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    • 2. 发明申请
    • NETWORK NODE, USER EQUIPMENT AND METHODS THEREIN FOR TRANSMITTING AND RECEIVING CONTROL INFORMATION
    • 网络节点,用户设备及其发送和接收控制信息的方法
    • WO2013070138A1
    • 2013-05-16
    • PCT/SE2012/050440
    • 2012-04-26
    • TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)KOORAPATY, HavishCHENG, Jung-FuPARKVALL, StefanFRENNE, MattiasLARSSON, DanielFURUSKOG, Johan
    • KOORAPATY, HavishCHENG, Jung-FuPARKVALL, StefanFRENNE, MattiasLARSSON, DanielFURUSKOG, Johan
    • H04W72/12
    • H04W72/121H04W72/1294
    • A method in a network node for transmitting control information to a user equipment in a telecommunications system is provided. The control information is scheduled in time intervals of a downlink shared data channel, wherein the control information is allocated resource elements in resource blocks of a time-frequency Orthogonal Frequency Division Multiplexing, OFDM, grid in the time intervals in which the control information is scheduled. The network node determines for a time interval, a set of user equipments for which control information is scheduled in the time interval. Also, it selects for a user equipment comprised in the determined set of user equipments, at least one group of user equipments amongst one or more groups of user equipments to which the user equipment is assigned. It also prepares a group signal corresponding to the selected one group of user equipments by allocating resource elements in the resource blocks of the time interval to the group signal. Furthermore, the network node transmits the prepared group signal in the allocated resource element in the time interval to the user equipment such that the user equipment is enabled to determine whether the control information that is allocated resource elements in the time interval is intended for the user equipment or not. A network node, a method in user equipment and a user equipment are also provided.
    • 提供了一种用于向电信系统中的用户设备发送控制信息的网络节点中的方法。 在下行链路共享数据信道的时间间隔中调度控制信息,其中控制信息在控制信息被调度的时间间隔内被分配在时间 - 频率正交频分复用OFDM网格的资源块中的资源元素 。 网络节点在时间间隔内确定在时间间隔内为其调度控制信息的一组用户设备。 此外,它选择包括在确定的一组用户设备中的用户设备,在分配了用户设备的一组或多组用户设备中的至少一组用户设备。 它还通过将时间间隔的资源块中的资源元素分配给组信号来准备与所选择的一组用户设备相对应的组信号。 此外,网络节点在分配的资源元素中将准备好的组信号在时间间隔中发送到用户设备,使得用户设备能够确定在时间间隔中被分配的资源元素的控制信息是否意在为用户 设备不是。 还提供了网络节点,用户设备中的方法和用户设备。
    • 9. 发明申请
    • INITIALIZING REFERENCE SIGNAL GENERATION IN WIRELESS NETWORKS
    • 在无线网络中初始化参考信号生成
    • WO2013085451A1
    • 2013-06-13
    • PCT/SE2012/050502
    • 2012-05-11
    • TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)FRENNE, MattiasKOORAPATY, HavishCHENG, Jung-FuLARSSON, DanielJÖNGREN, George
    • FRENNE, MattiasKOORAPATY, HavishCHENG, Jung-FuLARSSON, DanielJÖNGREN, George
    • H04L25/02H04L5/00
    • H04W72/042H04L5/0048H04L25/0226
    • A transmitting node uses different reference signal sequences for different types of enhanced control channels. An example method begins with generating (1410) a first reference signal sequence, from a first initialization value, and generating (1420) a second reference signal sequence, from a second initialization value. These reference signal sequences are associated with two corresponding enhanced control transmissions. A first enhanced control channel and reference symbols taken from the first reference signal sequence are transmitted (1430), using first time-frequency resources and a first set of transmission points or a first set of antenna ports or both, and a second enhanced control channel and reference symbols taken from the second reference signal sequence are also transmitted (1440), using a differing second set of transmission points and/or a differing second set of antenna ports and/or a differing second set of time-frequency resources, in the same subframe or group of subframes.
    • 发射节点对于不同类型的增强控制信道使用不同的参考信号序列。 一个示例性方法开始于从第一初始化值产生(1410)第一参考信号序列,并从第二初始化值生成(1420)第二参考信号序列。 这些参考信号序列与两个对应的增强控制传输相关联。 使用第一时间频率资源和第一组传输点或第一组天线端口或两者,发送从第一参考信号序列获取的第一增强控制信道和参考符号(1430),以及第二增强控制信道 并且还使用不同的第二组传输点和/或不同的第二组天线端口和/或不同的第二组时间 - 频率资源来传输从第二参考信号序列获取的参考符号(1440),在 相同子帧或子帧组。