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    • 2. 发明授权
    • Server pool for clustered system
    • 群集系统的服务器池
    • US06412079B1
    • 2002-06-25
    • US09169838
    • 1998-10-09
    • Paul EdmondsYi ZhangChang XuPriyen DoshiStephen CoMichael P. TelAndy Chan
    • Paul EdmondsYi ZhangChang XuPriyen DoshiStephen CoMichael P. TelAndy Chan
    • H02H305
    • H04L12/2898G06F11/2007H04L12/2856H04L29/06H04L67/1002H04L67/1034H04L2029/06054
    • A computer system includes a plurality of interdependent processors for operating a common set of applications. Each interdependent processor executes an independent operating system image without sharing file system state information. Each interdependent processor has a network access card with a first network connection and a second network connection. The computer system includes a first active backplane coupled to each first network connection of each processor; a second active backplane coupled to each second network connection of each processor, the second active backplane operating in lieu of the first active backplane in case of a fail-over; and one or more directors coupled to the first and second active backplanes, each of the one or more directors load-balancing requests directed at a plurality of servers.
    • 计算机系统包括用于操作公共应用集合的多个相互依赖的处理器。 每个相互依赖的处理器执行独立的操作系统映像,而不共享文件系统状态信息。 每个相互依赖的处理器具有具有第一网络连接和第二网络连接的网络访问卡。 计算机系统包括耦合到每个处理器的每个第一网络连接的第一有源底板; 耦合到每个处理器的每个第二网络连接的第二有源背板,在故障转移的情况下第二主动背板代替第一有源背板操作; 以及耦合到所述第一和第二活动背板的一个或多个导向器,所述一个或多个导向器中的每一个导向到多个服务器的负载平衡请求。
    • 3. 发明授权
    • Fault tolerant bus for clustered system
    • 集群系统的容错总线
    • US06397345B1
    • 2002-05-28
    • US09169361
    • 1998-10-09
    • Paul EdmondsYi ZhangChang XuPriyen DoshiStephen CoMichael P. TelAndy Chan
    • Paul EdmondsYi ZhangChang XuPriyen DoshiStephen CoMichael P. TelAndy Chan
    • H02H305
    • G06F11/2007G06F11/2005G06F11/2053G06F2201/85H04B1/74
    • A computer system includes a plurality of interdependent processors. Each interdependent processor executes an independent operating system image without sharing file system state information, and each interdependent processor further has a network access card with a first network connection and a second network connection. The computer system has a first active backplane coupled to each first network connection of each processor; a second active backplane coupled to each second network connection of each processor, the second active backplane operating in lieu of the first active backplane in case of a fail-over; and one or more peripherals connected to each of the first and second active backplanes and responsive to data requests transmitted over the first and second active backplanes.
    • 计算机系统包括多个相互依赖的处理器。 每个相互依赖的处理器在不共享文件系统状态信息的情况下执行独立的操作系统映像,并且每个相互依赖的处理器还具有具有第一网络连接和第二网络连接的网络访问卡。 计算机系统具有耦合到每个处理器的每个第一网络连接的第一有源底板; 耦合到每个处理器的每个第二网络连接的第二有源背板,在故障转移的情况下第二主动背板代替第一有源背板操作; 以及连接到第一和第二活动背板中的每一个的一个或多个外围设备,并响应于在第一和第二活动背板上传输的数据请求。
    • 5. 发明申请
    • Encoder system, a decoder system, a coding/decoding apparatus, an encoding method and a decoding method
    • 编码器系统,解码器系统,编码/解码装置,编码方法和解码方法
    • US20050278605A1
    • 2005-12-15
    • US11132862
    • 2005-05-19
    • Chang XuMasayuki Tomisawa
    • Chang XuMasayuki Tomisawa
    • G06F7/00G06F7/08G06F7/24G06F7/36G06F15/00H03M13/00H03M13/23H03M13/29H03M13/41H03M13/45
    • H03M13/3905H03M13/23H03M13/2957H03M13/41H03M13/6516
    • An encoder system for encoding a signal according to any number of FEC and/or channel codes comprises a shift register, an array of MOD/XOR stages, and a generator matrix stage for controlling the connections between the shift register and the MOD/XOR stages and altering these connections according to a coding format selected by an encoder selection stage. There is also disclosed a decoder system for decoding a signal encoded according to a number of FEC and/or channel codes comprising a decoding stage, and a generator matrix stage for configuring the decoding stage to a decoding code format to be applied an incoming encoded signal. A decoder selection stage is coupled to the generator matrix stage and selects the decoding code format to be used in the decoding process. The decoder selection stage instructs the generator matrix stage to configure the decoding stage according to the selected decoding code format. There is also disclosed a method for encoding and decoding.
