Receiver with adaptive strobe offset adjustment
    1.
    发明授权
    Receiver with adaptive strobe offset adjustment 有权
    接收机具有自适应选通偏移调整

    公开(公告)号:US07940874B2

    公开(公告)日:2011-05-10

    申请号:US11913211

    申请日:2006-04-25

    IPC分类号: H04L7/00

    CPC分类号: H04L7/048 H04L7/0337

    摘要: Receiver for receiving a data stream via a data bus, which receiver samples the bits of the data stream in an over-sampling process, in which n bit strobe offsets are used and n data sets with i bits are sampled,—applies a decision criterion for identifying those data sets with correct bit values. This decision uses checksum CRC,—selects one of the identified data sets with correct bit values and—uses the bit strobe offset, which was used for receiving the selected data streams, for receiving the data stream. In this way the multiphase clock with optimal phase shifts is selected.

    摘要翻译: 用于经由数据总线接收数据流的接收机,哪个接收机在过采样过程中对数据流的比特进行采样,其中使用n比特选通偏移量,并对n比特的n个数据集进行采样, 用于识别具有正确位值的那些数据集。 该决定使用校验和CRC, - 选择具有正确位值的所识别数据集之一,并使用用于接收所选数据流的位选通偏移量来接收数据流。 以这种方式选择具有最佳相移的多相时钟。

    Method for temporal synchronization of clocks
    2.
    发明授权
    Method for temporal synchronization of clocks 有权
    时钟同步时钟的方法

    公开(公告)号:US07418650B2

    公开(公告)日:2008-08-26

    申请号:US10555258

    申请日:2004-04-26

    IPC分类号: G06F11/00

    CPC分类号: H04J3/0655 G06F1/12 H04L7/08

    摘要: In order to carry out in a communication system (1) a temporal synchronization of clocks in a particularly rapid and efficient manner, a method is proposed which has the following steps: acquiring state values which are dependent on a time base (10); filing each acquired state value at a position in a first list L comprising (k+1) positions, if the acquired state value is smaller than or equal to the (k+1) smallest element of the list L, where k is a predefinable error tolerance; filing the acquired state value at a position in a second list H comprising (k+1) positions, if the acquired state value is greater than or equal to the (k+1) greatest element of the list H; forming a mean value from the (k+1) smallest element of the list L and the (k+1) greatest element of the list H, if the number of acquired state values is greater than or equal to (2k+2); determining a correction value as a function of the mean value; and correcting a current state value of the clocks that are to be synchronized.

    摘要翻译: 为了以特别快速和有效的方式在通信系统(1)中执行时钟的时间同步,提出了一种方法,其具有以下步骤:获取取决于时基(10)的状态值; 如果所获取的状态值小于或等于列表L的(k + 1)最小元素,则在包括(k + 1)个位置的第一列表L中的位置处归档每个获取的状态值,其中k是可预定义的 误差容差 如果所获取的状态值大于或等于列表H的(k + 1)个最大元素,则在包括(k + 1)个位置的第二列表H中的位置处归档所获取的状态值; 如果所获取的状态值的数量大于或等于(2k + 2),则从列表L的第(k + 1)个最小元素和列表H的(k + 1)最大元素形成平均值; 确定作为所述平均值的函数的校正值; 并且校正要同步的时钟的当前状态值。

    CLOCK SUPERVISION UNIT
    5.
    发明申请
    CLOCK SUPERVISION UNIT 有权
    时钟监督单位

    公开(公告)号:US20100308868A1

    公开(公告)日:2010-12-09

    申请号:US12675867

    申请日:2008-08-20

    IPC分类号: H03K5/19 H03L7/00

    CPC分类号: G06F11/1604 G06F1/14 H03K5/19

    摘要: The present invention relates to a clock supervision unit (100) and an electronic system clocked by at least one clock (c*) and using the clock supervision unit (100). The clock supervision unit (100) analyzes the at least one clock (c*) based on a monitor clock (m*) provided together with the at least one clock (c*) or separately to the clock supervision unit (100). The clock supervision unit (100) at least comprises an activity unit (210), a deviation unit (220) and an auxiliary clock generator (240). The auxiliary clock generator (240) outputs an auxiliary clock (a*). The activity unit (210) detects the presence of the monitor clock (m*) based on the auxiliary clock (a*) and the presence of the auxiliary clock (a*) based on the monitor clock (m*). The deviation unit (220) detects clock faults in the monitor clock (m*) based on the auxiliary clock (a*). With the clock supervision unit (100) according to the present invention, the at least one clock (c*) can be supervised in more detail and it is possible to react on different clock faults in the at least one clock c* with different error handling procedures, e.g. by initiating a shutdown of the devices controlled by the electronic system.

