Analysis of Duobinary Encoding for CPM Signals

International audienceIn this paper, we investigate the effect of using a duobinaryencoder on binary continuous phase modulations (CPM).This technique transforms the binary symbols into ternaryones using a specific mapping and has been adopted for linearmodulation schemes. We show that applying this encoderto binary CPM increases the spectrum efficiency ofthe signal and keeps a theoretical bit error rate performanceclose to the binary case