Coverage Analysis and Performance Evaluation of Digital Radio Mondiale Broadcasting Systems in India
Keywords:
Digital Radio Mondiale, digital radio broadcasting, coverage analysis, RF propagation, signal performance, India.Abstract
The evolution of radio broadcasting from analog to digital systems has created new opportunities for improving signal quality, spectral efficiency, and service reliability. Digital Radio Mondiale (DRM) is a globally recognized digital radio broadcasting standard designed to operate in the existing AM and VHF frequency bands while providing enhanced audio quality and additional data services. In India, the adoption of DRM technology has been actively promoted by All India Radio, functioning under Prasar Bharati, making the country one of the largest implementers of DRM-based broadcasting systems. This study presents a comprehensive coverage analysis and performance evaluation of DRM broadcasting systems in India. The research investigates the transmission characteristics and signal propagation behavior of DRM signals across different geographical regions, including urban and rural environments. Key technical parameters such as signal strength, signal-to-noise ratio (SNR), bit error rate (BER), and reception stability are examined to assess the overall efficiency of the DRM broadcasting system. The study also evaluates the advantages of DRM technology over traditional analog broadcasting, particularly in terms of improved audio clarity, efficient spectrum utilization, and the ability to deliver supplementary services such as text information and emergency alerts. By analyzing these performance indicators, the research highlights the role of digital radio technology in strengthening India’s broadcasting infrastructure. The findings indicate that DRM broadcasting significantly improves transmission efficiency, coverage reliability, and overall listening experience while utilizing existing broadcast infrastructure. The results provide valuable insights for policymakers, engineers, and broadcasting authorities in optimizing digital radio networks and supporting the continued development of digital broadcasting in India.
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