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    • 1. 发明申请
    • METHOD FOR UPLINK PACKET SCHEDULING AND DEVICE THEREOF
    • 上传分组调度方法及其设备
    • WO2014081197A1
    • 2014-05-30
    • PCT/KR2013/010574
    • 2013-11-20
    • SAMSUNG ELECTRONICS CO., LTD.BEIJING SAMSUNG TELECOMMUNICATIONS TECHNOLOGY RESEARCH CO., LTD.
    • ZHANG, ShichangLI, YingyangSUN, Chengjun
    • H04W72/12
    • H04W72/121H04W72/1268
    • The present invention provides a method for uplink packet scheduling, comprising the following steps: a base station determines types of terminals, and groups the terminals based on types thereof; the base station transmits pre-scheduling indication information and uplink scheduling commands to the terminals in a group with a same type; the base station receives Physical Uplink Shared Channel (PUSCH) transmitted by the terminals on a corresponding uplink sub-frame. The present invention further provides a base station and a terminal. In the above solution provided by this invention, eNB sorts accessed MTC terminals into different types of groups based on types thereof via a high-layer signaling, part of the MTC terminals in a type group are sorted into a scheduling group via a pre-scheduling instruction carried by PDSCH, all the MTC terminals in that group are scheduled via an uplink scheduling command. The solution provided by this invention can obviously reduce the number of times that the base station transmits uplink scheduling commands, and alleviate the burden on the base station of scheduling PUSCH transmission of MTC terminals.
    • 本发明提供一种上行链路分组调度方法,包括以下步骤:基站确定终端类型,并根据类型对终端进行分组; 基站向具有相同类型的组中的终端发送预调度指示信息和上行调度命令; 基站在相应的上行链路子帧上接收由终端发送的物理上行链路共享信道(PUSCH)。 本发明还提供一种基站和终端。 在本发明提供的上述解决方案中,eNB通过高层信令根据类型将接入的MTC终端分类成不同类型的组,通过预调度将类型组中的部分MTC终端分类为调度组 由PDSCH承载的指令,该组中的所有MTC终端经由上行链路调度命令被调度。 本发明提供的解决方案可以明显地减少基站发送上行调度命令的次数,减轻基站对MTC终端的PUSCH传输进行调度的负担。
    • 5. 发明申请
    • HARQ-ACK INFORMATION FEEDBACK METHOD AND APPARATUS
    • HARQ-ACK信息反馈方法和装置
    • WO2016122243A1
    • 2016-08-04
    • PCT/KR2016/000983
    • 2016-01-29
    • SAMSUNG ELECTRONICS CO., LTD.BEIJING SAMSUNG TELECOMMUNICATIONS TECHNOLOGY RESEARCH CO., LTD.
    • ZHANG, ShichangLI, YingyangFU, JingxingWANG, YiSUN, ChengjunXU, Lixiang
    • H04L1/18H04L5/00
    • H04L1/1861H04L1/1893H04L1/1896
    • An apparatus and method for feeding back hybrid automatic repeat request-acknowledgement (HARQ-ACK) information are provided. The apparatus and method include user equipment (UE) that first receives a downlink grant (DL-GRANT) which schedules downlink HARQ transmission in a time-frequency bundling window corresponding to an uplink subframe used for feeding back HARQ-ACK, obtains a DL downlink assignment index (DL DAI) in the DL-GRANT, and determines a mapping value of each DL DAI. Then, according to the mapping value of the corresponding DL DAI, the HARQ-ACK bit of each HARQ feedback unit is mapped to a corresponding bit of a feedback bit sequence. According to the method and apparatus provided by the present disclosure, useless HARQ-ACK bits may be effectively removed, and efficiency for feeding back HARQ-ACK may be increased. As such, a downlink peak rate of a UE is ensured.
    • 提供了一种用于反馈混合自动重传请求确认(HARQ-ACK)信息的装置和方法。 所述装置和方法包括首先接收在与用于反馈HARQ-ACK的上行链路子帧对应的时间频率捆绑窗口中调度下行链路HARQ传输的下行链路许可(DL-GRANT)的用户设备(UE),获得DL下行链路 DL-GRANT中的分配索引(DL DAI),并且确定每个DL DAI的映射值。 然后,根据对应的DL DAI的映射值,将每个HARQ反馈单元的HARQ-ACK比特映射到反馈比特序列的对应比特。 根据本公开提供的方法和装置,可以有效地消除无用的HARQ-ACK比特,并且可以增加用于反馈HARQ-ACK的效率。 因此,确保了UE的下行链路峰值速率。