Transmission method in a umts mobile phone network with preparation of the handover to a gsm - cell during an existing communication with a umts - cell

摘要

During the allocation of the time intervals of a frame of the umts to a terminal, the umts network has a free space and continuous, the duration of at least equal to 5 ms, in a frame of the umts, in order to enable the receiver of the terminal to measure the power of the gsm signals may be received, and prepare a possible offset by a pre - synchronization to a gsm cell adjacent. Application to the umts wireless telephone network.