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    • 4. 发明申请
    • OPTICAL SWITCH FOR RADIO ACCESS NETWORK
    • 无线接入网络光开关
    • US20170055050A1
    • 2017-02-23
    • US15307064
    • 2014-04-28
    • Telefonaktiebolaget LM Ericsson (publ)
    • Fabio CAVALIEREKim LARAQUIRoberto SABELLA
    • H04Q11/00H04J14/02
    • H04Q11/0005H04J14/0209H04J14/0282H04Q2011/0016H04Q2011/0032
    • A switch configured to connect a plurality of remote radio units with a plurality of main units in a radio access network. The switch comprises a first stage comprising one or more first units configured to receive a signal originating from a remote radio unit, and configured to output one or more spectral component having a wavelength. The switch further comprises a central stage configured to receive the one or more optical wavelength, and transfer the spectral component to an output port determined by the wavelength. The switch further comprises a second stage comprising one or more second units configured to receive the one or more spectral component from the central stage and output a signal towards a main unit. The first unit is configured to control the wavelength of the output spectral component such that the spectral component is transferred by the central stage to a selected one of said second units.
    • 一种被配置为将多个远程无线电单元与无线电接入网络中的多个主单元连接的开关。 交换机包括第一级,其包括被配置为接收源自远程无线电单元的信号的一个或多个第一单元,并且被配置为输出具有波长的一个或多个频谱分量。 该开关还包括中央级,被配置为接收一个或多个光波长,并将光谱分量传送到由该波长确定的输出端口。 该开关进一步包括第二级,该第二级包括被配置为从中央级接收一个或多个频谱分量并向主单元输出信号的一个或多个第二单元。 第一单元被配置为控制输出光谱分量的波长,使得光谱分量被中央级传送到所选择的一个所述第二单元。
    • 8. 发明申请
    • Methods and Arrangements for Providing Radio Access at Local Site
    • 在本地提供无线电接入的方法和安排
    • US20160006615A1
    • 2016-01-07
    • US14767963
    • 2013-03-07
    • TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    • Kim LARAQUIHenrik ALMEIDABoris DORTSCHYChenguang LUElmar TROJER
    • H04L12/24H04Q11/00H04J14/02H04B10/2575
    • H04L41/0886H04B10/25753H04B10/25758H04B10/25759H04J14/0282H04Q11/0067H04Q2011/0081H04W88/085
    • Methods and nodes for providing radio access to a communication network (314) for mobile terminals (T) at a local site (300). When a local transition unit (304) at the local site receives incoming signals from an antenna (302a) and associated radio head (302b) installed at the local site, the signals are converted into optical form and the local transition unit sends the signals in optical form over an optical link (306) to a central office (308) comprising a set of radio units (312). A central transition unit (310) at the central office converts the signals into a form adapted for reception by a radio unit. The central transition unit is further instructed by a control unit (316) to forward the signals to one of the radio units based on configuration data of the antenna/radio head. The configuration data has been registered at the control unit when received from the antenna/radio head over a control channel automatically at installation. The central transition unit accordingly forwards the signals according to the instruction from the control unit to the correct radio unit for processing in digital format and digital transmission over the communication network.
    • 用于向本地站点(300)处的移动终端(T)提供到通信网络(314)的无线电接入的方法和节点。 当本地站点的本地转换单元(304)从安装在本地的天线(302a)和相关联的无线电头(302b)接收到输入信号时,将信号转换为光学形式,并且本地转换单元将信号发送到 通过光链路(306)到包括一组无线电单元(312)的中心局(308)的光学形式。 中心局的中央转移单元(310)将信号转换为适于由无线电单元接收的形式。 控制单元(316)进一步指示中央转移单元,以基于天线/无线电头的配置数据将信号转发到无线电单元之一。 当在安装时自动地通过控制信道从天线/无线电头接收到配置数据,已经在控制单元处被注册。 中央转移单元相应地根据来自控制单元的指令将信号转发到正确的无线电单元,以用于通过通信网络以数字格式和数字传输进行处理。