Patent ID: 7366542

Claim:
A method for securing a wireless communication medium using a Subscriber Identity Module (SIM) card, comprising: determining a SIM card insertion and if so accessing SIM data and transmitting the SIM data to a base station for comparison with a local copy of an authorized user data file; granting mobile unit access to the base station if the comparison is indicative of a match and otherwise indicating an access failure; and if the mobile unit access is grant, determining a desired level of service; and dynamically adjusting a number of time slots assigned to the wireless communication medium during data transmission to remain within limits of said desired level of service via the dynamically adjust number of time slots and at least one short-range wireless medium; wherein the dynamic adjusting comprises: determining available time-slot resources; detecting the wireless communication medium that fails to meet said desired level of service; allocating the wireless communication medium to a configuration having additional time slots; and transmitting a channel assignment message including information on the allocated configuration with the additional time slots.