A Queuing Theoretic Scheme for a QoS-Enabled 4G Wireless Access
- Publication Type:
- Conference
- Issue Date:
- 2007-03-12T22:05:34Z
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There will be heterogeneous wireless access networks in 4G systems, e.g., WLAN, UTRAN etc. The networks will need to support QoS provisioning and full mobility. For each connection request by a mobile user in such networks, there will be need for a scheme for selecting the best network from among the available networks. The research proposes a scheme that selects the best network based on the user_s QoS requirements. The scheme models each radio access network as a network of queuing nodes. This model then uses the network state (e.g. traffic arrival and service rates) to compute the end-to-end QoS parameter statistics (e.g., delay and throughput) of user traffic flow through each available network. We postulate that the statistics indicate the QoS capabilities of the network and can therefore be used to select the best network to serve the mobile user.
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