The present invention relates to a method of switching from a first mobile radio
mode to a second mobile radio mode in a multimode mobile radio terminal having
a first part and a second part respectively operating in compliance with first
and second radio access technologies and respectively provided with first and second
clocks, the method including the following steps:
- locking the first part of the mobile terminal to a first mobile radio
mode associated with an first clock;
- the mobile terminal calculating the time shift between the clocks of
the two mobile radio modes;
- correcting the time of a second part of the terminal using the calculated
time shift; and
- switching a second part of the mobile terminal to a second mobile radio
mode associated with the second clock.
