TY - GEN
T1 - Interference Mitigation Using Uplink Power Control in 5G Relay-Based Heterogeneous Networks
AU - Sultan, Jamil
AU - Jabbar, Waheb A.
AU - Al-Thobhani, Nashwan S.
AU - Al-Hetar, Abdulaziz
AU - Saif, Mobarak
N1 - Publisher Copyright:
© 2022 IEEE.
PY - 2022
Y1 - 2022
N2 - Heterogeneous network (HetNet) is an attractive solution for future cellular networks with high data rate and coverage requirements. In HetNets, small cells such as micro cells, pico cells, femto cells and relay node (RN) are added to the network of macro cells in the same region. A large number of low power RNs produces new cell edges with significant intra-cell and inter-cell interferences. In the uplink (UL) scenarios of time-division based HetNets with RN, the user equipment (UE) desired signal may be interfered by the transmissions of the co-channel UEs during the first time slot and by the transmissions of the co-channel UEs or RNs during the second time slot. The interference caused by the RNs may significantly degrade the UE signal. UL transmission power control (PC) is essential for mitigating interference and, as a result, enhancing the cell edge and overall system performance. This research proposes a PC algorithm in order to mitigate the UL interference in 5g relay-based HetNets. This research also investigates the UL performance of HetNets when PC is applied at the RNs. Simulation results indicate that UL PC at the RNs greatly reduces average interference and improves average UL signal-to-interference-plus-noise ratio (SINR) and average UL end-to-end throughput compared to the situation in which UL PC is not implemented.
AB - Heterogeneous network (HetNet) is an attractive solution for future cellular networks with high data rate and coverage requirements. In HetNets, small cells such as micro cells, pico cells, femto cells and relay node (RN) are added to the network of macro cells in the same region. A large number of low power RNs produces new cell edges with significant intra-cell and inter-cell interferences. In the uplink (UL) scenarios of time-division based HetNets with RN, the user equipment (UE) desired signal may be interfered by the transmissions of the co-channel UEs during the first time slot and by the transmissions of the co-channel UEs or RNs during the second time slot. The interference caused by the RNs may significantly degrade the UE signal. UL transmission power control (PC) is essential for mitigating interference and, as a result, enhancing the cell edge and overall system performance. This research proposes a PC algorithm in order to mitigate the UL interference in 5g relay-based HetNets. This research also investigates the UL performance of HetNets when PC is applied at the RNs. Simulation results indicate that UL PC at the RNs greatly reduces average interference and improves average UL signal-to-interference-plus-noise ratio (SINR) and average UL end-to-end throughput compared to the situation in which UL PC is not implemented.
KW - 5G
KW - HetNets
KW - Power control
KW - Relay Node (RN)
KW - Ultra Densification Network (UDN)
UR - http://www.scopus.com/inward/record.url?scp=85142424198&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85142424198&partnerID=8YFLogxK
U2 - 10.1109/eSmarTA56775.2022.9935380
DO - 10.1109/eSmarTA56775.2022.9935380
M3 - Conference contribution
SN - 9781665461818
T3 - 2022 2nd International Conference on Emerging Smart Technologies and Applications, eSmarTA 2022
BT - 2022 2nd International Conference on Emerging Smart Technologies and Applications, eSmarTA 2022
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 2nd International Conference on Emerging Smart Technologies and Applications, eSmarTA 2022
Y2 - 25 October 2022 through 26 October 2022
ER -