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许多通信公司都在努力建设其接入网,以适应更多居民的需要,但是他们却遇到成本过高的问题.在人口稠密城市,如果不增装新的数字用户线并在环路电子器件上大量投资,原有的、往往过时的基础设施就无法承担千百万新用户的额外负荷.在通常缺少基础设施的农村,扩建网路一般意味着要在新电缆和新交换机上花非常高的成本.为了解决这类问题,本地环路系统采用了可从铜线、光纤和无线中获得更大效益的技术.尤其是无线本地环路(WLL),当传统有线方案过于昂贵或无法实现时,很多场合可加以采用.
Many telecommunications companies are struggling to build their access network to accommodate the needs of more residents, but they are experiencing the problem of over-costing.In densely populated cities, without the addition of new digital subscriber lines and the addition of loop electronics Large investment in devices, the original, often outdated infrastructure can not afford the additional load of millions of new users in the often lacking infrastructure in rural areas, the expansion of the network usually means that the new cable and the new switch to spend very High cost.To solve such problems, the local loop system adopts the technology that can obtain more benefits from copper wire, optical fiber and wireless.Especially the wireless local loop (WLL), when the traditional wired scheme is too expensive or can not When implemented, many occasions can be used.