Adaptive joint call admission control scheme for LTE-A in mobile communication network and its performance analysis

Anupam Gautam () and Selvamuthu Dharmaraja ()
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Anupam Gautam: Netaji Subhas University of Technology
Selvamuthu Dharmaraja: Indian Institute of Technology Delhi

OPSEARCH, 2025, vol. 62, issue 1, No 13, 307-321

Abstract: Abstract In long term evolution-advanced (LTE-A) different radio access technologies coexist due to multi-node receivers and antennas. Under such a scenario, user experience, Quality of Service(QoS), and the loss becomes paramount goal. The main objective of this paper is to develop a new model such that it can serve a heterogeneous network environment and maintain a good Quality of Service. JCAC is a critical scheme for the acceptance in the decision process of accepting an incoming call, relies on certain criteria such as Quality of Service, user experience, and minimization of the cost. If accepted, JCAC decides on the RAT of the interface over which the connection is to be established. The JCAC scheme is introduced in this paper for three inter-RAT interfaces: Best Effort (BE), Non-Real Time (NRT), and Real-Time (RT), based on the measures such as, QoS and network load. To formulate the performance model of the proposed JCAC scheme efficiently, a framework of Generalized Stochastic Petri Nets (GSPNs) is employed. Performance assessment of this GSPN under various real life situations have been discussed, further steady state probabilities are obtained under these cases.

Keywords: Joint call admission control (JCAC); Generalized stochastic petri nets (GSPN); Wireless networks; Load; Quality of service (QoS); Resource allocation (search for similar items in EconPapers)
Date: 2025
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DOI: 10.1007/s12597-024-00774-0

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