Performance Assessment of Chaotic Sequence Derived from Bifurcation Dependent Logistic Map in CDMA System
نویسندگان
چکیده
منابع مشابه
Discrete Chaotic Sequence based on Logistic Map in Digital Communications
The chaotic systems have been found applications in diverse fields such as pseudo random number generator, coding, cryptography, spread spectrum (SS) communications etc. The inherent capability of generating a large space of PN sequences due to sensitive dependence on initial conditions has been the main reason for exploiting chaos in spread spectrum communication systems. This behaviour sugges...
متن کاملA Continuous-time Delay Chaotic System Obtained from a Chaotic Logistic Map
This paper presents a procedure to transform a chaotic logistic map into a continuous-time delay chaotic system by using sampled-data representation of continuous-time models. Because of this, the chaotic behavior of the resultant scheme is easy to proofread. A numerical illustration is also realized by utilizing Matlab/Simulink, where the new resultant chaotic attractor is shown.
متن کاملImage encryption using chaotic logistic map
In recent years, the chaos based cryptographic algorithms have suggested some new and efficient ways to develop secure image encryption techniques. In this communication,wepropose a newapproach for image encryption basedon chaotic logisticmaps in order tomeet the requirements of the secure image transfer. In the proposed image encryption scheme, an external secret key of 80-bit and two chaotic ...
متن کاملPerformance of Chaotic Lu System in CDMA Satellites Communications Systems
This paper investigates the problem of spreading sequence and receiver code synchronization techniques for satellite based CDMA communications systems. The performance of CDMA system depends on the autocorrelation and cross-correlation properties of the used spreading sequences. In this paper we propose the uses of chaotic Lu system to generate binary sequences for spreading codes in a direct s...
متن کاملPerformance Enhancement of Mc-ds/cdma System Using Chaotic Spreading Sequence
A novel chaotic spreading sequences for multi-carrier direct sequence code division multiple access (MCDS/CDMA) system is proposed. With this spreading sequence in the MC-DS/CDMA system, the effect of multiple access interference can be mitigated by choosing the spreading sequences with appropriate crosscorrelation properties. The performance of the system is assayed in the multiuser environmen...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: International journal of Computer Networks & Communications
سال: 2016
ISSN: 0975-2293,0974-9322
DOI: 10.5121/ijcnc.2016.8506