Patent ID: 8169890
Filing Date: 2012-05-01
Classification: H04B,H04J

Abstract:
1. An apparatus for communication comprising: a serial to parallel converter configured to receive a serial data stream and convert the serial data stream into a plurality of parallel data streams; a first permuter coupled with the serial to parallel converter, the first permuter configured to permute the plurality of parallel data streams into n permuted parallel data streams; a fast Walsh transformer coupled with the first permuter, the fast Walsh transformer configured to transform the n permuted parallel data streams into a plurality of transformed parallel data streams, wherein the fast Walsh transformer comprises n inputs that receive the n permuted parallel data streams and at least one additional input that receives a zero value; a second permuter coupled with the fast Walsh transformer, the second permuter configured to permute the plurality of transformed parallel data streams into a second plurality of parallel data streams; and a parallel to serial converter coupled with the second permuter, the parallel to serial converter configured to convert the second plurality of parallel data streams to a serial data stream.