Patent ID: 7151757
Filing Date: 2006-12-19
Classification: H04B,H04L,H04W

Abstract:
1. A system for wirelessly exchanging communications with at least one mobile unit, the system comprising: more than two base station units coupled to a network; wherein each base station unit is configured to communicate wirelessly with the mobile unit under a Bluetooth protocol wherein the Bluetooth protocol is a short-range, frequency hopping protocol for transmitting and receiving information during time division duplex pairs of transmit and receive slots, and wherein the pairs of transmit and receive slots repeat over a cycle of n pairs of slots; wherein each base station unit is further configured to: synchronize the transmit and receive slots with other base station units, wherein during synchronization, the base station unit: align the transmit and receive slots with respect to the other base station units based on the synchronization; and hand-off communications with the mobile unit to one of the other base station units.