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https://doi.org/10.1109/TSP.2005.861073

has been cited by the following article:

• TITLE: Linear MMSE Channel Estimation for Underlay Cognitive Radio Networks

  AUTHORS: Lucas Claudino, Taufik Abrão

  KEYWORDS: Cognitive Radio Networks (CRNs), Channel Estimation, MIMO Channel Estimation Error, Precoding, Sum-Rate Maximization

  JOURNAL NAME: Journal of Computer and Communications, Vol.10 No.8, August 12, 2022

  ABSTRACT: Channel estimation techniques applied to cognitive radio networks (CRN) are analyzed for simultaneously primary and secondary channel estimations operating in underlay cognitive radio networks (uCRN). A complete base-band transmission including pilot sequence transmission, channel matrix estimation and optimal precoder matrix generation based on imperfect channel estimation are described. Also, the effect of imperfect channel estimation has been studied to provide means of developing techniques to overcome problems while enhancing the MIMO communication performance.