Admission Control Strategies in Wireless Communication Networks
Summary
Admission control constitutes a vital set of mechanisms in wireless communication networks, tasked with regulating the entry of new traffic flows to safeguard quality of service (QoS) for existing users. By evaluating network load, signal conditions and service requirements, admission control algorithms strive to strike a balance between resource utilisation and service guarantees. Traditional approaches include threshold-based schemes, which admit new calls only when resource usage lies below a fixed boundary, and resource reservation methods, which allocate capacity for high-priority or handover events. More advanced techniques exploit measurement-based feedback, predictive modelling or game-theoretic frameworks to anticipate demand and adapt admission parameters in real time. These strategies underpin cellular networks from third-generation systems through to modern 5G deployments, as well as wireless local area networks and emerging Internet of Things infrastructures. Their global significance is reflected in improved spectral efficiency, reduced blocking and call drop rates, and enhanced user experience under diverse traffic patterns and mobility scenarios.
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Admission Control Strategies in Wireless Communication Networks publication trend
The graph below shows the total number of articles in admission control strategies in wireless communication networks across all publications each year (not limited to Nature Index journals).
Technical terms
Admission control: The process of determining whether a new traffic flow may enter the network without violating QoS guarantees for active sessions.
Blocking probability: The probability that a call or connection request is denied admission due to insufficient available resources.
Call admission control (CAC): A set of rules and procedures in cellular networks governing the acceptance of new calls or data sessions.
Resource reservation mechanism: An approach that earmarks a portion of network capacity for specific services or handover events to uphold continuity.
Threshold mechanism: A strategy that permits new traffic only if a monitored resource usage metric remains below a predetermined limit.
Handoff: The process by which an ongoing call or data session is transferred from one base station to another as a user moves through the network.
References
- A Century-Long Challenge in Teletraffic Theory: Blocking Probability Evaluation for Overflow Loss Systems With Mutual Overflow. IEEE Access (2023).
- Analytical Model of the Connection Handoff in 5G Mobile Networks with Call Admission Control Mechanisms. Sensors (2024).
- Modelling of the access part of a multi-service mobile network with service priorities. EURASIP Journal on Wireless Communications and Networking (2015).
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