How to select a combination of channel coding scheme and modulation scheme in digital communication systems

摘要

(57) by measuring the link quality, parameters such as C / I ratio, the communication system supporting a channel coding scheme and modulation scheme [Abstract] Multiple selects an optimal RF link. And is characterized on the basis of the link quality parameters, as measured by the RF link all available, to calculate the variance value and the average value of the parameter. Based on the characterization of the RF link, the user quality value, such as voice Kriti values ​​throughput and user data is evaluated. This communication system to select the RF link that provides the user the best quality value.