TheinLai Wong

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This paper proposes a self-organizing technique for enhancing the coverage of wireless micro-sensor networks after an initial random placement of sensors. A randomized back-off delay time is introduced to resolve the problem of simultaneous movement of sensors in the neighborhood which leads to unnecessary excessive movement and hence consume more sensors'(More)
This letter proposes a broadcast scheme for use in ad hoc networks using variable-range transmission power. Preserving energy and ensuring a high delivery ratio of broadcast packets are crucial tasks for broadcasting in ad hoc networks. Using individual broadcast relaying nodes to dynamically vary the transmission range can help saving power and reduce(More)
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