A first experimental verification of optimal MAI reduction in chaos-based DS-CDMA systems

Agnelli, F.; Mazzini, G.; Rovatti, Riccardo; Setti, Gianluca

doi:10.1109/iscas.2001.921265

Cited by 7 publications

(2 citation statements)

References 11 publications

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“…Fully digital multiscroll chaos can provide repeatable chaotic spreading codes while also having complex dynamical behavior that provides security over communication channels [12]. Chaotic * A. S. Mansingka is currently with Oracle Corporation, Redwood, CA, USA spreading sequences surpass m-sequences and Gold codes [23] and it is already well-known that fully orthogonal Walsh codes perform very poorly in a multipath environment because of poor cross-correlation properties under delay [24]. This paper introduces a generalized hardware implementation of multidimensional multiscroll chaos with an application as spreading code in DS-CDMA by concatenating the lowsignificance bits of the three dimensional output to generate a sequence that passes all the NIST SP.…”

Section: Introductionmentioning

confidence: 99%

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

Mansingka

Zidan

Radwan

et al. 2013

2013 IEEE 56th International Midwest Symposium on Circuits and Systems (MWSCAS)

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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.

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Section: Introductionmentioning

confidence: 99%

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

Mansingka

Zidan

Radwan

et al. 2013

2013 IEEE 56th International Midwest Symposium on Circuits and Systems (MWSCAS)

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“…In the engineering fields, the research of chaotic dynamical system and its application in secrecy communication aroused great interests [1][2][3][4][5][6][7][8]. Obtain a chaotic system that has complex dynamical characteristic and topological structure is an important precondition for chaotic research and application.…”

Section: Introductionmentioning

confidence: 99%

Six-Dimensional Chaotic System and its Circuit Implementation

Zhu

Wang

Kang

2011

AMR

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In order to generate complex chaotic attractors, a six-dimensional chaotic system is designed, which contains six parameters and each equation contains a nonlinear product term. When its parameters satisfy certain conditions, the system is chaotic. By Matlab numerical simulation, chaotic attractor and relevant Lyapunov exponents spectrum can be obtained, which validates that the system is chaotic. And, time domain waveform and power spectrum are shown. Finally, the implementation circuit of this system is designed, and circuit simulation can be done by using Multisim. Circuit simulation result is identical to system simulation completely. The circuit has a practical significance in secrecy communication and correlative fields.

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Hyperchaotic Secrete Communication Based on Wien-Bridge Circuit and its DSP Realization

Lü

2006

2007 Chinese Control Conference

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A first experimental verification of optimal MAI reduction in chaos-based DS-CDMA systems

Abstract: ---

Cited by 7 publications

References 11 publications

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

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

Six-Dimensional Chaotic System and its Circuit Implementation

Hyperchaotic Secrete Communication Based on Wien-Bridge Circuit and its DSP Realization

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