Block interleaver method and system
    2.
    发明授权
    Block interleaver method and system 失效
    块交织器方法和系统

    公开(公告)号:US06934901B2

    公开(公告)日:2005-08-23

    申请号:US10000341

    申请日:2001-12-04

    申请人: Amit Dagan Ofir Avni

    发明人: Amit Dagan Ofir Avni

    IPC分类号: G06F11/00

    摘要: A method and system for interleaving blocks of data. The method includes partitioning an input bitstream into multiple bitstreams, interleaving the multiple bitstreams into a single bitstream, partitioning the single bitstream into multiple different bitstreams, and shuffling the bits of the different bitstreams. Exemplary applications include the IEEE 802.11a standard interleaver stage.

    摘要翻译: 一种交织数据块的方法和系统。 该方法包括将输入比特流划分为多个比特流,将多个比特流交织为单个比特流,将单个比特流分成多个不同比特流,以及混洗不同比特流的比特。 示例性应用包括IEEE 802.11a标准交织器级。

    De-interleaver method and system
    6.
    发明授权
    De-interleaver method and system 有权
    去交织器方法和系统

    公开(公告)号:US07433429B2

    公开(公告)日:2008-10-07

    申请号:US10199663

    申请日:2002-07-19

    申请人: Amit Dagan

    发明人: Amit Dagan

    IPC分类号: H04L27/06 H04L5/12 G06F12/00

    CPC分类号: H03M13/276

    摘要: In one embodiment, interleaved signals in a receiver are accessed by memory pointers and delivered to data stream locations without the need to transfer data to an intermediate physical buffer.

    摘要翻译: 在一个实施例中,接收机中的交错信号由存储器指针访问并被传送到数据流位置,而不需要将数据传送到中间物理缓冲器。

    Fast-software-implemented pseudo-random code generator
    7.
    发明授权
    Fast-software-implemented pseudo-random code generator 有权
    快速软件实现的伪随机码发生器

    公开(公告)号:US07412057B2

    公开(公告)日:2008-08-12

    申请号:US10158002

    申请日:2002-05-31

    IPC分类号: H04L9/22 G06F1/03

    摘要: Embodiments of the present invention provide a fast, software-implemented data scrambling system for data communications. For pseudo-random codes that are periodic within a predetermined number of bits, a memory array may be populated with segments of the code, one entry in the array starting at a unique bit position within the code. During data scrambling, a seed code may be used to identify a first entry from the array that should be used for scrambling. Thereafter, subsequent segments may be retrieved by traversing the array in a regular fashion. By calculating the code before use and by populating the array prior to processing of any source data, the system is very fast.

    摘要翻译: 本发明的实施例提供了用于数据通信的快速的软件实现的数据加扰系统。 对于在预定数量的位内是周期性的伪随机码,存储器阵列可以用代码的段填充,阵列中的一个条目从代码内的唯一位位置开始。 在数据加扰期间,种子码可用于识别阵列中应用于加扰的第一条目。 此后,可以通过以规则方式遍历阵列来检索后续段。 通过在使用之前计算代码并在处理任何源数据之前填充数组,系统非常快。