Abstract
As ad hoc wireless networks provide less stable communication for mobile nodes than infrastructure wireless networks, several multipath routing protocols are proposed to improve the throughput and stability of ad hoc wireless networks. When using multipath routing protocols, a sender node adopts multiple disjoined routing paths for data transmission. To minimize the path cost, paths with smaller hopcounts are preferred; for the most part, paths with nearer position and high interference are adopted. As a result, the expected goals of using multipath routing protocols are unable to be attained. To overcome the situation above, this paper brings up an interference-aware multipath routing protocol for QoS-constraint multimedia and real-time applications in ad hoc wireless networks. The proposed protocol can reduce the call dropping rate and improve the QoS stability with its effective bandwidth pre-evaluation and interference susceptibility; the simulation results also show that the proposed protocol has good performance.
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