Abstract:In this paper, a matrix form of the radix-4 Discrete Hartly Transform (DHT) algorithm is derived. And two Process Element (PE) circuits are proposed for the variable-length application. One is for radix-2 with one real multiplier and three adders, and the other is for radix-4 with one real multiplier and seven adders. The radix-4 DHT processor of variable-length, namely, 8192/4096/2048/1024/512, meets the DMT-VDSL and ADSL requirements. Only six real multipliers, 2.01N (16467) registers and simple logic circui… Show more
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