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    • 1. 发明申请
    • Methods, Computer Program, Network Node and Network Node Site
    • 方法,计算机程序,网络节点和网络节点站点
    • US20160156422A1
    • 2016-06-02
    • US14408100
    • 2014-11-28
    • Telefonaktiebolaget L M Ericsson (publ)
    • Bengt LindoffBo HagermanFredrik NordströmFredrik Tillman
    • H04B15/00H04W72/04H04B17/345
    • H04B15/00H04B1/1036H04B17/345H04L1/00H04W52/365H04W72/0453H04W72/0473H04W72/12
    • There is provided a method of handling interference caused by inter-modulation in a network node. The method comprises detecting an interference level on an uplink carrier frequency band for stations, and determining whether the interference level indicates probable inter-modulation interference. If the interference level indicates probable inter-modulation interference, the method proceeds with scheduling an uplink transmission grant for at least one of the stations. The uplink transmission grant is valid for a first transmission time interval. The uplink transmission grant is transmitted to the station. A transmit level on the downlink carrier frequency band is assigned at the first transmission time interval such that inter-modulation interference is reduced on the uplink carrier frequency band at the first transmission time interval. An uplink transmission from the station is received at the first transmission time interval. Further methods, computer programs, a network node and a network node site are also disclosed.
    • 提供了一种在网络节点中处理由互调制引起的干扰的方法。 该方法包括检测用于站的上行链路载波频带上的干扰电平,以及确定干扰电平是否表示可能的互调干扰。 如果干扰电平表示可能的互调干扰,则该方法继续调度至少一个站的上行链路传输许可。 上行链路传输许可对于第一传输时间间隔是有效的。 上行链路传输许可被发送到站。 在第一传输时间间隔分配下行链路载波频带上的传输电平,使得在第一传输时间间隔上的上行链路载波频带上的互调干扰减小。 在第一传输时间间隔接收来自该站的上行传输。 还公开了其他方法,计算机程序,网络节点和网络节点站点。
    • 3. 发明授权
    • Method and apparatus for handling inter-modulation interference in a network node capable of FDD communications
    • 用于处理能够进行FDD通信的网络节点中的互调干扰的方法和装置
    • US09432131B2
    • 2016-08-30
    • US14408100
    • 2014-11-28
    • Telefonaktiebolaget L M Ericsson (publ)
    • Bengt LindoffBo HagermanFredrik NordströmFredrik Tillman
    • H04B7/00H04B15/00H04B17/345H04W72/04
    • H04B15/00H04B1/1036H04B17/345H04L1/00H04W52/365H04W72/0453H04W72/0473H04W72/12
    • There is provided a method of handling interference caused by inter-modulation in a network node. The method comprises detecting an interference level on an uplink carrier frequency band for stations, and determining whether the interference level indicates probable inter-modulation interference. If the interference level indicates probable inter-modulation interference, the method proceeds with scheduling an uplink transmission grant for at least one of the stations. The uplink transmission grant is valid for a first transmission time interval. The uplink transmission grant is transmitted to the station. A transmit level on the downlink carrier frequency band is assigned at the first transmission time interval such that inter-modulation interference is reduced on the uplink carrier frequency band at the first transmission time interval. An uplink transmission from the station is received at the first transmission time interval. Further methods, computer programs, a network node and a network node site are also disclosed.
