same content to multiple users over mobile cellular networks. To enhance the download and streaming delivery robustness against packet losses, 3GPP proposes the use of Forward Error Correction (FEC) on the application layer. The Application Layer FEC (AL-FEC) scheme that 3GPP standardized is based on the systematic, fountain Raptor code. In this paper, in response to the emergence of an enhanced FEC scheme, the authors provide a performance evaluation of the existing standardized AL-FEC scheme with the newly introduced RaptorQ code.

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