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Abstract In order to investigate and analyze the behavior of 4G and 5G OFDMA cellular networks in real time, it is essential to have a real‐time testbed to emulate these cellular networks. We developed the experimental testbed in this work and proposed a real‐time approach to emulating these networks. We take real‐time measurements in indoor and outdoor environments. From the results, we say the proposed testbed can be used to identify the activity of spectrum occupancy of 4G and 5G cellular systems within a specified time, and one can also test their algorithm, protocols, and solutions using our developed testbed.
Chennamsetty et al. (Mon,) studied this question.