A Comparative Analysis of LS and MMSE Channel Estimation Techniques for MIMO-OFDM System

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Provided by: International Journal for Innovative Research in Science and Technology (IJIRST)
Topic: Mobility
Format: PDF
In this paper, the authors reviewed up channel estimation accuracy in OFDM (Orthogonal Frequency Division Multiplexing) system as a result of channel state info is needed for detection at receiver and its accuracy affects the performance of system and it's essential to improve the channel estimation for a lot of reliable communications. OFDM system was chosen during this paper because it's been wide used now-a-days owing to its high knowledge rate, data rate and its adequate performance in frequency selective attenuation channels.
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