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TD-LTE(分时长期演进)系统建设面临着频谱资源受限,新旧网络并存,多运营商并存的诸多问题,灵活地进行F和D频段网络部署,策略地分阶段、按不同侧重点来进行混合部署方可有效的化解这些难题。从理论分析、网络规划建设出发,讨论TD-LTE系统采用F和D频段组网的优劣并进行对比分析,给出优选方案。建议采用F加D多频段混合组网的方式,即初期采用F频段快速建网做基础覆盖,后续采用D频段做容量补充。
The construction of TD-LTE system faces the problems of limited spectrum resources, coexistence of old and new networks and coexistence of multiple operators, and flexible deployment of F and D band networks. The system is strategically phased and focused on different aspects Mixed deployment can effectively solve these problems. Starting from theoretical analysis and network planning and construction, this paper discusses the advantages and disadvantages of TD-LTE system adopting F and D frequency band networking and compares and analyzes the advantages and disadvantages of TD-LTE system. It is recommended to adopt F plus D multi-band hybrid networking mode, that is, initially adopt F-band fast network construction as the basic coverage and follow-up with D-band capacity supplement.