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    • 81. 发明授权
    • Implementing MIMO in mmWave wireless communication systems
    • 在mmWave无线通信系统中实现MIMO
    • US09537546B2
    • 2017-01-03
    • US13992753
    • 2011-12-08
    • Carlos CordeiroGuoqing LiVallabhajosyula S. SomayazuluBahareh B. SadeghiAli S. Sadri
    • Carlos CordeiroGuoqing LiVallabhajosyula S. SomayazuluBahareh B. SadeghiAli S. Sadri
    • H04B7/04H04B7/06H04L5/00H04W76/00
    • H04B7/0413H04B7/0452H04B7/0617H04B7/0691H04L5/0023H04W76/00
    • A system and method are provided to increase data rates available in mmWave wireless communication systems by adapting a multiple-input multiple-output (MIMO) in a next generation mmWave wireless communication system. The system and method advantageously employ the characteristics of mmWave antenna arrays, including multiple antenna elements in each antenna array, to implement the MIMO scheme by establishing multiple beamformed communication links between a mmWave transmitter and receiver. An outgoing signal is divided into multiple signal elements to correspond to the multiple beamformed links and each of the multiple signal elements is transmitted by the transmitter across a different one of the multiple beamformed links to be reassembled at the receiver. An antenna element allocation scheme is incorporated to assign specific numbers and configurations of antenna elements at each of the transmitted and receiver to each of the multiple beamformed communication links.
    • 提供了一种通过在下一代mmWave无线通信系统中适配多输入多输出(MIMO)来增加mmWave无线通信系统中的可用数据速率的系统和方法。 该系统和方法有利地采用了包括在每个天线阵列中的多个天线元件的mmWave天线阵列的特征,以通过在mmWave发射机和接收机之间建立多个波束形成的通信链路来实现MIMO方案。 输出信号被分成多个信号元件以对应于多个波束形成的链路,并且多个信号元素中的每一个由发射机跨越多个波束形成的链路中的不同的一个发射,以在接收机处重新组合。 并入天线元件分配方案,以将发送和接收的每个天线元件的特定数量和配置分配给多个波束形成的通信链路中的每一个。
    • 86. 发明授权
    • Method and apparatus for uplink synchronization control
    • 用于上行链路同步控制的方法和装置
    • US08897156B2
    • 2014-11-25
    • US13320537
    • 2010-05-11
    • Zhixue WangGuoqing LiYi ZhaoJiamin LiuYali ZhaoFangli Xu
    • Zhixue WangGuoqing LiYi ZhaoJiamin LiuYali ZhaoFangli Xu
    • H04J3/14H04J3/06
    • H04W56/0045H04W92/10
    • The present invention discloses a method for uplink synchronization control, wherein network side and a user equipment (UE) maintain a timing alignment timer (TAT) for the UE, and maintain an uplink transmission timing adjustment amount for uplink component carriers, and the method includes following steps: the network side measuring uplink component carriers of the UE, and obtaining an uplink transmission TA amount of the uplink component carriers; and before the TAT expires, the network side transmitting to the UE an adjustment command comprising information of the uplink transmission TA amount for at least one of the uplink component carriers of the UE. Also disclosed in the embodiments of the present invention are a method for uplink synchronization control at the UE side, and a base station and a UE for implementing the above methods. The solution of the present invention enables accurate adjustment of the uplink synchronization for each component carrier in a carrier aggregation mechanism.
    • 本发明公开了一种上行链路同步控制方法,其中网络侧和用户设备(UE)维护用于UE的定时对准定时器(TAT),并维持上行链路分量载波的上行链路传输定时调整量,该方法包括 以下步骤:网络侧测量UE的上行链路分量载波,并获得上行链路分量载波的上行链路传输TA量; 并且在TAT到期之前,网络侧向UE发送包括UE的上行链路分量载波中的至少一个的上行链路传输TA的信息的调整命令。 在本发明的实施例中也公开了一种用于UE侧的上行链路同步控制的方法,以及用于实现上述方法的基站和UE。 本发明的解决方案能够准确地调整载波聚合机制中的每个分量载波的上行链路同步。
    • 90. 发明申请
    • METHOD AND APPARATUS FOR DEVICE HANDOVER
    • 用于设备切换的方法和装置
    • US20140031038A1
    • 2014-01-30
    • US14002114
    • 2012-01-13
    • Ying WangGuoqing LiChen Li
    • Ying WangGuoqing LiChen Li
    • H04W36/26
    • H04W36/26H04W4/06H04W36/0083
    • Disclosed in the present invention are a method and an apparatus for device handover, which belongs to the mobile communication field. The method comprises the following steps: obtaining a Multimedia. Broadcast Multicast Service (MBMS) service configuration information of neighbor cells; selecting a target cell for a user equipment according to the MBMS service configuration information of the neighbor cells and the MBMS service reception information of the user equipment; handing over the user equipment to the target cell. The apparatus comprises: an acquiring module, for obtaining the Multimedia Broadcast Multicast Service (MBMS) service configuration information of the neighbor cells; a selecting module, for selecting a target cell for a user equipment according to the MBMS service configuration information of the neighbor cells and the MBMS service reception information of the user equipment; a handover module, for handing over the user equipment to the target cell. With the implementation of the technical solution that the MBMS service configuration information of the neighbor cells is obtained, the target cell for the user equipment is selected according to the MBMS service configuration information and the MBMS service reception information of the user equipment, and the user equipment is handed over to the target cell, the present invention enables the user equipment to switch to an appropriate target cell.
    • 在本发明中公开了一种属于移动通信领域的设备切换的方法和装置。 该方法包括以下步骤:获得多媒体。 相邻小区的广播组播业务(MBMS)业务配置信息; 根据相邻小区的MBMS服务配置信息和用户设备的MBMS服务接收信息,选择用户设备的目标小区; 将用户设备交给目标小区。 该装置包括:获取模块,用于获取相邻小区的多媒体广播多播服务(MBMS)业务配置信息; 选择模块,用于根据相邻小区的MBMS服务配置信息和用户设备的MBMS服务接收信息来选择用户设备的目标小区; 切换模块,用于将用户设备移交给目标小区。 通过实现获得相邻小区的MBMS服务配置信息的技术方案,根据用户设备的MBMS服务配置信息和MBMS服务接收信息来选择用户设备的目标小区,用户 设备被切换到目标小区,本发明使得用户设备能够切换到适当的目标小区。