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在3G及4G通信网络系统大规模建设中,对于2G站间距较小的区域,应充分利用已有2G站址资源,采取共建共享的建设模式。一方面,可以节省投资;另一方面,可加快无线接入网络建设速度,让用户更快、更好地享受高速网络体验。多系统共建共享时,光缆和电源线的数量会进一步增多,对馈线窗提出了更高的要求。本文总结了目前常见馈线窗产品的结构及缺点,在此基础上,介绍了一种新型馈线窗。分析表明,新型馈线窗不仅可以满足多系统共建共享需求,还可降低施工难度和工程造价,应在后期网络建设中推广使用。
In the large-scale construction of 3G and 4G communication network systems, for areas with small 2G station spacing, the existing 2G site resources should be fully utilized and the construction mode of joint construction and sharing should be adopted. On the one hand, it can save investment; on the other hand, it can speed up the construction of wireless access network and make users enjoy the high-speed network experience faster and better. Multi-system co-construction and sharing, the number of optical cables and power lines will be further increased, the feeder window put forward higher requirements. This article summarizes the current structure and disadvantages of common feeder window products, and on this basis, introduces a new feeder window. The analysis shows that the new feeder window can not only meet the needs of co-construction and sharing of multiple systems, but also reduce the construction difficulty and project cost, and should be popularized and used in the later network construction.