Reconfigurable deinterleaver/interleaver for block oriented data

Details Reconfigurable deinterleaver/interleaver for block oriented data Reconfigurable deinterleaver/interleaver for block oriented data

1989-04-10

1991-11-05

Heckler, Thomas M.

Boots, shoes, and leggings

364DIG2, 3649571, 3649663, 3649591, G06F 1200

Patent

active

050635336

ABSTRACT:
A reconfigurable deinterleaver for deinterleaving up to N interleaved codewords, each up to M bits in length comprises a memory array, a memory for storing predetermined deinterleaver parameters, a controller, and column and row selector means. The memory array is configured with N bit rows by M bit columns, and is capable of selectably deinterleaving interleaved codewords. The predetermined deinterleaver parameters define the number and length of the interleaved codewords to be deinterleaved. The controller is responsive to the deinterleaver parameters for controlling the writing of interleaved codewords into the memory array and for reading deinterleaved codewords from the memory array. Column and row selector means provide for writing interleaved codewords into, and reading deinterleaved codewords from only a portion of the memory array when smaller data blocks are deinterleaved.

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