Multiplex communications – Wide area network – Packet switching
Patent
1992-04-15
1995-04-11
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
3701001, H04B 336, H04J 306
Patent
active
054065615
ABSTRACT:
Each of the repeater stations comprises a frame synchronization circuit, a loop-back circuit and a repeater number calculating circuit. The repeater number calculating circuit calculates the second repeater number thereof depending on the number of layers from the master station based on the first repeater number when the repeater station is in frame synchronization as determined by the frame synchronization circuit. The repeater number calculating circuit equalizes the second repeater number thereof to the first repeater number irrespective of the number of layers from the master station when the repeater station is in frame asynchronization as determined by the frame synchronization circuit.
REFERENCES:
patent: 4490818 (1984-12-01), Otsuka
patent: 4494211 (1985-01-01), Schwartz
patent: 4611324 (1986-09-01), Giacometti et al.
patent: 4713809 (1987-12-01), Mizota
patent: 4876683 (1989-10-01), Suzuki
patent: 4937812 (1990-06-01), Itoh et al.
NEC Corporation
Nguyen Chau T.
Olms Douglas W.
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