Performance analysis of single-frequency MPPSK integrated system for ranging applications

Area of Science:

• Electrical Engineering
• Signal Processing
• Telecommunications

Background:

• The dual-frequency MPPSK-MODEM offers flexibility for data transmission and range measurement, especially in power-limited or low-accuracy scenarios.
• Existing MPPSK systems require optimization for enhanced ranging resolution and parameter selection for high-accuracy range measurements.

Purpose of the Study:

• To investigate the ranging resolution of MPPSK pulse waveforms using matched and impacting filter processing.
• To analyze parameter selection for MPPSK modulators in ranging applications.
• To present and evaluate a high repetition frequency (HRF) biphase code MPPSK pulse train for improved ranging accuracy.

Main Methods:

• Analysis of ranging resolution for MPPSK pulse waveforms with matched and impacting filters.
• Investigation of MPPSK modulator parameter selection for optimal ranging.
• Presentation of a novel HRF biphase code MPPSK pulse train based on m-sequences.
• Theoretical deduction of ranging accuracy for the proposed HRF signal with matched filtering.

Main Results:

• The study discusses ranging resolution improvements with specific filter processing techniques.
• Optimal parameter selection for MPPSK modulators enabling high-accuracy and long-range measurements is identified.
• The proposed HRF biphase code MPPSK pulse train demonstrates high ranging accuracy when processed with matched filters.
• System simulations and measurement results confirm the high performance of single-frequency MPPSK integrated systems for ranging.

Conclusions:

• The MPPSK-MODEM platform provides a flexible solution for integrated data transmission and ranging.
• Advanced signal processing and novel pulse train designs significantly enhance ranging accuracy and resolution.
• The presented methods and system configurations are suitable for high-performance ranging applications.