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首先从理论上详细研究了GSM系统本身具备的抗干扰技术 ,如跳频技术、间断发射技术和动态功率控制技术等 ,并分析它们在实际网络中的运用效果 ,同时列举了我们取得和经过验证的一些宝贵的经验数据。在此基础上 ,报告从3个方面 ,即更紧密的频率复用技术、微小区及多层网技术、双频网技术等方面进一步研究了GSM的各种提高频谱利用率、扩展网络容量的技术手段。同时 ,分别分析了各种技术对提高网络容量的作用和局限性。
Firstly, the anti-jamming technology such as frequency hopping technology, intermittent transmitting technology and dynamic power control technology of GSM system are studied in detail theoretically, and their application effects in real networks are analyzed. At the same time, Some valuable experience data. On this basis, the report further studies various aspects of improving the spectrum utilization rate and network capacity of the GSM from three aspects, that is, closer frequency reuse technology, micro cell and multi-layer network technology, dual-frequency network technology and the like Technical means At the same time, the roles and limitations of various technologies on improving network capacity have been analyzed respectively.