Time domain raised cosine-binary coded symbol modulation for satellite navigation

摘要: Abstract The number of satellite navigation signals in space grows dramatically as the global and regional satellites constant increases. This phenomenon further aggravates an already crowded radio spectrum in-band increases out-of-band (OOB) emissions. One feasible solution to issue signal compatibility is design a spectrum-efficient modulation that has better performance backward with adjacent services operation. In this study, time domain raised cosine (TDRC) pulse introduced alternative waveform. A binary coded symbol (BCS) family based on TDRC called TDRC-BCS also proposed candidate for future system (GNSS). An extensive study multipath model analysis approach provided. existing modulations are then comprehensively evaluated. Theoretical simulation results show offer superior compared terms code tracking accuracy, mitigation capacity, while maintaining comparable or anti-jamming performance. These can attain higher spectral efficiency GNSS signals. scheme provides additional degrees freedom design.