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    • 33. 发明授权
    • Direct feedback equalization with dynamic referencing
    • 直接反馈均衡与动态参考
    • US08634500B2
    • 2014-01-21
    • US13431009
    • 2012-03-27
    • Zuxu QinRajesh KumarDawei HuangJing ShiDeqiang Song
    • Zuxu QinRajesh KumarDawei HuangJing ShiDeqiang Song
    • H03K9/00
    • H04L25/062H04L2025/0349
    • A receiver circuit includes a first slicer coupled to receive data signals from a signal path and a reference voltage from a reference voltage path that is separate from the signal path. The first slicer is configured output a logic value based on a comparison between a voltage of the data signal and the reference voltage. The receiver circuit further includes a reference voltage generator configured to generate the reference voltage. The reference voltage generator is configured to dynamically generate the reference voltage based on logic values of previously received signals during operation in a first mode. During operation in a second mode, the reference voltage generator is configured to generate and provide the reference voltage as a static voltage.
    • 接收器电路包括耦合以从信号路径接收数据信号的第一限幅器和与信号路径分离的参考电压路径的参考电压。 第一限幅器被配置为基于数据信号的电压与参考电压之间的比较来输出逻辑值。 接收器电路还包括被配置为产生参考电压的参考电压发生器。 参考电压发生器被配置为基于在第一模式中的操作期间先前接收到的信号的逻辑值来动态地产生参考电压。 在第二模式的操作期间,参考电压发生器被配置为产生并提供参考电压作为静态电压。
    • 34. 发明申请
    • Direct Feedback Equalization with Dynamic Referencing
    • 直接反馈均衡与动态参考
    • US20130259162A1
    • 2013-10-03
    • US13431009
    • 2012-03-27
    • Zuxu QinRajesh KumarDawei HuangJing ShiDeqiang Song
    • Zuxu QinRajesh KumarDawei HuangJing ShiDeqiang Song
    • H04L25/10H04B1/16
    • H04L25/062H04L2025/0349
    • A receiver circuit includes a first slicer coupled to receive data signals from a signal path and a reference voltage from a reference voltage path that is separate from the signal path. The first slicer is configured output a logic value based on a comparison between a voltage of the data signal and the reference voltage. The receiver circuit further includes a reference voltage generator configured to generate the reference voltage. The reference voltage generator is configured to dynamically generate the reference voltage based on logic values of previously received signals during operation in a first mode. During operation in a second mode, the reference voltage generator is configured to generate and provide the reference voltage as a static voltage.
    • 接收器电路包括耦合以从信号路径接收数据信号的第一限幅器和与信号路径分离的参考电压路径的参考电压。 第一限幅器被配置为基于数据信号的电压与参考电压之间的比较来输出逻辑值。 接收器电路还包括被配置为产生参考电压的参考电压发生器。 参考电压发生器被配置为基于在第一模式中的操作期间先前接收到的信号的逻辑值来动态地产生参考电压。 在第二模式的操作期间,参考电压发生器被配置为产生并提供参考电压作为静态电压。
    • 35. 发明申请
    • METHOD FOR CALIBRATING ANTENNA RECIPROCITY IN A BASE STATION OF WIRELESS NETWORK AND A DEVICE THEREOF
    • 用于在无线网络基站中校准天线回复的方法及其设备
    • US20130114459A1
    • 2013-05-09
    • US13810487
    • 2011-07-15
    • Qinglin LuoJing ShiYan Zhao
    • Qinglin LuoJing ShiYan Zhao
    • H04W24/00
    • H04W24/00H04B7/024H04B17/12H04W24/08
    • The present invention provides a method and device for calibrating antenna reciprocity via OTA in a base station of wireless network, and the method comprises: determining, based on a predefined rule, a plurality of calibrating UEs out of a plurality of UEs, and antennas, to be calibrated by the plurality of calibrating UEs, of the plurality of base stations, wherein the plurality of calibrating UEs are configured to calibrate antennas of the plurality of base stations; and calibrating, according to the determined calibration relationship, the antennas reciprocity of the plurality of base stations based on the plurality of calibrating UEs. With the method of present invention, communication channel model can be calibrated effectively so as to enhance antenna reciprocity in CoMP scenario.
