Ad hoc QoS on-demand routing (AQOR) in mobile ad hoc networks

We introduce a resource reservation-based routing and signaling algorithm, Ad hoc Qos on-demand routing (AQOR), that provides end-to-end quality of service (QoS) support, in terms of bandwidth and end-to-end delay, in mobile ad hoc networks (MANETs). The increasing use of MANETs for transferring multimedia applications such as voice, video and data, leads to the need to provide QoS support. To perform accurate admission control and resource reservation in AQOR, we have developed detailed computations that allow us to estimate the available bandwidth and end-to-end delay in unsynchronized wireless environment. AQOR also includes efficient mechanisms for QoS maintenance, including temporary reservation and destination-initiated recovery processes. The performance of AQOR is studied in detail by simulation using OPNET Modeler. The results validate that AQOR provides QoS support in ad hoc wireless networks with high reliability and low overhead.

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