摘要:从双工方式、频段分布、物理层信道结构、无线参数、多天线技术等方面对FDD 2.1G技术在5G中的技术方案进行论述。通过应用实例,从覆盖、速率等多个指标把2.1G FDD NR与3.5G TDD NR以及2.1G FDD LTE的性能进行比较和分析,论述2.1G FDD NR的优势与不足。研究了2.1G FDD NR和2.1G FDD LTE的频谱共享方案。该技术具有较好的技术指标和应用前景。
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