Multi-Scale Single-Bit RP-EMS Synthesis for Advanced Propagation Manipulation Through System-by-Design
| Autor: | Giacomo Oliveri, Paolo Rocca, Marco Salucci, Danilo Erricolo, Andrea Massa |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2022 |
| Předmět: |
Signal Processing (eess.SP)
Electromagnetic (EM) holography iterative projection method metamaterials next-generation communications reconfigurable Em skins reconfigurable intellingent surfaces System-By-Design (SbD) FOS: Physical sciences Systems and Control (eess.SY) Applied Physics (physics.app-ph) Physics - Applied Physics Electrical Engineering and Systems Science - Systems and Control iterative projection method Electromagnetic (EM) holography metamaterials System-By-Design (SbD) FOS: Electrical engineering electronic engineering information engineering next-generation communications reconfigurable intellingent surfaces Electrical Engineering and Systems Science - Signal Processing Electrical and Electronic Engineering reconfigurable Em skins |
| Popis: | A new method for synthesizing Single-Bit Reconfigurable Passive Electromagnetic Skins (1RP-EMSs) featuring advanced beam shaping capabilities is proposed. By using single-bit unit cells, the multi-scale problem of controlling 1RP-EMSs is formulated as a two-phase process. First, the macro-scale synthesis of the discrete surface current that radiates the electromagnetic (EM) field fitting user-designed requirements is performed by means of an innovative quantized version of the iterative projection method (QIPM). Successively, the meta-atom states of the 1RP-EMS are optimized with a customized implementation of the System-by-Design paradigm to yield a 1RP-EMS that supports such a feasible reference current. A representative set of numerical results is reported to assess the effectiveness of the proposed approach in designing and controlling single-bit meta-atom RP-EMSs that enable complex wave manipulations. |
| Databáze: | OpenAIRE |
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