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    • 51. 发明申请
    • METHOD AND BASE STATION OF ADJUSTING UPLINK LOAD VARIANCE DUE TO UPLINK BEAM DIRECTION CHANGE
    • 由于上行链路方向变化调整上行链路负载变化的方法和基站
    • WO2012116584A1
    • 2012-09-07
    • PCT/CN2012/070785
    • 2012-01-31
    • ERICSSON (CHINA) COMMUNICATIONS CO., LTD.LIU, JinhuaZHANG, Zhang
    • LIU, JinhuaZHANG, Zhang
    • H04B7/06H04B7/04H04W28/08
    • H04W28/0289H04B7/0404H04B7/0617H04B7/0623H04B7/0634H04W28/08H04W88/08
    • The present invention provides a method of adjusting uplink load variance due to a change of a beam direction turning from towards a current beamforming control cell to towards a target beamforming control cell, comprising steps of: estimating an uplink load increment of the target beamforming control cell due to the change of the beam direction, before the beam direction turning from towards a current beamforming control cell to towards a target beamforming control cell; comparing the estimated uplink load increment with an available uplink load headroom of the target beamforming control cell; and adjusting an uplink load grant of a user equipment UE if the uplink load increment is larger than the available uplink load headroom, so that the uplink load increment is not beyond the available uplink load headroom. The present invention further provides a base station for adjusting uplink load variance due to a change of a beam direction.
    • 本发明提供了一种调整上行链路负载变化的方法,该方法由于从目前波束形成控制小区向目标波束成形控制小区转向的波束方向的变化,包括以下步骤:估计目标波束形成控制小区的上行链路负载增量 由于光束方向的变化,在光束方向从当前波束形成控制单元转向朝向目标波束形成控制单元之前; 将估计的上行链路负载增量与目标波束形成控制小区的可用上行链路负载余量进行比较; 以及如果所述上行链路负载增量大于所述可用上行链路负载余量,则调整所述用户设备UE的上行链路负载许可,使得所述上行链路负载增量不超过所述可用的上行链路负载余量。 本发明还提供一种用于由于波束方向的变化而调整上行链路负载变化的基站。
    • 55. 发明申请
    • METHOD FOR INITIATING HANDOVER, WIRELESS DEVICE AND BASE STATION
    • 用于启动切换,无线设备和基站的方法
    • WO2014153700A1
    • 2014-10-02
    • PCT/CN2013/073113
    • 2013-03-25
    • TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)FAN, Rui
    • FAN, RuiLIU, JinhuaQIAN, Yu
    • H04W36/00
    • H04W36/30H04L5/14H04W36/0083H04W36/08
    • The present disclosure provides a method (100) in a wireless device for initiating a handover from a source base station to a target base station. The method includes the steps of: calculating (S110) a power offset indicative of a difference between a receiving power from the target base station and a receiving power from the source base station; obtaining (S120) a Time Division Duplex (TDD) configuration difference between a TDD configuration of the target base station and a TDD configuration of the source base station; calculating (S130) a TDD offset based on the TDD configuration difference and an uplink-downlink traffic model of the wireless device; and initiating (S140) the handover when a combination of the power offset and the TDD offset exceeds a threshold. The present disclosure also provides a wireless device (600), a method (700) in a base station and a base station (800).
