Patent ID: 6754494
Filing Date: 2004-06-22
Classification: H04W

Abstract:
A mobile communication system comprising:means for collecting periodically a plurality of first signal quality data between a mobile station and a plurality of base stations connected to the mobile station simultaneously, and collecting periodically a plurality of second signal quality data between said mobile station and a plurality of base stations which are not connected to said mobile station; first storage means for storing said plurality of first signal quality data and said plurality of second signal quality data as time-sequential data; second storage means for storing time-sequential data of past base station reception quality and additional handover candidates corresponding to the time-sequential data; means for comparing time-sequential data stored in said first storage means and time-sequential data stored in said second storage means, specifying a transition of similar past signal quality data and selecting a handover destined base station corresponding to the specified transition of past signal quality data from said second storage means; and means for connecting said mobile station to the handover destined base station selected by said means for selecting to conduct handover operation.