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Performance analysis of downlink and uplink decoupled access in clustered heterogeneous cellular networks

Author

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  • Mohammad Arif

    (COMSATS University Islamabad)

  • Shurjeel Wyne

    (COMSATS University Islamabad)

  • Junaid Ahmed

    (COMSATS University Islamabad)

Abstract

The performance of heterogeneous cellular networks (HCNs) is typically analyzed with the assumption that the users connect with the same base station in uplink and downlink. However, recent investigations have shown that downlink–uplink decoupling (DUDe) can provide network performance gains relative to the conventional coupled access. Many authors have evaluated HCN performance while assuming that the network users are distributed according to a homogeneous Poisson point process (HPPP). However, the HPPP cannot accurately model the uplink interference when the users are clustered in urban hotspots such as shopping malls and sports stadiums. This work investigates DUDe access for an HCN with user-clustering modeled by the Matern cluster process. We derive analytical expressions of the coverage probability and average throughput for DUDe access as well as the conventional coupled access. The results show that DUDe outperforms the coupled access scheme in terms of coverage and throughput. The user-clustering is also shown to benefit the coverage and throughput performance relative to the case of HPPP distributed users. The derived results are validated by Monte Carlo simulations.

Suggested Citation

  • Mohammad Arif & Shurjeel Wyne & Junaid Ahmed, 2019. "Performance analysis of downlink and uplink decoupled access in clustered heterogeneous cellular networks," Telecommunication Systems: Modelling, Analysis, Design and Management, Springer, vol. 72(3), pages 355-364, November.
    • Handle: RePEc:spr:telsys:v:72:y:2019:i:3:d:10.1007_s11235-019-00571-x
    DOI: 10.1007/s11235-019-00571-x
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    References listed on IDEAS

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    1. Muhammad Nadeem Sial & Junaid Ahmed, 2018. "Analysis of K-tier 5G heterogeneous cellular network with dual-connectivity and uplink–downlink decoupled access," Telecommunication Systems: Modelling, Analysis, Design and Management, Springer, vol. 67(4), pages 669-685, April.
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    Cited by:

    1. Sundus Ali & Muhammad Imran Aslam & Irfan Ahmed & Tayyaba Khurshid, 2020. "Analysis of the decoupled uplink downlink technique for varying path loss exponent in multi-tier HetNet," Telecommunication Systems: Modelling, Analysis, Design and Management, Springer, vol. 74(4), pages 497-510, August.
    2. Humayun Zubair Khan & Mudassar Ali & Muhammad Naeem & Imran Rashid & Adil Masood Siddiqui & Muhammad Imran & Shahid Mumtaz, 2021. "Joint admission control, cell association, power allocation and throughput maximization in decoupled 5G heterogeneous networks," Telecommunication Systems: Modelling, Analysis, Design and Management, Springer, vol. 76(1), pages 115-128, January.
    3. Sundus Ali & Muhammad Imran Aslam & Irfan Ahmed, 2019. "Uplink coverage probability and spectral efficiency for downlink uplink decoupled dense heterogeneous cellular network using multi-slope path loss model," Telecommunication Systems: Modelling, Analysis, Design and Management, Springer, vol. 72(4), pages 505-516, December.

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    1. Sundus Ali & Muhammad Imran Aslam & Irfan Ahmed, 2019. "Uplink coverage probability and spectral efficiency for downlink uplink decoupled dense heterogeneous cellular network using multi-slope path loss model," Telecommunication Systems: Modelling, Analysis, Design and Management, Springer, vol. 72(4), pages 505-516, December.
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