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Open AccessArticle

Handling Neighbor Discovery and Rendezvous Consistency with Weighted Quorum-Based Approach

School of Computer Software, Tianjin University, Tianjin 300072, China
Tianjin University of Traditional Chinese Medicine, Tianjin 300193, China
Author to whom correspondence should be addressed.
Academic Editor: Leonhard M. Reindl
Sensors 2015, 15(9), 22364-22377;
Received: 17 August 2015 / Revised: 18 August 2015 / Accepted: 27 August 2015 / Published: 3 September 2015
(This article belongs to the Section Sensor Networks)
Neighbor discovery and the power of sensors play an important role in the formation of Wireless Sensor Networks (WSNs) and mobile networks. Many asynchronous protocols based on wake-up time scheduling have been proposed to enable neighbor discovery among neighboring nodes for the energy saving, especially in the difficulty of clock synchronization. However, existing researches are divided two parts with the neighbor-discovery methods, one is the quorum-based protocols and the other is co-primality based protocols. Their distinction is on the arrangements of time slots, the former uses the quorums in the matrix, the latter adopts the numerical analysis. In our study, we propose the weighted heuristic quorum system (WQS), which is based on the quorum algorithm to eliminate redundant paths of active slots. We demonstrate the specification of our system: fewer active slots are required, the referring rate is balanced, and remaining power is considered particularly when a device maintains rendezvous with discovered neighbors. The evaluation results showed that our proposed method can effectively reschedule the active slots and save the computing time of the network system. View Full-Text
Keywords: quorum graph; quorum system; sensor network quorum graph; quorum system; sensor network
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Own, C.-M.; Meng, Z.; Liu, K. Handling Neighbor Discovery and Rendezvous Consistency with Weighted Quorum-Based Approach. Sensors 2015, 15, 22364-22377.

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