A QoS-Aware Adaptive Multipath Routing Protocol in Ad Hoc Networks
Yong Liu · Chinese Journal of Computers · 2006
Based on QoS framework-SWAN, A Gateway-Centric Adaptive QoS-aware Multipath Routing protocol(GC-AQMR) is presented. It can ensure that each mobile node has a set of link-disjoint and loop-free routing to the gateway. Moreover, the intermediate node in the path also has the multipath information to the gateway. When the intermediate node experiences the congestion or link-break, it can switch adaptively to an alternate path with the additional path information. Simulations have shown that the SWAN system adopting GC-AQMR outperforms the SWAN with AODV protocol on all the performance metrics: Packet delivery ratio, average end-to-end delay/throughput and the fairness among real-time flows.