Reliability-Oriented Cellular Infrastructure Sharing for Resilient Urban Networks under Spatially Heterogeneous Demand, Coverage Failures, and Service Recovery Requirements
Keywords:
Infrastructure Sharing, Network Resilience, Coverage Failures, Spatial Heterogeneity, Service RecoveryAbstract
The proliferation of advanced urban cellular networks necessitates robust infrastructure capable of withstanding unexpected disruptions while catering to highly fluctuating user demands. This paper presents a comprehensive investigation into reliability-oriented cellular infrastructure sharing mechanisms designed to enhance the resilience of urban networks. Modern municipal environments are characterized by spatially heterogeneous traffic patterns and an increasing susceptibility to localized coverage failures stemming from extreme weather events, hardware malfunctions, or sudden power grid anomalies. Traditional redundant deployments by individual network operators are economically prohibitive and spatially inefficient. Therefore, this research proposes a dynamic, multi-operator infrastructure sharing framework that dynamically reallocates radio access network resources and backhaul capacities during degradation events. By integrating stochastic geometry with optimization theory, the study models the spatial distribution of demand and the probabilistic nature of base station failures. The proposed reliability-oriented optimization framework balances the immediate necessity of service recovery with the long-term operational costs of inter-operator sharing agreements. Algorithmic solutions are evaluated through extensive system-level simulations reflecting realistic urban topologies. The results demonstrate that cooperative resource pooling significantly reduces service downtime and improves overall user satisfaction metrics during cascaded network failures. Furthermore, the analysis highlights the critical thresholds of spatial demand heterogeneity where active infrastructure sharing becomes mathematically imperative for maintaining minimum service guarantees. Ultimately, this work provides a foundational theoretical model and actionable strategic guidelines for telecommunications operators and regulatory bodies aiming to foster resilient, shared telecommunications ecosystems in dense metropolitan areas.
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Copyright (c) 2026 Kea E. Olivier, Ethan Sithole, Bongani S. Radebe
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