Impact of Network Deployment on the Performance of NCR-assisted Networks

To address the need of coverage enhancement in the fifth generation (5G) of wireless cellular telecommunications, while taking into account possible bottlenecks related to deploying fiber based backhaul (e.g., required cost and time), the 3rd generation partnership project (3GPP) proposed in Release...

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Bibliographic Details
Main Authors: Da Silva, Gabriel C. M., Sousa, Diego A., Monteiro, Victor F., Moreira, Darlan C., Maciel, Tarcisio F., Lima, Fco. Rafael M., Makki, Behrooz
Format: Conference Proceeding
Language:English
Subjects:
3GPP
amplify and forward
NCR
Performance evaluation
Planning
Radio frequency
relay
Repeaters
Telecommunications
wireless backhaul
Wireless communication
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Summary:To address the need of coverage enhancement in the fifth generation (5G) of wireless cellular telecommunications, while taking into account possible bottlenecks related to deploying fiber based backhaul (e.g., required cost and time), the 3rd generation partnership project (3GPP) proposed in Release 18 the concept of network-controlled repeaters (NCRs). NCRs enhance previous radio frequency (RF) repeaters by exploring beamforming transmissions controlled by the network through side control information. In this context, this paper introduces the concept of NCR. Furthermore, we present a system level model that allows the performance evaluation of an NCR-assisted network. Finally, we evaluate the network deployment impact on the performance of NCR-assisted networks. As we show, with proper network planning, NCRs can boost the signal to interference-plus-noise ratio (SINR) of the user equipments (UEs) in a poor coverage of a macro base station. Furthermore, cell-edge UEs and uplink (UL) communications are the ones that benefit the most from the presence of NCRs.
ISSN:2154-0225
DOI:10.1109/ISWCS61526.2024.10639094