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    • 2. 发明申请
    • METHOD AND NODE RELATED TO CHANNEL ESTIMATION
    • 与通道估计相关的方法和节点
    • WO2013055268A1
    • 2013-04-18
    • PCT/SE2011/051225
    • 2011-10-13
    • TELEFONAKTIEBOLAGET L M ERICSSON (publ)YU, Lusheng, LuciusGÖRANSSON, BoHUANG, JinliangYANG, Yu
    • YU, Lusheng, LuciusGÖRANSSON, BoHUANG, JinliangYANG, Yu
    • H04J11/00H04L25/02
    • H04W24/02H04J11/005H04L25/0202H04L25/0208H04L27/2647
    • The present invention relates to a method for estimating a channel between a receiving node and a first transmitting node. The method comprises determining (210) a first and a second sub-carrier associated with the channel, and multiplying (220) a signal received on the first sub-carrier with a first number to form a first resulting signal. The first number multiplied with a known signal transmitted by a second transmitting node on the first sub-carrier equals to a constant value. The method further comprises multiplying (230) a signal received on the second sub-carrier with a second number to form a second resulting signal. The second number multiplied with the known signal transmitted by the second transmitting node on the second sub-carrier equals to the constant value. The method also comprises subtracting (240) the second resulting signal from the first resulting signal to obtain a signal for which interference from the second transmitting node is suppressed, and estimating (250) the channel based on the obtained signal.
    • 本发明涉及一种用于估计接收节点和第一发射节点之间的信道的方法。 该方法包括确定(210)与该信道相关联的第一和第二子载波,以及将第一子载波上接收的信号与第一数乘以(220)以形成第一结果信号。 与第一子载波上的第二发送节点发送的已知信号相乘的第一个数字等于一个常数值。 该方法还包括将第二子载波上接收的信号与第二数乘以(230)以形成第二结果信号。 与第二子载波上的第二发送节点发送的已知信号相乘的第二数字等于该常数值。 该方法还包括从第一结果信号中减去(240)第二结果信号,以获得抑制来自第二发送节点的干扰的信号,以及基于获得的信号估计(250)信道。
    • 4. 发明申请
    • METHOD AND ARRANGEMENT IN WIRELESS COMMUNICATIONS NETWORK
    • 无线通信网络中的方法和布置
    • WO2010110705A1
    • 2010-09-30
    • PCT/SE2009/050302
    • 2009-03-23
    • TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)DIMOU, KonstantinosYANG, Yu
    • DIMOU, KonstantinosYANG, Yu
    • H04W28/06
    • H04W36/0083H04W28/06
    • A method in a wireless terminal (110) for sending a measurement report to a serving base station (130) before handover is provided. The wireless terminal (110) and the base station (130) are comprised in a cell in a wireless communications system. The wireless terminal (110) is arranged to use a standard size message or a reduced size message for sending a measurement report before a handover. The wireless terminal (110) obtains (601 ) information about the cell size and/or the system load. When the cell size exceeds a predetermined value or when the system load exceeds a predetermined value, the wireless terminal (110) sends (605) a measurement report to the base station (130), using the reduced size message.
    • 提供了一种用于在切换之前向服务基站(130)发送测量报告的无线终端(110)中的方法。 无线终端(110)和基站(130)被包括在无线通信系统中的小区中。 无线终端(110)被安排为在切换之前使用标准尺寸消息或缩小尺寸的消息来发送测量报告。 无线终端(110)获得关于小区大小和/或系统负载的信息(601)。 当小区大小超过预定值时,或者当系统负载超过预定值时,无线终端(110)使用缩小尺寸的消息向基站(130)发送测量报告(605)(605)。
    • 7. 发明申请
    • METHODS FOR HANDOVER CONFIGURATION
    • 用于切换配置的方法
    • WO2015063626A1
    • 2015-05-07
    • PCT/IB2014/064965
    • 2014-09-30
    • TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
    • DIMOU, KonstantinosYANG, Yu
    • H04W36/00H04W36/30
    • H04W36/0088H04W36/0083H04W36/0094H04W36/30
    • The dynamic determination of a handover trigger for triggering handover of a mobile terminal (300) m a wireless network (50) from a source base station (100) to a target base station. (200) is based on one or more Key Performance Indicators (KPIs). Each KPI indicates a quality of wireless services provided by the wireless network (50) responsive to a particular handover trigger. If an obtained parameter that indirectly or directly impacts handover performance passes a corresponding performance test, the mobile terminal (300) selects the handover trigger based on the KPIs. If the parameter fails the corresponding performance test, the source base station (100) selects the handover trigger based on the KPIs.
    • 用于触发无线网络(50)从源基站(100)到目标基站的移动终端(300)的切换的切换触发的动态确定。 (200)基于一个或多个关键绩效指标(KPI)。 每个KPI指示由无线网络(50)提供的响应于特定切换触发的无线服务的质量。 如果获得的间接或直接影响切换性能的参数通过相应的性能测试,则移动终端(300)基于KPI选择切换触发。 如果参数失败对应的性能测试,则源基站(100)基于KPI选择切换触发。
    • 9. 发明申请
    • DEVICE-ANCHOR BASE STATIONS
    • 设备锚固基座
    • WO2014118760A1
    • 2014-08-07
    • PCT/IB2014/058763
    • 2014-02-03
    • TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
    • YANG, YuDIMOU, Konstantinos
    • H04W88/04
    • H04W88/04H04W4/021H04W4/70H04W48/20
    • Systems and methods are disclosed for providing efficient and reliable communication for wireless devices (16, 20), e.g., Machine Type Communication devices (16), in a cellular communications network (10). In one embodiment, a network node (12) of the cellular communications network (10) identifies candidate device-anchor base stations (20), where the candidate device-anchor base stations (20) are wireless devices (20) that satisfy one or more predefined criteria for serving as a candidate device-anchor base station (20). The network node (12) then effects selection of a device-anchor base station (20) for a wireless device (16, 20) from the candidate device-anchor base stations (20) such that communication between a serving base station (12) of the wireless device (16, 20) and the wireless device (16, 20) is via the device-anchor base station (20). In this manner, communication between the wireless device (16, 20) and the serving base station (20) of the wireless device (16, 20) is assisted by the device-anchor base station (20).
    • 公开了用于在蜂窝通信网络(10)中为无线设备(16,20)(例如,机器类型通信设备(16))提供有效和可靠的通信的系统和方法。 在一个实施例中,蜂窝通信网络(10)的网络节点(12)识别候选设备锚定基站(20),其中候选设备锚定基站(20)是无线设备(20),其满足一个或 用作候选设备锚定基站(20)的更多预定标准。 然后,网络节点(12)从候选设备锚定基站(20)对无线设备(16,20)进行设备锚定基站(20)的选择,使得服务基站(12) 无线设备(16,20)和无线设备(16,20)经由设备锚定基站(20)。 以这种方式,无线设备(16,20)与无线设备(16,20)的服务基站(20)之间的通信由设备锚定基站(20)辅助。