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Accuracy of AOA

An example of an AOA for the SDK version "simplelink_cc2640r2_sdk_2_30_00_28";

一、

The figure below shows the change of AOA angle over a continuous period of time.

It can be seen that the AOA angle value is about 75 degrees.

Why do you produce the spikes (burrs) in the graph???

Is the AOA angle change in the above figure a normal phenomenon???

二、

aoa_receiver example,AOA.c --> AOA_getPairAngles():

The value of “antResult->signalStrength[i]” is always zero during program execution.

This value should be the RSSI information collected for the record.

Is this a normal phenomenon?

  • Hi,
    I am not sure about the spikes, but I suggest you evaluate using the latest SDKv3.10 to get the most recent improvements. The version you are using is not something we recommend in terms of AoA evaluation.