Application-driven power management for mobile communication
Wireless Networks
Geography-informed energy conservation for Ad Hoc routing
Proceedings of the 7th annual international conference on Mobile computing and networking
Proceedings of the 7th annual international conference on Mobile computing and networking
Asynchronous wakeup for ad hoc networks
Proceedings of the 4th ACM international symposium on Mobile ad hoc networking & computing
Ad hoc routing for multilevel power save protocols
Ad Hoc Networks
Energy efficiency for rectangular ad-hoc wireless networks
Proceedings of the 2009 International Conference on Wireless Communications and Mobile Computing: Connecting the World Wirelessly
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An ad hoc network is a multi-hop wireless network that is established by a group of mobile nodes without depending on any infrastructure. Due to the disconnected nature of such mobile nodes, a fundamental problem in ad hoc networks is energy-efficient operation to extend the lifetime of the nodes and the network. A promising strategy is to reduce the power consumption of the wireless interface since it is a significant contributer to the overall energy consumption. Essentially, while traffic load defines energy consumption by the wireless interface during active communication [1, 2], idle-time energy dissipation dominates total system energy consumption in the presence of low to moderate traffic [3, 4]. To this end, current approaches allow nodes to switch to a power-save mode where they spend most of their time in a low-power sleep state. However, allowing all nodes to operate in power-save mode imposes additional delay on all communication and can severely limit the capacity of the network as load increases [4]. To compensate for these limitations, some nodes can stay in active mode and serve as stable relays in the network to support low delay and high throughput [3, 4, 5]. Since the choice of nodes that remain active determines both energy consumption and communication quality, the main challenge to any idle-time energy conservation protocol is selecting the set of active nodes through which all traffic flows.