Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Reexamination Certificate
2006-09-19
2006-09-19
Kizou, Hassan (Department: 2616)
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
C370S235000, C370S468000
Reexamination Certificate
active
07110410
ABSTRACT:
A method and apparatus for coupling an ATM communication layer to a plurality of N mutually time-independent time-division multiplex communication terminals having an overall payload cell rate CRNwhich involves: generating a control signal sequence with a clock rate corresponding to the overall payload cell rate CRNof the N time-division multiplex communication terminals, whereby the control signals can represent a first or a second status; offering a fixed data pattern; transmitting the ATM cells coming from the ATM communication layer into an ATM cell waiting list; transmitting, on demand, an ATM cell from the ATM waiting list to the requesting time-division multiplex communication terminal when the respectively oldest control signal of the control signal sequence represents the first status, and transmitting the fixed data pattern to the requesting time-division multiplex communication terminal when the oldest control signal of the control signal sequence represents the second status; and deleting the oldest control signal of the control signal sequence. The method enables a frictionless coupling of an ATM communication layer having a plurality of mutually independent time-division multiplex communication terminals, whereby variable data rates (burst behavior) of the ATM layer as well as of the time-division multiplex communication terminals can be decoupled from one another and good cell delay variation (CDV) properties can be assured.
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Bell Boyd & Lloyd LLC
Kizou Hassan
Mills Donald L.
Siemens Aktiengesellschaft
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