公开(公告)号：US20140003560A1

公开(公告)日：2014-01-02

申请号：US13916367

申请日：2013-06-12

Applicant: BROADCOM CORPORATION

Inventor： Thomas J. Kolze ,  Richard S. Prodan

IPC: H04L1/00

CPC classification number: H04L1/0041 ,  H04L1/0045 ,  H04L1/0058 ,  H04L1/0066

Abstract: A demodulator processes a continuous-time signal to generate at a plurality of encoded bits. An inner decoder processes a first subset of bits within the plurality of encoded bits to correct selected ones of the first subset of bits to form a corrected first subset of bits and to generate partially corrected data from the plurality of encoded bits based on the corrected first subset of bits. An outer decoder processes the partially decoded data, to correct selected ones of a second subset of the plurality of encoded bits to form a corrected second subset of bits. A bit combiner generates data estimates by combining the corrected first subset of bits and the corrected second subset of bits.

Abstract translation: 解调器处理连续时间信号以产生多个编码比特。 内部解码器处理多个编码比特中的比特的第一子集，以校正所选择的第一比特组，以形成校正的比特的第一子集，并且基于经校正的第一子帧从多个编码比特生成部分校正的数据 位子集。 外部解码器处理部分解码的数据，以校正多个编码比特的第二子集中的选定的数据，以形成校正的第二比特子集。 位组合器通过组合校正后的第一子位和校正的第二子位子来产生数据估计。

公开(公告)号：US20130239164A1

公开(公告)日：2013-09-12

申请号：US13887932

申请日：2013-05-06

Applicant: BROADCOM CORPORATION

Inventor： Thomas J. Kolze ,  Robbert van der Wal ,  Bruce J. Currivan

IPC: H04N21/63

CPC classification number: H04N21/63 ,  H04H20/69 ,  H04H20/78

Abstract: Methods and systems for DVB-C2 are disclosed and may include receiving data encoded utilizing variable encoding, variable modulation and outer codes via a physical layer matched to a desired quality of service. An error probability may be determined for said received data and retransmission of portions of said data with error probability above an error threshold may be requested. The variable modulation may include single carrier modulation, orthogonal frequency division modulation, synchronous code division multiple access, and/or from 256 QAM to 2048 QAM or greater. The variable encoding may include forward error correction code, which may include low density parity check code.

Abstract translation: 公开了DVB-C2的方法和系统，并且可以包括通过与期望的服务质量匹配的物理层来接收利用可变编码，可变调制和外部码编码的数据。 可以针对所述接收的数据确定错误概率，并且可以请求误差概率高于误差阈值的所述数据的部分的重传。 可变调制可以包括单载波调制，正交频分调制，同步码分多址，和/或从256QAM到2048QAM或更大。 可变编码可以包括前向纠错码，其可以包括低密度奇偶校验码。

公开(公告)号：US20130219243A1

公开(公告)日：2013-08-22

申请号：US13692020

申请日：2012-12-03

Applicant: Broadcom Corporation

Inventor： Thomas J. Kolze

IPC: H03M13/17

CPC classification number: H03M13/17 ,  H03M13/1515 ,  H03M13/152 ,  H03M13/1545 ,  H03M13/155 ,  H03M13/2732 ,  H03M13/373 ,  H03M13/618 ,  H03M13/6561 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0071

Abstract: Handling burst error events with interleaved Reed-Solomon (RS) codes. A received signal, that has undergone convolutional interleaving sometime before, is received from a burst noise affected communication channel. The signal undergoes convolutional deinterleaving and the codewords generated there from undergo appropriate successive cyclic shifting to arrange burst noise affected symbols of various codewords into at least some common symbol locations. For example, at least two codewords have burst noise affected symbols in common symbol locations. An ensemble decoder jointly decodes multiple codewords during a same time period (i.e., processes multiple codewords simultaneously). By processing multiple codewords simultaneously, the ensemble decoder has greater error correction capability than a decoder that processes a single codeword at a time.

Abstract translation: 使用交错的里德 - 所罗门（RS）代码处理突发错误事件。 从突发噪声影响的通信信道接收已经经历了之前经历卷积交织的接收信号。 信号经历卷积解交织，并且在那里产生的码字经历适当的连续循环移位，以将突发噪声影响的各种码字的符号排列到至少一些公共符号位置。 例如，至少两个码字在共同符号位置中具有突发噪声影响的符号。 整体解码器在相同的时间周期内共同解码多个码字（即，同时处理多个码字）。 通过同时处理多个码字，整体解码器具有比一次处理单个码字的解码器更大的纠错能力。