Patents Assigned to Astronet Corporation/Plessey U.K.
  • Cellular radiotelephone system providing diverse separately-accessible groups of channels
    Patent number: 4750198
    Abstract: A cellular radiotelephone system including plurality of channels with a mechanism for dividing the channels into two diverse sets based on a division of the control channels used to transmit control information. The division is effected by providing that one group of subscriber sets begins scanning the control channels at the first control channel and only scans up to a maximum number of control channels, and a second group of subscriber sets begins scanning at another control channel not scanned by the first group.
    Type: Grant
    Filed: December 12, 1986
    Date of Patent: June 7, 1988
    Assignee: Astronet Corporation/Plessey U.K.
    Inventor: Donald J. Harper