Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching
Reexamination Certificate
2006-08-01
2006-08-01
Nguyen, Chau (Department: 2667)
Multiplex communications
Pathfinding or routing
Combined circuit switching and packet switching
C370S466000
Reexamination Certificate
active
07085265
ABSTRACT:
A method of mapping between contexts of a packet network and TDM channels and streams. The method comprises constructing a lookup table defining the sequence in which data is to be mapped between contexts and TDM channels and streams, and including for each row of the table a flag which indicates whether or not that entry is the first entry in the table for the corresponding context. As the TDM receive or transmit entity cycles through the lookup table, use is made of the flags to synchronize the start of each packet with the first entry of a TDM frame for each context.
REFERENCES:
patent: 4612636 (1986-09-01), Grover et al.
patent: 6219350 (2001-04-01), Lee
patent: 6763025 (2004-07-01), Leatherbury et al.
patent: 0722237 (1996-07-01), None
Floyd Geoffrey Edward
Frost Timothy Michael Edmund
Kosolowski James F.
Scott Martin Raymond
Hamann Jordan
Nguyen Chau
Thompson Hine LLP
Zarlink Semiconductor V.N. Inc.
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