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    • 2. 发明申请
    • METHOD AND APPARATUS FOR LISTEN-BEFORE-TALK IN MULTI-CARRIER TRANSMISSION
    • 用于多载波传输中的收听前的方法和装置
    • WO2017051236A1
    • 2017-03-30
    • PCT/IB2016/001339
    • 2016-08-25
    • ALCATEL LUCENT
    • LIU, JianguoTAO, TaoMENG, YanHAN, FengGU, JunrongSHEN, Gang
    • H04L5/00H04W72/12
    • H04L5/001H04L5/0062H04W74/0808
    • Embodiments of the present disclosure provide a method and apparatus for listen-before-talk (LBT) in multi-carrier transmission. The method includes dividing a plurality of carriers into at least one carrier group. The method also includes determining a corresponding LBT priority class for each of the at least one carrier group based on a service type of a data block to be transmitted on each of the plurality of carriers, each LBT priority class corresponding to a different parameter set for performing the LBT. The method further includes performing, based on the parameter set corresponding to the determined LBT priority class, the LBT on a carrier included in each of the at least one carrier group to determine whether each of the plurality of carriers is available for transmission of the data block.
    • 本公开的实施例提供了一种用于多载波传输中的听即播(LBT)的方法和装置。 该方法包括将多个载波分成至少一个载波组。 该方法还包括基于要在多个载波中的每个载波上发送的数据块的服务类型确定对于至少一个载波组中的每一个的相应LBT优先级类别,每个LBT优先级类别对应于为 执行LBT。 该方法还包括基于与所确定的LBT优先级类对应的参数集来执行包括在至少一个载波组中的每一个的载波上的LBT,以确定多个载波中的每一个是否可用于传输数据 块。
    • 3. 发明申请
    • METHOD AND APPARATUS FOR INDICATING POWER ALLOCATION IN MULTIUSER SUPERPOSITION TRANSMISSION
    • 在多媒体超级传输中指示功率分配的方法和装置
    • WO2017021772A1
    • 2017-02-09
    • PCT/IB2016/001137
    • 2016-07-22
    • ALCATEL LUCENT
    • WU, ZhuoWANG, JunSHEN, GangZHANG, Min
    • H04W52/54H04W52/16H04W52/34H04L1/00
    • H04W52/54H04L1/00H04L1/0025H04W52/16H04W52/346
    • Embodiments of the present disclosure provide a method and apparatus for indicating power allocation in multiuser superposition transmission. The method comprises: transmitting a signaling for indicating a first power parameter and a first power offset to a first UE so that the first UE determines first power allocation information specific to it based on the first power parameter and the first power offset; and transmitting a signaling for indicating a second power parameter and a second power offset to a second UE paired with the first UE so that the second UE determines second power allocation information specific to it based on the second power parameter and the second power offset. Embodiments of the present disclosure enable the near/victim UE of paired UEs to decode an interference signal caused by far/interfering UE based on power allocation information and remove the interference signal caused by far/interfering UE to improve correctness of decoding its own physical downlink shared channel data.
    • 本公开的实施例提供了一种用于在多用户叠加传输中指示功率分配的方法和装置。 该方法包括:向第一UE发送用于指示第一功率参数和第一功率偏移的信令,使得第一UE基于第一功率参数和第一功率偏移来确定其特有的第一功率分配信息; 以及向与所述第一UE配对的第二UE发送用于指示第二功率参数和第二功率偏移的信令,使得所述第二UE基于所述第二功率参数和所述第二功率偏移来确定其特有的第二功率分配信息。 本公开的实施例使得配对UE的近/受害UE能够基于功率分配信息来解码由远/干扰UE引起的干扰信号,并且去除由远/干扰UE引起的干扰信号,以提高其自身物理下行链路的解码的正确性 共享通道数据。
    • 5. 发明申请
    • METHOD AND DEVICE FOR INTER-CELL INTERFERENCE COORDINATION
    • 用于细胞间干扰协调的方法和装置
    • WO2011161539A2
    • 2011-12-29
    • PCT/IB2011/001767
    • 2011-06-22
    • ALCATEL LUCENTSHEN, GangJIANG, QiZHENG, WuLENG, Xiaobing
    • SHEN, GangJIANG, QiZHENG, WuLENG, Xiaobing
    • H04W72/12
    • H04W72/082H04W72/1226H04W72/1289
    • To address the problem of inter-cell interference, the present invention proposes a method for inter-cell interference coordination and a device thereof. In one embodiment of the present invention, there is provided a method of coordinating radio resource in a base station of wireless communication network, comprising the steps of: S1 determining whether a UE is of interference risk; if the UE is of interference risk, then S2 determining key interference source base station(s) of the UE; S3, scheduling radio resource in collaboration with the key interference source base station(s), so that the key interference source base station(s) idle(s) the radio resource assigned to the UE by the base station. With the method and device provided in the present invention, effective avoidance of inter-cell interference may be achieved, and every cell may fully reuse resource to accomplish reuse gain, while UE backward compatibility may also be supported.
