GMSK Modulation and Demodulation Program with Lookup Table Modulation and Two-Bit Differential Detection
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Resource Overview
This program implements GMSK (Gaussian Minimum Shift Keying) modulation and demodulation, featuring lookup table-based modulation and two-bit differential demodulation for simple yet effective digital signal transmission.
Detailed Documentation
This program implements GMSK (Gaussian Minimum Shift Keying) modulation and demodulation. The modulation process utilizes a lookup table approach where precomputed GMSK waveforms are stored and indexed based on input bit patterns, enabling efficient real-time signal generation. The demodulation employs two-bit differential detection, which compares phase differences between consecutive symbol intervals to recover transmitted data without requiring a phase reference. This modulation-demodulation scheme offers a practical and straightforward implementation solution that ensures reliable information signal transmission with good spectral efficiency. The algorithm's simplicity makes it suitable for resource-constrained embedded systems while maintaining robust performance in wireless communication applications.
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