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학술지 IEEE802.15.5 WPAN Mesh Standard-Low Rate Part
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이명종, Rui Zhang, Jian Liang Zheng, 안강섭, Chun Hui Zhu, 박태림, 조성래, 신창섭, 류준선
IEEE Journal on Selected Areas in Communications, v.28 no.7, pp.973-983
10MC4800, 초절전 센서네트워크 핵심기술개발, 표철식
This paper introduces a new IEEE standard, IEEE 802.15.5,which provides mesh capability for wireless personal area network (WPAN) devices. The standard provides an architectural framework enabling WPAN devices to promote interoperable, stable, and scalable wireless mesh topologies. It is composed of two parts: low-rate WPAN mesh and high-rate WPAN mesh. In this paper, we present only low-rate WPAN mesh because it is designed to support wireless sensor networks. IEEE 802.15.5 low-rate part is a light-weight scalable mesh routing protocol that caters well to the requirements of resource-constrained wireless sensor networks. By binding logical addresses to the network topology, IEEE 802.15.5 obviates the need for route discovery. This eliminates the initial route discovery latency, saves storage space and reduces the communication overhead and energy consumption. A distributed link state scheme is further built atop the block addressing scheme to improve the quality of routes, robustness, and load balancing. The routing scheme scales well with regard to various performance metrics. The standard also provides enhanced functions such as multicast, reliable broadcast, power saving, time synchronization, route tracing and portability. We also present the performance evaluation of major functions performed with a 50-nodes tested deployed over a whole floor (100 x 140 ft2) at CUNY Engineering building. The results testify that the IEEE 802.15.5 will serve well for wireless personal area networks and wireless sensor networks. © 2010 IEEE.
KSP 제안 키워드
Architectural framework, Communication overhead, Discovery latency, High rate, IEEE 802.1, Initial route, Link state, Load balancing, Low-rate, Mesh routing, Network topology