    • 为了解决小区间干扰的问题,本发明提出了一种小区间干扰协调的方法及其装置。 在本发明的一个实施例中,提供了一种协调无线通信网络基站中的无线电资源的方法,包括以下步骤:确定UE是否具有干扰风险; 如果UE具有干扰风险,则S2确定UE的密钥干扰源基站; S3,与密钥干扰源基站协作调度无线资源,使得关键的干扰源基站空闲由基站分配给UE的无线资源。 利用本发明提供的方法和装置,可以实现有效避免小区间干扰,并且每个小区可以完全重用资源来实现重用增益,同时也可以支持UE向后兼容性。
    • 7. 发明申请
    • COMMUNICATION METHOD, BASE STATION DEVICE AND COMMUNICATION DEVICE IN A COMMUNICAITON SYSTEM
    • 通信方法,基站装置和通信系统中的通信装置
    • WO2017195040A1
    • 2017-11-16
    • PCT/IB2017/000719
    • 2017-05-03
    • ALCATEL LUCENT
    • WU, ZhuoWANG, JunSHEN, Gang
    • H04L5/00
    • H04L5/0058H04B7/0452H04L5/0053
    • The disclosure provides methods and devices for supporting a MUST in a communication System in which a base station of the communication pairs a near User Equipment (UE) with one or more far UEs for the MUST. The method comprises: configuring DCI to include transmission indication information indicating whether a transmission of a subframe is a MUST; in response to the transmission indication information indicating that the transmission of the subframe is a MUST, configuring a downlink pair control message to include NAI of the far UEs which are paired with the near UE, wherein the NAI includes at least superposed constellation information indicating power allocation information between the near UE and the far UEs in spatial layers; and transmitting the downlink pair control message to the near UE.
    • 本公开提供了用于在通信系统中支持MUST的方法和设备,其中通信的基站将近用户设备(UE)与必要的一个或多个远用户设备配对。 该方法包括:配置DCI以包括指示子帧的传输是否必须的传输指示信息; 响应于指示子帧的传输是MUST的传输指示信息,配置下行链路对控制消息以包括与近端UE配对的远端UE的NAI,其中NAI至少包括表示功率的重叠星座信息 在空间层中的近UE与远端UE之间的分配信息; 并将下行链路对控制消息发送给附近的UE。
    • 9. 发明申请
    • METHOD OF TRIGGERING A LBT RANDOM BACKOFF MECHANISM IN LTE LAA
    • 在LTE LAA中触发LBT随机备用机制的方法
    • WO2016185276A1
    • 2016-11-24
    • PCT/IB2016/000754
    • 2016-05-12
    • ALCATEL LUCENT
    • TAO, TaoLIU, JianguoHAN, FengMENG, YanYE, SigenGU, JunrongWANG, DandanSHEN, Gang
    • H04W74/08
    • H04W74/0841H04L1/1812H04L5/0055H04L43/0823H04L43/16H04W28/0289H04W74/0825H04W74/085
    • The present invention provides a method of triggering a LBT random backoff mechanism in LTE LAA, the method comprising: evaluating a current channel to obtain a first parameter characterizing a congestion state of the current channel; comparing the first parameter with a first threshold to obtain a first comparison result; and adapting a contention window size based on the first comparison result. The method further comprises comparing the first parameter with a second threshold to obtain a second comparison result; and adapting the contention window size based on the second comparison result. The first parameter is a packet error rate metric or a collision metric. The method inventively uses the comparison between a first parameter characterizing a congestion state of the current channel and a predefined threshold to increase or decrease the contention window size correspondingly, such that not only the fairness problem with other Systems, a WiFi System, for example, is guaranteed, the usage efficiency of the communication resource and the performance of the whole wireless communication System will be also enhanced.
    • 本发明提供了一种在LTE LAA中触发LBT随机退避机制的方法,所述方法包括:评估当前信道以获得表征当前信道拥塞状态的第一参数; 将所述第一参数与第一阈值进行比较以获得第一比较结果; 以及基于所述第一比较结果来适应争用窗口大小。 该方法还包括将第一参数与第二阈值进行比较以获得第二比较结果; 以及基于所述第二比较结果来适应所述争用窗口大小。 第一个参数是分组错误率度量或冲突度量。 该方法本发明使用表征当前频道的拥塞状态的第一参数与预定阈值之间的比较,以相应地增加或减少竞争窗口大小,使得不仅与其他系统(例如,WiFi系统)的公平性问题相关, 保证通信资源的使用效率和整个无线通信系统的性能也将得到提升。