Mathematics
Channel Equalization
100%
Channel Estimation
95%
Orthogonal Frequency Division multiplexing (OFDM)
88%
Doppler
38%
Path
36%
Estimation Algorithms
33%
Receiver
32%
Transmit Diversity
26%
Time-varying
25%
Symbol Error Rate
23%
Rayleigh Fading
22%
Underwater Acoustics
21%
Channel Model
20%
Equalization
20%
Fading
18%
Transmitter
18%
Expectation Maximization
17%
Scaling Factor
17%
Maximum a Posteriori
17%
Attenuation
16%
Antenna
16%
Legendre polynomial
15%
Frequency Domain
14%
Experimental Data
13%
Mean square error
13%
Coding
13%
Computer Simulation
13%
Transfer Function
13%
Estimate
12%
Model-based
12%
Requirements
10%
Underwater Acoustic Communication
8%
Performance
7%
Form
5%
Model
4%
Engineering & Materials Science
Underwater acoustics
64%
Channel estimation
54%
Orthogonal frequency division multiplexing
48%
Communication
27%
Lakes
15%
Rayleigh fading
14%
Refining
13%
Mean square error
12%
Transfer functions
12%
Transmitters
11%
Polynomials
10%
Antennas
8%
Computer simulation
7%