    摘要翻译: 本发明涉及时钟监控单元(100)和由至少一个时钟(c *)定时并使用时钟监控单元(100)的电子系统。 时钟监视单元(100)基于与至少一个时钟(c *)一起提供的监视时钟(m *)或单独地与时钟监视单元(100)分析至少一个时钟(c *)。 时钟监控单元(100)至少包括活动单元(210),偏差单元(220)和辅助时钟发生器(240)。 辅助时钟发生器(240)输出辅助时钟(a *)。 活动单元(210)基于辅助时钟(a *)和基于监视时钟(m *)的辅助时钟(a *)的存在来检测监视时钟(m *)的存在。 偏差单元(220)基于辅助时钟(a *)检测监视时钟(m *)中的时钟故障。 利用根据本发明的时钟监视单元(100),可以更详细地监视至少一个时钟(c *),并且可以对具有不同错误的至少一个时钟c *中的不同时钟故障作出反应 处理程序,例如 通过启动由电子系统控制的设备的关闭。

    System and method providing fault detection capability
    6.
    发明授权
    System and method providing fault detection capability 有权
    提供故障检测能力的系统和方法

    公开(公告)号:US08423835B2

    公开(公告)日:2013-04-16

    申请号:US12673175

    申请日:2008-08-07

    IPC分类号: G06F11/00

    摘要: A system and method for providing fault detection capability is provided which comprises a first node (2). The first node (2) comprises a first processing subsystem (5) generating data (14) to be transmitted. The first node (2) has a fault supervisor unit (13) adapted to gather and process fault indications arising in the first node (2). The first processing subsystem (5) and the fault supervisor unit are both integrated in the first node (2). The first node (2) is structured such that, when no fault indications are detected by the fault supervisor unit (13), the fault supervisor unit (13) provides a first key (15) as a validity key, and, when at least one fault indication is detected by the fault supervisor unit (13), the fault supervisor unit (13) provides a second key (16) as the validity key, and the data (14) to be transmitted are encrypted by overlaying the respective validity key (15; 16) on the data.

    摘要翻译: 提供了一种用于提供故障检测能力的系统和方法,其包括第一节点(2)。 第一节点(2)包括产生要发送的数据(14)的第一处理子系统(5)。 第一节点(2)具有适于收集和处理在第一节点(2)中出现的故障指示的故障监督单元(13)。 第一个处理子系统(5)和故障监督单元都集成在第一个节点(2)中。 第一节点(2)被构造成使得当故障监督单元(13)没有检测到故障指示时,故障监督单元(13)提供第一密钥(15)作为有效性密钥,并且至少当至少 一个故障指示由故障监督单元(13)检测到,故障监督单元(13)提供第二个密钥(16)作为有效性密钥,并且通过覆盖相应的有效性密钥来加密要发送的数据(14) (15; 16)上的数据。

    Network comprising a plurality of network nodes for media access checks
    7.
    发明授权
    Network comprising a plurality of network nodes for media access checks 有权
    网络包括用于媒体访问检查的多个网络节点

    公开(公告)号:US06996115B1

    公开(公告)日:2006-02-07

    申请号:US09868376

    申请日:2000-10-10

    IPC分类号: H04L12/56

    摘要: The invention relates to a network comprising a plurality of intercoupled network nodes. Controlled by a bus guardian the network nodes transmit messages during a respectively assigned time slot and receive messages from other network nodes outside this time slot. Each network node comprises a test signal generator which delivers a test signal outside the respectively assigned time slot, and includes a test signal detector which detects outside the respective time slot, after receiving a test signal from at least another network node, that there is a defective circuit portion in the assigned network node and/or in at least another network node.

