Paper Info
Title
Capacity scaling law by multiuser diversity in cognitive radio systems
Abstract
This paper analyzes the multiuser diversity gain in a cognitive radio (CR) system where secondary transmitters opportunistically utilize the spectrum licensed to primary users only when it is not occupied by the primary users. To protect the primary users from the interference caused by the missed detection of primary transmissions in the secondary network, minimum average throughput of the primary network is guaranteed by transmit power control at the secondary transmitters. The traffic dynamics of a primary network are also considered in our analysis. We derive the average achievable capacity of the secondary network and analyze its asymptotic behaviors to characterize the multiuser diversity gains in the CR system.
Year
DOI
Venue
2010
10.1109/ISIT.2010.5513392
Clinical Orthopaedics and Related Research
Keywords
DocType
Volume
capacity scaling law,cognitive radio system,diversity reception,radio transmitters,secondary transmitters,traffic dynamics,cognitive radio,multiuser diversity gain,primary transmission detection,telecommunication traffic,interference,transmit power control,throughput,chromium,sensors,power control,upper bound,quality of service,fading
Journal
abs/1006.0544
ISBN
Citations 
PageRank 
978-1-4244-7891-0
6
0.50
References 
Authors
11
2
Name
Order
Citations
PageRank
Jun-Pyo Hong19911.46
Wan Choi228025.77