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The medium access control (MAC) protocol defined in IEEE 802.15.4 standard is being considered as a promising technology for low-cost and low power wireless sensor networks (WSNs). In fact, the current IEEE 802.15.4 specifications don't avoid hidden node problem (HNP). In this paper, proposed scheme is dynamic group allocation scheme for avoiding HNP Based on grouping strategy for solving hidden node...
In this paper, we show the enhanced version of SLPv2 (Service Location Protocol version 2). It is one of the service discovery protocols in wired network, and we propose the wireless network based SLP for WSN (wireless sensor network). If a wired protocol is transferred to the wireless domain, then we have to consider some critical problems, like resource and power wall, etc. So SLP for the WSN must...
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