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Heterogeneous networks have been studied as one of the enablers of networkdensification. These studies have been intensified to overcome some drawbacksrelated to propagation in millimeter waves (mmWaves), such as severe path andpenetration losses. One of the promising heterogeneous nodes isnetwork-controlled repeater (NCR). It was proposed by the 3rd generationpartnership project (3GPP) in Release 18 as a candidate solution to enhancenetwork coverage. In this context, this work performs a system level evaluationto analyze the performance improvement that an NCR can cause in its servingcell as well as its interference impact on neighbor cells. Particularly, theresults show a considerable improvement on the performance of user equipments(UEs) served by the NCR, while neighbor UEs that receive the NCR signal asinterference are negatively impacted, but not enough to suffer from outage.

System Level Evaluation of Network-Controlled Repeaters: Performance Improvement of Serving Cell and Interference Impact on Neighbor Cells