416 search results - page 18 / 84 » Outage Performance of Cognitive Wireless Relay Networks |
ADHOC
2007
13 years 7 months ago
2007
Multi-hop relaying in cellular networks can greatly increase capacity and performance by exploiting the best available links to a base station. We envision an environment in which...
ICC
2009
IEEE
14 years 2 months ago
2009
IEEE
— In most wireless relay networks, the source and relay nodes transmit successively via fixed time division (FTD) and each relay forwards a packet immediately upon receiving. In...
WCNC
2010
IEEE
13 years 11 months ago
2010
IEEE
—We study the problem of optimizing the symbol error probability (SEP) performance of cluster-based cooperative wireless sensor networks (WSNs). It is shown in the literature tha...
GLOBECOM
2009
IEEE
13 years 5 months ago
2009
IEEE
Cooperative relaying is a communication technique in wireless networks where neighboring nodes assist communication pairs to mitigate the negative effects of multi-path fading. The...
CISS
2010
IEEE
12 years 11 months ago
2010
IEEE
—This paper presents the system level performance evaluation for energy-detection based cooperative spectrum sensing in cognitive radio networks. Three performance criteria are q...