Keyphrases
Bit Error Rate
100%
Quadrature Amplitude Modulation
100%
Rayleigh Fading
100%
Channel Estimation Error
100%
Bit Error Rate Performance
100%
Multilevel Quadrature
100%
Pilot Symbol Assisted Modulation
75%
Estimation Error
50%
Demodulator
50%
Fading Channels
25%
Analytical Results
25%
Average Signal-to-noise Ratio
25%
Channel Fading
25%
Estimation Method
25%
Channel Variation
25%
High Spectral Efficiency
25%
Channel Estimate
25%
Imperfect Channel
25%
Channel Parameters
25%
16QAM
25%
Rate Expression
25%
Exact Bit Error Rate
25%
64QAM
25%
Decision Regions
25%
Flat Rayleigh Fading
25%
Amplitude Variation
25%
Change of Variables
25%
Phase Variation
25%
Amplitude Estimation
25%
Phase Estimate
25%
Phase Estimation Error
25%
Modulation Parameters
25%
Effective Choice
25%
Modulation Amplitude
25%
Engineering
Channel Estimation Error
100%
Bit Error Rate
100%
Quadrature Amplitude Modulation
100%
Rayleigh Fading
100%
Pilot Symbol
50%
Estimation Error
50%
Fading Channel
33%
Demodulator
33%
Signal-to-Noise Ratio
16%
Analytical Result
16%
Channel Variation
16%
High Spectral Efficiency
16%
Channel Parameter
16%
Rate Expression
16%
Decisions Region
16%
Amplitude Modulation
16%
Phase Estimation
16%