Significant Implementation of LS and MMSE Channel Estimation for OFDM Technique

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Provided by: International Journal of Engineering Research and Applications (IJERA)
Topic: Software
Format: PDF
During the last few years, the progress in wireless communication is widely increasing to mitigate the ever increasing demand of higher data rates. OFDM (Orthogonal Frequency Division Multiplexing) techniques using more densely packed carriers, thus achieving higher data rates using similar channels. This paper discusses the channel estimation in OFDM and its implementation using MATLAB for pilot based block type channel estimation techniques by LS and MMSE algorithms. This paper starts with comparisons of OFDM using BPSK and QPSK on different channels, followed by modeling the LS and MMSE estimators on MATLAB.
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