Patent ID: 6381217
Filing Date: 2002-04-30
Classification: H04L,H04Q,H04W

Abstract:
A method for checking a point-to-multipoint connection set up in an asynchronous transfer mode (ATM) transmission system between a paging sender and a plurality of paging receivers in a mobile communications system, comprising the steps of:at the paging sender, setting up the point-to-multipoint connection in the ATM transmission system: transmitting a check cell to the paging receivers through the point-to-multipoint connection at intervals of a first predetermined time period; at each of the paging receivers, determining whether the check cell is received within a second predetermined time period longer than the first predetermined time period; and transmitting a connection resetting request to the paging sender to reset the point-to-multipoint connection when the check cell has not been received for the second predetermined time period.