Abstract: As a promising technology for 6G networks, ultra-massive multiple-input multiple-output (UM-MIMO) faces substantial problems such as wavefront mismatch, high computational complexity, and ...

Abstract: This paper proposes a hybrid beamforming framework for massive multiple-input multiple-output (MIMO) in near-space airship-borne communications. To achieve high energy efficiency (EE) in ...

The Paho Java Client is an MQTT client library written in Java for developing applications that run on the JVM or other Java compatible platforms such as Android The Paho Java Client provides two APIs ...