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MBMS with User Cooperation and Network Coding

机译:具有用户合作和网络编码的MBMS

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摘要

In this paper user cooperation with network coding is applied to MBMS (Multimedia broadcast/multicast service) where Raptor codes are currently used. User cooperation together with network coding is used to save bandwidth and improve user perceived QoS for broadcast/multicast services in the future mobile communication networks. The proposed approach is tailored to LTE networks and extended with local cooperation. The simulation results show that local retransmissions can reduce the amount of redundant information on the cellular link with up to $80$% as long as there are at least two cooperative mobile devices. The results also show that network coding can save more than half of the traffic on the short-range link as long as there are four devices in the cooperation cluster.
机译:在本文中,将与网络编码的用户合作应用于当前使用Raptor码的MBMS(多媒体广播/多播服务)。用户合作以及网络编码可用于节省带宽,并改善未来移动通信网络中广播/多播服务的用户感知QoS。拟议的方法针对LTE网络量身定制,并通过本地合作进行扩展。仿真结果表明,只要有至少两个协作移动设备,本地重传就可以减少蜂窝链路上的冗余信息量,最高可达$ 80 $%。结果还表明,只要协作集群中有四个设备,网络编码就可以节省近距离链路上一半以上的流量。

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