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    • 5. 发明申请
    • CELL SEARCH AND SYNCHRONIZATION IN 5G
    • 5G中的细胞搜索和同步
    • WO2018087513A1
    • 2018-05-17
    • PCT/GB2017/053052
    • 2017-10-09
    • FUJITSU LIMITEDWEI, XushengMOULSLEY, Timothy
    • WEI, XushengMOULSLEY, Timothy
    • H04B1/7083H04J11/00H04W56/00
    • H04W48/16H04J11/0069H04J11/0073H04J11/0076H04W24/08H04W56/001H04W56/0015
    • in a scenario where a 5G wireless communication system will have vary wide bandwidth in the extremely high carrier frequency region, more than one channel raster value is employed for wide bandwidth configurations. With this method a terminal can have a coarse initial scan (S101 ) for first synchronisation signals of cells over the whole available bandwidth as a first synchronization step, and obtain necessary information (S102) for a finer resolution scan (S103) to detect a second synchronization signal of a cell in the second synchronization step. Based on the second detection, the terminal can find system information needed to connect to the cell Additionally, different synchronization sequences can be used for different carrier frequencies, hence the design and application of the synchronization sequences can take into account the properties of the carrier frequency such as delay spread and path toss. Frequency division multiplexing can be applied to synchronization sequences of neighbouring cells to avoid Interference,
    • 在5G无线通信系统在极高载波频率区域中将具有变化的宽带宽的情况下,对于宽带宽配置采用多于一个信道栅格值。 利用该方法,终端可以对整个可用带宽上的小区的第一同步信号进行粗略初始扫描(S101)作为第一同步步骤,并获得用于更精细分辨率扫描的必要信息(S102)(S103)以检测第二同步信号 在第二同步步骤中一个小区的同步信号。 基于第二次检测,终端可以找到连接到小区所需的系统信息。此外,不同的同步序列可以用于不同的载波频率,因此同步序列的设计和应用可以考虑载波频率的属性 如延迟传播和路径折腾。 频分复用可以应用于相邻小区的同步序列以避免干扰,