Enhanced channel estimation using Cyclic Prefix in MIMO STBC OFDM sytems

  title={Enhanced channel estimation using Cyclic Prefix in MIMO STBC OFDM sytems},
  author={Ahmed Abdul Quadeer and Muhammad S. Sohail},
  journal={The 10th IEEE International Symposium on Signal Processing and Information Technology},
Channel estimation is an important part of any receiver design. This paper presents an improved iterative joint channel estimation and data detection algorithm for Space Time Block Coded (STBC) MIMO OFDM systems in fast fading environments. The algorithm utilizes both time and frequency correlation information. We show how the Cyclic Prefix (CP) can be used to enhance the joint channel estimation and data detection process. We present two variations of the Expectation Maximization (EM) based… CONTINUE READING
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