This paper considers spectrum sharing for wireless communication between a cognitive
radio (CR) link and a primary radio (PR) link. It is assumed that the CR protects the PR …

This paper is concerned with spectrum sharing for wireless communication, where a
secondary or cognitive radio (CR) link communicates over the same bandwidth that has …

A cognitive radio network (CRN) is formed by either allowing the secondary users (SUs) in a
secondary communication network (SCN) to opportunistically operate in the frequency …

In this paper, we consider a cognitive radio (CR) network where a secondary (cognitive)
user shares the spectrum for transmission with a primary (non-cognitive) user over block …

This article provides an overview of the state-of-art results on communication resource
allocation over space, time, and frequency for emerging cognitive radio (CR) wireless …

In this paper, we present interference models for cognitive radio (CR) networks employing
various interference management mechanisms including power control, contention control …

We investigate the dynamic spectrum sharing problem among primary and secondary users
in a cognitive radio network. We consider the scenario where primary users exhibit on-off …

Cognitive radio (CR) has been considered as a promising technology to improve the
spectrum utilization. In this paper we analyze the capacity of a CR network with average …

This paper considers a spectrum underlay network, where an OFDM-based cognitive radio
(CR) system is allowed to share the subcarriers of an OFDMA-based primary system for …

A resource allocation framework is presented for spectrum underlay in cognitive wireless
networks. We consider both interference constraints for primary users and quality of service …