Abstract
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In this paper, simultaneous vortex and non-vortex based transmission is
proposed to enhance capacity by covering multiple users. The system
model proposes a cell scenario including new and legacy user equipments
(UEs) for backward compatibility and a geometrical transceiver for
uniform circular array (UCA) and uniform rectangular array (URA). The
proposed scenarios are divided into two different types of
transmissions; vortex based, non-vortex based and a simultaneous vortex
and non-vortex based. The channel model is approximated by dominant
transmission distance. Moreover, modified Bessel function is proposed to
derive channel model giving fair divergence effect with elevation angle.
The performance of simultaneous vortex and non-vortex based
transmissions is derived and simulated in terms of the average capacity
(AC), outage probability (OP), and throughput.