Real-Time Video Streaming in Multi-hop Wireless Static Ad Hoc Networks

Details Real-Time Video Streaming in Multi-hop Wireless Static Ad Hoc Networks Real-Time Video Streaming in Multi-hop Wireless Static Ad Hoc Networks

2011-04-05

arxiv.org/abs/1104.0779v4

Computer Science

Networking and Internet Architecture

Scientific paper

We deal with the problem of streaming multiple video streams between pairs of nodes in a multi-hop wireless ad hoc network. The nodes are static, know their locations, and are synchronized (via GPS). We introduce a new interference model that uses variable interference radiuses. We present an algorithm for computing a frequency assignment and a schedule whose goal is to maximize throughput over all the video streams. In addition, we developed a localized flow-control mechanism to stabilize the queue lengths. We simulated traffic scheduled by the algorithm using OMNET++/MixiM (i.e., physical SINR interference model with 802.11g) to test whether the computed throughput is achieved. The results of the simulation show that the computed solution is \SINR-feasible and achieves predictable stable throughputs.

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