416 search results - page 3 / 84 » Outage Performance of Cognitive Wireless Relay Networks |
TWC
2010
13 years 29 days ago
2010
In cognitive radio networks, a cognitive source node requires two essential phases to complete a cognitive transmission process: the phase of spectrum sensing with a certain time d...
GLOBECOM
2008
IEEE
13 years 7 months ago
2008
IEEE
Abstract—Cooperative diversity is a useful technique to increase reliability and throughput of wireless networks. To analyze the performance gain from cooperative diversity, outa...
TWC
2010
13 years 29 days ago
2010
The popularity of multimedia multicast/broadcast applications over wireless networks makes it critical to address the error-prone, heterogeneous and dynamically changing nature of ...
ICC
2007
IEEE
14 years 18 days ago
2007
IEEE
Abstract— Cooperative diversiy is a promising technology for future wireless networks. In this paper, based on the moment generating function (MGF), we derive exact closed-form e...
TMC
2010
13 years 4 months ago
2010
—One important application of cooperative communications is to extend coverage area in wireless networks without increasing infrastructure. However, a crucial challenge in implem...