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    • 1. 发明授权
    • Radio equipment (RE)-based synchronization
    • 基于无线电设备(RE)的同步
    • US08050296B2
    • 2011-11-01
    • US12147258
    • 2008-06-26
    • Jacob Kristian Österling
    • Jacob Kristian Österling
    • H04L12/56H04J1/16
    • H04J3/0638H04J3/0647H04W88/085
    • A distributed radio base station includes a first radio equipment controller (REC) node, a second radio equipment controller (REC) node, and a radio equipment (RE) node for transceiving information over a radio interface with one or more radio terminals. The first REC node and the second REC node are physically separate from the RE node. The first REC node and/or the second REC node are/is connected to the RE node by a transmission link. Synchronization reference information is provided to one of the REC and RE nodes. The synchronization reference information in the one node is compared with timing information received from another of the REC nodes to generate a timing difference. The timing difference is used to adjust a timing unit at the another node in order to achieve timing synchronization between the RE node, the first REC node, and the second REC node.
    • 分布式无线电基站包括第一无线电设备控制器(REC)节点,第二无线电设备控制器(REC)节点和用于通过无线电接口与一个或多个无线电终端收发信息的无线电设备(RE)节点。 第一REC节点和第二REC节点在物理上与RE节点分开。 第一REC节点和/或第二REC节点通过传输链路连接到RE节点。 将同步参考信息提供给REC和RE节点之一。 将一个节点中的同步参考信息与从另一个REC节点接收的定时信息进行比较,以产生定时差。 定时差用于调整另一节点处的定时单元,以便实现RE节点,第一REC节点和第二REC节点之间的定时同步。
    • 2. 发明授权
    • Method and means for telecommunication
    • 电信方法和手段
    • US06965658B1
    • 2005-11-15
    • US09689764
    • 2000-10-13
    • Dan Anders LindqvistJacob Kristian ÖsterlingKarl-Gösta Emar Sahlman
    • Dan Anders LindqvistJacob Kristian ÖsterlingKarl-Gösta Emar Sahlman
    • H04B1/00H04B1/10H04B1/28H04B1/40H04L1/02
    • H04B1/0003H04B1/00H04B1/109H04B1/28H04B1/40
    • The present invention relates to methods and or receiving analogue signals varying within a large signal range in for instance a radio communication system. A receiver (300) includes an un-attenuated signal receiver branch (303) with a first dynamic range and at least one attenuated signal receiver branch (304) with a second dynamic range. The attenuated signal receiver branch (304) is arranged in such a way that the second dynamic range is partly overlapping the first dynamic range and together with the first dynamic range cover the large signal range of the analogue signals. The attenuated signal receiver branch (304) includes an attenuator (306) which attenuate the amplitude of an input signal by a certain value to acquire the desired overlapping second dynamic range. The signal receiver branches are connected to a third block 308 which selects between sampled bursts from the respective signal receiver branch for further processing in the receiver.
    • 本发明涉及在例如无线电通信系统中在大信号范围内变化的方法和/或接收模拟信号。 接收机(300)包括具有第一动态范围的未衰减的信号接收机分支(303)和具有第二动态范围的至少一个衰减信号接收机分支(304)。 衰减信号接收器分支(304)被布置成使得第二动态范围部分地与第一动态范围重叠,并且与第一动态范围一起覆盖模拟信号的大信号范围。 衰减信号接收器分支(304)包括衰减器(306),其将输入信号的振幅衰减一定值以获得期望的重叠的第二动态范围。 信号接收器分支连接到第三块308,第三块308在来自相应的信号接收器分支的采样突发之间进行选择,以在接收机中进一步处理。