Spherical Large Intelligent Surfaces

07/05/2019

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by   Sha Hu, et al.

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As an emerging technology, large intelligent surfaces (LIS) have gain much interest recently. Earlier proposed LISs are in two-dimensional (2D) forms and act as electromagnetic planar surfaces transmitting and receiving radiating signals. In this letter, we extend LIS to be three-dimensional (3D) and deployed as a spherical surface. Compare to a planar LIS, a spherical LIS have many advantages in terms of better coverage, higher averaged received signal strength (RSS), simpler positioning of terminals, and flexible implementations as passive reflector.