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Content Provider | IEEE Xplore Digital Library |
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Author | Colavito, L. Silage, D. |
Copyright Year | 2009 |
Abstract | Simulation of digital communication systems for the evaluation of bit error rate (BER) and other performance characteristics can be accelerated if the processing is implemented in programmable gate array (PGA) hardware. These simulations often require one or more Gaussian distributed pseudorandom number sources. Although uniformly distributed pseudorandom number sources can be readily implemented, Gaussian sources are not as easily configured. A typical method is to build a uniform source and transform the distribution to Gaussian. The inversion method accomplishes the transformation by the application of the inverse Gaussian cumulative distribution function (IGCDF). The IGCDF is easily obtained by the use of a look-up table (LUT). However, the memory required for the LUT can become large if it is to accurately represent the IGCDF. In this paper we demonstrate a method that can reduce the size of this LUT while allowing for control of the accuracy. |
Starting Page | 314 |
Ending Page | 319 |
File Size | 317627 |
Page Count | 6 |
File Format | |
ISBN | 9781424452934 |
DOI | 10.1109/ReConFig.2009.12 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2009-12-09 |
Publisher Place | Mexico |
Access Restriction | Subscribed |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Pseudo-Random Number Computational modeling Bit error rate FPGA Gaussian distribution Table lookup Character generation Digital communication Hardware Gaussian Field programmable gate arrays Electronics packaging Distribution functions |
Content Type | Text |
Resource Type | Article |
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