Extensible time space switch systems and methods for high capacity multi-service applications
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United States of America Patent
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Sep 9, 2014
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app pub date -
Dec 14, 2011
filing date -
May 27, 2010
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Abstract
A time-space switch in a ring architecture includes input circuitry including N links each receiving M timeslots, a two-dimensional matrix of a plurality of switching circuits, the two-dimensional matrix is configured to receive from the input circuitry each of the M timeslots from the N links in a pipelined manner, and output circuitry including N links configured to receive any of the M timeslots from any of the N links from the two-dimensional matrix. The input circuitry, the two-dimensional matrix, and the output circuitry are arranged in a ring architecture therebetween. A link encoding protocol method performed in electrical circuitry includes receiving a plurality of time slots, grouping the plurality of time slots into time slot groups, performing a cyclic redundancy check between adjacent time slot groups, 64/65B encoding the time slot groups, and forward error correction encoding a plurality of 65B codewords from the 64/65B encoding.
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