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CC1101能否通过RSSI进行测距

Other Parts Discussed in Thread: CC1101

目前看网上关于ZIgbee协议栈都支持测距定位的功能。原理是依据RSSI信号强度来做的。

问题1:CC1101的RSSI信号强度检测是否也支持测距

问题2:从寄存器读出的RSSI值是否需要通过下面公司换算

如果结果大于等于128,则RSSI_dBm=(RSSI_dec-256)/2-RSSI_offset;

 否则,如果RSSI_dec<128则RSSI_dBm=(RSSI_dec)/2-RSSI_offset

问题3:

 RSSI=-(10×n×lgd+A)  公式是否适用