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    • 15. 发明申请
    • HANDLING DISCONTINUOUS TRANSMISSION INDICATION BITS
    • 处理不连续传输指示位
    • WO2010071546A1
    • 2010-06-24
    • PCT/SE2009/051100
    • 2009-10-05
    • TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)LINDBOM, LarsGERSTENBERGER, Dirk
    • LINDBOM, LarsGERSTENBERGER, Dirk
    • H04L27/34
    • H04L27/3405
    • Transmitter(s) (34), radio base station nodes (38) comprising transmitter(s), and methods of operating transmitter(s)/radio base station(s) involve handling discontinuous transmission indication bits, particularly when transmitting using a 16 QAM signal point constellation having an I-branch and a Q-branch (for a quadruple of bits comprising two I-branch bits, i1 and i2, and two Q-branch bits q1 and q2). The transmitter(s) (34) and the radio base station nodes (28) comprised thereof are operated to perform a Multimedia Broadcast Multicast Service over Single Frequency Network (MBSFN) transmission wherein the MBSFN transmission comprises mapping data to a Secondary Common Control Physical Channel (S-CCPCH). For the Secondary Common Control Physical Channel (S-CCPCH) the methods include operating a 16 Quadrature Amplitude Modulation (QAM) transmitter (34) according to a predetermined strategy. The predetermined strategy is configured whereby one or more discontinuous transmission indication bits input to the transmitter (34) result in unambiguous determination of output values from an Inphase (I) output and a Quadrature (Q) output.
    • 发射机(34),包括发射机的无线电基站节点(38)以及操作发射机/无线电基站的方法涉及处理不连续传输指示比特,特别是当使用16QAM进行发送时 信号点星座具有I分支和Q分支(对于包括两个I分支比特,i1和i2以及两个Q分支比特q1和q2的比特的四分之一)。 发射机(34)和其组成的无线电基站节点(28)被操作以执行通过单频网(MBSFN)传输的多媒体广播多播服务,其中MBSFN传输包括将数据映射到次公共控制物理信道 (S-CCPCH)。 对于次级公共控制物理信道(S-CCPCH),所述方法包括根据预定策略操作16正交幅度调制(QAM)发射机(34)。 配置预定策略,由此输入到发射器(34)的一个或多个不连续传输指示位导致来自同相(I)输出和正交(Q)输出的输出值的明确确定。
    • 17. 发明申请
    • ENABLING INTERFERENCE MITIGATION AND CANCELLATION RECEIVERS
    • 启用干扰减缓和消除接收者
    • WO2015171064A1
    • 2015-11-12
    • PCT/SE2015/050510
    • 2015-05-07
    • TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
    • SESIA, StefaniaLINCOLN, BoJÖNGREN, GeorgeLINDBOM, LarsNORDSTRÖM, FredrikHARRISON, Mark
    • H04J11/00
    • H04B1/1027H04B17/345H04J11/005H04W88/02
    • A method (100) in a network node serving a User Equipment (UE) capable of network assisted interference cancellation is disclosed. The method involves a signaling (104) of an indication to the UE indicating whether the UE should enable or disable (108) the network assisted interference cancellation, or whether the UE should autonomously choose (110) to enable or disable the network assisted interference cancellation. The enabling or disabling is done for at least one of demodulating the downlink channel or computing the channel state information. The method further involves a receiving (106) of information from the UE about whether the network assisted interference cancellation has been used by the UE for at least one of demodulating the downlink channel and computing the channel state information. A related method in a UE is also disclosed, together with the network node and the UE as such.
    • 公开了一种服务于能够进行网络辅助干扰消除的用户设备(UE)的网络节点中的方法(100)。 该方法涉及对UE的指示的信令(104),指示UE是否应该启用或禁用(108)网络辅助干扰消除,或者UE是否应该自主地选择(110)以启用或禁用网络辅助干扰消除 。 对解调下行链路信道或计算信道状态信息中的至少一个进行启用或禁用。 该方法进一步涉及从UE接收(106)关于网络辅助干扰消除是否已被UE用于解调下行链路信道和计算信道状态信息中的至少一个的信息。 UE中的相关方法也与网络节点和UE一起公开。
    • 20. 发明公开
    • POINT-DEPENDENT RESOURCE SYMBOL CONFIGURATION IN A WIRELESS CELL
    • EONER DRAHTLOSEN ZELLE的KONFIGURATIONPUNKTABHÄNGIGERRESSOURCEN
    • EP2673976A1
    • 2013-12-18
    • EP11785159.2
    • 2011-11-02
    • Telefonaktiebolaget L M Ericsson (PUBL)
    • JÖNGREN, GeorgeLINDBOM, LarsPARKVALL, Stefan
    • H04W24/10
    • H04L25/0204H04J11/00H04L5/0032H04L5/0048H04L5/0057H04W16/32H04W24/10H04W52/244H04W72/1226H04W88/02Y02D70/1262Y02D70/1264
    • A high-power point and one or more low-power points transmit signals associated with the same cell-identifier in a heterogeneous cell deployment. Coverage areas corresponding to the low-power points fall at least partly within the coverage area for the high-power point, so that mobile stations within range of a low-power point are also within range of the high-power point. Channel-state-information reference symbols, CSI-RS, are transmitted using different CSI-RS resources on different transmission points within the cell, while configuration of CSI-RS measurement resources is conducted on a UE-specific basis. The choice of measurement resources to be used is determined by the network, based on the properties of the channels from the transmission points to the UE. As the UE moves around within the cell, the network tracks the channel properties and reconfigures the CSI-RS resources measured by the UE, to correspond to the resource of the closest transmission point or points.
    • 高功率点和一个或多个低功率点在异构小区部署中发送与相同小区标识符相关联的信号。 与低功率点相对应的覆盖区域至少部分地落在高功率点的覆盖区域内,使得在低功率点范围内的移动站也在高功率点的范围内。 信道状态信息参考符号CSI-RS在小区内的不同传输点上使用不同的CSI-RS资源发送,而CSI-RS测量资源的配置是在UE特定的基础上进行的。 所使用的测量资源的选择由网络根据从传输点到UE的信道的属性来确定。 当UE在小区内移动时,网络跟踪信道属性并重新配置由UE测量的CSI-RS资源,以对应于最接近的传输点或点的资源。