2 papers
cs.IT2023
Channel Training and Estimation for Reconfigurable Intelligent Surfaces: Exposition of Principles, Approaches, and Open Problems
Bharath Shamasundar, Negar Daryanavardan, Aria Nosratinia
Reconfigurable intelligent surfaces (RIS) are passive controllable arrays of small reflectors that direct electromagnetic energy towards or away from the target nodes, thereby allo…
cs.IT2016
Multiuser Media-based Modulation for Massive MIMO Systems
Bharath Shamasundar, A. Chockalingam
In this paper, we consider {\em media-based modulation (MBM)}, an attractive modulation scheme which is getting increased research attention recently, for the uplink of a massive M…