Combinatorial optimization problems are often encountered in real-world applications, including logistics, scheduling and ...
Abstract: Spectrum scarcity and energy limitation are becoming two critical issues in designing Internet of Things (IoT). As two promising technologies, cognitive radio (CR) and radio frequency (RF) ...
Abstract: This paper focuses on the covariance-based activity detection problem in a multi-cell massive multiple-input multiple-output (MIMO) system. In this system, active devices transmit their ...
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