Interleaver, deinterleaver, interleaving method, and...

Details Interleaver, deinterleaver, interleaving method, and... Interleaver, deinterleaver, interleaving method, and...

2006-09-06

2008-09-30

Pezzlo, John (Department: 2619)

Multiplex communications

Pathfinding or routing

Fdm switching

C370S204000, C370S429000, C375S223000

Reexamination Certificate

active

07430215

ABSTRACT:
An interleaver and interleaving method each includes two stages, and is useful in coded orthogonal frequency division multiplexed (COFDM) wireless local area networks. A first stage performs a first block permutation and a second stage performs bit order permutation to effectuate a second group permutation. A corresponding de-interleaver does just the opposite at the receiver. A double-buffer version includes writing data into one memory block in a first order while reading data from the second block in a second order, with the first and second orders selected to effectuate the first block permutation.

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