无线通信网络的动态增强无线电资源分配

W. Egner, V. Prabhu
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引用次数: 1

摘要

无线用户的移动性造成了需求的不确定性和无线电资源的非最佳利用。目前的无线网络是定期手动重新配置,以提高网络性能。这些网络重新配置和性能优化消耗了数千个工程小时,并且通常是通过反复试验来完成的。然而,这些努力的好处将被最小化,因为全球范围内日益激烈的竞争导致服务提供商动态地改变定价结构以吸引新客户并维持现有客户。无线服务资费和用户基础的这些变化会极大地影响网络的使用。这种不确定性进一步缩短了非动态调优网络达到最佳性能的时间。因此,动态地重新分配网络和无线电资源以最大化网络基础设施的使用和最小化网络成本的需求将变得越来越重要。本文提出了一种新的增强的无线资源动态分配方法,并利用现有全球标准移动(GSM)网络在几天内的配置和运行测量来评估该方案的性能影响。新的增强型动态无线电方法比目前使用的固定分配方案减少了10-20%的总无线电信道需求。与固定分配的无线电系统相比,这种新方法将无线电资源性能(每个Erlang的平均C/I)提高了2.4 dB。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Dynamic enhanced radio resource allocation for wireless communication networks
Mobility of the wireless user creates uncertainty in demand and non-optimum use of radio resources. Current wireless networks are periodically re-configured manually to improve network performance. These network reconfiguration and performance optimizations consume thousands of engineering hours and are often done by trial and error. However, the benefit of these efforts will be minimized as increasing competition throughout the world causes the service provider to dynamically change pricing structures to attract new customers and maintain existing customers. These changes in wireless service tariff and user base can drastically impact the network usage. This uncertainty further reduces the period of time a non-dynamically tuned network will perform optimally. Therefore, the need to reallocate the network and radio resources on the fly to maximize network infrastructure usage and minimize network costs will become increasingly important. This paper proposes a new enhanced method to dynamically allocate radio resources and evaluates the performance impact of this scheme using the configuration and operational measurements of an existing Global Standard Mobile (GSM) network over a period of several days. The new enhanced dynamic radio method reduces the total radio channel requirements by 10-20% over the currently used fixed allocation scheme. This new method improves the radio resource performance (the average C/I per Erlang) by 2.4 dB over a fixed allocation radio system.
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