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    • 52. 发明授权
    • Selection of location measurement units for determining the position of a mobile communication station
    • 选择用于确定移动通信站的位置的位置测量单元
    • US06282427B1
    • 2001-08-28
    • US09353239
    • 1999-07-14
    • Erik LarssonAri KangasSven Fischer
    • Erik LarssonAri KangasSven Fischer
    • H04Q720
    • H04W64/00G01S1/04G01S5/0268G01S5/14
    • In selecting location measurement units for measuring an uplink signal received from a mobile communication station operating in a wireless communication network in order to locate the position of the mobile communication station in the wireless communication network, a possible position of the mobile station in the network is identified. The location measurement units to be used in measuring the uplink signal can then be identified by evaluating one or more of relative positional relationships between the possible position of the mobile station and a plurality of further positions respectively associated with a plurality of location measurement units in the network; path loss measures predicted for each of a plurality of location measurement units relative to the possible position of the mobile station; and geometric dilution of precision (GDOP) values determined for each of a plurality of groups of location measurement units with respect to the possible position of the mobile station.
    • 在选择用于测量从在无线通信网络中操作的移动通信站接收的上行链路信号的位置测量单元,以便定位移动通信站在无线通信网络中的位置时,移动站在网络中的可能位置是 确定。 然后可以通过评估移动台的可能位置和分别与多个位置测量单元相关联的多个其它位置之间的相对位置关系中的一个或多个来识别用于测量上行链路信号的位置测量单元 网络; 针对多个位置测量单元中的每一个相对于移动站的可能位置预测的路径损耗测量; 以及相对于移动台的可能位置为多个位置测量单元组中的每一个确定的精度(GDOP)值的几何稀释。
    • 53. 发明授权
    • Reducing load in a communications network
    • 降低通信网络中的负载
    • US09030954B2
    • 2015-05-12
    • US13636507
    • 2010-03-24
    • Markus RingstromAri Kangas
    • Markus RingstromAri Kangas
    • H04W52/32H04W52/24H04W52/12H04W52/14
    • H04W52/325H04W52/12H04W52/146H04W52/241
    • Apparatus and method for reducing an air interface load in a communication network. A base station is provided with a receiver adapted to receive signals from a terminal via a Dedicated Physical Control Channel (DPCCH) and a second control channel. A measuring unit measures a signal to interference ratio (SIR) of the DPCCH. An effective SIR determining unit determines an effective SIR on the basis of the measured SIR of the DPCCH and an estimate of the SIR of the second control channel. A comparison unit compares the effective SIR with a target SIR, and a power determination unit determines a power control command for controlling power usage for the DPCCH on the basis of the comparison. A transmitter sends a message to the terminal, the message including the power control command. The invention allows the DPCCH power (or DPCCH SIR) operating point to be maintained at a low level.
    • 用于减少通信网络中的空中接口负载的装置和方法。 基站设置有适于经由专用物理控制信道(DPCCH)和第二控制信道从终端接收信号的接收机。 测量单元测量DPCCH的信号干扰比(SIR)。 有效SIR确定单元基于DPCCH的测量SIR和第二控制信道的SIR的估计来确定有效SIR。 比较单元将有效SIR与目标SIR进行比较,功率确定单元基于比较来确定用于控制DPCCH的功率使用的功率控制命令。 发射机向终端发送消息,该消息包括功率控制命令。 本发明允许DPCCH功率(或DPCCH SIR)工作点保持在低电平。
    • 54. 发明授权
    • Signalling measurements for positioning in a wireless network
    • 用于在无线网络中定位的信号测量
    • US08838141B2
    • 2014-09-16
    • US13322065
    • 2009-05-29
    • Iana SiominaAri Kangas
    • Iana SiominaAri Kangas
    • H04W24/00
    • H04W64/00
    • A method in a signalling device for assisting in positioning of user equipment based on time measurements is provided. The signalling device is associated with an s-cell, which is recognized by the first network node as having limited functionality and is, therefore, not considerable for the user equipment as a candidate cell for serving the user equipment (for data transmission. The signalling device associated s-cell is part of a positioning neighbor list of neighbor cells. The neighbor cells in the list are configured to have time measurements performed thereon by the user equipment for enabling positioning. The signalling device is configured to transmit predefined reference signals in predefined subframes and according to a predefined pattern relating to preselected subcarriers and preselected time slots within a subframe. The signalling device obtains synchronization information and transmits reference signals according to the configuration and synchronized according to the obtained synchronization information. This enables the user equipment to receive and perform time measurements on the transmitted reference signals for positioning when the signalling device associated s-cell is in the positioning neighbor list.
