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A new clock synchronization algorithm for multi-hop wireless ad hoc networks

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3 Author(s)
Pande, H.K. ; DEAL (DRDO), Dehradun, India ; Thapliyal, S. ; Mangal, L.C.

In wireless ad hoc networks, all the mobile nodes are required to be synchronized for TDMA and frequency hopping spread spectrum (FHSS) operations. In this paper, we propose modified automatic selftime-correcting procedure (MASP) to achieve clock synchronization in a multi-hop environment. In MASP a faster node has a higher priority to send its timing information. It has a self correction capability against the clock oscillation difference among nodes. In MASP slower nodes can synchronize to the fastest node, by periodically correcting its timer. Simulation is done for comparative performance analysis of the ASP and MASP protocol. It is observed that the maximum clock drift is improved in MASP.

Published in:

Wireless Communication and Sensor Networks (WCSN), 2010 Sixth International Conference on

Date of Conference:

15-19 Dec. 2010