Secure DS-CDMA spreading codes using fully digital multidimensional multiscroll chaos
KAUST DepartmentComputer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
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AbstractThis 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.
CitationMansingka AS, Zidan MA, Radwan AG, Salama KN (2013) Secure DS-CDMA spreading codes using fully digital multidimensional multiscroll chaos. 2013 IEEE 56th International Midwest Symposium on Circuits and Systems (MWSCAS). doi:10.1109/MWSCAS.2013.6674902.
Conference/Event name2013 IEEE 56th International Midwest Symposium on Circuits and Systems, MWSCAS 2013