Timeslot interchange switch

Details Timeslot interchange switch Timeslot interchange switch

2007-11-06

2007-11-06

To, Doris H. (Department: 2616)

Multiplex communications

Pathfinding or routing

Through a circuit switch

C370S429000

Reexamination Certificate

active

10180129

ABSTRACT:
A timeslot interchange switch has a three stage pipelined construction. A cross-connect stage identifies egress timeslots for which there is a corresponding data source. The cross connect stage has a set of flags which indicate whether or not there is a data source for each of a plurality of egress timeslots. The cross connect stage takes the flags in groups. If one or more flags in a group indicates an egress timeslot has a corresponding data source then information identifying the egress timeslot is passed to a connection scheduler via a FIFO. The connection scheduler looks up the data source for each the egress timeslot.

REFERENCES:
patent: 5841771 (1998-11-01), Irwin et al.
patent: 5892922 (1999-04-01), Lorenz
patent: 6064670 (2000-05-01), Athenes et al.
patent: 6259703 (2001-07-01), Gray
patent: 6324176 (2001-11-01), Bodnar et al.
patent: 6587459 (2003-07-01), Suda et al.
patent: 2002/0006128 (2002-01-01), Yehuda et al.
patent: 2002/0024949 (2002-02-01), Tomonaga et al.
patent: 2003/0026287 (2003-02-01), Mullendore et al.

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