FAST RESULTS IT AMAZING

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FAST RESULTS IT'S AMAZING WHAT YOU CAN ACHIEVE System Software Associates, Inc. 222 Riverside Plz. Chicago IL 60606 FAST RESULTS IT IS AMAZING WHAT YOU CAN ACHIEVE;computer software consulting, computer programming for others and computer software design for others;
 

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Technical Examples
  1. A fast correlator transform (FCT) algorithm and methods and systems for implementing same, correlate an encoded data word (X0-XM?) with encoding coefficients (C0-CM?1), wherein each of (X0-XM?1) is represented by one or more bits and each said coefficient is represented by one or more bits, wherein each coefficient has k possible states, and wherein M is greater than 1. In accordance with the invention, X0 is multiplied by each state (C0(0) through C0(k?1)) of the coefficient C0, thereby generating results X0C0(0) through X0C0(k?1). This is repeating for data bits (X1-XM?1) and corresponding coefficients (C1-CM?1), respectively. The results are grouped into N groups. Members of each of the N groups are added to one another, thereby generating a first layer of correlation results. The first layer of results is grouped and the members of each group are summed with one another to generate a second layer of results. This process is repeated as necessary until a final layer of results is generated. The final layer of results includes a separate correlation output for each possible state of the complete set of coefficients (C0-CM?1). The final layer of results is compared to identify a most likely code encoded on said data word. In an embodiment, the summations are pruned to exclude summations that would result in invalid combinations of the encoding coefficients (C0-CM?1). In an embodiment, substantially the same hardware is utilized for processing in-phase and quadrature phase components of the data word (X0-XM?1). In an embodiment, the coefficients (C0-CM?1) represent real numbers. In an alternative embodiment, the coefficients (C0-CM?1) represent complex numbers. In an embodiment, the coefficients (C0-CM?1) are represented with a single bit. Alternatively, the coefficients (C0-CM?1) are represented with multiple bits (e.g., magnitude). In an embodiment, the coefficients (C0-CM?1) represent a cyclic code keying ("CCK") code set substantially in accordance with IEEE 802.11 WLAN standard.