Novel Techniques for Analysis and Design of Cross-Layer Optimized Wireless Sensor Networks
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Citation: EURASIP Journal on Wireless Communications and Networking 2007 2007:031647
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Efficient MAC Protocols for Wireless Sensor Networks Endowed with Directive Antennas: A Cross-Layer Solution
This paper deals with a novel MAC layer protocol, namely, directive synchronous transmission asynchronous reception (D-STAR) able to space-time synchronize a wireless sensor network (WSN). To this end, D-STAR ...
Citation: EURASIP Journal on Wireless Communications and Networking 2007 2007:037910 -
Scalable Coverage Maintenance for Dense Wireless Sensor Networks
Owing to numerous potential applications, wireless sensor networks have been attracting significant research effort recently. The critical challenge that wireless sensor networks often face is to sustain long-...
Citation: EURASIP Journal on Wireless Communications and Networking 2007 2007:034758 -
Impact of Radio Link Unreliability on the Connectivity of Wireless Sensor Networks
Many works have been devoted to connectivity of ad hoc networks. This is an important feature for wireless sensor networks (WSNs) to provide the nodes with the capability of communicating with one or several sink...
Citation: EURASIP Journal on Wireless Communications and Networking 2007 2007:019196 -
HUMS: An Autonomous Moving Strategy for Mobile Sinks in Data-Gathering Sensor Networks
Sink mobility has attracted much research interest in recent years because it can improve network performance such as energy efficiency and throughput. An energy-unconscious moving strategy is potentially harm...
Citation: EURASIP Journal on Wireless Communications and Networking 2007 2007:064574 -
Distributed Time Synchronization in Wireless Sensor Networks with Coupled Discrete-Time Oscillators
In wireless sensor networks, distributed timing synchronization based on pulse-coupled oscillators at the physical layer is currently being investigated as an interesting alternative to packet synchronization....
Citation: EURASIP Journal on Wireless Communications and Networking 2007 2007:057054 -
Extending the Lifetime of Sensor Networks through Adaptive Reclustering
We analyze the lifetime of clustered sensor networks with decentralized binary detection under a physical layer quality-of-service (QoS) constraint, given by the maximum tolerable probability of decision error at...
Citation: EURASIP Journal on Wireless Communications and Networking 2007 2007:031809 -
An Energy-Efficient Framework for Multirate Query in Wireless Sensor Networks
Minimizing the communication overhead is always a hot topic in wireless sensor networks. In a multirate query system, data sources disseminate the data streams to users at the frequency they request. However, ...
Citation: EURASIP Journal on Wireless Communications and Networking 2007 2007:048984 -
Constructing Battery-Aware Virtual Backbones in Wireless Sensor Networks
A critical issue in battery-powered sensor networks is to construct energy efficient virtual backbones for network routing. Recent study in battery technology reveals that batteries tend to discharge more powe...
Citation: EURASIP Journal on Wireless Communications and Networking 2007 2007:040154 -
An Energy-Efficient Adaptive Modulation Suitable for Wireless Sensor Networks with SER and Throughput Constraints
We consider the problem of minimizing transmission energy in wireless sensor networks by taking into account that every sensor may require a different bit rate and reliability according to its particular appli...
Citation: EURASIP Journal on Wireless Communications and Networking 2007 2007:041401 -
On Traffic Load Distribution and Load Balancing in Dense Wireless Multihop Networks
We study the load balancing problem in a dense wireless multihop network, where a typical path consists of a large number of hops, that is, the spatial scales of a typical distance between source and destinati...
Citation: EURASIP Journal on Wireless Communications and Networking 2007 2007:016932 -
An Adaptive Time-Spread Multiple-Access Policy for Wireless Sensor Networks
Sensor networks require a simple and efficient medium access control policy achieving high system throughput with no or limited control overhead in order to increase the network lifetime by minimizing the energy ...
Citation: EURASIP Journal on Wireless Communications and Networking 2007 2007:064238