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    • 52. 发明申请
    • METHOD AND DEVICE FOR DETECTING LTE FRAME SYNCHRONIZATION, AND RELAY DEVICE APPLYING THE SAME
    • 用于检测LTE帧同步的方法和设备,以及应用它的继电器件
    • US20160337998A1
    • 2016-11-17
    • US15106354
    • 2014-08-14
    • SOLiD, INC.
    • Hyunchae KIM
    • H04W56/00H04L5/00H04J11/00
    • H04W56/0035H04B7/155H04J11/0069H04J2211/005H04L5/0007H04L27/2628H04W56/0005
    • There is provided a device for detecting LTE frame synchronization, including: a CP correlator calculating a correlation of a cyclic prefix (CP) included in each orthogonal frequency division multiplexing (OFDM) symbol of an LTE signal processed digital conversion; a frequency offset compensation unit compensating a frequency offset for a synchronization signal in the LTE signal by using a symbol frequency offset calculated based on the CP correlation; a synchronization signal correlation calculation unit performing a correlation calculation in a time domain with respect to the synchronization signal, of which the frequency offset is compensated, by considering a symbol start timing obtained based on the CP correlation; and a frame synchronization detection unit detecting the frame synchronization of the LTE signal based on a result of the correlation calculation for the synchronization signal.
    • 提供了一种用于检测LTE帧同步的装置,包括:CP相关器,其计算包括在LTE信号处理的数字转换的每个正交频分复用(OFDM)符号中的循环前缀(CP)的相关性; 频率偏移补偿单元,其通过使用基于所述CP相关计算的符号频率偏移来补偿所述LTE信号中的同步信号的频率偏移; 同步信号相关计算单元通过考虑基于CP相关获得的符号开始定时,对相对于补偿了频率偏移的同步信号的时域执行相关计算; 以及帧同步检测单元,基于同步信号的相关计算结果来检测LTE信号的帧同步。
    • 54. 发明申请
    • RELAY SYSTEM IN RING TOPOLOGY
    • 环形拓扑中的继电器系统
    • US20160277114A1
    • 2016-09-22
    • US14411485
    • 2014-08-14
    • SOLID, INC.
    • Do Yoon KIMKwang Nam SEOHee Gon KIM
    • H04B10/275H04B10/25H04B10/29
    • H04Q11/0005H04B10/038H04B10/0771H04B10/25H04B10/275H04B10/2755H04B10/29H04Q2011/0045
    • A master unit configured to manage a plurality of remote units connected in a ring topology, the master unit comprising: a network management section configured to transmit at least one of a path-state monitoring control signal and a delay measurement control signal to the plurality of remote units in a first direction and a second direction which is a reverse direction of the first direction, and receives an acknowledgement signal in response to the at least one of a path-state monitoring control signal and a delay measurement control signal; and switching control means for transmitting a forward signal received from a base station in the first direction, and transmitting a switching control signal in the second direction when a defect is detected in any remote unit among the plurality of remote units by the network management section.
    • 主单元,被配置为管理以环形拓扑连接的多个远程单元,所述主单元包括:网络管理单元,被配置为将路径状态监视控制信号和延迟测量控制信号中的至少一个发送到所述多个 远程单元在第一方向和第二方向上是第一方向的相反方向,并且响应于路径状态监视控制信号和延迟测量控制信号中的至少一个接收确认信号; 以及切换控制装置,用于在第一方向上发送从基站接收的前向信号,并且当在网络管理部分中的多个远程单元中的任何远程单元中检测到缺陷时,发送第二方向的切换控制信号。