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Next, the experimental environment is shown.
Only antenna cancellation and the proposed method are used as the self-interference canceling method.
In addition, the method defined by IEEE 802.11n is used as the channel estimation method required for the proposed method.
And, in order for the two APs to cooperate, it is necessary to synchronize the clock and share the transmission / reception timing, but this time, in order to simplify the experiment, the clock is clocked by inputting a common clock to the two APs.
Furthermore, as a transmission / reception timing sharing method, wired timing sharing is performed via GPIO.
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IEEE/ICACT20210238 Slide.12
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