Relay Selection and Power Allocation with QoS Support for Secondary Users in Cognitive Radio Networks

DOI

10.2991/icmit-16.2016.33How to use a DOI?

Keywords

power allocation, relay selection, cognitive radio networks, quality-of-service (QoS).

Abstract

In this paper, we study the problem of joint relay selection and power allocation in a cognitive radio (CR) network. Different from conventional algorithms that only aim at maximizing source node utility, we also take into account the utility of the SU which acts as the relay. On the premise of meeting the quality of service (QoS) requirements of the source and the relay, our goal is to maximize the system throughput subject to primary user (PU) received interference power constraints and total transmit power constraints on the source and the relay. In the context, two scenarios where the relay node involves relay diversity and dual-hop transmission are considered respectively. Furthermore, simulation results and comparisons are presented to illustrate the performance of the proposed schemes.

Copyright

© 2016, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

Download article (PDF)

TY  - CONF
AU  - Yu Yang
PY  - 2016/04
DA  - 2016/04
TI  - Relay Selection and Power Allocation with QoS Support for Secondary Users in Cognitive Radio Networks
BT  - Proceedings of the 2016 3rd International Conference on Mechatronics and Information Technology
PB  - Atlantis Press
SP  - 178
EP  - 186
SN  - 2352-538X
UR  - https://doi.org/10.2991/icmit-16.2016.33
DO  - 10.2991/icmit-16.2016.33
ID  - Yang2016/04
ER  -