346 search results - page 21 / 70 » Location-dependent performance of cooperative networks with ... |
TWC
2010
13 years 4 months ago
2010
In wireless cooperative networks, the asynchronism between the relays can be a source of diversity which is similar in its essence to the multipath diversity of frequency selectiv...
ICC
2007
IEEE
14 years 4 months ago
2007
IEEE
Abstract— We introduce the concept of fairness at the physicallayer in amplify and forward cooperative diversity systems, which reflects the need for equally allocating the cons...
CORR
2010
Springer
13 years 6 months ago
2010
Springer
Power management is one of the vital issue in wireless sensor networks, where the lifetime of the network relies on battery powered nodes. Transmitting at high power reduces the l...
CISS
2010
IEEE
13 years 1 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...
GLOBECOM
2008
IEEE
13 years 10 months ago
2008
IEEE
Efficient and reliable power allocation algorithm in Cognitive radio (CR) networks is a challenging problem. Traditional water-filling algorithm is inefficient for CR networks due ...