    • 提供了一种在网络节点中处理由互调制引起的干扰的方法。 该方法包括检测用于站的上行链路载波频带上的干扰电平,以及确定干扰电平是否表示可能的互调干扰。 如果干扰电平表示可能的互调干扰,则该方法继续调度至少一个站的上行链路传输许可。 上行链路传输许可对于第一传输时间间隔是有效的。 上行链路传输许可被发送到站。 在第一传输时间间隔分配下行链路载波频带上的传输电平,使得在第一传输时间间隔上的上行链路载波频带上的互调干扰减小。 在第一传输时间间隔接收来自该站的上行传输。 还公开了其他方法,计算机程序,网络节点和网络节点站点。
    • 4. 发明授权
    • Down-conversion circuit with interference detection
    • 具有干扰检测功能的下变频电路
    • US09344039B2
    • 2016-05-17
    • US14375788
    • 2013-01-23
    • Telefonaktiebolaget L M Ericsson (publ)
    • Imad Ud DinStefan AnderssonHenrik SjolandFredrik TillmanJohan Wernehag
    • H04B1/10H03D7/14H04B1/28H03G3/30H04B1/16
    • H03D7/1466H03D7/1441H03D7/1458H03D2200/0088H03G3/3036H04B1/1027H04B1/109H04B1/16H04B1/28
    • A down-conversion circuit for a receiver circuit is disclosed. It comprises a first mixer arranged to down-convert an RF signal with a first LO signal (LO1), thereby generating a first down-converted signal. It further comprises a second mixer arranged to down-convert the RF signal with a second LO signal (LO2) having the same LO frequency as the first LO signal (LO1), but a different and a second duty cycle, thereby generating a second down-converted signal. The second mixer has an enabled and a disabled mode. The down-conversion circuit also comprises a third mixer arranged to down-convert the RF signal with the second LO signal (LO2), thereby generating a third down-converted signal. A passive output combiner network is used to combine the first and the second down-converted signals such that harmonically down-converted signal content present in the first down-converted signal and harmonically down-converted signal content present in the second down-converted signal cancel in a combined output signal of the down-conversion circuit. The down-conversion circuit further comprises a detection unit adapted to detect interference based on the first and third down-converted signals and to selectively set the second passive switching mixer in the enabled mode, for counteracting the interference, or in the disabled mode, for saving power compared with the enabled mode, based on the detection. A corresponding receiver circuit, a corresponding communication device, and a corresponding method are also disclosed.
    • 公开了一种用于接收机电路的下变频电路。 它包括一个第一混频器,其被布置成利用第一LO信号(LO1)对RF信号进行下变频,由此产生第一下变频信号。 它还包括第二混频器,其被布置为利用具有与第一LO信号(LO1)相同LO频率但具有不同和第二占空比的第二LO信号(LO2)对RF信号进行下变频,由此产生第二下降 转换信号。 第二个混音器具有启用和禁用模式。 下变频电路还包括第三混频器,其被布置为利用第二LO信号(LO2)对RF信号进行下变频,由此产生第三下变频信号。 无源输出组合器网络用于组合第一和第二下变频信号,使得存在于第一下变频信号中的谐波下变频信号内容和存在于第二下变频信号中的谐波下变频信号内容取消 在下变频电路的组合输出信号中。 下变换电路还包括检测单元,其适于基于第一和第三下变频信号来检测干扰,并且选择性地将第二无源开关混频器设置在使能模式中,以抵消干扰,或者在禁用模式下, 基于检测功能,与启用模式相比节电。 还公开了相应的接收机电路,相应的通信设备和相应的方法。
    • 6. 发明申请
    • Method, Apparatus and Computer Program for Selectable Operation of a Network Node
    • 网络节点可选择操作的方法,装置和计算机程序
    • US20150282231A1
    • 2015-10-01
    • US14433486
    • 2012-10-05
    • TELEFONAKTIEBOLAGET L M ERICSSON (publ)
    • Fredrik GunnarssonFredrik TillmanLeif Wilhelmsson
    • H04W76/02H04L5/14H04W16/32H04W72/04
    • H04L5/14H04W16/32H04W72/0413H04W76/14H04W84/18H04W88/02H04W88/04H04W88/10
    • A network node (100) enabled to work, within a cellular communication system comprising a plurality of base stations (102), according to a device-to-device, D2D communication mode is disclosed. The network node (100) can also have backhaul (600) capability via a second communication network (602) distinct from a backbone network (502) of the cellular communication network and is enabled to provide D2D communication by direct or multi-hop communication with other nodes or terminals (104, 106) on a peer level for providing service via the second communication network (602) when operating in the D2D communication mode. The network node (100) can have backhaul (500) capability via a backbone network (502) of the cellular communication network, wherein the network node (100) is further enabled to work according to a device-to-device, D2D communication mode within and under control of the cellular communication network. Methods and computer program are also disclosed.
