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Optimum multi-service access selection over heterogeneous wireless networks

机译:异构无线网络上的最佳多服务访问选择

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摘要

This paper proposes a methodology to analyse connectivity over highly heterogeneous wireless networks. We consider a scenario comprising a large number of access elements and end users, who move and initiate different services according to some patterns. The framework that has been implemented takes periodic snapshots, each of them used to pose a different optimization problem. We take into account the intention of end users to have a connection (those with an active service), disregarding idle users, as well as the outcome of the previous problems (for instance, the base station a particular user was connected to). The feasibility of the methodology proposed in this work is assessed with a scenario over which we study different access selection strategies including the following criteria: price of resources, service affinity towards particular technologies as well as the willingness to reduce the number of handovers. The results validate the proposed methodology and highlight the impact that an appropriate design of the access selection strategy may have.
机译:本文提出了一种方法来分析高度异构的无线网络上的连接。我们考虑一种场景,其中包含大量访问元素和最终用户,他们根据某些模式移动和启动不同的服务。已实施的框架会定期拍摄快照,每个快照都会带来不同的优化问题。我们考虑到最终用户建立连接(那些具有活动服务的用户)的意图,不考虑空闲用户以及先前问题(例如,特定用户所连接的基站)的结果。在一个方案中评估了在这项工作中提出的方法的可行性,在该方案中,我们研究了不同的访问选择策略,包括以下标准:资源价格,对特定技术的服务亲和力以及减少切换次数的意愿。结果验证了所提出的方法,并强调了访问选择策略的适当设计可能产生的影响。

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