High-speed time-division switching system

Details High-speed time-division switching system High-speed time-division switching system

H - Electricity

04

Q

344/25

H04Q 11/04 (2006.01) H04Q 11/08 (2006.01)

Patent

CA 2036756

- 17 - HIGH-SPEED TIME-DIVISION SWITCHING SYSTEM Abstract A non-blocking broadband broadcast time-division switching system (10) comprises a time-slot replication stage (12) followed by a conventional TMS stage (11). The replication stage replaces the TSI stage of conventional switching systems. Time division multiplexed links (16) are connected to inputs of the system. Each input link is connected to the input of a different replicator (14). Each replicator has as many outputs as there are timeslots (202) in a frame (201) on an input link. Replicators' outputs are connected each to a different input of the TMS stage. In one embodiment, a replicator generates each time slot of a received frame at a different output and replicates the individual time slot at the individual output during each time-slot interval of a frame interval. In another embodiment, a replicator generates each time slot of a received frame at a different time at each output, thus generating a delayed replica of the received frame at the outputs. In either embodiment, during each time-slot interval, each replicator transmits a frame of different received time slots to the TMS stage.

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