2015年世界无线电大会（WRC-15）的1.1议题（AI 1.1）正在开展关于新增频谱用于未来移动通信的相关研究。3300〜3400 MHz频段具有较宽带宽，此频段适于移动宽带系统在密集城区提供高速数据传输业务，满足移动宽带系统对于频谱容量的需求。我国在这一频段目前主要存在无线电定位业务。本文分析了如果在3300〜3400 MHz频段引入IMT室内系统，保护已有无线电定位业务所需的隔离要求。%WRC-15 Agenda Item 1.1 is considering additional spectrum allocations to the mobile service and identification of additional frequency bands for IMT. China proposed 3 300~3 400 MHz band to be one of the suitable frequency ranges to be considered as potential candidate bands for IMT mainly because that the propagation characteristics of this band are suitable for use in dense urban areas where the deployment of mobile networks is typically capacity limited and this band is capable of providing contiguous bandwidths. In China, radar system is the major application service in this band. This paper carries out the compatibility studies between radar system and IMT indoor system.
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