Spectrum Control has introduced the Weinschel™ 8401-16E 16×16 Butler Matrix, a passive beamforming network for MIMO systems ...
Abstract: As a fundamental technique in array signal processing, beamforming plays a crucial role in amplifying signals of interest (SoI) while mitigating interference plus noise (IPN). When ...
Abstract: This paper investigates robust secure beamforming design for active reconfigurable intelligent surface (RIS)-aided cognitive radio non-orthogonal multiple access (CR-NOMA) networks, which ...
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