Improvement of the Error Characteristics of an N-Continuous OFDM System with Low Data Channels by SLM

N-continuous OFDM is a modulation technique that produces a lower sidelobe than the original OFDM as a result of the continuous connection with its higher-order derivatives between the OFDM symbols. However, when there are low data channels, N-continuous OFDM has a high symbol error rate. In this paper, the authors propose a method for improving the symbol error rate of N-continuous OFDM using SLM and evaluate the effectiveness of this approach by means of numerical experiments. The experimental results showed that this method significantly improves the symbol error rate in systems with low data channels, and the authors confirmed the effectiveness of the method in systems with a scalable bandwidth, such as LTE.