The intra-node packet scheduling employs a multiple queuing architectures, and applies a scheduling scheme consisting of packet classification and weighted arbitration. ![]() Q-MAC contains both intra- and inter- node arbitration mechanisms. The priority levels reflect the state of system resources including residual energy and queue occupancies. In this thesis, a MAC protocol has been proposed (referred to as Q-MAC) that not only minimized the energy consumption in multi-hop WSNs, but also provides Quality of Service (QoS) by differentiating network services based on priority levels prescribed by different applications. ![]() However, most existing protocols address only the issue of energy efficiency. The characteristics of the WSN inquire that the network service design considers both energy efficiency and the associated application requirement. This thesis work focuses on innovative design of media access control (MAC) protocols in wireless sensor networks (WNSs).
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