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首页> 外文会议>52nd IWCS/Focus International Wire amp; Cable Symposium; Nov 17-20, 2003; Philadelphia, Pennsylvania, USA >Tradeoff between Investments and Operation Costs in Broadband Networks in Low ROI Areas
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Tradeoff between Investments and Operation Costs in Broadband Networks in Low ROI Areas

机译：低投资回报率区域中宽带网络的投资与运营成本之间的权衡

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摘要

There is a decision of a number of countries to develop Broadband Services as they represent the next technological revolution. However, the high investments especially in the so-called Rural Areas are a challenge. In some countries, like Sweden, the deployment of Broadband networks is considered as an infrastructure and the operator building this network must offer it to all Service Providers so the end users may be able to select any of them. Usually the government supports economically the operators building networks in Rural Areas but even with this support the business cases are not always very positive. It is then necessary to find out methods for making the investments in such a way that the cash flow in the first years can be kept within reasonable limits. One way of reducing the initial construction costs is to decrease the population coverage in the first stages of the FTTH network implementation. The use of Wireless solutions in the uncovered areas can solve the service provisioning questions. The hybrid Cable-Wireless implementation will exist for a time. This approach will increase the operational costs. Here is discussed the economical tradeoff between FTTH network construction and Wireless implementation costs. It is found that a theoretical optimum exists for the FTTH coverage in each stage based in the population density distribution in the territory considered. As it is not possible to obtain a close formula, a numeric model has been developed.
机译：许多国家决定开发宽带服务，因为它们代表着下一次技术革命。然而，特别是在所谓的农村地区的高投资是一个挑战。在某些国家（例如瑞典），宽带网络的部署被视为基础设施，构建此网络的运营商必须将其提供给所有服务提供商，以便最终用户可以选择其中的任何一个。通常，政府会在经济上支持运营商在农村地区建立网络，但是即使有了这种支持，商业案例也不总是很积极。然后有必要找出进行投资的方法，以使第一年的现金流量可以保持在合理的范围内。减少初始建设成本的一种方法是在FTTH网络实施的第一阶段减少人口覆盖率。在未发现的区域中使用无线解决方案可以解决服务供应问题。混合无线实现将存在一段时间。这种方法将增加运营成本。这里讨论了FTTH网络建设和无线实施成本之间的经济平衡。已经发现，根据所考虑地区的人口密度分布，每个阶段的FTTH覆盖率存在理论上的最优值。由于无法获得近似公式，因此开发了数值模型。

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