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03/30/2022
Near-Field Communications for 6G: Fundamentals, Challenges, Potentials, and Future Directions
Extremely large antenna array (ELAA) is a common feature of several key ...
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09/21/2021
Codebook Design and Beam Training for Extremely Large-Scale RIS: Far-Field or Near-Field?
Reconfigurable intelligent surface (RIS) can improve the capacity of the...
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09/16/2021
Channel Estimation for Extremely Large-Scale Massive MIMO: Far-Field, Near-Field, or Hybrid-Field?
Extremely large-scale massive MIMO (XL-MIMO) is a promising technique fo...
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01/23/2021
Channel Estimation for RIS Assisted Wireless Communications: Part II – An Improved Solution Based on Double-Structured Sparsity
Reconfigurable intelligent surface (RIS) can manipulate the wireless com...
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01/23/2021
Channel Estimation for RIS Assisted Wireless Communications: Part I – Fundamentals, Solutions, and Future Opportunities
The reconfigurable intelligent surface (RIS) with low hardware cost and ...
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10/28/2019