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    • 2. 发明授权
    • Point-dependent resource symbol configuration in a wireless cell
    • 无线小区中与点依赖的资源符号配置
    • US09264927B2
    • 2016-02-16
    • US13389603
    • 2011-11-02
    • George JöngrenLars LindbomStefan Parkvall
    • George JöngrenLars LindbomStefan Parkvall
    • H04L12/26H04W24/10H04W16/32H04L5/00H04L25/02
    • 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。 对应于低功率点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。 要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。
    • 5. 发明授权
    • Methods and arrangements in a mobile telecommunication network
    • 移动电信网络中的方法和布置
    • US08447343B2
    • 2013-05-21
    • US12893383
    • 2010-09-29
    • Dirk GerstenbergerDaniel LarssonLars Lindbom
    • Dirk GerstenbergerDaniel LarssonLars Lindbom
    • H04B7/14H04B7/00H04B7/185H04W4/00G01R31/08
    • H04W52/146H04W28/18H04W52/10H04W52/242H04W52/247H04W52/325H04W52/34H04W74/0833
    • The present invention relates to methods and arrangements for assisting a User Equipment (UE) to determine transmit power to be used on a first uplink component carrier y, wherein the base station is configured to communicate with the UE over a plurality of uplink and downlink component carriers x,y. The UE is aware of path loss parameters associated with a second downlink component carrier x. The method in a base station comprises determining cell specific path loss parameters associated with the component carriers of the base station. The cell specific path loss parameters at least comprises path loss parameters associated with the first uplink component carrier y and a second uplink component carrier x which is paired to the second downlink component carrier x, wherein the second uplink component carrier and second downlink component carrier are within one frequency band. The method comprises the further steps of calculating a pathloss offset, deltaPL(y,x), for the first uplink component carrier y, wherein the pathloss offset deltaPL(y,x) is the pathloss power offset for the first uplink component carrier y with respect to the second uplink component carrier x, and sending the calculated pathloss offset, deltaPL(y,x) to the UE.
    • 本发明涉及用于辅助用户设备(UE)确定要在第一上行链路分量载波y上使用的发射功率的方法和装置,其中所述基站被配置为通过多个上行链路和下行链路分量与所述UE进行通信 载体x,y。 UE知道与第二下行链路分量载波x相关联的路径损耗参数。 基站中的方法包括确定与基站的分量载波相关联的小区特定路径损耗参数。 小区特定路径损耗参数至少包括与第一上行链路分量载波y相关联的路径损耗参数和与第二下行链路分量载波x配对的第二上行链路分量载波x,其中第二上行链路分量载波和第二下行链路分量载波是 在一个频段内。 该方法包括以下步骤:为第一上行链路分量载波y计算路径损耗偏移量ΔPL(y,x),其中路径损耗偏移量ΔPL(y,x)是第一上行链路分量载波y的路径损耗功率偏移, 相对于第二上行链路分量载波x,并将所计算的路径损耗偏移量ΔPL(y,x)发送给UE。