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    • 2. 发明授权
    • Frame boundary detection and synchronization system for data stream received by ethernet forward error correction layer
    • 通过以太网前向纠错层接收的数据流的帧边界检测和同步系统
    • US08667373B2
    • 2014-03-04
    • US12894274
    • 2010-09-30
    • Yin HeYi Fan LinYang LiuHao Yang
    • Yin HeYi Fan LinYang LiuHao Yang
    • H03M13/00
    • H04L1/0047H03M13/159H03M13/33H03M13/333H03M13/6561H04L7/048
    • The present invention discloses a frame boundary detection system and a synchronization system for a data stream received by an Ethernet Forward Error Correction layer. The frame boundary detection system includes a shifter, two descramblers, a syndrome generator and trapper. The error trapper includes a big-little endian mode controller for controlling the big-little endian conversion of the error trapper. If the error trapper operates in the big endian mode, the error trapper implements the function of the syndrome generator, operates at the same time with the syndrome generator, and performs a second FEC check, wherein when the shifter performs the FEC check by intercepting data with a length of one frame plus A bits, two start positions of the frame can be verified, where A is a positive integer less than a length of one frame. The invention can improve the frame boundary detection speed and the frame synchronization speed, and increase only a few hardware overheads.
    • 本发明公开了一种用于由以太网前向纠错层接收的数据流的帧边界检测系统和同步系统。 帧边界检测系统包括移位器,两个解扰器,综合征发生器和捕捉器。 误差捕获器包括一个大小端模式控制器,用于控制误差捕获器的大小端位转换。 如果错误捕获器以大端模式工作,则误差捕获器实现校正子发生器的功能,同时与校正子发生器一起工作,并执行第二个FEC校验,其中当移位器通过拦截数据执行FEC检查 长度为一帧加A位,可以验证帧的两个起始位置,其中A是小于一帧长度的正整数。 本发明可以提高帧边界检测速度和帧同步速度,并且仅增加少量的硬件开销。
    • 3. 发明申请
    • Program-Storing Computer-Readable Storage Medium, Computer Program Product, Navigation Device and Control Method Thereof
    • 程序存储计算机可读存储介质,计算机程序产品,导航设备及其控制方法
    • US20120323484A1
    • 2012-12-20
    • US13178069
    • 2011-07-07
    • Yin-He Zhang
    • Yin-He Zhang
    • G01C21/34G01C21/36
    • G01C21/3697G08G1/096716G08G1/09675G08G1/096775
    • A navigation device includes a processing unit electrically connected to a positioning unit and a communication unit. The positioning unit determines a current location of the navigation device and provides corresponding positioning information. The communication unit receives real-time information. The processing unit uses the real-time information and information about a waypoint as a basis to generate a safety speed range, and uses a navigation route and the positioning information as a basis to determine whether a distance between the navigation device and the waypoint is smaller than a preset distance range. If yes, the processing unit provides a speed limit message based on the safety speed range. A navigation device control method as well as a program-storing computer-readable storage medium and a computer program product enabling implementation of the control method are also disclosed.
    • 导航装置包括电连接到定位单元和通信单元的处理单元。 定位单元确定导航装置的当前位置并提供对应的定位信息。 通信单元接收实时信息。 处理单元使用实时信息和关于航路点的信息作为生成安全速度范围的基础,并且使用导航路线和定位信息作为基础来确定导航装置与航路点之间的距离是否更小 比预设的距离范围。 如果是,则处理单元基于安全速度范围提供限速消息。 还公开了一种导航装置控制方法以及能够实现控制方法的程序存储计算机可读存储介质和计算机程序产品。
    • 5. 发明申请
    • Frame Boundary Detection and Synchronization System for Data Stream Received by Ethernet Forward Error Correction Layer
    • 通过以太网前向纠错层接收的数据流的帧边界检测和同步系统
    • US20110078545A1
    • 2011-03-31
    • US12894274
    • 2010-09-30
    • Yin HeYi Fan LinYang LiuHao Yang
    • Yin HeYi Fan LinYang LiuHao Yang
    • H03M13/15G06F11/10
    • H04L1/0047H03M13/159H03M13/33H03M13/333H03M13/6561H04L7/048
    • The present invention discloses a frame boundary detection system and a synchronization system for a data stream received by an Ethernet Forward Error Correction layer. The frame boundary detection system includes a shifter, two descramblers, a syndrome generator and trapper. The error trapper includes a big-little endian mode controller for controlling the big-little endian conversion of the error trapper. If the error trapper operates in the big endian mode, the error trapper implements the function of the syndrome generator, operates at the same time with the syndrome generator, and performs a second FEC check, wherein when the shifter performs the FEC check by intercepting data with a length of one frame plus A bits, two start positions of the frame can be verified, where A is a positive integer less than a length of one frame. The invention can improve the frame boundary detection speed and the frame synchronization speed, and increase only a few hardware overheads.
    • 本发明公开了一种用于由以太网前向纠错层接收的数据流的帧边界检测系统和同步系统。 帧边界检测系统包括移位器,两个解扰器,综合征发生器和捕捉器。 误差捕获器包括一个大小端模式控制器,用于控制误差捕获器的大小端位转换。 如果错误捕获器以大端模式工作,则误差捕获器实现校正子发生器的功能,同时与校正子发生器一起工作,并执行第二个FEC校验,其中当移位器通过截取数据执行FEC检查 长度为一帧加A位,可以验证帧的两个起始位置,其中A是小于一帧长度的正整数。 本发明可以提高帧边界检测速度和帧同步速度,并且仅增加少量的硬件开销。