Patent ID: 6522875
Filing Date: 2003-02-18
Classification: H04L,H04W,Y02D

Abstract:
A system comprising:a mobile transceiver coupled to a first air-interface antenna and operative to communicate with a network server; a memory device coupled to said transceiver; a network interface module coupled to said transceiver and to said memory, said network interface module operative to control the flow of information with said network server via said transceiver; an input device for indicating a geographical area of interest, the output of said device being coupled to said network interface module; and at least one local broadcast domain entity operative to transmit one or more advertisement packets to one or more mobile units located in a broadcast domain; wherein said network interface module is operative to pass a first geographical application-request packet to said network server indicating said geographical area of interest; whereby said network server passes information related to said geographical area of interest to said network interface module to populate said memory via said transceiver and said air-interface; whereby said mobile transceiver further comprises an information-content selective packet filter configured to automatically generate a second geographical packet when said advertisement packet is found to match an information-content parameter; and whereby said second geographical packet is an information-request packet that requests information related to said information-content parameter.