Smooth is better than sharp: a random mobility model for simulation of wireless networks
MSWIM '01 Proceedings of the 4th ACM international workshop on Modeling, analysis and simulation of wireless and mobile systems
Characterizing mobility and network usage in a corporate wireless local-area network
Proceedings of the 1st international conference on Mobile systems, applications and services
Providing statistical QoS guarantee for voice over IP in the IEEE 802.11 wireless LANs
IEEE Wireless Communications
Performance Analysis of the WLAN-First Scheme in Cellular/WLAN Interworking
IEEE Transactions on Wireless Communications
Performance analysis of the IEEE 802.11 distributed coordination function
IEEE Journal on Selected Areas in Communications
Resource management for QoS support in cellular/WLAN interworking
IEEE Network: The Magazine of Global Internetworking
Admission control in the IEEE 802.11e WLANs based on analytical modelling and game theory
GLOBECOM'09 Proceedings of the 28th IEEE conference on Global telecommunications
A new call admission control scheme for heterogeneous wireless networks
IEEE Transactions on Wireless Communications
On the compound impact of opportunistic scheduling and D2D communications in cellular networks
Proceedings of the 16th ACM international conference on Modeling, analysis & simulation of wireless and mobile systems
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In an integrated WLAN and cellular network, if all mobile users whose connections originate in the cellular network migrate to the WLAN whenever they enter the double coverage area, the WLAN will be severely congested and its users will suffer from performance degradation. Therefore, we propose a Call Admission Control (CAC) algorithm that allows the WLAN to limit downward Vertical Handovers (VHOs) from the cellular network to reduce unnecessary VHO processing. Numerical and simulation results demonstrate that our CAC scheme reduces the unnecessary VHO processing while keeping the DVHO blocking rate within acceptable limits and maintaining reasonable throughput in the WLAN.