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Time synchronisation is essential to ensure the reliability of distributed computation. Oscillators included in low-cost nodes are highly influenced by temperature variations. Experimental results demonstrate that the clock skew of two nodes (the ratio of the real frequencies of the oscillators) is composed of a multiplicative combination of, at least, two main components: the clock skew due to the...
To exploit distributed computation in wireless sensor networks (WSNs) time synchronisation protocols are required. These protocols support advanced distributed and synchronous tasks between several nodes. Temperature changes have a strong influence in oscillators and may vary the clock of the nodes. The flooding time synchronisation protocol (FTSP) is a common time-sync protocol in WSNs. It cannot...
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