Optical communications – Multiplex – Broadcast and distribution system
Reexamination Certificate
2006-08-08
2006-08-08
Li, Shi K. (Department: 2633)
Optical communications
Multiplex
Broadcast and distribution system
C398S068000
Reexamination Certificate
active
07088921
ABSTRACT:
A data communications system which provides multiple logical channels on a passive optical network (PON) using subcarrier multiple access (SCMA). The PON includes multiple optical network units (ONU) which each communicate with a head-end over a logical channel. Collisions among upstream transmissions are thereby avoided and high speed Ethernet service over large distances is made possible.
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Li Shi K.
Lucent Technologies - Inc.
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