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Adaptive modulation and coding (AMC) is a method which adapts its transmitting parameters according to the channel state and is used in various modern wireless communications to maximize spectrum efficiency by minimizing the error rate. One of the driving strengths of AMC is the Signal-to-Noise Ratio (SNR) estimation and feedback channel for adaptation. Degrading effects caused due to sudden variation in the channel over time sometimes require the transmission link to react appropriately so itdoi:10.15623/ijret.2014.0303099 fatcat:j5z4shhx3zcpbph47y4qgfzmp4