RELIABILITY ANALYSIS AND PREVENTIVE MAINTENANCE STRATEGIES FOR FM AND TV BROADCAST TRANSMITTERS TO REDUCE OPERATIONAL FAILURES
Keywords:
Reliability, Fault Analysis, Maintenance, Intelligent, Transmitters, PerformanceAbstract
Reliable operation of FM and television transmitters is a critical requirement for maintaining uninterrupted broadcast services and ensuring optimal signal coverage, audio-visual quality, and operational efficiency. However, recurring technical faults in transmitter systems continue to affect broadcast performance globally, particularly in environments characterized by aging infrastructure, harsh climatic conditions, and increasing demand for continuous broadcasting. This study investigates common faults in FM and TV transmitters and offers proven prevention methods for reducing recurring failures and improving operational broadcast performance. The research identifies major technical faults including RF power amplifier degradation, exciter instability, frequency drift, cooling system failure, power supply fluctuations, transmission line mismatch, antenna system faults, modulation distortion, grounding deficiencies, and software control errors. Scientific diagnostic techniques such as Voltage Standing Wave Ratio (VSWR) measurement, spectrum analysis, thermal imaging, signal-to-noise ratio (SNR) evaluation, Total Harmonic Distortion (THD) analysis, and fault tree analysis were employed to evaluate transmitter performance and identify root causes of failures. The study further examines environmental factors such as humidity, temperature variations, lightning surges, and dust accumulation, which significantly contribute to transmitter component degradation and system instability. Preventive measures including predictive maintenance, redundancy architecture, intelligent monitoring systems, surge protection devices, automatic gain control optimization, and improved grounding systems are analyzed for their effectiveness in minimizing operational downtime. Additionally, modern solutions such as Internet of Things (IoT)-based monitoring, artificial intelligence-based fault prediction, and modular transmitter architecture are evaluated to enhance reliability and maintain continuous broadcasting operations. Results indicate that implementing integrated preventive maintenance strategies can reduce transmitter failure rates by up to 35–45%, improve signal stability, and enhance operational lifespan of broadcast equipment. The findings demonstrate that systematic fault identification combined with advanced monitoring techniques significantly improves broadcast continuity, reduces maintenance costs, and enhances overall operational broadcast performance. This study contributes to the development of reliable FM and TV broadcasting systems by providing a comprehensive framework for fault prevention and performance optimization in modern broadcast transmitter operations.
References
[1] Jasim, M. A., Shakhatreh, H., Siasi, N., Sawalmeh, A. H., Aldalbahi, A., & Al-Fuqaha, A. (2021). A survey on spectrum Management for Unmanned Aerial Vehicles (UAVs). IEEE Access, 10, 11443–11499. https://doi.org/10.1109/access.2021.3138048
[2] Ucar, A., Karakose, M., & Kırımça, N. (2024). Artificial intelligence for Predictive maintenance Applications: key components, trustworthiness, and future trends. Applied Sciences, 14(2), 898. https://doi.org/10.3390/app14020898
[3] L. Alobaidy, H. a. H., Singh, M. J., Behjati, M., Nordin, R., & Abdullah, N. F. (2022). Wireless Transmissions, Propagation and channel modelling for IoT Technologies: Applications and challenges. IEEE Access, 10, 24095–24131. https://doi.org/10.1109/access.2022.3151967
[4] Kihel, Y. E., Kihel, A. E., & Bouyahrouzi, E. M. (2022). Contribution of Maintenance 4.0 in Sustainable Development with an Industrial Case Study. Sustainability, 14(17), 11090. https://doi.org/10.3390/su141711090
[5] Sonawane, P. R., Bhandari, S., Patil, R. B., & Al-Dahidi, S. (2023). Reliability and Criticality Analysis of a Large-Scale Solar Photovoltaic System using Fault Tree Analysis approach. Sustainability, 15(5), 4609. https://doi.org/10.3390/su15054609
[6] Pogorelov, I., Feldker, T., Marciniak, C. D., Postler, L., Jacob, G., Krieglsteiner, O., Podlesnic, V., Meth, M., Negnevitsky, V., Stadler, M., Höfer, B., Wächter, C., Lakhmanskiy, K., Blatt, R., Schindler, P., & Monz, T. (2021). Compact Ion-Trap Quantum Computing Demonstrator. PRX Quantum, 2(2). https://doi.org/10.1103/prxquantum.2.020343
[7] Azari, M. M., Solanki, S., Chatzinotas, S., Kodheli, O., Sallouha, H., Colpaert, A., Montoya, J. F. M., Pollin, S., Haqiqatnejad, A., Mostaani, A., Lagunas, E., & Ottersten, B. (2022). Evolution of Non-Terrestrial Networks from 5G to 6G: A survey. IEEE Communications Surveys & Tutorials, 24(4), 2633–2672. https://doi.org/10.1109/comst.2022.3199901
