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Issue No.03 - March (1998 vol.47)
pp: 363-368
<p><b>Abstract</b>—A bipartite concentrator is a single stage sparse crossbar switching device that can connect any <it>m</it> of its <it>n</it>≥<it>m</it> inputs to its <it>m</it> outputs, possibly without the ability to distinguish their order. Fat-and-slim crossbars were introduced recently to show that bipartite concentrators can be constructed with a minimum number of crosspoints for any number of inputs and outputs. We generalize these graphs to obtain bipartite concentrators with nearly a fixed fanout without altering their (<it>n</it><tmath>$-$</tmath><it>m</it> + 1)<it>m</it> crosspoint complexity. We also present an <it>O</it>(log <it>n</it>)-time algorithm to route arbitrary concentration assignments on this new family of fat-and-slim crossbars.</p>
Bipartite graph, concentrator, crosspoint complexity, regular sparse crossbar.
Weiming Guo, A. Yavuz Oruç, "Regular Sparse Crossbar Concentrators", IEEE Transactions on Computers, vol.47, no. 3, pp. 363-368, March 1998, doi:10.1109/12.660174
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