88 search results - page 10 / 18 » Cooperative Relay for Cognitive Radio Networks |
EJWCN
2010
13 years 2 months ago
2010
A tactical radio network is a radio network in which a transmitter broadcasts the same information to its receivers. In this paper, dynamic spectrum management is studied for multi...
TSP
2010
13 years 2 months ago
2010
Effective spectrum sensing is a critical prerequisite for multi-channel cognitive radio (CR) networks, where multiple spectrum bands are sensed to identify transmission opportuniti...
SECON
2008
IEEE
14 years 2 months ago
2008
IEEE
— Previous results show that a node’s throughput scales poorly as the network size increases when every node has traffic. However, in many cases, only a fraction of nodes in l...
VTC
2010
IEEE
13 years 6 months ago
2010
IEEE
—A simple cooperative diversity technique is applied to point-to-multipoint communication in wireless medium suffering from Rayleigh block fading. Such a concept is especially in...
CORR
2010
Springer
13 years 7 months ago
2010
Springer
This paper considers the problem of spectrum sensing in cognitive radio networks when the primary user is using Orthogonal Frequency Division Multiplexing (OFDM). For this we devel...