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September 3, 2026TelecomOpen Access

Joint Energy–Spectral Efficiency Trade-Offs in a Multi-Slice 5G-NR Uplink: A Link-Level Evaluation with Per-Slice PUSCH Configuration

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Authors

YSYahya SaeedLALway Faisal Abdulrazak

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Overview

Simulation study reveals distinct energy-spectral efficiency trade-offs across 5G network slices under co-channel interference, indicating that slice-aware power control must adapt dynamically.

Key Points

  • Evaluate the joint energy efficiency and spectral efficiency trade-offs in a multi-slice 5G New Radio uplink configured for distinct service reliability targets with and without co-channel interference.
  • Evaluated link-level performance using a 3GPP-compliant simulator built on the MATLAB 5G Toolbox across 1,440 operating points.
  • Tested combinations of FR1 and FR2 frequency bands, propagation delay profiles, transmit power levels, and user distances from the base station.
  • Configured distinct physical uplink shared channels matched to block error rate targets of 10⁻³ for eMBB, 10⁻⁵ for URLLC, and 10⁻¹ for mMTC, evaluated with and without a co-channel fixed-service interferer.
  • Network slices occupy distinct regions of the energy efficiency–spectral efficiency plane ordered eMBB above mMTC above URLLC, with each exhibiting an interior energy-optimal transmit power.
  • Co-channel interference reduces line-of-sight eMBB peak throughput by approximately 25% and peak energy efficiency by roughly 50%, whereas mMTC demonstrates the highest resilience.
  • Interference drives a 16 dB migration in the energy-optimal transmit power for URLLC, demonstrating that optimal operating points depend heavily on active interference.

Cite This Study

Saeed et al. (2026) studied this question.

synapsesocial.com/papers/6a993547636c6408cfa7d63fhttps://doi.org/10.3390/telecom7050112
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