The invention relates to a method for realizing
cell re-selection by a
mobile device in a mobile communication
system, which comprises the steps that: the
mobile device performs the
cell selection process and records a measurement result, performs the
processing operation of generating a
cell re-selection measurement target
list according to the measurement result, performs the detection operation of the cell re-selection according to the cell re-selection measurement target
list and acquires re-selected target cells which satisfy cell re-selection conditions, and performs the cell re-selection process according to the re-selected target cells. The adoption of the method for realizing the cell re-selection by the
mobile device in the mobile communication
system effectively realizes the operation of
cell selection, also has higher success ratio, remarkably reduces the
power consumption of the
system under DRX state at the same time, solves the problem of frequent cell re-selection caused by level fluctuation, saves
operating cost, improves
wireless communication
service quality and operation efficiency, saves the energy and reduces the consumption, has steady and reliable working performance and broader application range, and lays a
solid foundation for the further development of modern mobile communication technology.