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    • 1. 发明申请
    • METHOD AND EQUIPMENT FOR SHAPING TRANSMISSION SPEED OF DATA TRAFFIC FLOW
    • 用于形成数据流量流量传输速度的方法和设备
    • US20090262645A1
    • 2009-10-22
    • US12427938
    • 2009-04-22
    • Mikko LAULAINEN
    • Mikko LAULAINEN
    • H04L12/26
    • H04L47/10H04L47/20H04L47/22H04L47/2416H04L47/2441H04L47/283
    • A method and apparatus for monitoring and limiting the transmission speed of a data traffic flow in a situation where the traffic flow also includes delay-critical traffic. With the sending of each protocol data unit it is determined whether the sending of the next protocol data unit should be delayed in order to meet a condition set on the transmission speed. It is also determined whether the transfer speed of delay-critical traffic meets a preset condition. If the transfer speed meets the condition, delay-critical protocol data units will not be delayed but if the condition is not met, delay-critical protocol data units will be delayed just like non-delay-critical protocol data units. Thus the transfer speed of non-delay-critical traffic adapts to variations in the transfer speed of delay-critical traffic and, furthermore, the transmission speed of the traffic flow can be monitored and limited.
    • 在业务流还包括延迟关键业务的情况下,监视和限制数据业务流的传输速度的方法和装置。 通过发送每个协议数据单元,确定是否应该延迟下一个协议数据单元的发送以满足在传输速度上设置的条件。 还确定延迟关键业务的传输速度是否满足预设条件。 如果传输速度满足条件,延迟关键的协议数据单元将不会被延迟,但是如果不满足条件,延迟关键协议数据单元将像非延迟关键协议数据单元一样被延迟。 因此,非延迟关键业务的传输速度适应延迟关键业务的传输速度的变化,此外,可以监测和限制业务流的传输速度。
    • 2. 发明申请
    • METHOD AND A DEVICE FOR CONTROLLING FREQUENCY SYNCHRONIZATION
    • 用于控制频率同步的方法和装置
    • US20120254677A1
    • 2012-10-04
    • US13422333
    • 2012-03-16
    • Kenneth HANNMikko LAULAINEN
    • Kenneth HANNMikko LAULAINEN
    • G06F11/16
    • H04L7/033H03L7/08
    • A device for controlling frequency synchronization includes a processor (101) for controlling a phase-controlled clock signal to achieve phase-locking between the phase-controlled clock signal and a reference clock signal, and for controlling a frequency-controlled clock signal so as to achieve frequency-locking between the frequency-controlled clock signal and the reference clock signal. The processor is also configured to monitor a deviation between the frequency- and phase-controlled clock signals, detect a change of circumstances such as temperature changes causing frequency drifting of the frequency-controlled clock signal, and replace or correct the frequency-controlled clock signal with or on the basis of the phase-controlled clock signal when both the monitored deviation and the detected change of circumstances show correlation confirming frequency drift of the frequency-controlled clock signal. Thus, the phase-controlled clock signal together with the information about possible changes in the circumstances is used for improving the quality of the frequency-controlled clock signal.
    • 一种用于控制频率同步的装置包括:处理器(101),用于控制相位控制的时钟信号,以实现相位控制的时钟信号和参考时钟信号之间的相位锁定,并且用于控制频率控制的时钟信号,以便 实现频率控制时钟信号与参考时钟信号之间的频率锁定。 处理器还被配置为监视频率和相位控制的时钟信号之间的偏差,检测诸如导致频率控制的时钟信号的频率漂移的温度变化的情况的变化,并且更换或校正频率控制的时钟信号 当监视的偏差和检测到的环境变化都显示相关确认频率控制的时钟信号的频率漂移时,基于或基于相位控制的时钟信号。 因此,相位控制时钟信号连同关于环境可能变化的信息被用于提高频率控制的时钟信号的质量。
    • 4. 发明申请
    • METHOD AND EQUIPMENT FOR MEASUREMENTS
    • 测量方法和设备
    • US20090296795A1
    • 2009-12-03
    • US12475985
    • 2009-06-01
    • Jonas LINDQVISTKenneth HANNHeikki LAAMANENMikko LAULAINEN
    • Jonas LINDQVISTKenneth HANNHeikki LAAMANENMikko LAULAINEN
    • H04B17/00
    • H04L43/0852H04J3/0667H04L43/50
    • The invention relates to determining a quantity to be measured from a communication system, such as a transmission delay or the phase difference of clock times. Measurement messages are transmitted (501, 502) between the two areas of the communication system in both transmission directions. Values of the time difference are calculated (503) for the measurement messages transmitted in at least one of the transmission directions, each of which values is the difference between the instant of reception measured at the reception and the instant of transmission measured at the transmission of the measurement message. The values of the time difference are used to calculate (504) an estimate of the distribution of the time difference, on the basis of which an estimate of the minimum value of the time difference is calculated (504).
