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    • 1. 发明申请
    • Distributed Antenna System and its Data Transmission Method and Central Controller
    • 分布式天线系统及其数据传输方法和中央控制器
    • US20110299573A1
    • 2011-12-08
    • US12999210
    • 2009-06-18
    • Shaohui SunYunzhe HouYingmin WangYongbin Xie
    • Shaohui SunYunzhe HouYingmin WangYongbin Xie
    • H04B1/38
    • H04B7/024
    • A data transmission method and central controller for a distributed antenna system and a distributed antenna system. The system includes a central controller and multiple wireless transceiver units. The method includes that wireless transceiver units measure the power of the pilot reference signals received from user terminals and forward this power rate to a central controller; the central controller selects a set of wireless transceiver units for transmitting data to the terminal according to the pilot reference signal power rates of the terminals forwarded by the multiple wireless transceiver units; the central controller performs data processing according to said set of wireless transceiver units; the central controller distributes the processed data to the wireless transceiver units in said set of wireless transceiver units, and the wireless transceiver units in said set perform the downlink data transmission.
    • 一种用于分布式天线系统和分布式天线系统的数据传输方法和中央控制器。 该系统包括一个中央控制器和多个无线收发器单元。 该方法包括:无线收发单元测量从用户终端接收的导频参考信号的功率,并将该功率率转发给中央控制器; 中央控制器根据由多个无线收发器单元转发的终端的导频参考信号功率,选择一组用于向终端发送数据的无线收发单元; 所述中央控制器根据所述一组无线收发器单元进行数据处理; 所述中央控制器将所处理的数据分配给所述无线收发器单元组中的无线收发器单元,并且所述组中的无线收发器单元执行下行链路数据传输。
    • 2. 发明授权
    • Distributed antenna system and its data transmission method and central controller
    • 分布式天线系统及其数据传输方式和中央控制器
    • US08472409B2
    • 2013-06-25
    • US12999210
    • 2009-06-18
    • Shaohui SunYunzhe HouYingmin WangYongbin Xie
    • Shaohui SunYunzhe HouYingmin WangYongbin Xie
    • H04W4/00
    • H04B7/024
    • A data transmission method and central controller for a distributed antenna system and a distributed antenna system. The system includes a central controller and multiple wireless transceiver units. The method includes that wireless transceiver units measure the power of the pilot reference signals received from user terminals and forward this power rate to a central controller; the central controller selects a set of wireless transceiver units for transmitting data to the terminal according to the pilot reference signal power rates of the terminals forwarded by the multiple wireless transceiver units; the central controller performs data processing according to said set of wireless transceiver units; the central controller distributes the processed data to the wireless transceiver units in said set of wireless transceiver units, and the wireless transceiver units in said set perform the downlink data transmission.
    • 一种用于分布式天线系统和分布式天线系统的数据传输方法和中央控制器。 该系统包括一个中央控制器和多个无线收发器单元。 该方法包括:无线收发单元测量从用户终端接收的导频参考信号的功率,并将该功率率转发给中央控制器; 中央控制器根据由多个无线收发器单元转发的终端的导频参考信号功率,选择一组用于向终端发送数据的无线收发单元; 所述中央控制器根据所述一组无线收发器单元进行数据处理; 所述中央控制器将所处理的数据分配给所述无线收发器单元组中的无线收发器单元,并且所述组中的无线收发器单元执行下行链路数据传输。
    • 5. 发明申请
    • METHOD FOR TRANSMITTING A SIGNAL AND COMMUNICATIONS APPARATUS
    • 用于发送信号和通信设备的方法
    • US20120002660A1
    • 2012-01-05
    • US13235148
    • 2011-09-16
    • Lei WANXiaotao RenYongxia LVYunzhe Hou
    • Lei WANXiaotao RenYongxia LVYunzhe Hou
    • H04W92/00H04J3/00
    • H04L5/0035H04B7/024H04B7/0626H04L5/0048H04L5/0091
    • A method for transmitting a signal and a communications apparatus are provided. The method includes: obtaining a signal transmission mode, where the signal transmission mode indicates that an uplink signal is transmitted in a multiplexing mode; and transmitting the uplink signal on an uplink band and a downlink band in the multiplexing mode according to the obtained signal transmission mode. The communications apparatus includes: a first obtaining unit, configured to obtain a signal transmission mode, where the signal transmission mode indicates that an uplink signals is transmitted in a multiplexing mode; and a transmitting unit, configured to transmit the uplink signal on an uplink band and a downlink band in the multiplexing mode according to the obtained signal transmission mode. The technical solutions of embodiments of the present invention can reduce signaling overheads of the system and improve spectrum efficiency of the system when obtaining channel state information (CSI).
