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    • 2. 发明授权
    • Method for calibrating the frequency of an RF oscillator in a mobile part of a mobile communications device
    • 用于校准移动通信设备的移动部分中的RF振荡器的频率的方法
    • US07289779B2
    • 2007-10-30
    • US10381014
    • 2001-08-31
    • Bernd BienekAndreas FalkenbergStephan KargerTheo KreulAlbrecht KunzHolger Landenberger
    • Bernd BienekAndreas FalkenbergStephan KargerTheo KreulAlbrecht KunzHolger Landenberger
    • H03J7/32
    • H03J1/0066H03J7/04
    • A method is provided for calibrating the frequency of an RF oscillator in a mobile part of a mobile communications device when the mobile part is first switched on, wherein the method includes the steps of: sampling a modulated carrier that is transmitted by a base station and has a prescribed frequency accuracy, such that scanning of the modulated carrier is performed via a frequency search algorithm with the modulated carrier being demodulated, a signal thus demodulated being compared in an evaluation and synchronization program via a correlation with a sequence known in advance, and a correlation peak in an output of the correlator being determined; determining a frequency error between the frequency of the RF oscillator in the mobile part of the mobile communications device and a known channel frequency of the base station by comparing the determined correlation peak of the output of the correlator with a channel raster, known in advance to the mobile communications device, of the base station; synchronizing the mobile communications device with the modulated carrier; and adopting a frequency, corrected by the frequency error, for the RF oscillator as reference frequency for further calibration operations.
    • 提供了一种用于在移动部件首次接通时校准移动通信设备的移动部分中的RF振荡器的频率的方法,其中该方法包括以下步骤:对由基站发送的调制载波进行采样,以及 具有规定的频率精度,使得经调制载波的频率搜索算法执行调制载波的扫描,经解调的调制载波经过与预先已知的序列的相关性在评估和同步程序中进行比较解调的信号,以及 确定相关器的输出中的相关峰值; 通过将确定的相关器的输出的相关峰值与预先已知的信道光栅进行比较来确定移动通信设备的移动部分中的RF振荡器的频率与基站的已知信道频率之间的频率误差, 基站的移动通信设备; 使移动通信设备与调制载波同步; 并采用RF频率校正的频率作为进一步校准操作的参考频率。
    • 3. 发明授权
    • Method for administering radio resources by monitoring the interference situation
    • 监测干扰情况管理无线电资源的方法
    • US07197316B2
    • 2007-03-27
    • US10345976
    • 2003-01-17
    • Stephan Karger
    • Stephan Karger
    • H04Q7/20
    • H04W16/10H04W72/0413H04W72/082
    • In a method for administering radio resources in a mobile radio cell, which includes a plurality of mobile terminals which are distinguishable by their radio signals, and a base station, the administration of radio resources of a mobile radio cell is improved to such an extent that the available radio resources are utilized more economically. A mobile terminal is requested by the base station to send out a signal, currently present at a receiver of the mobile terminal, which is representative of an interference situation at the location of the mobile terminal. This is sent together with information for estimating the channel between the mobile terminal and the base station so that the base station receives raw data at the location of the mobile terminal, and evaluates the signal received from the mobile terminal and the information for estimating the channel between the mobile terminal and the base station for determining the radio sources forming the basis of the signal and the intensities of at least some of the radio sources. Further, the base station in the mobile radio cell adapts the distribution of the radio resources for improving the interference situation at the location of the mobile terminal.
    • 在包括可通过其无线电信号区分的多个移动终端的移动无线小区中的无线电资源的管理方法以及基站中,移动无线电小区的无线电资源的管理被改进到这样的程度: 可用的无线电资源更经济地利用。 移动终端由基站请求发送当前存在于移动终端的接收机处的信号,其表示移动终端的位置处的干扰情况。 这与用于估计移动终端和基站之间的信道的信息一起发送,使得基站在移动终端的位置处接收原始数据,并且评估从移动终端接收的信号和估计信道的信息 在移动终端和基站之间,用于确定形成信号的基础的无线电源和至少一些无线电源的强度。 此外,移动无线电小区中的基站适应无线电资源的分配,以改善移动终端的位置处的干扰情况。
    • 4. 发明授权
    • Method for frequency acquisition of a mobile communications device
    • 用于移动通信设备的频率采集的方法
    • US07826577B2
    • 2010-11-02
    • US10381149
    • 2001-09-19
    • Bernd BienekAndreas FalkenbergStephan KargerTheo KreulAlbrecht KunzHolger Landenberger
    • Bernd BienekAndreas FalkenbergStephan KargerTheo KreulAlbrecht KunzHolger Landenberger
    • H04L7/00
    • H04L27/2332H04L2027/0032H04L2027/0093
    • A method is provided for frequency acquisition, particularly for initial frequency acquisition, pursuant to a known synchronization sequence for synchronizing a mobile communications device having a local oscillator with previously known transmit frequencies of a base station that transmit in a known channel raster with defined frequency points within a band, wherein the method includes the steps of determining the inband power of the known synchronization sequence via a sensor by scanning a frequency band, performing coarse determination of the local power maximum of the inband power and, thus, of the received carrier frequency over the scanned frequency band, producing a presumed channel frequency at which the base station is transmitting on the basis of knowledge of the channel raster of the transmit frequencies of the base station, performing fine determination of the received carrier frequency by comparison with the known synchronization sequence, and correcting the frequency deviation of the local oscillator from the transmitted carrier frequency.
    • 提供了一种用于频率获取的方法,特别是用于初始频率采集的已知同步序列,用于使具有本地振荡器的移动通信设备与先前已知的在已知信道光栅中以定义的频率点发射的基站的发射频率同步 在频带内,其中所述方法包括以下步骤:通过扫描频带,经由传感器确定已知同步序列的带内功率,执行所述带内功率的本地功率最大值的粗略确定,并且因此执行所接收的载波频率 在扫描的频带上,基于基站的基站的发射频率的信道光栅的知识产生基站正在发送的假定信道频率,通过与已知同步的比较来执行接收的载波频率的精细确定 序列,并校正频率偏差 本地振荡器从发射载波频率。