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[Other] lte DL : 0: LTE在TDD模式下，不同插值方法的信道估计-LTE In the TDD mode, a different interpolation method of channel estimation
Date : 2026-01-10 Size : 12.3mb User : HM
[Other] R8 DL : 0: LTE系统网络架构更加扁平化简单化，减少了网络节点和系统复杂度，从而减小了系统时延，也降低了网络部署和维护成本。LTE系统支持与其他3GPP系统互操作。根据双工方式不同LTE系统分为FDD-LTE（Frequency Division Duplexing）和TDD-LTE (Time Division Duplexing)，二者技术的主要区别在于空口的物理层上（像帧结构、时分设计、同步等）。FDD系统空口上下行采用成对的频段接收和发送数据，而TDD系统上下行则使用相同的频段在不同的时隙上传输，较FDD双工方式，TDD有着较高的频谱利用率。(The network structure of LTE system is more flat and simple, which reduces the network node and system complexity, thus reducing system delay and reducing the network deployment and maintenance costs. The LTE system supports interoperability with other 3GPP systems. According to the different ways of duplex LTE system is divided into FDD-LTE (Frequency Division Duplexing) and TDD-LTE (Time Division Duplexing), the main difference between the two techniques in physical layer on the interface (such as frame structure, time synchronization design, etc.). FDD system interface using paired downlink band transmit and receive data, while the TDD system uses the same frequency band downlink transmission in different time slots, FDD duplex mode, TDD has a higher spectrum utilization rate.)
Date : 2026-01-10 Size : 22.55mb User : LIU__