The development of telecommunications is currently growing rapidly, especially in urban areas. To obtain optimal data services for users, the performances of 4G network services must continue to be optimized. It is known that many users are scattered in urban areas, but sometimes it is not balanced with an even distribution of the site in this area. This condition occurs because the distribution of the site is not evenly optimal distributed, either due to licensing constraints, limited land access for site development, or in terms of plans that have not been made. Balanced with the requirement of a 4G network, which is required, this "empty space" condition or low site density condition must find a solution or optimize it. Many optimization methods can optimize the area with low site density possibility. This study will optimize the area by adding a new site proposal based on coverage planning. We need to analyze Reference Signal Received Power (RSRP) coverage signal distribution using Atoll Planning Software. After optimization, the RSRP level below or equal -80 dBm increased from 75.195% to 94.08%. Furthermore, the percentage calculation for inadequate coverage (below -80 dBm) decreased from 24.816% to 5.931%. This RSRP signal level also shows that the condition after optimization with a new site can improve the signal level condition from areas with low site density possibility.
Teknologi 4G Long Term Evolution (LTE) menawarkan kecepatan akses paket data yang jauh lebih cepat dari generasi sebelumnya. Namun pada kondisi area-area padat penduduk, kecepatan akses paket data yang dirasakan oleh pengguna akan dirasakan berbeda. Hal ini juga diimbangi dengan meningkatnya pertumbuhan user, seperti di area urban dan kawasan padat penduduk, yang memiliki trafik dan payload data yang tinggi. Kondisi tersebut ternyata tidak diimbangi dengan penyediaan kapasitas jaringan yang memadai sehingga hal tersebut menyebabkan kondisi jaringan berlebihan dan menurunnya performansi jaringan di area tersebut. Untuk memperbaiki kondisi tersebut maka perlu dilakukan suatu proses optimasi, salah satunya dengan menggunakan metode swap antena. Penelitian ini bertujuan untuk mengoptimasi jaringan 4G LTE di area padat penduduk menggunakan antena multisektoral. Metode ini memiliki konsep mengganti antena sektoral single beam yang terpasang dengan antena multisektoral dual beam pada site yang dominan mencakup area tersebut. Penelitian ini mengambil lokasi di kawasan Matahari Kopo Bandung yang memiliki karakteristik padat penduduk. Hasil penelitian menunjukkan bahwa optimasi yang dilakukan dengan menggunakan metode swap antena ini dapat memperbaiki kinerja site tersebut. Hal ini ditunjukkan dengan menurunnya payload site mencapai 41% dan penurunan trafik mencapai 30,8%, serta peningkatan downlink throughput hingga 42,5%. Selain itu coverage level sinyal Reference Signal Receive Power (RSRP) mengalami peningkatan sebesar 6,93% untuk level diatas -100 dBm.
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