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    • 4. 发明公开
    • DE-INTERLEAVING DEVICE AND METHOD, AND DATA TRANSMISSION SYSTEM AND METHOD
    • 全球超大型企业
    • EP2595320A1
    • 2013-05-22
    • EP11806403.9
    • 2011-01-12
    • Panasonic Corporation
    • ISHII, Tatsuji c/o Panasonic Corporation
    • H03M13/27
    • G06F12/0607H03M13/2707H03M13/276H03M13/2764H03M13/2789
    • An input data block having a variable length is, without an additional memory unit, de-interleaved by using a single memory. A de-interleaving device for de-interleaving an input data block interleaved by storing data of an original data block including RxC' portions (C' represents any divisor of R×C) of data in a matrix of R columns × C rows in row-major order and reading the data of the original data block in column-major order includes a memory (11) configured to store R×C portions of data, a write address generator (12) configured to generate write addresses based on a first incremental value, a read address generator (13) configured to generate read addresses other than other than (n×R)+1th read addresses based on the first incremental value and to generate the (n×R)+1th read addresses based on a second incremental value, and a memory interface (14) configured to successively read data from a read address and to successively write data of an input data block to a write address.
    • 具有可变长度的输入数据块,没有附加存储器单元,通过使用单个存储器进行解交织。 一种解交织装置,用于通过将包括R列的数据块(C'表示R×C的任何除数)的原始数据块的数据以行R列×C行的矩阵的形式进行交织, 主要命令并以列主要顺序读取原始数据块的数据包括被配置为存储数据的R×C部分的存储器(11),写地址生成器(12),其被配置为基于第一增量生成写入地址 值,读地址生成器(13),被配置为基于第一增量值生成除(n×R)+第1读取地址以外的读取地址,并且基于第二增益值生成(n×R)+第1读取地址 增量值和存储器接口(14),其被配置为从读取地址连续地读取数据,并且将输入数据块的数据顺序地写入到写入地址。