Degeneracy-Aware Robustness Metrics for Heterogeneous Wireless Networks

Dey, Indrakshi, Hassan, Mohamed Khalafalla, Ghosh, Sayanti and Marchetti, Nicola (2026) Degeneracy-Aware Robustness Metrics for Heterogeneous Wireless Networks. IEEE Wireless Communications Letters, 15. pp. 3821-3825. ISSN 21622337

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Abstract

Future wireless networks increasingly face correlated failures where redundancy alone becomes brittle, motivating a shift from identical backups to degenerate alternatives that can take over via different implementations. This work introduces the first-ever degeneracy-aware robustness framework for heterogeneous wireless systems, formalizing when structurally different components deliver functionally equivalent service. We lift degeneracy into two operational metrics, Degeneracy-Weighted Path Robustness (DWPR) and Algorithmic Resilience Quotient (ARQ), spanning path-level and algorithm-level robustness in heterogeneous wireless systems. Numerical results under jamming, zero-day exploits, domain drift, and cross-layer shocks demonstrate clear robustness gains and graceful degradation compared with redundancy-only designs. With DWPR it is possible to sustain > 80% connectivity while baselines drop below 20% under mode-targeted jamming, while ARQ retains ~0.55 accuracy at maximal domain shift.

Item Type:	Article
Uncontrolled Keywords:	ARQ; correlated failures; Degeneracy; DWPR; FSS; MLDI; open RAN; robustness; virtualized wireless networks
Subjects:	Q Science > QA Mathematics > Electronic computers. Computer science T Technology > T Technology (General) > Information Technology > Electronic computers. Computer science Q Science > QA Mathematics > Algebra > Algorithms > Computer algorithms Q Science > QA Mathematics > Computer software > Computer Security T Technology > T Technology (General) > Information Technology > Computer software > Computer Security
Divisions:	School of Computing > Staff Research and Publications
Depositing User:	Tamara Malone
Date Deposited:	30 Jul 2026 10:29
Last Modified:	30 Jul 2026 10:29
URI:	https://norma.ncirl.ie/id/eprint/9486

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