公开(公告)号：US07143334B2

公开(公告)日：2006-11-28

申请号：US10509038

申请日：2003-03-20

申请人： Lutz Finn ,  Sabine Rössel ,  Gerhard Steib

发明人： Lutz Finn ,  Sabine Rössel ,  Gerhard Steib

IPC分类号： H03M13/03

CPC分类号： H04L1/006 ,  H03M13/23 ,  H03M13/29 ,  H03M13/3905 ,  H03M13/3972 ,  H04L1/0054 ,  H04L1/0055

摘要： A data sequence consisting of K information bits that has been encoded with the help of a binary convolution code is decoded using a MaxLogMAP algorithm. In a first calculation operation, metric values are calculated accurately in a forwards and backwards direction in a trellis diagram and only some of the values are stored in a memory as interpolation points for an additional calculation operation. The additional calculation operation uses the interpolation points to accurately calculate the metric values that lie between the interpolation points of the first calculation operation. Soft output values are accurately determined for decoding after n operations.

摘要翻译： 使用MaxLogMAP算法解码由二进制卷积码帮助编码的K个信息位组成的数据序列。 在第一计算操作中，在网格图中以向前和向后的方向精确地计算度量值，并且仅一些值作为附加计算操作的插值点存储在存储器中。 附加计算操作使用内插点来精确地计算位于第一计算操作的插值点之间的度量值。 在n个操作之后，软输出值被准确地确定用于解码。

公开(公告)号：US20050166128A1

公开(公告)日：2005-07-28

申请号：US10509038

申请日：2003-03-20

申请人： Lutz Finn ,  Sabine Rossel ,  Gerhard Steib

发明人： Lutz Finn ,  Sabine Rossel ,  Gerhard Steib

IPC分类号： H03M13/23 ,  H03M13/29 ,  H04L1/00 ,  H03M13/03

CPC分类号： H04L1/006 ,  H03M13/23 ,  H03M13/29 ,  H03M13/3905 ,  H03M13/3972 ,  H04L1/0054 ,  H04L1/0055

摘要： A data sequence consisting of K information bits that has been encoded with the help of a binary convolution code is decoded using a MaxLogMAP algorithm. In a first calculation operation, metric values are calculated accurately in a forwards and backwards direction in a trellis diagram and only some of the values are stored in a memory as interpolation points for an additional calculation operation. The additional calculation operation uses the interpolation points to accurately calculate the metric values that lie between the interpolation points of the first calculation operation. Soft output values are accurately determined for decoding after n operations.

摘要翻译： 使用MaxLogMAP算法解码由二进制卷积码帮助编码的K个信息位组成的数据序列。 在第一计算操作中，在网格图中以向前和向后的方向精确地计算度量值，并且仅一些值作为附加计算操作的插值点存储在存储器中。 附加计算操作使用内插点来精确地计算位于第一计算操作的插值点之间的度量值。 在n个操作之后，软输出值被准确地确定用于解码。

公开(公告)号：US06377797B1

公开(公告)日：2002-04-23

申请号：US09203717

申请日：1998-12-02

申请人： Franz Schreib ,  Lutz Finn

发明人： Franz Schreib ,  Lutz Finn

IPC分类号： H04M300

CPC分类号： H04W88/181

摘要： A number of data processors, that each contain at least one processor, a memory and an interface, are provided in the inventive arrangement. The arrangement further comprises at least one digital transmitter that is connected to the data processors via a program bus and sends program code over the program bus, only parts thereof being stored in a respective data processor. The arrangement is particularly suited for transcoder units in mobile radiotelephone systems wherein a number of encoding methods are utilized or a switching in the sense of an adaptive multi-rate encoder ensues.

摘要翻译： 在本发明的布置中提供了多个数据处理器，每个数据处理器包含至少一个处理器，存储器和接口。 该装置还包括至少一个经由程序总线连接到数据处理器的数字发送器，并通过程序总线发送程序代码，只有其中的一部分存储在相应的数据处理器中。 该装置特别适用于移动无线电话系统中的代码转换器单元，其中使用多种编码方法或者在自适应多速率编码器的意义上进行切换。