alexa Implementation of BER Performance in SFBC/STBC Based O
ISSN ONLINE(2278-8875) PRINT (2320-3765)

International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering
Open Access

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Research Article

Implementation of BER Performance in SFBC/STBC Based On QAM-OFDM Detection Techniques in OFDM Systems

Ritesh Saraswat1, Vishwajeet Mishra2, Piyush Vyas3, Prof. K. K. Arora4
  1. Associate Professor, Department of ECE, JIET Group of Institutions, Jodhpur, Rajasthan, India
  2. Assistant Professor, Department of ECE, JIET Group of Institutions, Jodhpur, Rajasthan, India
  3. Assistant Professor, Department of ECE, JIET Group of Institutions, Jodhpur, Rajasthan, India
  4. Associate Professor, Department of ECE, JIET Group of Institutions, Jodhpur, Rajasthan, India
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Abstract

Cooperative wireless communication relay networks in OFDM-based systems have been shown to improve performance in various systems using digital modulation techniques as a form of spatial diversity, this method indeed improves the performance in comparison in various aspects of BER and SNR with fixed and random values of input applied on functions on FFT, IFFT, mixing of each other etc. to existing when filtering is necessary for band limited conditions. In this proposed paper, we are implementing the better and updation in results with the mathematical calculation in FFT, IFFT, and mixing of algorithms and terminology interfacing over the range of 256 and 512 – ary QAM OFDM techniques which are useful in communication scenarios. Scattering and conjugate plots are added for 256 and 512ary are implemented for orthogonal transmission, overlapping, narrow band sub channel or sub-carriers, transmitted in parallel data over transmission bandwidth.

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