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    • 11. 发明申请
    • Methods and Apparatuses for Provision of a Downlink Synchronization Group During Discontinuous Transmission in an Unlicensed Band
    • 用于在非许可频带中不连续传输期间提供下行链路同步组的方法和装置
    • US20140140314A1
    • 2014-05-22
    • US14234028
    • 2011-07-20
    • Na WeiWei BaiPengfei SunHaiming WangChunyan Gao
    • Na WeiWei BaiPengfei SunHaiming WangChunyan Gao
    • H04W16/14H04L5/00
    • H04W16/14H04L5/0041H04W48/12
    • A method, apparatus and computer program product are provided for generating a downlink synchronization group utilized during a discontinuous transmission in an unlicensed band. A method and apparatus may determine a carrier(s) providing a signal(s) enabling timing and frequency tracking a downlink carrier(s) within a downlink synchronization group to devices responsive to discontinuous transmission via a medium(s) of an unlicensed band on a secondary component carrier. The medium(s) previously utilized to provide content to a device(s). The method and apparatus may also provide an indication of the carrier(s) to the device notifying the device that information of the signal is receivable via the carrier on the unlicensed band. The method and apparatus may also send the signal(s) to the device via the carrier enabling the device to obtain timing and frequency information.
    • 提供了一种方法,装置和计算机程序产品,用于产生在非许可频带中的不连续传输期间使用的下行链路同步组。 一种方法和设备可以确定提供信号的载波,其能够定时和频率跟踪下行链路同步组内的下行链路载波,以响应于经由非许可频带的介质的不连续传输, 次级分量载体。 先前用于向设备提供内容的介质。 所述方法和装置还可以向所述设备提供通知所述设备的所述载波的信号,所述信号的信息可以经由所述非许可频带上的载波接收。 该方法和装置还可以经由载波将信号发送到装置,使装置能够获得定时和频率信息。
    • 12. 发明授权
    • Methods and apparatuses for provision of a downlink synchronization group during discontinuous transmission in an unlicensed band
    • 在非许可频带中的不连续传输期间提供下行链路同步组的方法和装置
    • US09307415B2
    • 2016-04-05
    • US14234028
    • 2011-07-20
    • Na WeiWei BaiPengfei SunHaiming WangChunyan Gao
    • Na WeiWei BaiPengfei SunHaiming WangChunyan Gao
    • H04W4/00H04W16/14H04W48/12H04L5/00
    • H04W16/14H04L5/0041H04W48/12
    • A method, apparatus and computer program product are provided for generating a downlink synchronization group utilized during a discontinuous transmission in an unlicensed band. A method and apparatus may determine a carrier(s) providing a signal(s) enabling timing and frequency tracking a downlink carrier(s) within a downlink synchronization group to devices responsive to discontinuous transmission via a medium(s) of an unlicensed band on a secondary component carrier. The medium(s) previously utilized to provide content to a device(s). The method and apparatus may also provide an indication of the carrier(s) to the device notifying the device that information of the signal is receivable via the carrier on the unlicensed band. The method and apparatus may also send the signal(s) to the device via the carrier enabling the device to obtain timing and frequency information.
    • 提供了一种方法,装置和计算机程序产品,用于产生在非许可频带中的不连续传输期间使用的下行链路同步组。 一种方法和设备可以确定提供信号的载波,其能够定时和频率跟踪下行链路同步组内的下行链路载波,以响应于经由非许可频带的介质的不连续传输, 次级分量载体。 先前用于向设备提供内容的介质。 所述方法和装置还可以向所述设备提供通知所述设备的所述载波的信号,所述信号的信息可以经由所述非许可频带上的载波接收。 该方法和装置还可以经由载波将信号发送到装置,使装置能够获得定时和频率信息。
    • 16. 发明申请
    • Methods and Apparatuses for Provision of Reference Signal Design for Downlink Tracking in Occupied Shared Band
    • 提供参考信号设计的方法和装置,用于占用共享频段中的下行链路跟踪
    • US20150043520A1
    • 2015-02-12
    • US14357876
    • 2011-11-17
    • Pengfei SunNa WeiWei BaiHaiming Wang
    • Pengfei SunNa WeiWei BaiHaiming Wang
    • H04W72/04H04W56/00H04L5/00
    • H04W72/0453H04L5/001H04L5/0037H04L5/005H04W16/14H04W56/003
    • A method, apparatus and computer program product are provided for generating Reference Signals utilized in downlink tracking of an unlicensed band. A method and apparatus may determine whether carriers of an unlicensed band secondary component carrier are available for usage to provide a signal(s), enabling timing and frequency tracking of downlink carriers responsive to discontinuous transmission via a medium(s) of the unlicensed band utilized to provide content to devices. The method and apparatus may also select the signal based on a band of the carriers and a detection indicating whether communication terminals of a coexisting system are using a carrier of the band. The method and apparatus may provide the signal to a device(s) via a carrier responsive to determining that the carrier is available or via an occupied carrier utilized by the coexisting system enabling the device to continue tracking of timing and frequency information of the downlink carriers.
