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    • 61. 发明授权
    • Method and system for accessing ports of a fixed-size cell switch
    • 用于访问固定大小小区交换机端口的方法和系统
    • US06584124B1
    • 2003-06-24
    • US09304680
    • 1999-05-04
    • Alain BlancRene Glaise
    • Alain BlancRene Glaise
    • H04J314
    • H04L49/3081H04L7/048H04L12/5601H04L49/1553H04L2007/045H04L2012/5674
    • The invention provides a method and system for accessing ports of a very high-speed, fixed-size cell switch fabric. It is aimed at permitting a tradeoff between the overall number of I/Os required to access all the switch ports, that must stay within the board and modules packaging constraints and the maximum speed at which each individual wire, making up ports, may be toggled while not violating any of the speed limitation imposed by the transmission medium (board wiring) or the module interface devices; i.e., receivers and drivers. This is achieved by eliminating the need of having extra control signals, thus, greatly easing the requirement for module and board I/Os. Then, synchronization is obtained from in-band information transported by fixed-size idle logical units from a robust protocol based on two CRCs. The acquisition of synchronization does not require any particular training sequence and is conducted by the receiving device component only which retrieves computed delimiters on which it locks. The method does not assume any overhead and is obtained from the extra bandwidth available while no minimum is ever required after synchronization has been acquired.
    • 本发明提供一种用于访问非常高速,固定大小小区交换结构的端口的方法和系统。 它旨在允许访问所有交换机端口所需的I / O总数之间的权衡,这些权限必须停留在电路板和模块封装约束之内,并且组成端口的每个单独电线的最大速度可能会被切换 同时不违反传输介质(电路板接线)或模块接口设备施加的速度限制; 即接收器和驱动器。 这是通过消除对额外的控制信号的需要而实现的,从而大大减轻了模块和板I / O的需求。 然后,从基于两个CRC的稳健协议的固定大小的空闲逻辑单元传送的带内信息中获得同步。 获取同步不需要任何特定的训练序列,仅由接收设备组件执行,检索其锁定的计算分隔符。 该方法不承担任何开销,并且可以从可用的额外带宽获得,而在获取同步之后不需要最小值。
    • 68. 发明授权
    • Optimizing high speed signal transmission
    • 优化高速信号传输
    • US07668672B2
    • 2010-02-23
    • US11764453
    • 2007-06-18
    • Alain BlancPatrick Jeanniot
    • Alain BlancPatrick Jeanniot
    • G01R13/00H04B17/00
    • H04L25/03343H04L1/0001H04L1/20H04L7/0337H04L2025/03375
    • A method and systems for automatically adjusting the parameters of signal emitter in a synchronous high-speed transmission system, is disclosed. According to the method of the invention, the quality of a high-speed received signal is analyzed for a plurality of sets of parameter values and the one producing the best signal quality is selected. In a first embodiment, the quality of the high-speed received signal is determined by analyzing a digital eye characterizing the signal behavior, obtained by over-sampling the high-speed received signal. In a second embodiment, the quality of the high-speed received signal is determined by analyzing the behavior of the phase rotator used for data sampling. Finally, in a third embodiment, the quality of the high-speed received signal is determined by analyzing a digital eye, obtained by moving the position of a phase rotator from one end to the other and sampling data at each position.
    • 公开了一种在同步高速传输系统中自动调整信号发射器参数的方法和系统。 根据本发明的方法,对多组参数值分析高速接收信号的质量,并选择产生最佳信号质量的参数值。 在第一实施例中,通过分析表征由高速接收信号过采样得到的信号行为的数字眼来确定高速接收信号的质量。 在第二实施例中,通过分析用于数据采样的相位旋转器的行为来确定高速接收信号的质量。 最后,在第三实施例中,通过分析通过将相位旋转器的位置从一端移动到另一端而获得的数字眼,并且在每个位置处采样数据来确定高速接收信号的质量。
    • 69. 发明授权
    • Method and systems for analyzing the quality of high-speed signals
    • 分析高速信号质量的方法和系统
    • US07477685B2
    • 2009-01-13
    • US11774572
    • 2007-07-07
    • Alain BlancPatrick Jeanniot
    • Alain BlancPatrick Jeanniot
    • H04B3/46H04Q1/20
    • H04L1/20
    • Methods and systems for analyzing the quality of high-speed signals are provided, wherein a high speed signal is sampled simultaneously a plurality of times during a sampling clock period at each of a plurality of phase rotator positions to generate a plurality of partial values, wherein subset pluralities of the partial values are associated to phase rotator positions. The partial values are combined into a global value which is analyzed to determine a quality of the high speed signal. Phase rotator behavior may also be analyzed to determine signal quality. A best position to lock a phase rotator when determining signal quality may be determined from a graphic characterization of a phase rotator position distribution.
    • 提供了用于分析高速信号质量的方法和系统,其中在多个相位旋转器位置中的每个相位旋转器位置处的采样时钟周期期间,高速信号被同时多次采样以产生多个部分值,其中 子集多个部分值与相位旋转器位置相关联。 将部分值组合成全局值,该值被分析以确定高速信号的质量。 也可以分析相位旋转器行为以确定信号质量。 确定信号质量时锁定相位旋转器的最佳位置可以从相位旋转器位置分布的图形表征来确定。