    • 提供一种用于发送信号和通信装置的方法。 该方法包括:获得信号传输模式,其中信号传输模式指示以复用模式发送上行链路信号; 以及根据所获得的信号传输模式,在复用模式中的上行链路频带和下行链路频带上发送上行链路信号。 通信装置包括:第一获取单元,被配置为获得信号传输模式,其中所述信号传输模式指示以多路复用模式发送上行链路信号; 以及发送单元,被配置为根据所获得的信号传输模式在多路复用模式中的上行链路频带和下行链路频带上发送上行链路信号。 本发明的实施例的技术方案可以减少系统的信令开销,并且在获得信道状态信息(CSI)时可以提高系统的频谱效率。
    • 7. 发明申请
    • UPLINK SYNCHRONIZATION METHOD AND APPARATUS
    • 上拉同步方法和装置
    • US20120087270A1
    • 2012-04-12
    • US13279972
    • 2011-10-24
    • Lei WanYongxia LvYunzhe Hou
    • Lei WanYongxia LvYunzhe Hou
    • H04W36/00H04L12/26H04W24/00H04W92/00
    • H04W56/0045
    • Embodiments of the present invention relates to an uplink synchronization method and apparatus, where the method includes: obtaining a timing advance of a second frequency point according to a timing advance of a first frequency point; and sending data at an uplink sending time corresponding to the timing advance of the second frequency point. According to embodiments of the present invention, the TA of the second frequency point can be obtained according to the TA of the first frequency point, and a RACH access process does not need to be performed at the second frequency point, which effectively reduces the network resources occupied by the RACH process, and shortens the produced delay, thereby improving the performance of the entire system.
    • 本发明的实施例涉及一种上行同步方法和装置,其中该方法包括:根据第一频点的定时提前获得第二频点的定时提前; 并且在与第二频率点的定时提前相对应的上行链路发送时间发送数据。 根据本发明的实施例,可以根据第一频点的TA获得第二频点的TA,并且不需要在第二频点执行RACH接入过程,这有效地减少了网络 RACH处理占用的资源,缩短产生的延迟,从而提高整个系统的性能。
    • 10. 发明授权
    • Uplink synchronization method and apparatus
    • 上行同步方法和装置
    • US09107160B2
    • 2015-08-11
    • US13279972
    • 2011-10-24
    • Lei WanYongxia LvYunzhe Hou
    • Lei WanYongxia LvYunzhe Hou
    • H04W56/00H04W36/00
    • H04W56/0045
    • Embodiments of the present invention relates to an uplink synchronization method and apparatus, where the method includes: obtaining a timing advance of a second frequency point according to a timing advance of a first frequency point; and sending data at an uplink sending time corresponding to the timing advance of the second frequency point. According to embodiments of the present invention, the TA of the second frequency point can be obtained according to the TA of the first frequency point, and a RACH access process does not need to be performed at the second frequency point, which effectively reduces the network resources occupied by the RACH process, and shortens the produced delay, thereby improving the performance of the entire system.
    • 本发明的实施例涉及一种上行同步方法和装置,其中该方法包括:根据第一频点的定时提前获得第二频点的定时提前; 并且在与第二频率点的定时提前相对应的上行链路发送时间发送数据。 根据本发明的实施例,可以根据第一频点的TA获得第二频点的TA,并且不需要在第二频点执行RACH接入过程,这有效地减少了网络 RACH处理占用的资源,缩短产生的延迟,从而提高整个系统的性能。