Physical Layer Security in
$K$
-Tier Heterogeneous Cellular Networks Over Nakagami-
$m$
Channel During Uplink and Downlink Phases
2016 ◽
Vol 13
(Supplement2)
◽
pp. 120-130
◽
2020 ◽
Vol 69
(3)
◽
pp. 3021-3033
2016 ◽
Vol 64
(3)
◽
pp. 1204-1219
◽
2015 ◽
Vol 12
(Supplement)
◽
pp. 166-173
◽