    摘要翻译: 本发明涉及一种包括多个互耦网络节点的网络。 由总线监控器控制,网络节点在分配的时隙期间发送消息,并从该时隙之外的其他网络节点接收消息。 每个网络节点包括测试信号发生器,其在相应分配的时隙之外传送测试信号,并且包括测试信号检测器,其在从至少另一个网络节点接收到测试信号之后,在相应时隙之外检测到存在 分配的网络节点和/或至少另一个网络节点中的有缺陷的电路部分。

    SYSTEM AND METHOD PROVIDING FAULT DETECTION CAPABILITY
    8.
    发明申请
    SYSTEM AND METHOD PROVIDING FAULT DETECTION CAPABILITY 有权
    提供故障检测能力的系统和方法

    公开(公告)号:US20110191659A1

    公开(公告)日:2011-08-04

    申请号:US12673175

    申请日:2008-08-01

    IPC分类号: G06F11/07 H03M13/09 G06F11/10

    摘要: A system and method for providing fault detection capability is provided which comprises a first node (2). The first node (2) comprises a first processing subsystem (5) generating data (14) to be transmitted. The first node (2) has a fault supervisor unit (13) adapted to gather and process fault indications arising in the first node (2). The first processing subsystem (5) and the fault supervisor unit are both integrated in the first node (2). The first node (2) is structured such that, when no fault indications are detected by the fault supervisor unit (13), the fault supervisor unit (13) provides a first key (15) as a validity key, and, when at least one fault indication is detected by the fault supervisor unit (13), the fault supervisor unit (13) provides a second key (16) as the validity key, and the data (14) to be transmitted are encrypted by overlaying the respective validity key (15; 16) on the data.

    摘要翻译: 提供了一种用于提供故障检测能力的系统和方法,其包括第一节点(2)。 第一节点(2)包括产生要发送的数据(14)的第一处理子系统(5)。 第一节点(2)具有适于收集和处理在第一节点(2)中出现的故障指示的故障监督单元(13)。 第一个处理子系统(5)和故障监督单元都集成在第一个节点(2)中。 第一节点(2)被构造成使得当故障监督单元(13)没有检测到故障指示时,故障监督单元(13)提供第一密钥(15)作为有效性密钥,并且至少当至少 一个故障指示由故障监督单元(13)检测到,故障监督单元(13)提供第二个密钥(16)作为有效性密钥,并且通过覆盖相应的有效性密钥来加密要发送的数据(14) (15; 16)上的数据。

    DISTRIBUTED COMMUNICATION SYSTEM AND CORRESPONDING COMMUNICATION METHOD
    9.
    发明申请
    DISTRIBUTED COMMUNICATION SYSTEM AND CORRESPONDING COMMUNICATION METHOD 审中-公开
    分布式通信系统和相应的通信方法

    公开(公告)号:US20090290485A1

    公开(公告)日:2009-11-26

    申请号:US12307794

    申请日:2007-07-09

    IPC分类号: H04L12/26

    摘要: In order to further develop a communication system (400) as well as a corresponding communication method in such way that a protection of the communication medium (300, 310) from timing failures of a communication controller (120) of a node (100), in particular a limited protection of the communication channel (300, 310) from illegal transmissions in the time domain, can be achieved without providing any bus guardian, it is proposed to prevent any transmission of the node (100) during phases with high susceptibility to illegal transmission, in particular during the communication startup of the communication system (400).

    摘要翻译: 为了进一步开发通信系统(400)以及相应的通信方法,使得通信介质(300,310)的保护免于节点(100)的通信控制器(120)的定时故障, 特别是可以在不提供任何总线监控的情况下实现对通信信道(300,310)的非法传输的有限保护,因此建议在高敏感度的阶段期间防止节点(100)的任何传输 特别是在通信系统(400)的通信启动期间非法传输。

    Communication network and method of controlling the communication network
    10.
    发明申请
    Communication network and method of controlling the communication network 有权
    通信网络和控制通信网络的方法

    公开(公告)号:US20070041482A1

    公开(公告)日:2007-02-22

    申请号:US10555833

    申请日:2004-05-04

    IPC分类号: H04L7/00

    摘要: The invention relates to a communication network with at least two network nodes, with transmission channels for transmitting data packets between the network nodes, and with at least one active coupler. The invention provides for coupler information to be attached to the data packets as they pass through the active coupler, and data-packet running-time information to be determined from the coupler information in a network node that receives a data packet.

    摘要翻译: 本发明涉及具有至少两个网络节点的通信网络,具有用于在网络节点之间传输数据分组的传输信道以及与至少一个有源耦合器。 本发明提供了在通过有源耦合器时要附着到数据分组的耦合器信息,以及要从接收数据分组的网络节点中的耦合器信息确定的数据分组运行时信息。