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    • 2. 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。
    • 3. 发明申请
    • Control Mechanism for Communication Via Different Frequency Bands
    • 通过不同频带通信的控制机制
    • US20140376483A1
    • 2014-12-25
    • US14375857
    • 2012-02-08
    • Wei HongWei BaiJing HanErlin ZengHaiming WangNa WeiChunyan GaoPengfei Sun
    • Wei HongWei BaiJing HanErlin ZengHaiming WangNa WeiChunyan GaoPengfei Sun
    • H04W16/14
    • H04W16/14H04L1/08H04W28/085H04W72/048H04W74/08H04W88/06H04W88/10
    • There is provided a mechanism for controlling communications conducted via different frequency bands or communication spectrums. When a communication via a first communication path, for example an unlicensed or white space communication spectrum, is to be established, e.g. for offloading traffic from a second communication path, for example a licensed cellular communication spectrum, a preamble transmission command is generated and transmitted from a communication network control element, such as an eNB, via the second communication path to a communication element, such as a UE. By means of the preamble transmission command, the transmission of a preamble signal by the receiving communication element on the first communication path with predetermined communication resources is triggered. Based on a receipt or non-receipt of the preamble signal via the first communication path, the communication network control element is able to determine that the communication element can establish a connection on the first communication path, for example the unlicensed or white space communication spectrum.
    • 提供了用于控制经由不同频带或通信频谱进行通信的机制。 当通过第一通信路径进行通信时,例如未许可或白空间通信频谱,将被建立,例如, 为了从第二通信路径(例如许可的蜂窝通信频谱)卸载业务,生成前导发送命令,并且经由第二通信路径从诸如eNB的通信网络控制元件发送到通信元件,例如 UE。 借助于前导码传输命令,触发由具有预定通信资源的第一通信路径上的接收通信元件的前导码信号的发送。 基于经由第一通信路径的前导信号的接收或不接收,通信网络控制元件能够确定通信元件可以在第一通信路径上建立连接,例如,未许可或白空间通信频谱 。
    • 4. 发明授权
    • Control mechanism for communication via different frequency bands
    • 通过不同频段进行通信的控制机制
    • US09426664B2
    • 2016-08-23
    • US14375857
    • 2012-02-08
    • Wei HongWei BaiJing HanErlin ZengHaiming WangNa WeiChunyan GaoPengfei Sun
    • Wei HongWei BaiJing HanErlin ZengHaiming WangNa WeiChunyan GaoPengfei Sun
    • H04Q7/00H04W16/14H04W72/04H04L1/08H04W74/08H04W88/06H04W88/10H04W28/08
    • H04W16/14H04L1/08H04W28/085H04W72/048H04W74/08H04W88/06H04W88/10
    • There is provided a mechanism for controlling communications conducted via different frequency bands or communication spectrums. When a communication via a first communication path, for example an unlicensed or white space communication spectrum, is to be established, e.g. for offloading traffic from a second communication path, for example a licensed cellular communication spectrum, a preamble transmission command is generated and transmitted from a communication network control element, such as an eNB, via the second communication path to a communication element, such as a UE. By means of the preamble transmission command, the transmission of a preamble signal by the receiving communication element on the first communication path with predetermined communication resources is triggered. Based on a receipt or non-receipt of the preamble signal via the first communication path, the communication network control element is able to determine that the communication element can establish a connection on the first communication path, for example the unlicensed or white space communication spectrum.
    • 提供了用于控制经由不同频带或通信频谱进行通信的机制。 当通过第一通信路径进行通信时,例如未许可或白空间通信频谱,将被建立,例如, 为了从第二通信路径(例如许可的蜂窝通信频谱)卸载业务,生成前导发送命令,并且经由第二通信路径从诸如eNB的通信网络控制元件发送到通信元件,例如 UE。 借助于前导码传输命令,触发由具有预定通信资源的第一通信路径上的接收通信元件的前导码信号的传输。 基于经由第一通信路径的前导信号的接收或不接收,通信网络控制元件能够确定通信元件可以在第一通信路径上建立连接,例如,未许可或白空间通信频谱 。
    • 8. 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。