Packet data communication system

Details Packet data communication system Packet data communication system

H - Electricity

04

L

H04L 12/56 (2006.01) H04B 7/005 (2006.01) H04B 7/185 (2006.01) H04Q 7/22 (2006.01) H04Q 7/32 (2006.01)

Patent

CA 2237289

A packet data communication system includes a control station and a plurality of mobile terminals that communicate on demand with the control station over a wireless link. The control station has a data port for receiving data packets destined for the terminals, an arrangement for generating a plurality of data channels for carrying the data packets, and an arrangement for assigning the data packets destined for a particular terminal to one or more of the data channels. A control channel carries control information pertaining to the data channels. The channels are transmitted to the mobile terminals as an r.f. signal. The terminals have a receiver for receiving the r.f. signal, an analog-to-digital converter for digitizing the received signal, and a buffer for storing the digitized received signal. The terminals continually monitor the control channel to extract control information. The stored signal is processed to extract packet data destined for the terminal from one or more of the data channels in response to control information received on the control channel.

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