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    • 1. 发明授权
    • Active antenna, base station, method for refreshing amplitudes and phases, and method for processing signals
    • 有源天线,基站,振幅和相位刷新方法以及处理信号的方法
    • US08391377B2
    • 2013-03-05
    • US13026914
    • 2011-02-14
    • Yuanrong ZhuJianjun ChenZhubiao HeJianfeng WuMing XuYi ZhangYuntao ZhuPinghua He
    • Yuanrong ZhuJianjun ChenZhubiao HeJianfeng WuMing XuYi ZhangYuntao ZhuPinghua He
    • H04L27/00
    • H01Q1/246H01Q3/267H01Q3/34H04B7/0617H04B7/0842H04B17/11H04B17/21
    • An active antenna, a base station, a method for refreshing the amplitude and phase, and a signal processing method are disclosed to simplify the structure of a phase shifter and guarantee the reliability of the phase shifter. The active antenna or the base station includes an antenna dipole array, a transceiver array, a digital processing unit (DPU), and a transceiving calibration unit. During signal reception, the transceiver demodulates a radio frequency (RF) signal of the antenna dipole into an IQ analog signal, and outputs the IQ analog signal to the DPU; the DPU converts the demodulated IQ analog signal into an IQ digital signal, and performs digital beam forming (DBF) on the IQ digital signal according to the transceiving calibration unit; during signal transmission, the transceiver modulates the IQ analog signal of the DPU into an RF signal, and outputs the RF signal to the antenna dipole; the DPU converts a signal of a base band unit (BBU) into an IQ digital signal in serial/parallel (S/P) mode, and performs DBF on the IQ digital signal according to the transceiving calibration unit.
    • 公开了有源天线,基站,振幅和相位刷新的方法以及信号处理方法,以简化移相器的结构并保证移相器的可靠性。 有源天线或基站包括天线偶极子阵列,收发器阵列,数字处理单元(DPU)和收发校准单元。 在信号接收期间,收发器将天线偶极子的射频(RF)信号解调为IQ模拟信号,并将IQ模拟信号输出到DPU; DPU将解调的IQ模拟信号转换为IQ数字信号,并根据收发校准单元对IQ数字信号进行数字波束形成(DBF); 在信号传输期间,收发器将DPU的IQ模拟信号调制成RF信号,并将RF信号输出到天线偶极子; DPU将基带单元(BBU)的信号以串行/并行(S / P)模式转换为IQ数字信号,并根据收发校准单元对IQ数字信号执行DBF。
    • 7. 发明授权
    • 3D IC computer system
    • 3D IC电脑系统
    • US09439330B1
    • 2016-09-06
    • US14672198
    • 2015-03-29
    • Banqiu WuMing Xu
    • Banqiu WuMing Xu
    • H05K7/20G06F1/20
    • H05K7/20772H05K7/2079
    • A computer system includes central processing units designed by using reduced instruction set computing (RISC) strategy, dynamic random access memory (DRAM) packages manufactured by using three-dimensional integrated circuit (3D IC) stacked using through-silicon via (TSV) stacking processes, and liquid cooling approach. The system has advantages of low power consumption, fast DRAM access rate, high performance, high cooling efficiency, small form factor, and low costs. Cooling liquid could be water, oil, and ionic liquid. The heat generated in 3D IC chips is carried out by liquid coolant and dissipated to heat exchanger where cooling water dissipates heat to large water body such as river, reservoir, or ocean. The computer disclosed in this invention is suitable to be a server for application in datacenter.
    • 计算机系统包括通过使用精简指令集计算(RISC)策略设计的中央处理单元,使用通过使用硅通孔(TSV)堆叠处理堆叠的三维集成电路(3D IC)制造的动态随机存取存储器(DRAM)封装 ,和液体冷却方式。 该系统具有功耗低,DRAM访问速度快,性能高,冷却效率高,外形尺寸小,成本低等优点。 冷却液体可以是水,油和离子液体。 3D IC芯片产生的热量由液体冷却剂进行,并散发到热交换器,冷却水将热量散发到诸如河流,水库或海洋等大型水体。 本发明公开的计算机适合作为数据中心应用的服务器。
    • 8. 发明授权
    • Wireless communication system and downlink receiving power detection method therefor
    • 无线通信系统及其下行接收功率检测方法
    • US09049674B2
    • 2015-06-02
    • US13266292
    • 2010-04-09
    • Zhi ZhangMing XuMasayuki HoshinoDaichi Imamura
    • Zhi ZhangMing XuMasayuki HoshinoDaichi Imamura
    • H04B7/005H04W52/34
    • H04B7/0626H04L5/0051H04W52/343H04W72/0473
    • A wireless communication system and a method for detecting downlink receiving power in the system are disclosed. N cells in the system respectively transmit data to at least one receiving terminal via N resource blocks using the same time-frequency resources; multiple channel state information reference signals (CSI-RSs) of a corresponding cell are set in each resource block, and orthogonality is maintained among the CSI-RSs of all the cells, wherein N is an integer greater than 1. Said method includes: an additional demodulation reference signal (DM-RS) used for indicating a receiving power is set in a puncture position in the resource block of the first cell which corresponds to a CSI-RS set in a resource block of another cell; and the receiving power of said first cell is detected according to said additional DM-RS. By using said method, the receiving power of a single cell in N cells can be detected, and the system overhead is not increased.
    • 公开了一种用于检测系统中的下行链路接收功率的无线通信系统和方法。 系统中的N个小区通过使用相同的时间 - 频率资源的N个资源块分别向至少一个接收终端发送数据; 在每个资源块中设置相应小区的多信道状态信息参考信号(CSI-RS),并且在所有小区的CSI-RS之间保持正交性,其中N是大于1的整数。所述方法包括: 用于指示接收功率的附加解调参考信号(DM-RS)被设置在与另一个小区的资源块中的CSI-RS集相对应的第一小区的资源块中的删余位置; 并且根据所述附加DM-RS检测所述第一小区的接收功率。 通过使用该方法,可以检测N个小区中的单个小区的接收功率,并且不增加系统开销。