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|Title:||Adaptive quality of service handoff priority scheme for mobile multimedia networks||Authors:||Zhuang, W.
|Issue Date:||Mar-2000||Citation:||Zhuang, W., Bensaou, B., Chua, K.C. (2000-03). Adaptive quality of service handoff priority scheme for mobile multimedia networks. IEEE Transactions on Vehicular Technology 49 (2) : 494-505. ScholarBank@NUS Repository. https://doi.org/10.1109/25.832981||Abstract:||For various advantages including better utilization of radio spectrum (through frequency reuse), lower mobile transmit power requirements, and smaller and cheaper base station equipment, future wireless mobile multimedia networks are likely to adopt micro/picocellular architectures. A consequence of using small cell sizes is the increased rate of call handoffs as mobiles move between cells during the holding times of calls. In a network supporting multimedia services, the increased rate of call handoffs not only increases the signaling load on the network, but makes it very difficult for the network to guarantee the quality of service (QoS) promised to a call at setup or admission time. This paper describes an adaptive QoS handoff priority scheme which reduces the probability of call handoff failures in a mobile multimedia network with a micro/picocellular architecture. The scheme exploits the ability of most multimedia traffic types to adapt and trade off QoS with changes in the amount of bandwidth used. In this way, calls can trade QoS received for fewer handoff failures. The call level and packet level performance of the handoff scheme are studied analytically for a homogeneous network supporting a mix of wide-band and narrow-band calls. Comparisons are made to the performance of the nonpriority handoff scheme and the well-known guard-channel handoff scheme.||Source Title:||IEEE Transactions on Vehicular Technology||URI:||http://scholarbank.nus.edu.sg/handle/10635/61767||ISSN:||00189545||DOI:||10.1109/25.832981|
|Appears in Collections:||Staff Publications|
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