Sum Rate Maximization Based on Mobile User Clustering Assisted Downlink H-NOMA in 4-Tier B5G HetNet

A novel mobile user clustering (MUC) based downlink (DL) hybrid-nonorthogonal multiple access (H-NOMA) technique in 4-tier beyond fifth-generation (B5G) heterogeneous network (HetNet) is proposed for sum-rate maximization. We have formulated a sum-rate maximization problem based on the proposed tech...

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Vydané v:2023 International Conference on Communication Technologies (ComTech) s. 42 - 47
Hlavní autori: Ghafoor, Umar, Siddiqui, Adil Masood, Khan, Humayun Zubair, Ali, Mudassar
Médium: Konferenčný príspevok..
Jazyk:English
Vydavateľské údaje: IEEE 15.03.2023
Predmet:
Approximation algorithms
Base stations
Clustering algorithms
Communications technology
Downlink
H-NOMA
Heterogeneous networks
HetNet
MINLP
Outer approximation algorithm
Simulation
Sum rate
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Abstract A novel mobile user clustering (MUC) based downlink (DL) hybrid-nonorthogonal multiple access (H-NOMA) technique in 4-tier beyond fifth-generation (B5G) heterogeneous network (HetNet) is proposed for sum-rate maximization. We have formulated a sum-rate maximization problem based on the proposed technique subject to performance indicators (PIs). The considered PIs are the admission of mobile users (MUs) in clusters, the association of MUs with one of the base stations (BSs), allocation of power to the MUs, and MU's minimum rate requirement. This novel problem is solved to find an ∊-optimal solution within ∊ = 10 −3 using the outer approximation algorithm (OAA). We have compared the performance of the proposed technique for 4-tier HetNet, and existing 2-tier HetNet, macro BS-only (MBS-only) network. Simulation results ensure best performance of the proposed technique in 4-tier HetNet for sum rate maximization regarding PIs. It is shown through results that the proposed technique performs better in 4-tier HetNet than in existing 2-tier HetNet and MBS-only network regarding PIs.
AbstractList A novel mobile user clustering (MUC) based downlink (DL) hybrid-nonorthogonal multiple access (H-NOMA) technique in 4-tier beyond fifth-generation (B5G) heterogeneous network (HetNet) is proposed for sum-rate maximization. We have formulated a sum-rate maximization problem based on the proposed technique subject to performance indicators (PIs). The considered PIs are the admission of mobile users (MUs) in clusters, the association of MUs with one of the base stations (BSs), allocation of power to the MUs, and MU's minimum rate requirement. This novel problem is solved to find an ∊-optimal solution within ∊ = 10 −3 using the outer approximation algorithm (OAA). We have compared the performance of the proposed technique for 4-tier HetNet, and existing 2-tier HetNet, macro BS-only (MBS-only) network. Simulation results ensure best performance of the proposed technique in 4-tier HetNet for sum rate maximization regarding PIs. It is shown through results that the proposed technique performs better in 4-tier HetNet than in existing 2-tier HetNet and MBS-only network regarding PIs.
Author Ghafoor, Umar
Khan, Humayun Zubair
Ali, Mudassar
Siddiqui, Adil Masood
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  givenname: Adil Masood
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  organization: National University of Sciences and Technology,Islamabad, 44000,Pakistan
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  givenname: Humayun Zubair
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  organization: National University of Sciences and Technology,Islamabad, 44000,Pakistan
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  givenname: Mudassar
  surname: Ali
  fullname: Ali, Mudassar
  email: mudassar.ali@hotmail.com
  organization: National University of Sciences and Technology,Islamabad, 44000,Pakistan
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SubjectTerms Approximation algorithms
Base stations
Clustering algorithms
Communications technology
Downlink
H-NOMA
Heterogeneous networks
HetNet
MINLP
Outer approximation algorithm
Simulation
Sum rate
Title Sum Rate Maximization Based on Mobile User Clustering Assisted Downlink H-NOMA in 4-Tier B5G HetNet
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