    • 公开了一种能够根据设备到设备的D2D通信模式在包括多个基站(102)的蜂窝通信系统内工作的网络节点(100)。 网络节点(100)还可以经由与蜂窝通信网络的骨干网络(502)不同的第二通信网络(602)具有回程(600)能力,并且能够通过直接或多跳通信提供D2D通信 在D2D通信模式下操作时,通过第二通信网络(602)提供服务的对等层上的其他节点或终端(104,106)。 网络节点(100)可以经由蜂窝通信网络的骨干网络(502)具有回程(500)能力,其中网络节点(100)还能够根据设备到设备的D2D通信模式工作 在蜂窝通信网络的内部和之下。 还公开了方法和计算机程序。
    • 7. 发明申请
    • DOWN-CONVERSION CIRCUIT WITH INTERFERENCE DETECTION
    • 具有干扰检测的下变频电路
    • US20140370833A1
    • 2014-12-18
    • US14375788
    • 2013-01-23
    • Telefonaktiebolaget L M Ericsson (publ)
    • Imad Ud DinStefan AnderssonHenrik SjolandFredrik TillmanJohan Wernehag
    • H03D7/14H03G3/30H04B1/16
    • H03D7/1466H03D7/1441H03D7/1458H03D2200/0088H03G3/3036H04B1/1027H04B1/109H04B1/16H04B1/28
    • A down-conversion circuit for a receiver circuit is disclosed. It comprises a first mixer arranged to down-convert an RF signal with a first LO signal (LO1), thereby generating a first down-converted signal. It further comprises a second mixer arranged to down-convert the RF signal with a second LO signal (LO2) having the same LO frequency as the first LO signal (LO1), but a different and a second duty cycle, thereby generating a second down-converted signal. The second mixer has an enabled and a disabled mode. The down-conversion circuit also comprises a third mixer arranged to down-convert the RF signal with the second LO signal (LO2), thereby generating a third down-converted signal. A passive output combiner network is used to combine the first and the second down-converted signals such that harmonically down-converted signal content present in the first down-converted signal and harmonically down-converted signal content present in the second down-converted signal cancel in a combined output signal of the down-conversion circuit. The down-conversion circuit further comprises a detection unit adapted to detect interference based on the first and third down-converted signals and to selectively set the second passive switching mixer in the enabled mode, for counteracting the interference, or in the disabled mode, for saving power compared with the enabled mode, based on the detection. A corresponding receiver circuit, a corresponding communication device, and a corresponding method are also disclosed.
    • 公开了一种用于接收机电路的下变频电路。 它包括一个第一混频器,其被布置成利用第一LO信号(LO1)对RF信号进行下变频,由此产生第一下变频信号。 它还包括第二混频器,其被布置为利用具有与第一LO信号(LO1)相同LO频率但具有不同和第二占空比的第二LO信号(LO2)对RF信号进行下变频,由此产生第二下降 转换信号。 第二个混音器具有启用和禁用模式。 下变频电路还包括第三混频器,其被布置为利用第二LO信号(LO2)对RF信号进行下变频,由此产生第三下变频信号。 无源输出组合器网络用于组合第一和第二下变频信号,使得存在于第一下变频信号中的谐波下变频信号内容和存在于第二下变频信号中的谐波下变频信号内容取消 在下变频电路的组合输出信号中。 下变换电路还包括检测单元,其适于基于第一和第三下变频信号来检测干扰,并且选择性地将第二无源开关混频器设置在使能模式中,以抵消干扰,或者在禁用模式下, 基于检测功能,与启用模式相比节电。 还公开了相应的接收机电路,相应的通信设备和相应的方法。