Multiplex communications – Communication over free space – Combining or distributing information via time channels
Reexamination Certificate
2009-01-15
2010-11-16
Milord, Marceau (Department: 2618)
Multiplex communications
Communication over free space
Combining or distributing information via time channels
C370S312000, C370S328000, C370S471000, C455S456100, C455S404200, C455S456600, C455S003050, C701S207000, C701S213000
Reexamination Certificate
active
07835342
ABSTRACT:
A dedicated device and method for connecting between a packet-data-capable wireless modem and a high sensitivity indoor-capable Global Positioning System (GPS) receiver, and is able to access a commercially available cellular or PCS band wireless Internet network for supplying indoor and outdoor GPS locations to a designated remote Internet server, in an independent, periodic, and automatic manner. Implemented with TCP/IP UDP PPP protocol stacks, the device automatically accesses and retries for always connecting to the wireless Internet network in packet data mode. The device also automatically retrieves the aiding/assisted-GPS (A-GPS) information from either a wireless base station or a specified separate A-GPS server. The device periodically supplies the A-GPS information and receives the indoor-capable GPS locations, to and from the GPS receiver. The indoor-capable GPS locations are packed into Internet User Datagram Protocol (UDP) packet data format and periodically sent to a designated remote server through the wireless Internet network.
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Bacon & Thomas PLLC
Milord Marceau
LandOfFree
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