Multipoint communication system having polling and...

Details Multipoint communication system having polling and... Multipoint communication system having polling and...

H - Electricity

04

J

363/10

H04J 3/16 (2006.01) H04B 7/185 (2006.01) H04J 3/06 (2006.01) H04L 12/403 (2006.01) H04L 12/56 (2006.01)

Patent

CA 1259430

"Multipoint Communication System Having Polling and Reservation Schemes" ABSTRACT OF THE DISCLOSURE In a multipoint communication system, first polling signals are sequentially and respectively transmitted to terminal stations on a broadcast channel from a central station, asking a request for reservation without waiting for a reply from the terminal stations. A reservation signal is transmitted on a multiple access channel from a terminal station requesting the reservation to the central station in response to the first polling signal addressed to it. A second polling signal is then transmitted on the broadcast channel in response to the reservation signal and the multiple access channel is reserved for a period of time variable in accordance with the reservation signal. A data signal is transmitted from the terminal station requesting the reservation on the reserved multiple access channel in response to the second polling signal.

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