ITC/USA 2007 Conference Proceedings / The Forty-Third Annual International Telemetering Conference and Technical Exhibition / October 22-25, 2007 / Riviera Hotel & Convention Center, Las Vegas, Nevada / This paper investigates the sum-rate capacity of a cognitive multiple access (MAC) sensor network.
The multiple access network consists of K sensors communicating to a common base station.
Outside of the network exists another user of the radio spectrum. Each sensor of the MAC network
is aware (i.e. cognitive) of this user, denoted the primary user, and transmits in a manner to avoid
any interference to this user. No interference transmission is achieved using the dirty-paper coding
technique. The sum-rate capacity is the theoretical maximum of the sum of the simultaneously
achievable rates of each sensor within the network. Using a recently derived iterative algorithm,
we quantify the sum-rate capacity of this network and investigate its behavior as a function of the
number of sensors, cognitive signal-to-noise ratio (CSNR) and primary SNR (PSNR) in a Rayleigh
fading environment. We also derive bounds and scaling results for the ergodic sum-rate capacity.
| Identifer | oai:union.ndltd.org:arizona.edu/oai:arizona.openrepository.com:10150/604466 |
| Date | 10 1900 |
| Creators | Panagos, Adam, Kosbar, Kurt |
| Contributors | Dynetic, Inc., University of Missouri |
| Publisher | International Foundation for Telemetering |
| Source Sets | University of Arizona |
| Language | en_US |
| Detected Language | English |
| Type | text, Proceedings |
| Rights | Copyright © held by the author; distribution rights International Foundation for Telemetering |
| Relation | http://www.telemetry.org/ |
Page generated in 0.0026 seconds