Microsoft Word - Finding More Non-supersingular Elliptic Curves for Pairing..
نویسنده
چکیده
Multicarrier code-division multiple-access is one of the effective techniques to gain its multiple access capability, robustness against fading, and to mitigate the ISI.In this paper, we propose an improved mulcarrier CDMA system with adaptive subchannel allocation. We analyzed the performance of our proposed system in frequency selective fading environment with narrowband interference existing and compared it with that of parallel transmission over many subchannels (namely, conventional MC-CDMA scheme) and DS-CDMA system. Simulation results show that adaptive subchannel allocation scheme,when used in conventional multicarrier CDMA system, the performance will be greatly improved. Keywords—MC-CDMA, Rayleigh fading, Narrowband interference, Channel estimation.
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Microsoft Word - Finding More Non-supersingular Elliptic Curves for Pairing..
In this paper, an effective sliding mode design is applied to chaos synchronization. The proposed controller can make the states of two identical modified Chua’s circuits globally asymptotically synchronized. Numerical results are provided to show the effectiveness and robustness of the proposed method. Keywords—Sliding mode, Chaos synchronization, Modified Chua’s circuit.
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