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Orthogonal Frequency Division Multiplexing-Multiple Input Multiple Output Channel Estimation for Rayleigh and Rician Channel Models

  • R. B. Hussana JoharEmail author
  • B. R. Sujatha
Conference paper
Part of the Lecture Notes in Networks and Systems book series (LNNS, volume 98)

Abstract

Mobile users experience the effect of change involved in channel characteristics. System delay leads the outdated channel state information (CSI) and that will be used for adaptive modulation techniques. By using adapt modulation techniques can predict the future CSI with the help of channel prediction approaches. The primary contribution of this paper is a low complexity channel prediction method using polynomial approximation. In this paper, orthogonal frequency division multiplexing (OFDM) is designed for radio band communication to moderate inter symbol interference and thus increase the system capacity. A comparison of MIMO-OFDM using BPSK and QAM on Rayleigh and Rician channels, by designing the STCP estimators through a 2 × 2 multi antenna system using MATLAB is done.

Keywords

Orthogonal frequency division multiplexing (OFDM) Additive white gaussian noise (AWGN) Minimum mean square estimator (MMSE) Spatial Temporal channel prediction (STCP) 

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Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  1. 1.Department of ECEMalnad College of EngineeringHassanIndia

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