基于时间转换网关的节能WSN时间同步多跳扩展研究
On The Multi-Hop Extension of Energy-Efficient WSN Time Synchronization Based on Time-Translating Gateways
摘要：
我们报告的初步结果的多跳扩展最近提出的节能无线传感器网络时间同步方案的基础上，时间转换网关的模拟研究。与单跳情况不同，在多跳时间同步中，传感器节点通过网关将测量数据发送到头节点，所述网关转换所接收的测量数据的时间戳值。通过对两跳时间同步的仿真，分析了网关的加入及其时间戳值的转换对时钟频率和测量时间估计的影响，从而论证了基于时间转换网关的能量有效的WSN时间同步多跳扩展的可行性。
英文摘要：
We report preliminary results of a simulation study on the multi-hop extension of the recently-proposed energy-efficient wireless sensor network time synchronization scheme based on time-translating gateways. Unlike the single-hop case, in multi-hop time synchronization a sensor node sends measurement data to a head node through gateways which translate the timestamp values of the received measurement data. Through simulations for two-hop time synchronization, we analyze the impact of the addition of a gateway and its translation of timestamp values on the clock frequency and measurement time estimation and thereby demonstrate the feasibility of the multi-hop extension of the energy-efficient WSN time synchronization based on time-translating gateways.
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