Deployment of 5G NR at mmWave Frequency for Mobile Network in Indonesia's Market

The large bandwidth generated by the high-band millimeter-wave (mmWave) frequency causes the mmWave to provide a faster access speed. However, this frequency has an area coverage that is not as wide as the sub-6 GHz frequency coverage. As a result, implementing 5G NR using mmWave frequencies is expected to require a more significant number of gNodeB than other 5G frequencies. Therefore, this research will design a 5G NR network deployment using a mmWave frequency of 28 GHz. The research design was carried out for the urban scenario by selecting the Bandung city as the research object. The Bandung city was chosen because it is one of the cities made into the 5G plan by the Ministry of Communication and Information in Indonesia. This research performs calculation modeling with planning approaches based on capacity and coverage with study prediction time from 2021 to 2026. The capacity approach considers the number of market users, while the coverage approach considers Maximum Allowable Path Loss (MAPL) parameters and path loss propagation. A propagation model based on 3GPP 28.90 UMi Street canyon for LOS conditions. According to the findings of this research, Bandung City's traffic demand is 2.18 Gbps/km². In addition, the deployment of a 5G NR network with mmWave frequency based on capacity planning approach requires 21 uplink and 18 downlink gNobeBs. Therefore, the coverage area requires 1370 uplink gNodeB with a coverage area of 0.122 km² and 1452 gNodeB for downlink with a coverage area of 0.115 km². Based on these results, the gNodeB needed for Bandung city was selected based on downlink coverage with 1452 gNodeB.