High-performance packet-switched WDM ring networks with tunable lasers
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United States of America Patent
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Mar 31, 1992
Grant Date -
N/A
app pub date -
Aug 2, 1990
filing date -
Aug 2, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A communications network comprising a plurality of 'subnetworks' multiplexed onto a single communications medium. A separate group of NIU's communicate on each predetermined 'subnetwork', and each NIU also includes a tunable transmitter for transmitting data to NIU's of other subnetworks. Data from a user equipment is transmitted via the tunable transmitter if it is destined for an NIU from another subnetwork, and via a fixed transmitter if it is destined for an NIU on the same subnetwork. In one embodiment, fiber optics is utilized in order to provide a high speed network with tunable lasers.
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