Neighbors’ interference situation-aware power control scheme for dense 5G mobile communication system

Zeeshan Kaleem (), Ayaz Ahmad () and Mubashir Husain Rehmani
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Zeeshan Kaleem: COMSATS Institute of Information Technology, Wah Campus
Ayaz Ahmad: COMSATS Institute of Information Technology, Wah Campus
Mubashir Husain Rehmani: COMSATS Institute of Information Technology, Wah Campus

Telecommunication Systems: Modelling, Analysis, Design and Management, 2018, vol. 67, issue 3, No 5, 443-450

Abstract: Abstract The next generation mobile communication (5G) systems is targeting very high data rate by deploying more number of small cells, but this deployment results in high cross-tier interference because of using the same frequency band. To solve this challenge, an efficient power control scheme is desired specially for the case of uplink scenario. Thus, to solve this challenge, we propose the neighbors’ interference situation-aware uplink power control (IA-ULPC) scheme to reduce the cross-tier interference. In this scheme, we consider the interference situation of the neighbor cells while controlling the power of the users. Moreover, we also derive the target signal-to-interference and noise-ratio ( $$P_0$$ P 0 ) equation to dynamically adjust it based on the neighbors’ base station interference situation. We compare the performance of the proposed IA-ULPC with the conventional fractional power control scheme (C-FPC). The extensive system-level simulations are carried out to prove the validity of the proposed IA-ULPC scheme which almost doubles the user average throughput and also decreases the interference around 20% in dense two-tier heterogeneous network environment as compared to C-FPC.

Keywords: Uplink power control; 5G systems; HetNet; Uplink interference reduction (search for similar items in EconPapers)
Date: 2018
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Citations: View citations in EconPapers (2)

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DOI: 10.1007/s11235-017-0350-z

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