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通过RSSI值来计算距离的问题

Other Parts Discussed in Thread: CC2431

各位大师:

有几个问题想请教下:

1.通过RSSI值来计算误差到底有多大?

2.用查表的方式来计算距离可靠吗(实现测量去距离与RSSI值的对应表)?

3.在3米以下(0~3米)的距离用公式计算误差是多大?有何好的计算公式吗?

4.有其他更好的计算距离的方法吗?

谢谢先!