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Deolia, Vinay Kumar
- Performance Analysis of Chaos Based Interleaver in IDMA System
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1 Department of Electronics and Communication Engineering, GLA University, IN
1 Department of Electronics and Communication Engineering, GLA University, IN
Source
ICTACT Journal on Communication Technology, Vol 7, No 4 (2016), Pagination: 1397-1401Abstract
Chaos are wide spread in nature, furthermore its use in the field of communication drew attention in early 90's and recently chaos based spread spectrum (SS) communication become an interesting area of research. Based on the research; this paper presents the study of chaos theory and then leads the discussion towards the chaos based SS system. Interleave Division Multiple Access (IDMA) based spread spectrum has been considered for performance analysis. First it reviewed the role of chaos in spread spectrum communication and then discussion extends to chaos based IDMA, which is relatively a new and promising technique in this area. Simulation results verify that chaos based IDMA can achieve good BER performance as well as offers less computational complexity.Keywords
Chaos, Spread Spectrum System, CBDSS, Bifurcation, IDMA.
- Performance Improvement of IDMA Scheme Using Chaotic Map Interleavers for Future Radio Communication
Abstract Views :226 |
PDF Views:3
Authors
Affiliations
1 Department of Electronics and Communications Engineering, Institute of Engineering and Technology, GLA University, IN
1 Department of Electronics and Communications Engineering, Institute of Engineering and Technology, GLA University, IN
Source
ICTACT Journal on Communication Technology, Vol 8, No 2 (2017), Pagination: 1485-1490Abstract
In this paper, chaos based interleavers are proposed for the performance improvement of Interleave Division Multiple Access (IDMA henceforth) for future radio communication (FRC) requirements. 'IDMA' can be mean as the modified case of direct sequence code division multiple access (DS-CDMA) with the same spreading sequences and user specific interleavers for distinguishing the users in multi-user environment. In IDMA systems, the roles of interleavers are pre-eminent and an efficient interleaver contributes in optimizing the system performance. Random interleaver is the popular and basic taxonomy in IDMA. The performance of chaos based interleavers is compared to random interleaver. Simulation results authenticate the performance of chaos based IDMA. Further the proposed chaotic map-interleavers have the less computational complexity and efficient in bandwidth compared to the existing prevailing interleaver algorithms in the domain. The IDMA system model uses a BPSK modulation and repetition coder with a code rate of ½. The system is simulated in MATLAB and results show the BER superiority of chaotic interleaver based IDMA without the need of extra storage resources and less computational complexity.Keywords
IDMA, Chaos, Tent Map, Logistic Interleaver, CDMA.References
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