A high-throughput path metric for multi-hop wireless routing
Proceedings of the 9th annual international conference on Mobile computing and networking
Maximum lifetime routing in wireless sensor networks
IEEE/ACM Transactions on Networking (TON)
Medium access control in wireless sensor networks
Computer Networks: The International Journal of Computer and Telecommunications Networking
Joint duty cycle scheduling, resource allocation and multi-constrained QoS routing algorithm
ADHOC-NOW'11 Proceedings of the 10th international conference on Ad-hoc, mobile, and wireless networks
Application Oriented Multi Criteria Optimization in WSNs Using on AHP
Wireless Personal Communications: An International Journal
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Wireless sensor networks (WSNs) require energy-efficient protocols to improve the network lifetime. In this work, we adopt a cross-layer strategy that considers routing and MAC layers jointly. At the routing layer, we propose balancing the traffic through the WSN. We show that sending the traffic generated by each sensor node through multiple paths instead of using a single path allows significant energy conservation. On the other hand, at the MAC layer, we propose to control the retry limit of retransmissions over each wireless link. We show that by efficiently adjusting the retry limit for each link, further energy conservation can be achieved, improving thus the network lifetime. A new analytical model for the joint optimization system is complemented by simulations in order to quantitatively evaluate the benefits of our proposal.