2 major factors that limit the throughput in multi-hop wireless networks are the unreliability of wireless transmissions and co-channel interference. One promising technique that combats lossy wireless transmissions is opportunistic routing (OR). OR involves multiple forwarding candidates to relay packets by making the most of the published nature and spacial diversity of the wireless medium. Furthermore, recent advances in multi-radio multi-channel transmission technology permits additional concurrent transmissions in the network, and shows the potential of substantially improving the system capability. However, the performance of OR in multi-radio multi-channel multi-hop networks is still unknown, and also the methodology of learning the performance of traditional routing (TR) can not be directly applied to OR. In this paper, we tend to gift our research on computing an end-to-finish throughput sure of OR in multi radio multi-channel multi-hop wireless networks. We formulate  the capacity of OR as a linear programming (LP) downside that jointly solves the radio-channel assignment and transmission scheduling. Leveraging our analytical model, we gain the following insights into OR: one) OR will achieve better performance than TR under completely different radio/channel configurations, but, in specific situations, TR is additional preferable than OR; two) OR can achieve comparable or even better performance than TR by using less radio resource; three) for OR, the throughput gained from increasing the quantity of potential forwarding candidates becomes marginal.

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