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A loose time synchronization regime for wireless sensor network

To wireless sensor network, this paper analyzes present scheme of time synchronization, that are controlled severely by some program planned beforehand. By introducing mobile agent, a loose time synchronization regime is proposed, which has intelligent ability. It fits for some certain situation of non-sensitive accuracy or energy-saving of wireless sensor network. The regime can be divided to two steps: trunk-time-sync and cluster-time-sync. By implementing, it achieves the goal: energy-effective, secure, time synchronized.