A non-transitory processor readable storage medium comprising commands, which, when executed by a processor inside a wireless communication device comprising a plurality of receiving circuits that share one phase locked loop circuit, the non-transitory processor is configured to provide, to the plurality of receiving circuits, a digital-reference signal for a frequency down conversion of a radio frequency (RF) signal received by the plurality of receiving circuits based on a frequency channel corresponding to the RF signal, and to provide to the plurality of receiving circuits a signal for adjusting a sampling rate at a time of an analog to digital conversion performed by the plurality of receiving circuits based on a band group corresponding to the RF signal.