Subspace-based blind and semi-blind channel estimation for OFDM systems

By B. Muquet, M. D. Courville, Pierre Duhamel. IEEE Transactions on Signal Processing, 2002

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EVD-based channel estimation in multicell multiuser MIMO systems with very large antenna arrays (2012, methodology): “This approach requires a particular structure on the transmitted signal or system model, for example that the sig nals are coded using orthogonal space-time block codes [6] [7].”
A Survey on High Mobility Wireless Communications: Challenges, Opportunities and Solutions (2016, methodology): “The blind channel estimations are realized by using the statistics of the received data [56], the cyclic prefix (CP) [61], the virtual carriers [62], and receiver diversity [57].”
A Comprehensive Survey of Pilot Contamination in Massive MIMO—5G System (2016, neutral): “blind [51], [52] based techniques.”
A Survey on Wireless Security: Technical Challenges, Recent Advances, and Future Trends (2015, methodology): “Since Alice and Bob can directly estimate hba and hab, respectively, using classic channel estimation methods [147], [148], they may exploit their estimated CSIs ĥba and ĥab for the secret key generation and agreement process.”
Blind Channel Estimation for MIMO-OFDM Systems (2007, methodology): “In this paper, we unify and generalize the SISO-OFDM subspace methods in [53] and [54] to the case of blind channel estimation for spatial multiplexing MIMO-OFDM systems with”