It introduces Gauss model to deal with the RSSI which is got from in sensitive region, then the problem that RSSI is easy to be interfered is resolved.

• 采用等边三角形分布模型处理信标节点的分布，保证未知节点运动轨迹始终在信标节点的非敏感区内，从而在定位算法上使测量精度得到提高。