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    • 3. 发明申请
    • CORRECTION OF QUADRATURE ERRORS
    • 纠正错误
    • WO2010063736A1
    • 2010-06-10
    • PCT/EP2009/066175
    • 2009-12-01
    • NORTEL NETWORKS LIMITEDROW, Paul MurrayDAVIES, Dorian Thomas Charles
    • ROW, Paul MurrayDAVIES, Dorian Thomas Charles
    • H04L27/36
    • H04B1/1638H04L27/364
    • A transmit chain comprises a correction network (1a) for correcting a frequency dependent quadrature error between in-phase and quadrature signal paths for the transmission of an input signal. The correction network has an in- phase input port, a quadrature input port, an in-phase output port and a quadrature output port and each input port is connected to each output port by a digital filter network, the digital filter network comprising a set of filter tap coefficients and configuration means for configuring values of said set of filter tap coefficients. Input signals are up-converted, and a portion of the up- converted signal is coupled to a quadrature downconverter (21). A controller (22) determines an error signal by comparing the down-converted signal with the input signal and modifies the set of values of filter tap coefficients on the basis of the error signal and the input signal to correct said frequency dependent quadrature error.
    • 发射链包括校正网络(1a),用于校正用于传输输入信号的同相和正交信号路径之间的频率相关的正交误差。 校正网络具有同相输入端口,正交输入端口,同相输出端口和正交输出端口,并且每个输入端口由数字滤波器网络连接到每个输出端口,数字滤波器网络包括一组 的滤波器抽头系数和用于配置所述滤波器抽头系数集合的值的配置装置。 输入信号被上变频,并且上变频信号的一部分耦合到正交下变频器(21)。 控制器(22)通过将下变频信号与输入信号进行比较来确定误差信号,并且基于误差信号和输入信号修改滤波器抽头系数的值集合,以校正所述频率相关的正交误差。
    • 5. 发明申请
    • RESOURCE ALLOCATION IN WIRELESS RELAY SYSTEM
    • 资源分配在无线中继系统
    • WO2010015719A1
    • 2010-02-11
    • PCT/EP2009/060310
    • 2009-08-07
    • Nortel Networks LimitedZHU, PeiyingNADEN, James Mark
    • ZHU, PeiyingNADEN, James Mark
    • H04W72/00
    • H04W16/12H04B7/15542H04B7/2606H04L5/0007H04L5/0041H04L5/0044H04L27/2627H04W72/04H04W72/0426H04W72/044H04W72/0446H04W72/0486H04W84/047
    • The capacity of a cellular wireless system is increased by operation of base stations or base station sectors arranged to re-use radio resource elements that are used by neighbouring base stations or base station sectors, in conjunction with operation of relay stations, which are similarly arranged to re¬ use radio resource elements used by neighbouring relay stations, and where the radio resource elements re-used by the relay stations are different to those used by the base stations. The relay stations provide coverage, particularly in the areas at the boundaries between the areas of coverage of base stations that suffer from interference between signals transmitted from the respective base stations. In addition, the relay stations generally increase the average available carrier to interference ratio compared with a system in which base stations alone are deployed. The scheme for the allocation of radio resource elements ensures in particular that interference is avoided between signals transmitted from a base station and signals transmitted from a relay station in radio resource elements allocated to control data.
    • 结合中继站的操作,蜂窝无线系统的容量通过与被相邻基站或基站扇区使用的无线电资源元素重新使用的基站或基站扇区的操作而增加,中继站的操作类似地布置 重新使用由相邻中继站使用的无线电资源元件,以及由中继站重新使用的无线电资源元件与基站使用的无线电资源元件不同。 中继站提供覆盖,特别是在各基站发送的信号之间的基站覆盖区域之间的边界区域。 此外,与仅部署基站的系统相比,中继站通常增加平均可用的载波干扰比。 用于分配无线电资源元素的方案特别地确保在从分配给控制数据的无线电资源元素中发送的基站和从中继站发送的信号之间避免干扰。
    • 8. 发明申请
    • IMPROVEMENTS TO HOME LOCATION REGISTER
    • 改善家居地点登记
    • WO2009040351A2
    • 2009-04-02
    • PCT/EP2008/062705
    • 2008-09-23
    • ORANGE PERSONAL COMMUNICATIONS SERVICES LIMITEDMENDIZABAL, INIGO ROMEROBAILEY, Steve
    • MENDIZABAL, INIGO ROMEROBAILEY, Steve
    • H04W8/04
    • H04W8/04H04Q3/0025H04Q3/0045H04W92/24
    • Embodiments of the invention are concerned with improvements to methods performed by, and the configuration of, Home Location Registers. In one arrangement the method involves processing signalling messages received by a Home Location Register (HLR) in a telecommunications network, the signalling messages being received from a device in the telecommunications network via a serving node and being a type of signalling message which is processed by the HLR according to a standardised processing model. The HLR has access to data identifying a plurality of message processing points associated with a given signalling message, and each said message processing point corresponds to a state of processing of the given signalling message by the HLR and is associated with an event to be triggered. The method comprises: in response to receipt of a predetermined type of signalling message by the HLR, identifying a message processing point from the plurality of message processing points on the basis of said type of signalling message; in response to detection of a state of processing of the signalling message corresponding to the identified message processing point, triggering said event so as to provide a response other than those generated by the HLR according to the standardised processing model. Thus with embodiments of the invention, standardised processing of a given signalling message, such as is performed by the HLR in accordance with MAP 29.002 Phase 2+ Specification for 3G networks, is supplemented by means of monitoring for processing points relating to the standardised processing, and performing certain actions when the processing points are detected. The processing points can include, for example, a start and an end point of a MAP state machine. In one arrangement the actions involve sending a control message to a service node in the network which can be used in retrieving data, this being subsequently used by the HLR in formulating a response message corresponding to the signalling message.
    • 本发明的实施例涉及对归属位置寄存器执行的方法和配置的改进。 在一种布置中,该方法涉及处理由电信网络中的归属位置寄存器(HLR)接收的信令消息,信令消息是经由服务节点从电信网络中的设备接收的,并且是一种信令消息,该信令消息由 HLR根据标准化处理模式。 HLR可以访问识别与给定信令消息相关联的多个消息处理点的数据,并且每个所述消息处理点对应于由HLR处理给定信令消息的状态,并且与要触发的事件相关联。 该方法包括:响应于HLR接收到预定类型的信令消息,基于所述类型的信令消息从多个消息处理点中识别消息处理点; 响应于检测到与所识别的消息处理点相对应的信令消息的处理状态,触发所述事件,以便提供除HLR根据标准化处理模型生成的响应之外的响应。 因此,利用本发明的实施例,通过监视与标准化处理相关的处理点的手段来补充给定信令消息的标准化处理,诸如由HLR根据MAP 29.002“3G网络的第2+规范”规范进行的处理, 并且当检测到处理点时执行某些动作。 处理点可以包括例如MAP状态机的起点和终点。 在一种布置中,动作包括向网络中的服务节点发送控制消息,该服务节点可用于检索数据,HLR随后使用该消息来制定对应于该信令消息的响应消息。