Wireless communications are quite prone to errors due to the noise present in the channel, fading effects and interference. The quality of communication is degraded by theses channel errors. To ...
Error vector magnitude (EVM) is a measure of modulation quality and error performance in complex wireless systems. It provides a method to evaluate the performance of ...
NHK has been studying a multi-level coded modulation scheme for expanding satellite transmission capacity. It can bring out the transmission performance of multi ...
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