Novel Two-Step Method for Joint Synchronization and Localization in Asynchronous Networks
Novel Two-Step Method for Joint Synchronization and Localization in Asynchronous Networks
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异步网络中联合同步和定位的新型两步法
DOI:
10.1109/lwc.2017.2748135
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发表时间:
2017-12
影响因子:
6.3
通讯作者:
Wei Wang
中科院分区:
文献类型:
--
作者:
Fan Zhang;Gang Wang;Wei Wang
In this letter, the joint synchronization and localization problem in asynchronous networks using time-of-arrival measurements is addressed. A novel two-step method is proposed. In Step 1, we estimate the clock skew by a linear weighted least squares estimator. In Step 2, we obtain a second-order cone program (SOCP) by applying second-order cone relaxation technique to jointly estimate the source node location and clock offset. The relaxed SOCP problem is further tightened by adding a regularization term. Moreover, a simple procedure of selecting the regularization factor is proposed. Simulation results show the superior performance of the proposed method over the existing methods.
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影响因子:
5.4
作者:
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通讯作者:
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影响因子:
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DOI:
10.1137/1.9780898718829
发表时间:
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期刊:
--
影响因子:
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作者:
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通讯作者:
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影响因子:
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