    • 用于根据任何数量的FEC和/或信道码编码信号的编码器系统包括移位寄存器,MOD / XOR级的阵列和用于控制移位寄存器和MOD / XOR级之间的连接的发生器矩阵级 以及根据由编码器选择级选择的编码格式来改变这些连接。 还公开了一种解码器系统,用于对根据包含解码级的FEC和/或信道码的数量编码的信号进行解码,以及生成矩阵级,用于将解码级配置为应用输入编码信号的解码码格式 。 解码器选择级耦合到发生器矩阵级,并选择要在解码过程中使用的解码码格式。 解码器选择阶段指示发生器矩阵级根据选择的解码码格式配置解码级。 还公开了一种编码和解码方法。
    • 8. 发明申请
    • System and method for determining a modulation angle of an information bit in a complex modulated signal
    • 用于确定复调制信号中的信息位的调制角的系统和方法
    • US20050238121A1
    • 2005-10-27
    • US11089512
    • 2005-03-24
    • Chang XuMasayuki Tomisawa
    • Chang XuMasayuki Tomisawa
    • H04L27/14H04L27/22
    • H04L27/22
    • A system and method for determining a modulation angle of an information bit in a modulated complex signal comprise, in a first stage, determining the inphase component I and the quadrature component Q of the information bit in the modulated complex signal. A division stage determines an absolute ratio of the quadrature component Q to the inphase component I and a second stage determines from the polarity of the inphase and quadrature components the quadrant in which the modulation angle lies. A third stage determines the arctangent of the absolute ratio x of the quadrature component Q to the inphase component I of the transmitted information bit in the modulated signal. A fourth stage determines the modulation angle from the polarity of the inphase and quadrature components and the arctangent of the absolute ratio of the quadrature component Q to the inphase component I of the transmitted information bit in the modulated signal.
    • 用于确定调制复信号中的信息比特的调制角的系统和方法包括在第一阶段中确定调制复信号中的信息比特的同相分量I和正交分量Q。 分割级确定正交分量Q与同相分量I的绝对比,第二级根据调制角所在的象限的同相和正交分量的极性来确定。 第三级确定正交分量Q与调制信号中的发送信息比特的同相分量I的绝对比x的反正切。 第四级根据同相和正交分量的极性以及正交分量Q与调制信号中的发送信息比特的同相分量I的绝对比的反正切来确定调制角。
    • 9. 发明申请
    • Modulation/demodulation apparatus for the encoding and decoding of data and method for encoding and decoding data
    • 用于编码和解码数据的调制/解调装置和用于对数据进行编码和解码的方法
    • US20050190827A1
    • 2005-09-01
    • US11065827
    • 2005-02-25
    • Chang XuMasayuki Tomisawa
    • Chang XuMasayuki Tomisawa
    • H04B1/38H04L27/00
    • H04L27/0008
    • A modulation/demodulation apparatus for the encoding and decoding of data, for example in a Bluetooth/WLAN/PHS multi-mode system based on software defined radio comprises an encoding system to encode data according to a plurality of modulation schemes and a decoding system to decode according to the plurality of modulation schemes the encoded data from the encoding system. The encoding system comprises a number of encoding look-up tables which include encoding data for encoding data according to the plurality of modulation schemes, the encoding data for a plurality of the modulation schemes being identical. Similarly, the decoding system comprises a number of decoding look-up tables for decoding the encoded data received from the encoding system. The decoding look-up tables comprise decoding data for decoding data according to the plurality of modulation schemes, the decoding data for a plurality of the modulation schemes being identical. Also disclosed is a method for encoding/decoding data.
    • 用于数据的编码和解码的调制/解调装置,例如在基于软件定义的无线电的蓝牙/ WLAN / PHS多模式系统中,包括根据多个调制方案对数据进行编码的编码系统和解码系统 根据多个调制方案对来自编码系统的编码数据进行解码。 编码系统包括多个编码查找表,其包括根据多个调制方案的用于编码数据的编码数据,多个调制方案的编码数据相同。 类似地,解码系统包括用于解码从编码系统接收的编码数据的多个解码查找表。 解码查找表包括用于根据多个调制方案解码数据的解码数据,多个调制方案的解码数据相同。 还公开了一种用于对数据进行编码/解码的方法。