    • 本公开提供了一种用于发起从源基站到目标基站的切换的无线设备中的方法(100)。 该方法包括以下步骤:计算(S110)指示来自目标基站的接收功率与来自源基站的接收功率之间的差异的功率偏移; 获取(S120)目标基站的TDD配置与源基站的TDD配置之间的时分双工(TDD)配置差异; 基于所述TDD配置差和所述无线设备的上行链路 - 下行链路业务模型来计算(S130)TDD偏移; 以及当功率偏移和TDD偏移的组合超过阈值时发起(S140)切换。 本公开还提供了一种无线设备(600),基站中的方法(700)和基站(800)。
    • 57. 发明申请
    • TRAFFIC AWARE COMMON PILOT CONFIGURATION
    • 交通意识普通驾驶员配置
    • WO2013109181A2
    • 2013-07-25
    • PCT/SE2012/051422
    • 2012-12-18
    • TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
    • LIU, JinhuaMIAO, QingyuZHANG, ZhangGU, XinyuGÖRANSSON, Bo
    • H04B7/04
    • H04L27/2601H04B7/0413H04W52/143H04W52/146H04W52/265H04W52/267H04W52/325H04W52/346H04W52/367
    • The present invention relates to a method for downlink common pilot configuration for a base station serving a first set of User Equipments UEs and a second set of UEs, wherein the first set of UEs consists of 4-branch MIMO capable UEs and the second set of UEs consists of 4-branch MIMO mode incapable UEs, The method comprises the steps of determining (S410) information related to the UEs served by the Base Station BS; and configuring (S420) transmission of at least one common pilot from the BS to the served UEs based on the determined UE related information.In an example 4-branch MIMO system, at most 4 common pilots are configurable to be transmitted, and the at least one common pilot is two common pilots newly introduced into a legacy system. The present invention also relates to a base station configured for performing the method for downlink common pilot configuration and a computer readable storage medium. (Figure 4b)
    • 本发明涉及用于服务于第一组用户设备UE和第二组UE的基站的下行链路公共导频配置的方法,其中第一组UE由4分支 具有多输入多输出功能的用户设备和第二组用户设备由无法使用4分支MIMO模式的用户设备组成。该方法包括以下步骤:确定(S410)与由基站BS服务的用户设备有关的信息; 以及基于所确定的UE相关信息来配置(S420)从BS到被服务的UE的至少一个公共导频的传输。在示例性4分支MIMO系统中,最多4个公共导频可配置为被传输,并且at 至少有一个共同的飞行员是新引入传统系统的两个普通飞行员。 本发明还涉及一种配置用于执行用于下行链路公共导频配置的方法的基站以及计算机可读存储介质。 (图4b)
    • 59. 发明申请
    • METHOD AND RADIO NODE FOR HANDLING CSI REPORTING
    • 处理CSI报告的方法和无线电节点
    • WO2015023227A1
    • 2015-02-19
    • PCT/SE2014/050942
    • 2014-08-15
    • TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
    • SONG, XinghuaLI, ShaohuaGUO, ZhihengFAN, RuiLIU, Jinhua
    • H04W24/10
    • H04W24/10H04B17/309H04L1/0026H04L1/0027H04L5/00H04L5/001H04L5/0035H04L5/0057H04W24/08H04W72/042H04W72/0446H04W72/14
    • Herein a radio node and a User Equipment are described, and methods therein for handling separate aperiodic channel state information, CSI, reports for one or more static subframes, in which the direction of signal transmission is fixed, and one or more flexible subframes, in which the direction of signal transmission is variable. The method performed by a UE comprises receiving a trigger for an aperiodic CSI report as part of an uplink, UL, grant from a radio node in a static downlink, DL, subframe, where said trigger indicates a CSI subframe set, out of at least two alternative CSI subframe sets. The method further comprises performing an aperiodic CSI measurement for a CSI reference resource in the indicated CSI subframe set, and reporting the result of the CSI measurement to the radio node. One of the at least two alternative CSI subframe sets relates to the one or more static subframes, and another one of the at least two alternative CSI subframe sets relates to the one or more flexible subframes.
    • 这里描述了无线电节点和用户设备,以及其中用于处理单独的非周期信道状态信息的CSI,其中固定有信号传输方向的一个或多个静态子帧的报告以及一个或多个灵活子帧 信号传输的方向是可变的。 由UE执行的方法包括:从至少在静态下行链路DL子帧中的无线电节点(其中所述触发指示CSI子帧集合)的至少一个接收非周期性CSI报告的触发作为上行链路UL授权的一部分 两个可选的CSI子帧组。 该方法还包括对所指示的CSI子帧集中的CSI参考资源执行非周期CSI测量,并将CSI测量的结果报告给无线节点。 所述至少两个备选CSI子帧集合中的一个与所述一个或多个静态子帧相关,并且所述至少两个备选CSI子帧集中的另一个涉及所述一个或多个灵活子帧。