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Reliable Broadcast Scheme for IEEE 802.15.5 Low-Rate WPAN Mesh Networks
Woongsoo NA Gunwoo LEE Hyungchul BAE Jungsuk YU Sungrae CHO
IEICE TRANSACTIONS on Communications
Publication Date: 2012/09/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Section on Emerging Technologies and Applications for Ad Hoc and Wireless Mesh Networks)
personal area network, reliable broadcast, mesh network, timer, and acknowledgement,
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The IEEE has recently released IEEE 802.15.5 standard  to provide multi-hop mesh functions for low-rate wireless personal area networks (WPANs). In this paper, we extensively describe a link-layer reliable broadcast protocol referred to as timer-based reliable broadcast (TRB)  in the IEEE 802.15.5 standard. The TRB scheme exploits (1) bitmap based implicit ACK to effectively reduce the unnecessary error control messages and (2) randomized timer for ACK transmission to substantially reduce the possibility of contentions. Performance evaluation shows that the TRB scheme achieves 100% reliability compared with other schemes with expense of slightly increased energy consumption.