公开(公告)号：US20150326405A1

公开(公告)日：2015-11-12

申请号：US14652696

申请日：2012-12-17

Applicant: Steven J. SHELLHAMMER ,  Xuguang LI ,  Patrick STUPAR ,  QUALCOMM INCORPORATED ,  Tienchuan KO ,  Honger NIE ,  Xinyu HU ,  Andrea GARAVAGLIA

Inventor： Tienchuan Ko ,  Honger Nie ,  Xinyu Hu ,  Andrea J. Garavaglia ,  Stephen J. Shellhammer ,  Xuguang Li ,  Patrick Stupar

IPC: H04L12/18 ,  H04B10/27

CPC classification number: H04L12/18 ,  H04B10/27 ,  H04L12/1836 ,  H04L12/2885 ,  H04Q11/0071 ,  H04Q2011/0077

Abstract: A fiber-coax unit (FCU) is coupled to an optical line terminal (OLT) and a plurality of coax network units (CNUs). The FCU receives a multicast frame from the OLT. The multicast frame includes a first multicast logical link identifier (LLID) dedicated for multicast traffic directed to CNUs. The FCU replaces the first multicast LLID in the multicast frame with a second multicast LLID corresponding to one or more multicast groups that include at least one CNU of the plurality of CNUs. The FCU transmits the multicast frame to the plurality of CNUs.

Abstract translation: 光纤同轴电缆单元（FCU）耦合到光线路终端（OLT）和多个同轴电缆网络单元（CNU）。 FCU从OLT接收多播帧。 多播帧包括专用于指向CNU的多播流量的第一多播逻辑链路标识符（LLID）。 FCU用与包括多个CNU中的至少一个CNU的一个或多个多播组对应的第二多播LLID替换多播帧中的第一组播LLID。 FCU将多播帧发送到多个CNU。

公开(公告)号：US06651893B2

公开(公告)日：2003-11-25

申请号：US09468185

申请日：1999-12-21

Applicant: Duanfeng He ,  Kevin Hunter ,  Steven J. Shellhammer ,  Sundeep Kumar

Inventor： Duanfeng He ,  Kevin Hunter ,  Steven J. Shellhammer ,  Sundeep Kumar

IPC: G06K1906

CPC classification number: G06K7/1473 ,  G06K7/14

Abstract: A data encoding/decoding scheme includes a plurality of bar code symbols each carrying a portion of the data in which improved error correction capabilities are incorporated. According to one aspect, once data codewords have been derived to form the symbols, a first set of data correction elements are derived from a first field, then a second set of error correction elements are derived from the data elements and the first set of error correction elements using a second, wider field.

Abstract translation: 数据编码/解码方案包括多个条形码符号，每个条形码符号携带改进的纠错能力的一部分数据。 根据一个方面，一旦数据码字被导出以形成符号，则从第一场导出第一组数据校正元件，然后从数据元素导出第二组误差校正元件，并从第一组误差 校正元件使用第二个较宽的场。