    • 提供了一种用于产生在未许可频带的下行链路跟踪中使用的参考信号的方法,装置和计算机程序产品。 一种方法和装置可以确定未许可频带次要分量载波的载波是否可用于提供信号,使得响应于经由所使用的非许可频带的介质的不连续传输来响应于下行链路载波的定时和频率跟踪 向设备提供内容。 所述方法和装置还可以基于载波的频带选择信号,以及指示共存系统的通信终端是否正在使用该频带的载波的检测。 所述方法和装置可以响应于确定所述载波可用或经由所述共存系统使用的占用载波,经由载波向所述装置提供所述信号,使得所述装置能够继续跟踪所述下行链路载波的定时和频率信息 。
    • 17. 发明授权
    • Method and apparatus for reducing radio interferences
    • 减少无线电干扰的方法和装置
    • US09426682B2
    • 2016-08-23
    • US14385001
    • 2012-03-13
    • Pengfei SunXinying GaoHaiming WangChunyan Gao
    • Pengfei SunXinying GaoHaiming WangChunyan Gao
    • H04W24/08H04W72/08H04L5/14H04W8/18
    • H04W24/08H04L5/14H04W8/186H04W72/082Y02D70/1242Y02D70/1262Y02D70/1264
    • The present application relates generally to use of radio resources in a radio access network (RAN) and, in more specific, Full-Duplex (FD) transmission on the same carrier. Due to the mobility of the UEs or the non-optimal grouping, two UEs belonging to different groups may be close to each other while performing transmission and cause serious transmission interferences to 5 each other. This is one of the problems which a method in accordance with the invention aims to solve. When the performing the method a RAN triggers a UE to measure 601 first interferences originated from a first group of UEs. Then the RAN triggers the same UE to measure 602 second interferences originated from a second group of the UEs. Finally, the RAN places 603 the UE into the first group, if the first interferences are higher than the second interferences. The both 10 groups of the UEs are composed of such user equipments which share a group-specific transmission pattern. Uplink and downlink resources of the RAN are scheduled according to a time-division to the UEs, so that simultaneous transmissions are allowed only for such user equipments that belong to different groups. Advantages of the invention are the following: 1) simultaneous transmission and reception is supported in a RAN and in a UE which is either a FD 15 UE or a HD UE, 2) different kinds of interferences are efficiently reduced, and 3) the interferences are measured in a way that saves power.
    • 本申请一般涉及无线电接入网络(RAN)中的无线电资源的使用,并且更具体地涉及同一载波上的全双工(FD)传输。 由于UE的移动性或非最佳分组,属于不同组的两个UE在执行传输时可能彼此靠近,并且导致彼此之间的严重传输干扰。 这是根据本发明的方法旨在解决的问题之一。 当执行该方法时,RAN触发UE测量从第一组UE发起的601个第一干扰。 然后,RAN触发相同的UE来测量源自第二组UE的602个第二干扰。 最后,如果第一干扰高于第二干扰,RAN将UE置于第一组中。 这两个UE组都由具有组特定传输模式的这种用户设备组成。 根据对UE的时分,调度RAN的上行链路和下行链路资源,使得仅对属于不同组的用户设备允许同时传输。 本发明的优点如下:1)在RAN和作为FD 15 UE或HD UE的UE中支持同时发送和接收,2)有效地减少不同种类的干扰,3)干扰 以节省电力的方式进行测量。
    • 18. 发明授权
    • Mobile station locating method and device and location information uploading method and device for cluster system
    • 移动台定位方法及设备及位置信息上载方法及装置集群系统
    • US09494689B2
    • 2016-11-15
    • US14426387
    • 2012-06-07
    • Wally WuPengfei Sun
    • Wally WuPengfei Sun
    • H04W4/02G01S19/03H04W8/20G01S5/02G01S5/00H04W64/00
    • G01S19/03G01S5/0027G01S5/0205G01S5/0294H04W4/02H04W4/025H04W4/029H04W8/205H04W64/00
    • The present invention relates to the technical field of communications, and disclosed are a mobile station locating method and device for a cluster system. The method includes: through a control channel, activating a location information uploading function of a mobile station which needs location tracking; over a location tracking data service channel, sending a location information request message to the mobile station, the location tracking data service channel being a service channel with the same frequency as and a different time slot from the control channel; over the location tracking data service channel, receiving a location information response message sent by the mobile station, the location information about the mobile station being carried in the location information response message; and according to the location information about the mobile station, determining the current location of the mobile station.
    • 本发明涉及通信技术领域,并且公开了一种用于集群系统的移动台定位方法和装置。 该方法包括:通过控制信道激活需要位置跟踪的移动台的位置信息上传功能; 通过位置跟踪数据服务信道,向所述移动台发送位置信息请求消息,所述位置跟踪数据服务信道是与所述控制信道具有相同频率和不同时隙的服务信​​道; 通过所述位置跟踪数据服务信道,接收由所述移动台发送的位置信息响应消息,关于所述位置信息响应消息中携带的所述移动台的位置信息; 并根据关于移动台的位置信息,确定移动台的当前位置。