Efficient Multihop Routing for Wireless Sensor Networks

Provided by: International Journals of Advanced Information Science and Technology (IJAIST)
Topic: Networking
Format: PDF
Main aim is to support Quality of Service (QoS) at Medium Access Control (MAC) for Wireless Sensor Networks (WSNs). This protocol is a combination of contention based and Time Division Multiple Access (TDMA) based MAC protocol. A novel channel-reservation technique is used to reduce the end-to-end latency. Is chosen HMAC protocol with an embedded cross-layer optimization solution to provide routing-layer coarse -grained end-to-end QoS support for latency-sensitive traffic flows. Channel-reservation technique is used for significantly reducing the end-to-end delay for delay-sensitive traffic flows by allowing packets to go through multiple hops within a single Medium-Access Control (MAC) frame and by also giving them higher priority channel access to reduce possible queuing delay.

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