Multiplex communications – Wide area network – Packet switching
Patent
1993-01-29
1994-05-31
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
375109, H04J 306
Patent
active
053175719
ABSTRACT:
A method for determining the transmission time between remote terminal stations and a central terminal station in a point-to-multipoint bidirectional transmission network. The central station measures the time interval between a reference time for sending of information signals by the central station and reception by the central station of a location signal sent by a remote station after a time-delay starting from a reference time for reception of information signals by the remote station so that the location signal is received by the central station in a predetermined location window not assigned to reception of information signals by the central station. For a given remote station the time-delay is variable from an initial value such that the location signal is not necessarily received in the window and the location signal sending by the remote station is then repeated until the location signal is received by the central station in the window.
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patent: 4569042 (1986-02-01), Larson
patent: 4694453 (1987-09-01), Kobayashi et al.
patent: 4800560 (1989-01-01), Aoki et al.
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patent: 5048009 (1991-09-01), Conrad
patent: 5049982 (1991-08-01), Werner
Allaire Serge
Dore Pierre
Marcel Francois
Sallaerts Dany
Alcatel Cit
Olms Douglas W.
Patel Ajit
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