Simulation-Based Design of LTE Indoor Networks in High-Density Building Scenarios
DOI:
https://doi.org/10.55981/jet.816Keywords:
Capacity Dimensioning, Coverage Dimensioning, Indoor Building Solution, 4G LTE NetworkAbstract
The implementation of 5G mobile communication technology in Indonesia faces significant challenges due to limited infrastructure and coverage in some areas, that’s why 4G technology is still the favorite among the public. However, not all areas are covered by a good quality 4G LTE (Long Term Evolution) network, especially inside buildings, because the signal from the eNodeB weakens due to the building construction. This study aims to determine the optimal antenna configuration to improve network quality inside the building, in this case in the XYZ building by implementing an IBS (Indoor Building Solution) on the 4G LTE network using Radiowave Propagation Simulator software. The IBS design uses two approaches, namely coverage dimensioning and capacity dimensioning. The simulation comparing the location of antenna placement in the center or edge building and the results show that placing the antenna in the center of the building is more optimal than placing it at the edge of the building. The average of RSSI (Received Signal Strength Indicator) values obtained from the ground floor to the 2nd floor are -46.67 dBm, -50.09 dBm, and -49.41 dBm, respectively. Meanwhile, the average of SINR (Signal to Interference plus Noise Ratio) values obtained from each ground floor to the 2nd floor are 18.77 dB, 23.20 dB, and 27.77 dB, respectively. Both parameter values are included with an Excellent rating based on the RKX operator's KPI (Key Performance Indicator) standards. It is hoped that the results of this research can be used as a reference, model, and implemented in other indoor locations so that 4G network coverage in Indonesia can be further expanded, especially indoors.
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