[8] Freddi, F., Galasso, C., Cremen, G., Dall’Asta, A., Di Sarno, L., Giaralis, A., Gutiérrez-Urzúa, F., Málaga-Chuquitaype, C., Mitoulis, S. A., Petrone, C., Sextos, A., Sousa, L., Tarbali, K., Tubaldi, E., Wardman, J., & Woo, G. (2021). Innovations in earthquake risk reduction for resilience: Recent advances and challenges. International Journal of Disaster Risk Reduction, 60, 102267. https://doi.org/10.1016/j.ijdrr.2021.102267
[9] Maican, C. A., Pană, C. F., Pătrașcu-Pană, D. M., & Rădulescu, V. M. (2025). Review of Fault detection and Diagnosis Methods in Power Plants: Algorithms, architectures, and Trends. Applied Sciences, 15(11), 6334. https://doi.org/10.3390/app15116334
[10] Kodheli, O., Lagunas, E., Maturo, N., Sharma, S. K., Shankar, B., Montoya, J. F. M., Duncan, J. C. M., Spano, D., Chatzinotas, S., Kisseleff, S., Querol, J., Lei, L., Vu, T. X., & Goussetis, G. (2020). Satellite Communications in the New Space Era: A survey and future challenges. IEEE Communications Surveys & Tutorials, 23(1), 70–109. https://doi.org/10.1109/comst.2020.3028247
[11] Jiang, W., Han, B., Habibi, M. A., & Schotten, H. D. (2021). The road towards 6G: A Comprehensive survey. IEEE Open Journal of the Communications Society, 2, 334–366. https://doi.org/10.1109/ojcoms.2021.3057679
[12] Wei, Z., Qu, H., Wang, Y., Yuan, X., Wu, H., Du, Y., Han, K., Zhang, N., & Feng, Z. (2023). Integrated Sensing and Communication Signals Toward 5G-A and 6G: A survey. IEEE Internet of Things Journal, 10(13), 11068–11092. https://doi.org/10.1109/jiot.2023.3235618
[13] Kang, M., Park, S., & Lee, Y. (2024). A survey on Satellite Communication System Security. Sensors, 24(9), 2897. https://doi.org/10.3390/s24092897
[14] Celik, A., Romdhane, I., Kaddoum, G., & Eltawil, A. M. (2022). A Top-Down Survey on Optical wireless communications for the Internet of Things. IEEE Communications Surveys & Tutorials, 25(1), 1–45. https://doi.org/10.1109/comst.2022.3220504
[15] Yue, P., An, J., Zhang, J., Ye, J., Pan, G., Wang, S., Xiao, P., & Hanzo, L. (2023). Low Earth orbit satellite security and reliability: issues, solutions, and the road ahead. IEEE Communications Surveys & Tutorials, 25(3), 1604–1652. https://doi.org/10.1109/comst.2023.3296160
[16] Bagwari, A., Logeshwaran, J., Usha, K., Raju, K., Alsharif, M. H., Uthansakul, P., & Uthansakul, M. (2023). An enhanced energy optimization model for industrial wireless sensor networks using machine learning. IEEE Access, 11, 96343–96362. https://doi.org/10.1109/access.2023.3311854
[17] Ahmad, R. U. S., Khan, M. S., Hilal, M. E., Khan, B., Zhang, Y., & Khoo, B. L. (2024). Advancements in wearable heart sounds devices for the monitoring of cardiovascular diseases. SmartMat, 6(1). https://doi.org/10.1002/smm2.1311
[18] Seçkin, A. Ç., Ateş, B., & Seçkin, M. (2023). Review on Wearable technology in Sports: Concepts, challenges and opportunities. Applied Sciences, 13(18), 10399. https://doi.org/10.3390/app131810399
[19] Zhang, H., Li, B., Karimi, M., Saydam, S., & Hassan, M. (2023). Recent advancements in IoT implementation for environmental, safety, and production monitoring in underground mines. IEEE Internet of Things Journal, 10(16), 14507–14526. https://doi.org/10.1109/jiot.2023.3267828
[20] Patel, V., Chesmore, A., Legner, C. M., & Pandey, S. (2021). Trends in workplace wearable technologies and Connected‐Worker solutions for Next‐Generation occupational safety, health, and productivity. Advanced Intelligent Systems, 4(1). https://doi.org/10.1002/aisy.202100099
[21] Polese, M., Bonati, L., D’Oro, S., Basagni, S., & Melodia, T. (2023). Understanding O-RAN: Architecture, Interfaces, Algorithms, Security, and Research Challenges. IEEE Communications Surveys & Tutorials, 25(2), 1376–1411. https://doi.org/10.1109/comst.2023.3239220
[22] Tallat, R., Hawbani, A., Wang, X., Al-Dubai, A., Zhao, L., Liu, Z., Min, G., Zomaya, A. Y., & Alsamhi, S. H. (2023). Navigating Industry 5.0: A survey of key enabling technologies, trends, challenges, and opportunities. IEEE Communications Surveys & Tutorials, 26(2), 1080–1126. https://doi.org/10.1109/comst.2023.3329472
[23] Taylor, B., Abel, G., Miller, P., Gomez, F., Von Fersen, L., Demaster, D., Reeves, R., Rojas-Bracho, L., Wang, D., Hao, Y., Cipriano, F., Bastida, R., Boede, E., Braulik, G., Brownell, R., Dolar, L., Kelkar, N., Khan, U., Mujica-Jorquera, E., . . . Reis, M. D. (2020). Ex situ options for cetacean conservation: report of the 2018 workshop, Nuremberg, Germany. https://doi.org/10.2305/iucn.ch.2020.ssc-op.66.en
[24] Al-Hraishawi, H., Chougrani, H., Kisseleff, S., Lagunas, E., & Chatzinotas, S. (2022). A survey on Nongeostationary Satellite Systems: The Communication Perspective. IEEE Communications Surveys & Tutorials, 25(1), 101–132. https://doi.org/10.1109/comst.2022.3197695
