Abstract
QoS routing is the key to support multimedia services in mobile ad hoc networks (MANETs). It is known that resource reservation is one of the best technique to guarantee QoS in MANETs. Lots of the reservation-based QoS routing protocols have been proposed before. However, the effective bandwidth calculation problem and the bandwidth reservation problem have not been addressed seriously. Here, we proposed an on-demand bandwidth reservation QoS routing protocol for TDMA-based multihop MANETs. We propose an algorithm to guide the destination to choose the route that is most likely to satisfy the QoS requirement and an algorithm to reserve the proper time slot and thus keeps more free time slots for other requests. Simulation results show that our protocol can achieve high route establishment probability and low packet loss rate.
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