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An Efficient Multi Channel Query Scheduling In Wireless Sensor Networks




Vol. 14  No. 2  pp. 71-77


In order to achieve high performance query services in wireless sensor networks, MDCQS (Mobile lightweight medium access control based Dynamic Conflict-free Query scheduling) a novel TDMA based MAC protocol used for dynamic conflict free scheduling with high query rate. Earlier this technique is used to achieve high data rate. By integrating MLMAC with DCQS makes the best use of the query performance through dynamic conflict-free transmission scheduling based on queries relating to time in wireless sensor networks. Then MLMAC accommodate to high workload without changing the transmission schedule. NS2 simulations demonstrate that MDCQS significantly outperforms a representative DCQS protocol in terms of query latency and throughput.


DCQS, MLMAC, sensor networks, Query scheduling.