Patent ID: 6954443

Claim:
A short-range RF network, the network comprising: a plurality of nodes connected wirelessly to each other, and to at least one resource; at least one mobile device wirelessly communicating with at least one of the plurality of nodes, and capable of roaming out of one node's coverage area into another node's coverage area; and a periodically updated first database for maintaining information concerning the at least one mobile device currently in communication with at least one of the plurality of nodes for each node of the short-range RF network; the at least one resource having a periodically updated second database including information concerning the plurality of nodes of the short-range RF network and relative information concerning the first databases of each node of the short-range RF network; the at least one mobile device capable of sending a user-initiated request for data using the short-range RF network, the network being arranged to forward said request to the at least one resource; the at least one resource being arranged to provide the requested data via the network to a node communicating with the at least one mobile device according to the periodically updated relative information concerning the first databases stored at the second database of the at least one resource; and wherein the node receiving the requested data is arranged to determine whether the at least one mobile device is still in communication with said node, and, if the at least one mobile terminal is still in communication with said node according to the periodically updated information stored at the first database, said node forwards the requested data to the at least one mobile device.