Wireless communication apparatus and wireless communication method

The invention provides a wireless communication apparatus and a wireless communication method for coordinating operations between circuit-switched (CS) and packet-switched (PS) services, wherein the wireless communication apparatus comprises a baseband chip which is configured to perform a packet switched (PS) data service associated with a second service network, sacrifice a portion of data transceiving from/to the second service network to monitor a channel associated with a first service network during the PS data service, so as to receive message from the first service network or maintain mobility in the first service network. The wireless communication apparatus provided by the utility model can flexibly manage switched operation between a plurality of wireless communication modules corresponding to a plurality of user identification cards in the wireless communication apparatus.