Engineering & Materials Science
Cognitive radio
100%
Radio systems
57%
Transceivers
48%
MIMO systems
48%
Base stations
44%
Channel state information
37%
Uncertainty
32%
Electric power utilization
28%
Channel estimation
26%
Communication
23%
Antennas
23%
Outages
18%
Signal to noise ratio
10%
Computational complexity
10%
Energy efficiency
10%
Beamforming
10%
Quality of service
8%
Geometry
7%
Systems analysis
7%
Networks (circuits)
7%
Mathematics
Cognitive Radio
93%
Sensing
70%
Spectrum Sensing
42%
Design
31%
Spectrum Sharing
15%
Channel State Information
14%
Uplink
13%
Communication
13%
Multiple Antennas
12%
Covariance Information
12%
Outage Probability
12%
Beamforming
11%
Quality of Service
11%
System Design
9%
Receiver
8%
Optimal Rates
8%
Interference
8%
Scenarios
6%
Closed-form
6%