BER Analysis and Performance of MIMO-OFDM System using BPSK Modulation Scheme for Next Generation Communication Systems
Journal Title: International Journal of Engineering Sciences & Research Technology - Year 30, Vol 3, Issue 3
Abstract
In this paper we present an analytical approach to evaluate the Bit error rate (BER) and performance of BPSK (or 2PSK) modulation and MIMO-OFDM system over multipath fading channel is compared and analyzed. In wireless communication systems, complex base-band signals must be converted in to real pass-band signals. Multi-carrier modulation (MC) is a technique for data-transmission by dividing a high-bit rate data stream is several parallel low bit-rate data streams and using these low bit-rate data streams to modulate several carriers. MultiCarrier Transmission has a lot of useful properties such as delay-spread tolerance and spectrum efficiency that encourage their use in broadband wireless communications. OFDM is a multi-carrier modulation technique with densely spaced sub-carriers. This report is intended to provide a tutorial level introduction to OFDM Modulation, its advantages and demerits, and some applications of OFDM. I show the BER for an MIMO and OFDM system with BPSK modulation technique. The Simulation results show that the simulated bit error rate is a good agreement with the theoretical BER for BPSK modulation in OFDM system. All the results obtained are simulated by using the MATLAB.
Authors and Affiliations
Nimay Chandra Giri*
Keywords
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