Frequency-hopping radio communications system

Details Frequency-hopping radio communications system Frequency-hopping radio communications system

H - Electricity

04

B

325/28

H04B 7/24 (2006.01) H04B 7/26 (2006.01)

Patent

CA 1214215

A B S T R A C T A radio communications system comprising at least one master station and a plurality of slave stations in two-way frequency-hopping communication therewith. For telephony, speech is digitally encoded . Digital data is transmitted in packets using successive bursts at diffe- rent frequencies separated by intervals of silence. Each slave station has its own frequency-hopping pattern in- dependent of the patterns of the other slave stations but sharing a common pool of available frequencies. The master stations are capable of generating any of the slave station patterns instantly. The master stations broad- cast network time information for synchronization purposes, and the slave station patterns are determined by a combi- nation of a slave station identification number and network time.

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