    • 本发明涉及从通信系统确定要测量的数量,例如传输延迟或时钟时间的相位差。 测量消息在两个传输方向上在通信系统的两个区域之间传送(501,502)。 对于在至少一个发送方向上发送的测量消息,计算时差的值(503),其中每个传输方向的值是接收时测量的接收时刻与发送时测量的发送时刻之间的差 测量消息。 使用时差的值来计算(504)时间差分布的估计,基于该时间差的最小值的估计(504)。
    • 5. 发明申请
    • METHOD AND A DEVICE FOR CONTROLLING FREQUENCY SYNCHRONIZATION
    • 用于控制频率同步的方法和装置
    • US20120300889A1
    • 2012-11-29
    • US13477399
    • 2012-05-22
    • Kenneth HANNMikko LAULAINEN
    • Kenneth HANNMikko LAULAINEN
    • H04L7/04
    • H04J3/0664H03L7/08
    • A device for controlling frequency synchronization includes a processor for controlling a frequency-controlled clock signal on the basis of received timing messages so as to achieve frequency-locking between the frequency-controlled clock signal and a reference clock signal. For the purpose of finding such timing messages which have experienced similar transfer delays and thus are suitable for the frequency control, the processor is configured to control a phase-controlled clock signal on the basis of the timing messages so as to achieve phase-locking between the phase-controlled clock signal and the reference clock signal, and to select the timing messages to be used for the frequency control on the basis of phase-error indicators related to the phase control. Thus, the phase-controlled clock signal is an auxiliary clock signal that is utilized for performing the frequency control.
    • 用于控制频率同步的装置包括:处理器,用于基于接收到的定时消息来控制频率控制的时钟信号,以便实现频率控制的时钟信号和参考时钟信号之间的频率锁定。 为了找到已经经历类似的传输延迟并因此适合于频率控制的定时消息,处理器被配置为基于定时消息来控制相位控制的时钟信号,以便实现相位锁定 相位控制时钟信号和参考时钟信号,并且基于与相位控制相关的相位误差指示来选择要用于频率控制的定时消息。 因此,相位控制时钟信号是用于执行频率控制的辅助时钟信号。
    • 6. 发明申请
    • METHOD AND A DEVICE FOR CONTROLLING A CLOCK SIGNAL GENERATOR
    • 用于控制时钟信号发生器的方法和装置
    • US20120239962A1
    • 2012-09-20
    • US13419478
    • 2012-03-14
    • Kenneth HANNMikko LAULAINENHeikki LAAMANENJonas LUNDQVIST
    • Kenneth HANNMikko LAULAINENHeikki LAAMANENJonas LUNDQVIST
    • G06F1/10
    • H04J3/0664H04L7/08
    • A device for controlling a clock signal generator includes a processor (101) for forming at least two mutually different control quantities on the basis of reception moments of timing messages such as time stamps, where the reception moments are expressed as time values based on a first clock signal and the timing messages are transmitted in accordance with a second clock signal. The processor also calculates a weighted sum of the control quantities, and controls the clock signal generator with the weighted sum so as to synchronize the first clock signal and the second clock signal. The control quantities may represent, for example, a filtered value of observed phase-errors, a phase-error corresponding to a minimum observed transfer delay, and phase-errors corresponding to a given portion of the delay distribution. Using the weighted sum of the mutually different control quantities improves the utilization of the information content of the timing messages.
