A transceiver uses a record of the current timing state of different radio access protocols when emulating devices of the radio access protocols

摘要

A transceiver 1, 4 adapted to emulate devices, i.e. base stations, using one or more of a plurality of different radio access protocols (or Radio Access Technologies (RATs)). The transceiver 1, 4 comprises a timing module 3, 6, which maintains a record of the current timing state that would apply to each of the different radio access protocols the transceiver 1, 4 is able to use. When the transceiver 1, 4 changes from a first radio access protocol used to emulate a first device to a second radio access protocol used to emulate a second device, the transceiver 1, 4 uses the record of the current timing state that would apply to the second radio access protocol to set the timing of the second radio access protocol. The transceiver 1, 4 may changeover from emulating the first device to emulating the second device at a common frame boundary time corresponding to a frame boundary time of each of the first and second radio access protocols.