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Fading envelopes generated under constant velocity and constant acceleration conditions, modeling mobile communication scenarios, are predicted with a time-varying recursive linear predictor. The envelope prediction is used in an automatic gain controller with the idea of compensating for the amplitude distortion of a flat fading channel. Assuming that the difference between the phase distortions of two consecutive symbols is very small, the effect of the phase distortion is removed using a differential modulation scheme. Simulations show that, with fading envelope compensation, highly bandwidth efficient modulation schemes such as QAM can be used even in a flat fading environment

• AGC
• QAM
• Amplitude Distortion Compensation
• Automatic Gain Control
• Bandwidth Efficient Modulation
• Differential Modulation
• Envelope Equalization
• Envelope Prediction
• Equalisers
• Fading Channels
• Fading Envelope Compensation
• Flat Fading Channel
• Land Mobile Radio
• Mobile Communication
• Phase Distortions Prediction Theory
• Quadrature Amplitude Modulation
• Time-Varying Recursive Linear Predictor