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在无线通信领域，如何进一步提高无线频谱的使用效率是近些年来各种新技术所试图解决的核心问题。尤其是当我国全面进入WTO后，移动通信产业随着同世界全面接轨将面临新的挑战。目前，频率资源的投入已成为全球各运营商资金投入成本的重要组成部分。可以预言，在我国频率资源不
In the field of wireless communications, how to further improve the use efficiency of wireless spectrum is a core issue that various new technologies try to solve in recent years. Especially after China’s full accession to the WTO, the mobile communication industry will face new challenges as it is fully integrated with the world. At present, the input of frequency resources has become an important part of the global operators’ capital investment costs. It can be predicted that frequency resources in my country do not