Adaptive modulation coding method and apparatus
A technology of adaptive modulation and coding method, applied in the field of communication, can solve the problems of video pause, different anti-error ability, poor anti-error ability, etc., to reduce error rate, improve spectral efficiency, and strong adaptability Effect
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[0033] The specific embodiments of the present invention will be described below with reference to the accompanying drawings.
[0034] Since the existing AMC only considers the current signal-to-noise ratio and does not consider the adaptability to service types, the modulation and coding methods adaptively selected by the existing AMC may have the best performance for one service type, while for Another business type is poorer performance. For example, in order to pursue the highest spectral efficiency, the existing AMC technology is optimal for non-real-time Internet access services by selecting modulation and coding methods, but the anti-error capability of this modulation and coding method with the highest spectral efficiency is relatively poor in channels. The environment is not optimal for real-time video services, because this modulation and coding method will affect the quality of real-time video services and cause more video pauses.
[0035] The purpose of the embodi...
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