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X. Costa-Pérez

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#machine learning Preprint Oct 2026

TRACE: Tackling Real-World Resource Assignment Problems via Agentic Heuristic Design

Dynamic resource assignment, the real-time allocation of task streams to heterogeneous processing nodes, is the backbone of modern computing infrastructure. While learning-based schedulers excel in research, industrial deployments still rely on hand-written rules that operators can read, audit, and execute within tight...

J. Ayala-Romero, Andres Garcia-Saavedra, X. Costa-Pérez · 0 citations
#software testing Preprint Sep 2026

5G-Shark: A Network Security Auditor for 5G Subscriber Privacy and Unauthenticated Signalling Resilience

5G-Shark is presented, a security assessment tool and methodology that turns a legitimate mobility procedure against the subscriber, and empirical evidence that in several commercial deployments, temporary identifiers are re-allocated in near-sequential steps that keep successive values linkable, a weakness that enable...

Oscar Lasierra, Gines Garcia-Aviles, A. Skarmeta et al. · 0 citations
Review Open access 2026

Transport Network Management and Orchestration in 6G O-RAN: Standards, Frameworks, and Proposals

The evolution toward disaggregated, cloud-native, and multi-vendor architectures, as demonstrated by the open radio access network (O-RAN), together with the stringent performance requirements of sixth-generation (6G) networks, necessitates advanced transport network (TN) management and orchestration (M&O). Such capabi...

Khurshid Alam, Mohammad Asif Habibi, X. Costa-Pérez et al. · 0 citations

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