Multiplex communications – Communication techniques for information carried in plural... – Combining or distributing information via time channels
Reexamination Certificate
2005-03-15
2005-03-15
Nguyen, Chau (Department: 2663)
Multiplex communications
Communication techniques for information carried in plural...
Combining or distributing information via time channels
C370S528000, C370S529000
Reexamination Certificate
active
06868095
ABSTRACT:
A system and method for implementing a control channel in a packet switched communications network. In a computer network, such as a local area network (LAN) it is known to utilize the Ethernet for distributing communications between stations. The Ethernet employs a standard frame format that includes header frames and, in particular a preamble frame which may be used to provide synchronization information between switching devices or nodes. The preamble frame is not required in a Gigabit Ethernet implementation and the present invention employs a portion of the preamble frame to implement a control channel between switching devices.
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Dr. Howard Johnson; “Update to Protocol Proposal Sep. 09, 1996”; IEEE 802.3 HSSG Gigabit Ethernet; 19 Pages.
Barrack Craig
Chang Rong-Feng
Wang Linghsiao
Ng Christine
Nguyen Chau
Tucker Ellis & West LLP
Zarlink Semiconductor V.N. Inc.
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