… layer security under the outage constraint of the primary user (PU) receiver and interference
from … In particular, a secondary user (SU) transmitter sends confidential messages to trusted …

… incentive to enhance the physical layer security. The concept behind is that a legitimate …
pair, referred to as primary network (PN), as a reward. Meanwhile, the ST has to secure its own …

… secondary user selection to enhance the security of primary users… In order to achieve multiuser
gain, two secondary user … the interference at primary user via secondary user selection in …

… in order to calculate the interference from the secondary users to the primary users and the
… and IP is the interference power at the primary receiver from the secondary users. We now …

… -layer security in a cognitive radio network where both the secondary user (SU) and the primary
user (PU) are facing security … as a friendly jammer to interfere with the eavesdroppers by …

… rate subject to interference power constraints at the primary user (PU) under available
channel knowledge. In [19], secure communications with untrusted secondary users in CR …

… -layer security (PLS) for CRNs is provided. Some of the major attacks over the physical layer
of CRN are presented, such as primary user … not to exceed the interference level that the PU …

We evaluate and quantify the joint effect of fading and multiple interferers on the physical-layer
(PHY) security of a system consisting of a base-station (BS), a legitimate user, and an …

… (DSA) approach [1], CR users, also designated as secondary users (SUs), are able to … way
to the primary users (PUs) and without causing them any harmful interference. The accurate …

… Thus, in this article, the physical layer security issues of two primary attacks, jamming and …
jamming signal along with interference among users. Also, an AN scheme is proposed for the …