416 search results - page 13 / 84 » Outage Performance of Cognitive Wireless Relay Networks |
WCNC
2010
IEEE
13 years 11 months ago
2010
IEEE
Abstract—This paper presents a new upper bound on the endto-end signal-to-noise ratio (SNR) of channel-assisted amplifyand-forward (AF) multi-hop relay networks. The harmonic mea...
INFOCOM
2012
IEEE
11 years 10 months ago
2012
IEEE
—Spectrum sharing is an emerging mechanism to resolve the conflict between the spectrum scarcity and the growing demands for the wireless broadband access. In this paper we inve...
INFOCOM
2010
IEEE
13 years 6 months ago
2010
IEEE
—Cognitive Radio Networks (CRNs) have recently emerged as a promising technology to improve spectrum utilization by allowing secondary users to dynamically access idle primary ch...
TSP
2010
13 years 2 months ago
2010
Channel estimation error and co-channel interference (CCI) problems are among the main causes of performance degradation in wireless networks. In this paper, we investigate the im...
ICC
2007
IEEE
14 years 2 months ago
2007
IEEE
Abstract— Cooperation is increasingly regarded as a key technology for tackling the challenges of a practical implementation of cognitive radio. In this paper, we first give a b...