Secure DS-CDMA spreading codes using fully digital multidimensional multiscroll chaos

Abhinav S. Mansingka, Ahmed Gomaa Radwan, Khaled N. Salama, Mohammed A. Zidan

Research output: Chapter in Book/Report/Conference proceedingConference contribution

6 Scopus citations

Abstract

This paper introduces a generalized fully digital hardware implementation of 1-D, 2-D and 3-D multiscroll chaos through sawtooth nonlinearities in a 3rd order ODE with the Euler approximation, wherein low-significance bits pass all NIST SP. 800-22 tests. The low-significance bits show good performance as spreading code for multiple-access DS-CDMA in AWGN and multipath environments, equivalent to Gold codes. This system capitalizes on complex nonlinear dynamics afforded by multiscroll chaos to provide higher security than conventional codes with the same BER performance demonstrated experimentally on a Xilinx Virtex 4 FPGA with logic utilization less than 1.25% and throughput up to 10.92 Gbits/s.
Original languageEnglish (US)
Title of host publication2013 IEEE 56th International Midwest Symposium on Circuits and Systems (MWSCAS)
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages1334-1338
Number of pages5
ISBN (Print)9781479900664
DOIs
StatePublished - Dec 4 2013

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