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In order to guarantee the QoS for multimedia data transmission over wireless ad hoc network, the data flow entering the node was regulated by leaky bucket, and the node provided rate-latency service for the flow. We had derived the end-to-end upper jitter bound for wireless ad hoc network based on the existing link throughput model using network calculus theory, for grid network topologies, all simulated...
In this paper we explore the design of multi-modal MAC for wireless ad hoc and sensor networks that dynamically adapt its behavior in order to minimize the energy to delivery ratio under a wide variety of network loads. The prime motivation is to balance the inherent trade-off between the energy wasted in collisions and the energy expended by collision avoidance handshake mechanisms. Towards this...
In a distributed multihop mesh/relay network (e.g., wireless ad hoc/sensor network, cellular multihop network), each node acts as a relay node to forward data packets from other nodes. These nodes are often energy-limited and also have limited buffer space. Therefore, efficient power saving mechanisms (e.g., sleeping mechanisms) are required so that the lifetime of these nodes can be extended while...
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