In this paper, we study the effective capacity (EC) of cognitive radio (CR) networks operating
under statistical quality-of-service (QoS) constraints in an attempt to support real-time …

We investigate instantaneous transmission rate strategies for secondary users in cognitive
radio networks by analyzing their effective capacity performance in different signal-to-noise …

In this paper, we study the quality-of-service (QoS) support for realtime traffic in cognitive
radio (CR) networks when spectrum availability and quality is not known a priori. A resource …

Uncertain capacity in newly emerged Cognitive Radio Networks (CRN) renders specific
performance analysis for the secondary users (SUs), particularly in the aspects of Quality-of …

Cognitive radio (CR) design aims to increase spectrum utilization by allowing the secondary
users (SUs) to coexist with the primary users (PUs), as long as the interference caused by …

Cognitive radios have emerged as a key enabler for opportunistic spectrum access, in order
to tackle the wireless spectrum scarcity and under utilization problems over the past two …

In this paper, an access scheme for cognitive radio networks is proposed in which
secondary users (SUs) make use of the primary user (s)(PUs) channel quality feedback …

In this paper, we investigate the power and rate-control schemes for multiple cognitive radio
(CR) links in the same neighborhood, which operate over multiple channels (frequency …

It is widely believed that cognitive radio (CR) networks have an opportunistic nature and
therefore can only support best-effort traffics without quality-of-service (QoS) guarantees. In …

We study the performance of a cognitive underlay system (US) that employs a power control
mechanism at the secondary transmitter (ST) from a deployment perspective. Existing …