提出了一种基于正六边形网格的分层网络结构，研究了在监测区域面积给定情况下的最优网络分层问题。

In this paper, a layered network architecture based on regular hexagonal cells is introduced to wireless sensor network, and the optimal layers is studied in given monitoring area.

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作为扩展，文中引出了节点布局对定位影响的研究，提出了基于正六边形的蜂窝网格结构布局。

This leads to the research on the distribution of transceiver, proposed structure of the cellular layout based on the hexagonal grid.

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