| الملخص: | The limitations of existing 4G networks became increasingly apparent as mobile device usage grew. In response, 5G was developed as the next generation of mobile networks to deliver an enhanced and more advanced mobile experience, transforming communication and data transfer. However, this new technology faces challenges, such as signal attenuation caused by building structures. Higher frequencies, which are essential for achieving faster speeds, experience greater signal loss. This issue is particularly significant for 5G millimeter waves, as these high frequencies struggle to penetrate materials like wood, brick, and metal, impacting indoor coverage and limiting the technology's full potential. This study investigates the measurement of 5G signal strength transitioning from outdoor to indoor environments in two distinct scenarios. The research was conducted at Central I-City Mall, utilizing two Android network monitoring apps, G-NetTrack Lite and Speedtest by Ookla, to assess network performance. The data analysis shows that the 5G signal at a condominium with fewer occupants and a more open indoor floor plan is more stable compared to Central I-City Mall, especially during the morning and evening. Furthermore, the condominium offers better download and upload speeds. This study provides valuable insights for telecommunications operators and researchers in Malaysia, supporting future 5G deployments in both urban and rural areas. © 2024 IEEE.
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