Patent ID: 8515489

Claim:
A communications apparatus, comprising: a processor, coupled to a first radio access technology (RAT) module, a second RAT module and a radio transceiver, wherein the first RAT module camps on a first cell belonging to a first wireless network and is in an idle mode; wherein the second RAT module camps on a second cell belonging to a second wireless network and is in a packet transfer mode to construct a connection with the second wireless network and perform data transfer in the second wireless network via the radio transceiver; and wherein the processor receives a reservation request, requesting permission to use the radio transceiver for performing a first radio activity in the idle mode, from the first RAT module, and determines whether to provide a gap interval during the data transfer of the second RAT module for the first RAT module to use the radio transceiver for performing the first radio activity according to a type of a second radio activity that is going to be preformed by the second RAT module during the data transfer which collides with the first radio activity, and when the gap interval is determined to be provided for the first RAT module, the second RAT module is unable to use the radio transceiver for performing the second radio activity and the data transfer of the second RAT module is suspended during the gap interval.