Best-effort versus reservations: a simple comparative analysis
Proceedings of the ACM SIGCOMM '98 conference on Applications, technologies, architectures, and protocols for computer communication
A Rate-Based Borrowing Scheme for QoS Provisioning in Multimedia Wireless Networks
IEEE Transactions on Parallel and Distributed Systems
Bandwidth Adaptation Algorithms for Adaptive Multimedia Services in Mobile Cellular Networks
Wireless Personal Communications: An International Journal
On Quality of Service Optimization with Discrete QoS Options
RTAS '99 Proceedings of the Fifth IEEE Real-Time Technology and Applications Symposium
Optimal bandwidth allocation for bandwidth adaptation in wireless multimedia networks
Computers and Operations Research
An adaptive bandwidth reservation scheme for high-speed multimedia wireless networks
IEEE Journal on Selected Areas in Communications
Fundamental design issues for the future Internet
IEEE Journal on Selected Areas in Communications
Reource management at connection level for multimedia in wireless/mobile cellular networks
Journal of Mobile Multimedia
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Adaptive bandwidth allocation is becoming very attractive in wireless communications since it can dynamically adjust the allocated bandwidth of ongoing calls to cope with the network resource fluctuations. In this paper, we propose a utility-based bandwidth adaptation scheme for multi-class traffic QoS provisioning in wireless networks. With the proposed scheme, each call is assigned a utility function and depending on the network load the bandwidth of ongoing calls are upgraded or degraded so that the achieved utility of each individual cell is maximized. We also take into account the negative effects of bandwidth adaptation by integrating adaptation penalty into the utility function. Simulation experiments are carried out to evaluate the performance of the proposed scheme. Results show that our adaptive scheme is effective in both increasing cell utility and reducing the call blocking and handoff dropping probabilities of wireless networks.