A COORDINATED, NETWORK-AWARE GUARD CHANNEL SCHEME WITH INTER-CELL COMMUNICATION
DOI:
https://doi.org/10.33003/fjs-2026-1004-4649Keywords:
Guard Channel Scheme, Handoff Management, Inter-Cell Communication, Resource Allocation, Quality of Service (QoS)Abstract
The bane of traditional guard channel schemes is its reliance on static allocation which makes it lack broader network awareness. This has resulted to improper utilization of available spectrum and increase in call-dropping rates in unstable traffic conditions. This paper suggests the Coordinated, Network-Aware Guard Channel (CNAGC) scheme. In the methodology, a centralized Network Controller (NC) is integrated with real-time inter-cell communication links. A mathematical model and an optimization algorithm were developed to dynamically adjust guard channel thresholds based on a Global Network State Database, predicted mobility patterns, and neighbouring cell loads. Contrary to conventional strategies, the CNAGC scheme does not prevent neighbouring cells from accepting handoffs when local resources have been used up because it allows base stations to coordinate directly. It was discovered from simulation results that the CNAGC scheme has the best performance when compared with traditional Fixed Guard Channel (FGC) and local Dynamic Guard Channel (DGC) schemes. The handoff dropping probability for CNAGC is 2.5%, compared to 6.8% and 5.5% for FGC and DGC respectively during handoff heavy scenarios. Also, the scheme has the least new call blocking rate of 4.8% and the best channel utilization of 82% compared to 75% utilization of the traditional fixed models. In dense cellular environments, the CNAGC scheme offers a versatile approach for managing resources. The suitability of the scheme for next-generation wireless networks is enhanced by its ability to capitalize on global network intelligence and local inter-cell coordination which brings about optimum spectrum efficiency and a seamless user experience.
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Copyright (c) 2026 Oyedele Oluwasanya; Emmanuel Akinola Kayode, Ayodele Aina Daniel
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