    • 用于控制时钟信号发生器的装置包括:处理器(101),用于基于诸如时间戳的定时消息的接收时刻形成至少两个相互不同的控制量,其中接收时刻表示为基于第一 时钟信号和定时消息根据第二时钟信号发送。 处理器还计算控制量的加权和,并且以加权和控制时钟信号发生器,以使第一时钟信号和第二时钟信号同步。 控制量可以表示例如观察到的相位误差的滤波值,对应于最小观察到的传输延迟的相位误差,以及对应于延迟分布的给定部分的相位误差。 使用相互不同的控制量的加权和提高了定时消息的信息内容的利用率。
    • 7. 发明申请
    • METHOD, SYSTEM AND INSTALLATION FOR FORWARDING DATA TRANSMISSION FRAMES
    • 用于转发数据传输框架的方法,系统和安装
    • US20100177702A1
    • 2010-07-15
    • US12687403
    • 2010-01-14
    • Juha-Petteri NIEMINENMika SILVOLAMikko LAULAINEN
    • Juha-Petteri NIEMINENMika SILVOLAMikko LAULAINEN
    • H04W40/00
    • H04L12/42
    • In a system, the functionality is decentralized in a data transmission network so that the need of communications produced by and addressed to data terminals to pass by way of a single point in the data transmission network is diminished. A first data transmission installation is adapted to signal second data transmission installations, each of which is part of a ring-shaped data transmission topology, to be capable of building logical data transmission tunnels directed to the data terminals. Thereby, all the logical data transmission tunnels need not commence or, depending on the direction, terminate at the same point of a data transmission network. In addition, the data transmission installations present in a ring-shaped data transmission topology need not necessarily be taught routing information in order to enable each of these data transmission installations to send data transmission frames to be transmitted to another one of these data transmission installations.
    • 在系统中,功能在数据传输网络中是分散的,从而减少了数据终端通过数据传输网络中的单个点传送并传送给数据终端的通信需求。 第一数据传输装置适于发送第二数据传输装置,每个第二数据传输装置都是环形数据传输拓扑的一部分,以便构建指向数据终端的逻辑数据传输隧道。 因此,所有逻辑数据传输隧道不需要开始,或者取决于方向,终止于数据传输网络的同一点。 此外,以环形数据传输拓扑结构中存在的数据传输设备不需要被教导路由信息,以便使这些数据传输设备中的每一个发送要发送到这些数据传输设备中的另一个的数据传输帧。
    • 8. 发明申请
    • METHOD AND ARRANGEMENT FOR TRANSFERRING A TIME OF DAY VALUE BETWEEN NETWORK ELEMENTS
    • 传输网络元素之间的时间值的方法和布置
    • US20090109954A1
    • 2009-04-30
    • US12254361
    • 2008-10-20
    • Mikko LAULAINENKenneth HANN
    • Mikko LAULAINENKenneth HANN
    • H04J3/06
    • G04G7/00H04J3/0658H04J3/0667H04W56/0035H04W56/0055
    • The invention relates to transferring of a time of day value between network elements of a data transfer network. It has been surprisingly detected that the phase reference signals available to various network elements can be utilized in the synchronization of time of day values between these network elements. In the solution according to the invention, a first network element sends to a second network element a difference variable (401, 402, 403) that indicates how much the timing phase of the time of day value maintained in the first network element differs from the timing phase of the phase reference signal available to the first network element. In the second network element that receives the message, an estimate of the time of day value is formed (404, 405) based on the difference variable and the timing phase of the phase reference signal available to the second network element.
    • 本发明涉及在数据传送网络的网元之间传送时间值。 惊奇地发现,可以在各种网络元件之间的时间值的同步中使用可用于各种网络元件的相位参考信号。 在根据本发明的解决方案中,第一网络元件向第二网络元件发送一个差异变量(401,402,403),该差异变量指示在第一网元中保持的时间值的定时相位与 相位参考信号的定时相位可用于第一网络元件。 在接收到该消息的第二网元中,基于第二网元可用的差分变量和相位参考信号的定时相位,形成时间值估计(404,405)。