Optimization of Overshooting Cells in 4G LTE 1800 MHz Network at Telkomsel Site CJR017
Keywords:
4G LTE, antenna tilt, network optimization, overshooting, RSRP, SINR, throughputAbstract
Abstract— This study aims to Overshooting cell issues are among the critical challenges in 4G LTE networks, causing interference, degraded signal quality, and reduced service reliability. This study focuses on optimizing overshooting at the Telkomsel site CJR017_CMBCIDATAR_CISURUPAN-PTI using Huawei equipment. The main objectives are to improve Reference Signal Received Power (RSRP), Signal-to-Noise Ratio (SINR), and throughput, while addressing the overshooting problem to enhance network performance. The methodology involved conducting detailed site surveys and drive tests with the Genex Assistant application to collect baseline performance data. The optimization process included mechanical tilt adjustments from 0° to 2° and electrical tilt modifications from 2° to 4°, targeting improved signal transmission and reduced overshooting. Post-optimization results showed significant improvements in network parameters: RSRP increased from -110 dBm to -90 dBm, SINR rose from -10 dB to 5 dB, and throughput improved markedly, with download speeds increasing from 11.5 Mbps to 120 Mbps and upload speeds from 0.18 Mbps to 27.9 Mbps. Additionally, overshooting from neighboring sites was effectively minimized, enhancing coverage and service quality in previously weak signal areas. These findings highlight the critical role of systematic optimization in addressing overshooting issues and improving the overall performance of cellular networks. Future research should focus on evaluating long-term optimization impacts and exploring the integration of advanced technologies, such as 5G, to further enhance network efficiency and performance.
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