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Tunable Synchronization in Duty-cycled Wireless Sensor Networks

  • In this work, we consider a duty-cycled wireless sensor network with the assumption that the on/off schedules are uncoordinated. In such networks, as all nodes may not be awake during the transmission of time synchronization messages, nodes will require to re-transmit the synchronization messages. Ideally a node should re-transmit for the maximum sleep duration to ensure that all nodes areIn this work, we consider a duty-cycled wireless sensor network with the assumption that the on/off schedules are uncoordinated. In such networks, as all nodes may not be awake during the transmission of time synchronization messages, nodes will require to re-transmit the synchronization messages. Ideally a node should re-transmit for the maximum sleep duration to ensure that all nodes are synchronized. However, such a proposition will immensely increase the energy consumption of the nodes. Such a situation demands that there is an upper bound of the number of retransmissions. We refer to the time a node spends in re-transmission of the control message as broadcast duration. We ask the question, what should be the broadcast duration to ensure that a certain percentage of the available nodes are synchronized. The problem to estimate the broadcast duration is formulated so as to capture the probability threshold of the nodes being synchronized. Results show the proposed analytical model can predict the broadcast duration with a given lower error margin under real world conditions, thus demonstrating the efficiency of our solution.show moreshow less

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Metadaten
Author:Ravi Sharma, Ashok Singh Sairam, Akash Yadav, Axel SikoraORCiDGND
Contributing Corporation:IEEE
Year of Publication:2016
Page Number:6
ISBN:978-1-5090-2193-2 (digital)
ISBN:978-1-5090-2194-9 (Print on Demand)
Language:English
Tag:Sensortechnik; Synchronisation
Parent Title (English):2016 IEEE International Conference on Advanced Networks and Telecommunications Systems (ANTS)
First Page:856
Last Page:860
Document Type:Conference Proceeding
Institutes:Bibliografie
Release Date:2018/01/17
Licence (German):License LogoEs gilt das UrhG
Note:
2016 IEEE International Conference on Advanced Networks and Telecommunications Systems (ANTS), 6-9 Nov. 2016, Bangalore, India
URL:http://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=7947782
DOI:https://doi.org/10.1109/ANTS.2016.7947782