Patent ID: 7089020

Claim:
A wireless communication system comprising: a first base station set operable to wirelessly transmit across a first geographic range; a second base station set operable to wirelessly transmit across a second geographic range; a subscriber device operable to wirelessly receive a first identifier from said first base station set when said device is in said first geographic range and to receive a second identifier from said second base station set when said device is in said second geographic range; and said device operable to store a location that is associated with each said identifier, said device further operable to maintain a first event associated with said first geographic range, such that when said device is in said second geographic range a second event is performed based on a relationship between said second geographic range and said first geographic range, and such that when said device is in said second geographic range a reminder is generated for said appointment at a time prior to said appointment, said time being substantially equal to an expected travel time from said second geographic range to said first geographic range.