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In database-driven spectrum sharing for 5G mobile networks, a primary user (PU) may experience harmful interference caused by unpredictable propagation paths, even when secondary users (SUs) follow a spectrum sharing policy established on the basis of a database. A framework for determining the optimal radius of a circular primary exclusive region (PER) on the basis of SU's information has been proposed...
Interference management is indispensable for dense wireless networks to improve system performance. Reduction in spatial channel overlap is one of the most effective approaches, which leads to an increase in the transmission opportunity of each access point (AP) and mitigation of channel interference at a reception point. In this paper, coverage overlap is modeled as a subset of two-dimensional Euclidean...
This paper proposes frame length optimization for wireless local area networks (WLANs) using an in-band full-duplex system that enables a WLAN access point and stations to transmit and receive frames at the same time on the same frequency channel. In in-band full-duplex WLANs, a primary sender which captures the channel transmits a frame to the intended receiver called a secondary sender and then...
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