    • 提供了一种用于辅助基于时间测量定位用户设备的信号装置中的方法。 信令装置与第一网络节点识别为具有有限功能的s小区相关联,因此作为用于服务用户设备的候选小区(用于数据传输)的用户设备不太可能。信令 设备相关联的s-cell是相邻小区的定位邻居列表的一部分,列表中的相邻小区被配置为由用户设备执行时间测量以实现定位,信令设备被配置为在预定义的 子帧,根据与子帧内的预先选择的子载波和预选时隙有关的预定义模式,信令装置根据配置获取同步信息并发送参考信号,并根据所获得的同步信息进行同步,使用户设备能够接收和 对传输进行时间测量 当信令设备相关联的s-cell位于定位邻居列表中时,用于定位的参考信号。
    • 56. 发明授权
    • Allocation of primary and secondary synchronization code sequences to cells in a wireless communication system
    • 将主和次同步码序列分配给无线通信系统中的小区
    • US08731573B2
    • 2014-05-20
    • US13319301
    • 2009-05-08
    • Bengt LindoffNiklas AndgartAri KangasAnders Rosenqvist
    • Bengt LindoffNiklas AndgartAri KangasAnders Rosenqvist
    • H04W72/00H04W4/00
    • H04L5/0037H04J11/0069H04J13/18
    • Allocation of cell IDs in a cellular communication system includes determining a candidate allocation pattern of primary and secondary synchronization signal sequences for a candidate set of two or more cells. A performance metric is applied to the candidate allocation pattern to ascertain a performance indicator for the candidate allocation pattern, wherein the performance indicator indicates a quality of positioning performance for the candidate set of two or more cells. Cell-specific positioning performance for each cell in the candidate set of cells can be considered to derive the performance indicator of the candidate allocation pattern. If the performance indicator indicates acceptable positioning performance, primary and secondary synchronization signal sequences are allocated to respective ones of base stations corresponding to the two or more cells in accordance with the candidate allocation pattern. Otherwise, the process is repeated for a different candidate allocation pattern.
    • 蜂窝通信系统中的小区ID的分配包括确定用于两个或更多个小区的候选组的主同步信号序列和辅同步信号序列的候选分配模式。 将性能度量应用于候选分配模式以确定候选分配模式的性能指标,其中性能指标指示两个或多个小区的候选集的定位性能的质量。 可以考虑候选小区集合中的每个小区的小区特定定位性能以导出候选分配模式的性能指标。 如果性能指示符指示可接受的定位性能,则根据候选分配模式将主同步信号序列和次同步信号序列分配给对应于两个或多个小区的基站中的相应基站。 否则,针对不同的候选分配模式重复该过程。
    • 58. 发明申请
    • Signalling Measurements for Positioning in a Wireless Network
    • 信号测量在无线网络中的定位
    • US20120122478A1
    • 2012-05-17
    • US13322065
    • 2009-05-29
    • Iana SiominaAri Kangas
    • Iana SiominaAri Kangas
    • H04W24/00
    • H04W64/00
    • A method in a signalling device for assisting in positioning of user equipment based on time measurements is provided. The signalling device is associated with an s-cell, which is recognized by the first network node as having limited functionality and is, therefore, not considerable for the user equipment as a candidate cell for serving the user equipment (for data transmission. The signalling device associated s-cell is part of a positioning neighbour list of neighbour cells. The neighbour cells in the list are configured to have time measurements performed thereon by the user equipment for enabling positioning. The signalling device is configured to transmit predefined reference signals in predefined subframes and according to a predefined pattern relating to preselected subcarriers and preselected time slots within a subframe. The signalling device obtains synchronisation information and transmits reference signals according to the configuration and synchronized according to the obtained synchronisation information. This enables the user equipment to receive and perform time measurements on the transmitted reference signals for positioning when the signalling device associated s-cell is in the positioning neighbour list.
    • 提供了一种用于辅助基于时间测量定位用户设备的信号装置中的方法。 信令装置与第一网络节点识别为具有有限功能的s小区相关联,因此作为用于服务用户设备的候选小区(用于数据传输)的用户设备不太可能。信令 设备相关联的s-cell是相邻小区的定位邻居列表的一部分,列表中的相邻小区被配置为由用户设备执行时间测量以实现定位,信令设备被配置为在预定义的 子帧,根据与子帧内的预先选择的子载波和预选时隙有关的预定义模式,信令装置根据配置获取同步信息并发送参考信号,并根据所获得的同步信息进行同步,使用户设备能够接收和 对tra进行时间测量 当信令设备关联的s-cell位于定位邻居列表中时,用于定位的已接收的参考信号。