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    • 1. 发明授权
    • Expert system
    • 专业系统
    • US08064901B2
    • 2011-11-22
    • US12091968
    • 2006-05-02
    • Benny LennartsonKrister Sundberg
    • Benny LennartsonKrister Sundberg
    • H04W24/00
    • H04W24/04H04B7/08H04B17/17H04B17/318
    • Systems and methods for remotely evaluating antenna installations in a mobile radio communication system, wherein each antenna installation comprises at least one pair of antenna elements arranged for diversity reception. The received signal strength from a plurality of mobile stations is measured at the respective antenna elements of each pair of antenna elements; the signal strength values from each antenna element are compared for each pair of antenna elements; and, a plurality of comparison results are visually presented on a display as a function of both the comparison result and a parameter related to the position of each of the plurality of mobile stations relative to the location of the base station, whereby differences in reception characteristics between antenna elements of each pair can be detected and such pair can be identified for maintenance.
    • 用于在移动无线电通信系统中远程评估天线安装的系统和方法,其中每个天线装置包括被布置用于分集接收的至少一对天线元件。 在每对天线元件的各个天线元件处测量来自多个移动台的接收信号强度; 对于每对天线元件对每个天线元件的信号强度值进行比较; 并且根据比较结果和与多个移动站中的每一个相对于基站的位置有关的参数,在显示器上可视地呈现多个比较结果,由此接收特性的差异 可以检测每对天线元件之间的对,并且可以识别这样的对用于维护。
    • 2. 发明申请
    • Method and a Channel Estimating Arrangement for Performing Channel Estimation
    • 用于执行信道估计的方法和信道估计布置
    • US20110274187A1
    • 2011-11-10
    • US13084470
    • 2011-04-11
    • Jinliang HuangKrister Sundberg
    • Jinliang HuangKrister Sundberg
    • H04L27/00H04B15/00
    • H04L25/022H04L25/0216H04L25/0218
    • The invention relates to a method in a receiving communication node for performing channel estimation on a signal received over a channel from a transmitting communication node. The receiving and transmitting communication nodes are comprised in a radio communications network. The receiving communication node receives the signal from the transmitting communication node, filters the signal by applying matched filter to the received signal in a matched filter process resulting in an estimated channel, transforms the estimated channel from a frequency domain to a discrete cosine transform domain in a discrete cosine transformation process, truncates the transformed estimated channel by applying a sloped window truncation function of an adaptive length onto the transformed estimated channel, wherein the adaptive length in the discrete cosine transform domain is calculated based on channel state information, and transforms the truncated transformed estimated channel from the discrete cosine transform domain to the frequency domain in an inverse discrete cosine transformation process resulting in a channel estimate of the channel estimation.
    • 本发明涉及一种接收通信节点中的方法,用于对从发射通信节点通过信道接收的信号进行信道估计。 接收和发送通信节点包括在无线电通信网络中。 接收通信节点从发送通信节点接收信号,通过在匹配滤波处理中对接收信号应用匹配滤波器对信号进行滤波,产生估计信道,将估计信道从频域变换为离散余弦变换域, 离散余弦变换过程,通过将自适应长度的倾斜窗截断函数应用于经变换的估计信道来截断经变换的估计信道,其中基于信道状态信息计算离散余弦变换域中的自适应长度,并将截断的 在离散余弦变换过程中从离散余弦变换域变换到频域的估计信道,导致信道估计的信道估计。
    • 4. 发明申请
    • Method for Smm Capability Distribution
    • Smm能力分布方法
    • US20080287104A1
    • 2008-11-20
    • US11666444
    • 2004-11-30
    • Krister SundbergLars Klockar
    • Krister SundbergLars Klockar
    • H04Q7/22
    • H04L12/66H04W8/22
    • The invention relates a method for automatically distributing a message comprising Multimedia Service Capability information of a user terminal in a cellular mobile radio telecommunication system supporting simultaneous circuit switched (CS domain) and package switched (PS domain) connections between user terminals The method comprises the step of sending the message comprising multimedia capability information from the user terminal via the circuit switched domain of the cell that the terminal is currently visiting. The invention also relates to a terminal, a system and a computer program product for supporting said method.
    • 本发明涉及一种用于在支持用户终端之间的同时电路交换(CS域)和封装交换(PS域)连接的蜂窝移动无线电电信系统中自动分发包括用户终端的多媒体业务能力信息的消息的方法。该方法包括步骤 经由终端正在访问的小区的电路交换域,从用户终端发送包括多媒体能力信息的消息。 本发明还涉及用于支持所述方法的终端,系统和计算机程序产品。
    • 7. 发明授权
    • Method and a channel estimating arrangement for performing channel estimation
    • 用于执行信道估计的方法和信道估计装置
    • US08711991B2
    • 2014-04-29
    • US13084470
    • 2011-04-11
    • Jinliang HuangKrister Sundberg
    • Jinliang HuangKrister Sundberg
    • H03D1/00
    • H04L25/022H04L25/0216H04L25/0218
    • The invention relates to a method in a receiving communication node for performing channel estimation on a signal received over a channel from a transmitting communication node. The receiving and transmitting communication nodes are comprised in a radio communications network. The receiving communication node receives the signal from the transmitting communication node, filters the signal by applying matched filter to the received signal in a matched filter process resulting in an estimated channel, transforms the estimated channel from a frequency domain to a discrete cosine transform domain in a discrete cosine transformation process, truncates the transformed estimated channel by applying a sloped window truncation function of an adaptive length onto the transformed estimated channel, wherein the adaptive length in the discrete cosine transform domain is calculated based on channel state information, and transforms the truncated transformed estimated channel from the discrete cosine transform domain to the frequency domain in an inverse discrete cosine transformation process resulting in a channel estimate of the channel estimation.
    • 本发明涉及一种接收通信节点中的方法,用于对从发射通信节点通过信道接收的信号进行信道估计。 接收和发送通信节点包括在无线电通信网络中。 接收通信节点从发送通信节点接收信号,通过在匹配滤波处理中对接收信号应用匹配滤波器对信号进行滤波,产生估计信道,将估计信道从频域变换为离散余弦变换域, 离散余弦变换过程,通过将自适应长度的倾斜窗截断函数应用于经变换的估计信道来截断经变换的估计信道,其中基于信道状态信息计算离散余弦变换域中的自适应长度,并将截断的 在离散余弦变换过程中从离散余弦变换域变换到频域的估计信道,导致信道估计的信道估计。