In this paper, we investigate joint impacts of hardware impairments, imperfect channel state
information (CSI) and interference constraints at secondary users in an underlay decode …

In this paper, we analyze the performance of a cognitive decode-and-forward multi-relay
network (CDFMRN) with a direct link under the joint impact of transceiver hardware …

This paper proposes an exact and limit analysis framework for numerically assessing the
outage performance of the maximum ratio combining in cooperative cognitive networks with …

In this letter, we analyze the performance of cognitive amplify-and-forward multirelay
networks with active direct link in the presence of relay transceiver hardware impairments …

In this paper, we explore the underlay cognitive relay networks in the presence of hardware
impairment. To avoid interfering with the primary user's communications, the transmission …

Cognitive relay technology has been envisioned as a promising transmission scheme to
enhance the reliability and coverage of secondary networks. However, the performance of …

Influence of channel information imperfection on outage probability of cooperative cognitive
networks with partial relay selection over independent and non-identical Rayleigh fading …

This paper evaluates outage probability (OP) of a cooperative underlay cognitive radio
network in the presence of a passive secondary eavesdropper under joint impacts of limited …

This paper investigates the effect of imperfect channel information on the outage
performance of underlay cooperative cognitive networks with reactive relay selection under …

This study first modifies the traditional partial relay selection in cooperative cognitive
networks to prevent error propagation and then proposes exact and asymptotic outage …