Received 23.02.2026, Revised 11.05.2026, Accepted 25.06.2026 Published 03.08.2026

Comprehensive analysis of modulation and coding schemes for DVB-T2 broadcasting performance

Olarewaju Peter Ayeoribe*

ayeoribe.olarewaju@fuoye.edu.ng



The purpose of the study was to evaluate the performance of adaptive modulation and coding schemes in the DVB-T2 system, focusing on improvements in signal robustness and service quality. The DVB-T2 standard supported different modulation formats, including Quadrature Phase Shift Keying (QPSK), 16-QAM (quadrature amplitude modulation), and 64-QAM, combined with Low-Density Parity-Check / Bose-Chaudhuri-Hocquenghem Forward Error Correction techniques capable of dynamic channel adaptation. The simulation experiments conducted under additive white Gaussian noise and Rayleigh fading channel conditions confirmed that lower modulation schemes, namely QPSK with code rates of 1/2 and 3/5, can achieve error rates below 10⁻⁵ at a signal-to-noise ratio (SNR) of 3-5  dB, ensuring reliable signal reception in low-signal areas. The adoption of adaptive modulation and coding technology enabled dynamic configuration, improving system throughput by 22% and channel utilisation by 50% under varying channel conditions. Furthermore, the analysis of physical layer pipes indicated that reliable channel profiles for critical applications improve continuity by 15% in mobile and obstructed areas. Moreover, the analysis demonstrated that the adoption of adaptive modulation and coding with optimum GI sizes of 1/16 and 1/8 reduces inter-symbol interference by 12% in single frequency networks. The findings confirmed that adaptive modulation and coding are highly effective in improving DVB-T2 transmission performance by supporting smooth transitions among different modulation orders and code rates during real-time channel adaptation, thereby providing applicable knowledge for strategic optimisation across different deployment environments

BER performance; spectral efficiency; LDPC/BCH; channel conditions; digital broadcasting
44-54
Ayeoribe, O.P. (2026). Comprehensive analysis of modulation and coding schemes for DVB-T2 broadcasting performance. Information Technologies and Computer Engineering, 23(2), 44-54. https://doi.org/10.31649/vitce/2.2026.44

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