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    • 2. 发明授权
    • Arithmetic logic unit and method for numerical computations in Galois
fields
    • 伽罗瓦域数值计算的算术逻辑单元和方法
    • US6101520A
    • 2000-08-08
    • US63635
    • 1998-04-20
    • Steven LanDavid H. MillerRichard W. Koralek
    • Steven LanDavid H. MillerRichard W. Koralek
    • G06F7/72G06F7/00
    • G06F7/724
    • An integrated circuit for error correction takes advantage of a novel data representation ("tower representation") for a selected finite Galois field. Using this representation, novel circuits which utilize the hierarchical structures in the subfields of the selected finite Galois field can be constructed. In one embodiment, GF(256) multipliers, GF(256) multiplicative inverse circuits, GF(256) logarithm circuits can be constructed out of GF(16) multipliers, GF(16) multiplicative inverse circuits and other GF(16) components. These GF(16) components, in turn, can be constructed from still simpler GF(4) components. In that embodiment, a user-programmable burstlimiter is provided. In that embodiment also, a novel quadratic equation solver is provided.
    • 用于纠错的集成电路利用了用于所选择的有限伽罗瓦域的新颖数据表示(“塔架表示”)。 使用这种表示,可以构建利用选定的有限伽罗瓦域的子场中的层次结构的新颖电路。 在一个实施例中,GF(256)乘法器,GF(256)乘法逆电路,GF(256)对数电路可以由GF(16)乘法器,GF(16)乘法反向电路和其他GF(16)分量构成。 这些GF(16)组件又可以由更简单的GF(4)组件构成。 在该实施例中,提供了用户可编程突发限幅器。 在该实施例中,还提供了一种新的二次方程求解器。
    • 3. 发明授权
    • System and method for encoding and decoding data using numerical
computations in galois fields
    • 使用Galois域中的数值计算对数据进行编码和解码的系统和方法
    • US5787099A
    • 1998-07-28
    • US542277
    • 1995-10-12
    • Steven LanDavid H. MillerRichard W. Koralek
    • Steven LanDavid H. MillerRichard W. Koralek
    • H03M13/15H03M13/00
    • H03M13/151
    • An integrated circuit for error correction takes advantage of a novel data representation ("tower representation") for a selected finite Galois field. Using this representation, novel circuits which utilize the hierarchical structures in the subfields of the selected finite Galois field can be constructed. In one embodiment, GF(256) multipliers, GF(256) multiplicative inverse circuits, GF(256) logarithm circuits can be constructed out of GF(16) multipliers, GF(16) multiplicative inverse circuits and other GF(16) components. These GF(16) components, in turn, can be constructed from still simpler GF(4) components. In that embodiment, a user-programmable burstlimiter is provided. In that embodiment also, a novel quadratic equation solver is provided.
    • 用于纠错的集成电路利用了用于所选择的有限伽罗瓦域的新颖数据表示(“塔架表示”)。 使用这种表示,可以构建利用选定的有限伽罗瓦域的子场中的层次结构的新颖电路。 在一个实施例中,GF(256)乘法器,GF(256)乘法逆电路,GF(256)对数电路可以由GF(16)乘法器,GF(16)乘法反向电路和其他GF(16)分量构成。 这些GF(16)组件又可以由更简单的GF(4)组件构成。 在该实施例中,提供了用户可编程突发限幅器。 在该实施例中,还提供了一种新的二次方程求解器。
    • 4. 发明授权
    • Arithmetic logic unit and method for numerical computations in galois
fields
    • 用于数值计算的算术逻辑单元和方法
    • US5812438A
    • 1998-09-22
    • US542262
    • 1995-10-12
    • Steven LanDavid H. MillerRichard W. Koralek
    • Steven LanDavid H. MillerRichard W. Koralek
    • G06F7/72
    • G06F7/724
    • An integrated circuit for error correction takes advantage of a novel data representation ("tower representation") for a selected finite Galois field. Using this representation, novel circuits which utilize the hierarchical structures in the subfields of the selected finite Galois field can be constructed. In one embodiment, GF(256) multipliers, GF(256) multiplicative inverse circuits, GF(256) logarithm circuits can be constructed out of GF(16) multipliers, GF(16) multiplicative inverse circuits and other GF(16) components. These GF(16) components, in turn, can be constructed from still simpler GF(4) components. In that embodiment, a user-programmable burstlimiter is provided. In that embodiment also, a novel quadratic equation solver is provided.
    • 用于纠错的集成电路利用了用于所选择的有限伽罗瓦域的新颖数据表示(“塔架表示”)。 使用这种表示,可以构建利用选定的有限伽罗瓦域的子场中的层次结构的新颖电路。 在一个实施例中,GF(256)乘法器,GF(256)乘法逆电路,GF(256)对数电路可以由GF(16)乘法器,GF(16)乘法反向电路和其他GF(16)分量构成。 这些GF(16)组件又可以由更简单的GF(4)组件构成。 在该实施例中,提供了用户可编程突发限幅器。 在该实施例中,还提供了一种新的二次方程求解器。