Patent ID: 7486953

Claim:
A system, comprising a first base transceiver (BTS) unit that receives on a first primary uplink frequency and is configured to add at least one secondary uplink frequency, and the first BTS transmits on a first primary downlink frequency and is configured to add at least one secondary downlink frequency; a second BTS that receives on a second primary uplink frequency and is configured to add at least one secondary uplink frequency, and the second BTS transmits on a second primary downlink frequency and is configured to add at least one secondary downlink frequency; and a controller associated with the first BTS and the second BTS, the controller controls to which of at least the first and second BTS's a mobile unit should be connected based on a signal received by the first and second BTS's from the mobile unit, the controller causes one of the first and second BTS's to add a new carrier to communicate with the mobile unit based on the controller determining that the mobile unit should switch to the one of the first and second BTS's.