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    • 43. 发明申请
    • Method and Apparatus for Uplink Synchronization Control
    • 上行同步控制方法与装置
    • US20120063425A1
    • 2012-03-15
    • US13320537
    • 2010-05-11
    • Zhixue WangGuoqing LiYi ZhaoJiamin LiuYali ZhaoFangli Xu
    • Zhixue WangGuoqing LiYi ZhaoJiamin LiuYali ZhaoFangli Xu
    • H04W56/00
    • 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。
    • 44. 发明申请
    • METHOD AND SYSTEM OF MAPPING DISPLAYPORT OVER A WIRELESS INTERFACE
    • 在无线接口上绘制显示的方法和系统
    • US20120063376A1
    • 2012-03-15
    • US12882506
    • 2010-09-15
    • SRIKANTH KAMBHATLAGuoqing Li
    • SRIKANTH KAMBHATLAGuoqing Li
    • H04W40/00
    • G09G5/363G09G5/006G09G2370/04G09G2370/10G09G2370/12G09G2370/16
    • A method and system to facilitate the mapping of the DisplayPort standard over a wireless interface. The wireless interface uses a communication protocol that operates in accordance with, but is not limited to, a wireless gigabit alliance (WGA) standard, a Institute of Electrical and Electronics Engineers (IEEE) 802.11a/b/g, IEEE 802.11n, and other IEEE wireless standards, a Bluetooth standard, a Ultra-wideband (UWB) standard, and a 3rd Generation Partnership Project (3GPP) Long Term Evolution (LTE) standard. In one embodiment of the invention, it provides a definition for mapping the DisplayPort standard over a wireless interface to enable wireless display usage model with existing or new DisplayPort sink devices. The definition for mapping the DisplayPort standard over a wireless interface allows end-to-end interoperability of DisplayPort based wireless devices and facilitates the adoption of the definition as an industry standard in one embodiment of the invention.
    • 一种便于通过无线接口映射DisplayPort标准的方法和系统。 无线接口使用根据但不限于无线吉比特联盟(WGA)标准,电气和电子工程师协会(IEEE)802.11a / b / g,IEEE 802.11n和 其他IEEE无线标准,蓝牙标准,超宽带(UWB)标准和第三代合作伙伴计划(3GPP)长期演进(LTE)标准。 在本发明的一个实施例中,它提供了用于通过无线接口映射DisplayPort标准以使得能够利用现有的或新的DisplayPort宿设备实现无线显示使用模型的定义。 通过无线接口映射DisplayPort标准的定义允许基于DisplayPort的无线设备的端到端互操作性,并且有助于在本发明的一个实施例中将定义作为工业标准采用。
    • 45. 发明授权
    • Device, system and method of mitigating interference in a wireless network
    • 减轻无线网络干扰的设备,系统和方法
    • US08040983B2
    • 2011-10-18
    • US11865737
    • 2007-10-02
    • Guoqing Li
    • Guoqing Li
    • H03D1/04
    • H04W24/08H04W16/14
    • System and method of locating an interferer and mitigating its effect for stations of a wireless local area network. Embodiments provide a protocol and mechanism to evaluate the interferer location relative to a wireless link and to take accurate actions to mitigate the interference effect for specific cases. A method includes classifying a location of an interferer relative to a wireless communication device based on a comparison with a clear-channel threshold and a noise-tolerability threshold of the device, categorizing a location of the interferer relative to a wireless link based on a combination of the interference categories for the transmitting and the receiving devices, and mitigating interference in the wireless network according to the categorization. For example, in some cases, mitigating includes adapting a noise-tolerability threshold of the transmitting device to allow transmission.
    • 定位干扰源并减轻其对无线局域网站的影响的系统和方法。 实施例提供了一种用于评估相对于无线链路的干扰源位置的协议和机制,并采取准确的动作来减轻特定情况下的干扰效应。 一种方法包括基于与清除信道阈值和设备的可容许噪声阈值的比较来相对于无线通信设备对干扰源的位置进行分类,基于组合对干扰源相对于无线链路的位置进行分类 的发射和接收设备的干扰类别,并根据分类减轻无线网络中的干扰。 例如,在一些情况下,减轻包括适配发射设备的可容许噪声阈值以允许传输。
    • 48. 发明授权
    • Method and apparatus for operating a communication station
    • 用于操作通信站的方法和装置
    • US07822440B2
    • 2010-10-26
    • US11615955
    • 2006-12-23
    • Minyoung ParkGuoqing LiLiuyang Lily Yang
    • Minyoung ParkGuoqing LiLiuyang Lily Yang
    • H04M1/00
    • H04W8/005H04W76/10H04W84/18H04W92/18
    • A method for operating a communication station in a communicating environment includes: (a) monitoring the environment to ascertain whether the station is receiving an unintended sensed signal not intended for the station from at least one signal source; (b) if the station has not received a predetermined number of unintended sensed signals during a predetermined time interval, operating the station in an omni-directional mode; and (c) if the station has received a predetermined number of sensed signals during the predetermined time interval, saving an indication of a reception direction from which arrived each unintended sensed signal; and operating the station in a directional mode. While in the directional mode, the station is sensitive to receiving signals arriving from a sensing direction other than from a reception direction, and the station transmits signals toward the sensing direction.
    • 一种用于在通信环境中操作通信站的方法包括:(a)监测环境以确定站是否正在从至少一个信号源接收不用于该站的非预期感测信号; (b)如果站在预定时间间隔内没有收到预定数量的非预期感测信号,则以全向模式操作站; (c)如果站在预定的时间间隔期间已接收到预定数量的感测信号,则保存从每个非预期的感测信号到达的接收方向的指示; 并以定向模式操作站。 在方向模式中,站对从接收方向以外的感测方向到达的信号敏感,并且站向感测方向发送信号。