    • 本发明提供了一种用于在无线网络的基站中经由OTA来校准天线互易性的方法和装置,并且所述方法包括:基于预定规则,确定多个UE中的多个校准UE以及天线, 由所述多个基站中的多个校准UE校准,其中所述多个校准UE被配置为校准所述多个基站中的天线; 以及根据所确定的校准关系,基于所述多个校准UE来校准所述多个基站的天线互易性。 利用本发明的方法,可以有效地校准通信信道模型,以便增强CoMP场景中的天线互易性。
    • 36. 发明申请
    • SIGE HBT AND METHOD OF MANUFACTURING THE SAME
    • SIGT HBT及其制造方法
    • US20130113020A1
    • 2013-05-09
    • US13613236
    • 2012-09-13
    • Donghua LiuWenting DuanWensheng QianJun HuJing Shi
    • Donghua LiuWenting DuanWensheng QianJun HuJing Shi
    • H01L29/737H01L21/331
    • H01L29/66242H01L29/0821H01L29/7371
    • A SiGe HBT is disclosed, which includes: a silicon substrate; shallow trench field oxides formed in the silicon substrate; a pseudo buried layer formed at bottom of each shallow trench field oxide; a collector region formed beneath the surface of the silicon substrate, the collector region being sandwiched between the shallow trench field oxides and between the pseudo buried layers; a polysilicon gate formed above each shallow trench field oxide having a thickness of greater than 150 nm; a base region on the polysilicon gates and the collector region; emitter region isolation oxides on the base region; and an emitter region on the emitter region isolation oxides and a part of the base region. The polysilicon gate is formed by gate polysilicon process of a MOSFET in a CMOS process. A method of manufacturing the SiGe HBT is also disclosed.
    • 公开了一种SiGe HBT,其包括:硅衬底; 形成在硅衬底中的浅沟槽场氧化物; 形成在每个浅沟槽场氧化物的底部的伪掩埋层; 形成在所述硅衬底的表面下方的集电极区域,所述集电极区域夹在所述浅沟槽场氧化物之间和所述伪埋层之间; 形成在每个浅沟槽场氧化物上方的多晶硅栅极,其厚度大于150nm; 多晶硅栅极和集电极区域上的基极区域; 发射极区隔离氧化物; 并且发射极区域上的发射极区域隔离氧化物和基极区域的一部分。 多晶硅栅极通过CMOS工艺中的MOSFET的栅极多晶硅工艺形成。 还公开了制造SiGe HBT的方法。
    • 40. 发明申请
    • METHODS OF TRANSMITTING A SIGNAL IN A TIME DIVISION DUPLEXING MIMO SYSTEM AND ASSOCIATED APPARATUSES
    • 在时分双工MIMO系统中传输信号的方法和相关设备
    • US20120099469A1
    • 2012-04-26
    • US13380265
    • 2009-06-23
    • Qinglin LuoJing Shi
    • Qinglin LuoJing Shi
    • H04J3/00H04W24/00
    • H04B7/0434H04L25/0242H04W24/00
    • The present invention relates to methods of transmitting a signal in a time division duplexing MIMO system and associated apparatuses. According to a first aspect of the present invention, there is provided a method of transmitting a signal in an eNodeB of a time division duplexing multiple input multiple output system. The method includes: A. receiving a signal from a user equipment in a space division multiplexing group and estimating uplink channel characteristics according to the received signal; B. determining reciprocity calibration information between the uplink channel characteristics and downlink channel characteristics; C. determining a downlink precoding matrix using zero forcing according to the uplink channel characteristics and the calibration information and transmitting a downlink signal to the user equipment in the space division multiplexing group according to the determined downlink precoding matrix. And the step B further comprises receiving information associated with a downlink vector channel matrix fed back from the user equipment in the space division multiplexing group and selectively updating the calibration information according to the information associated with the downlink vector channel matrix.
    • 本发明涉及在时分双工MIMO系统和相关设备中发送信号的方法。 根据本发明的第一方面,提供了一种在时分双工多输入多输出系统的eNodeB中发送信号的方法。 该方法包括:A.接收来自空分复用组中的用户设备的信号,并根据接收到的信号估计上行链路信道特性; B.确定上行链路信道特性与下行链路信道特性之间的互易校准信息; C.根据上行链路信道特性和校准信息,使用零强制来确定下行链路预编码矩阵,并根据确定的下行链路预编码矩阵向空间复用组中的用户设备发送下行链路信号。 并且步骤B还包括接收与在空分多路复用组中从用户设备反馈的下行链路向量信道矩阵相关联的信息,并且根据与下行链路向量信道矩阵相关联的信息选择性地更新校准信息。