148 search results - page 11 / 30 » Anti-jamming performance of cognitive radio networks |
103
click to vote
TSP
2011
14 years 4 months ago
2011
—In this paper, we investigate a selective relay spectrum sensing and best relay data transmission (SRSS-BRDT) scheme for multiple-relay cognitive radio networks. Specifically, ...
107
click to vote
TSP
2012
13 years 5 months ago
2012
Abstract—We consider a robust downlink beamforming optimization problem for secondary multicast transmission in a multiple-input multiple-output (MIMO) spectrum sharing cognitive...
115
click to vote
TSP
2012
13 years 5 months ago
2012
—In a cognitive radio network, opportunistic spectrum access (OSA) to the underutilized spectrum involves not only sensing the spectrum occupancy but also probing the channel qua...
95
Voted
TWC
2011
14 years 4 months ago
2011
In cognitive radio networks, each cognitive transmission process typically requires two phases: the spectrum sensing phase and data transmission phase. In this paper, we investiga...
CORR
2010
Springer
14 years 9 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...