DSA: Distributed Semi-Asynchronous Sleep Scheduling Protocol for Mobile Wireless Networks

A synchronization error is unavoidable in mobile wireless multihop networks, especially in sparse networks, due to the lack of effective synchronization algorithms. Fortunately, some level of clock synchronization is possible among nodes. In this paper, we propose a distributed semi-asynchronous sle...

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Vydáno v:2011 IEEE International Conference on Communications (ICC) s. 1 - 5
Hlavní autoři: Bong Jun Choi, Xuemin Shen
Médium: Konferenční příspěvek
Jazyk:angličtina
Vydáno: IEEE 01.06.2011
Témata:
Clocks
Peer to peer computing
Protocols
Schedules
Scheduling
Sleep
Synchronization
ISBN:9781612842325, 1612842321
ISSN:1550-3607
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Shrnutí:A synchronization error is unavoidable in mobile wireless multihop networks, especially in sparse networks, due to the lack of effective synchronization algorithms. Fortunately, some level of clock synchronization is possible among nodes. In this paper, we propose a distributed semi-asynchronous sleep scheduling protocol (DSA) considering loosely synchronized clocks in sparse mobile wireless networks. The sleep schedules are constructed to guarantee contacts among distributed nodes having synchronization errors. Also, the protocol can be optimized using the distribution of the synchronization error to maximize the energy efficiency. With simulation results, we demonstrate that the DSA can achieve higher energy efficiency than existing asynchronous sleep scheduling protocols, especially for large synchronization errors.
ISBN:9781612842325
1612842321
ISSN:1550-3607
DOI:10.1109/icc.2011.5962781