Energy-Aware System-Level Evaluation of Post-Quantum TLS on Embedded User Equipment over a Disaggregated 5G Network

Sanzida Hoque; Abdullah Aydeger

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arXiv · 2607.03988

Energy-Aware System-Level Evaluation of Post-Quantum TLS on Embedded User Equipment over a Disaggregated 5G Network

Sanzida Hoque·Abdullah Aydeger

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Abstract

The transition to quantum-resistant security is a critical priority for the next generation of mobile networks, particularly within the disaggregated architecture of 5G. This paper presents an energy-aware system-level evaluation of Post- Quantum Cryptography (PQC) integrated into the Transport Layer Security (TLS) handshake on embedded User Equipment (UE). Using Raspberry Pi 5s as representative embedded processing platforms, we evaluate the performance of NIST-standardized combinations of classical and post-quantum signature and key exchange mechanisms (KEM), incorporating direct on-device power measurements to estimate per-handshake energy consumption. Results experimentally validate a strong coupling between latency and energy consumption, indicating that execution time is the dominant contributor to energy cost. Hash-based signature schemes incur up to 4x higher latency and 2x energy compared to lattice-based alternatives, while the impact of KEMs is comparatively smaller. The analysis further reveals that overall system performance is primarily constrained by cryptographic computation and concurrency-induced contention rather than network transport effects. These findings provide practical guidance for PQC deployment in mobile environments and demonstrate that lattice-based signatures offer a more favorable balance between security, efficiency, and scalability for 5G systems.

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BibTeX RIS

Sanzida Hoque, Abdullah Aydeger. 2026-07-04. Energy-Aware System-Level Evaluation of Post-Quantum TLS on Embedded User Equipment over a Disaggregated 5G Network. https://arxiv.org/abs/2607.03988

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