In-network home gateway for hybrid fiber-coax network
    1.
    发明授权
    In-network home gateway for hybrid fiber-coax network 有权
    混合光纤同轴网络的网络家庭网关

    公开(公告)号:US08705417B2

    公开(公告)日:2014-04-22

    申请号:US12830585

    申请日:2010-07-06

    IPC分类号: H04L5/00

    摘要: A network gateway function that is provided at a coaxial tap of a hybrid-fiber coaxial broadband network that feeds a customer location. A Data Over Cable Service Interface Specification (DOCSIS) modem may be embedded in the tap wherein the DOCSIS protocol is terminated. A network functionality such as firewall and network address translation is provided at a network termination point that may use Multimedia over Coax (MoCA) or other similar technology using an existing coaxial cable drop to a customer location that effectively extends a home network to the tap.

    摘要翻译: 提供在馈送客户位置的混合光纤同轴宽带网络的同轴抽头处的网络网关功能。 数据有线服务接口规范(DOCSIS)调制解调器可以嵌入在其中终止DOCSIS协议的分接头中。 在可以使用多媒体同轴(MoCA)或其他类似技术的网络终端点提供诸如防火墙和网络地址转换之类的网络功能,其使用现有的同轴电缆降落到有效地将家庭网络扩展到抽头的客户位置。

    Transport of modulation symbols in a communications system
    4.
    发明授权
    Transport of modulation symbols in a communications system 有权
    调制符号在通信系统中的传输

    公开(公告)号:US07532673B2

    公开(公告)日:2009-05-12

    申请号:US10768355

    申请日:2004-01-30

    IPC分类号: H04L27/36

    CPC分类号: H04L27/36

    摘要: A broadband communications system uses modulation symbol transport over communications links to replace baseband or bandpass signal transport, thereby providing longer communication distances, lower communication link bandwidth, and greater signal quality. Subsequent to transporting the modulation symbols, the symbols are modulated and further transmitted over the RF transmission network.

    摘要翻译: 宽带通信系统通过通信链路使用调制符号传输来代替基带或带通信号传输,从而提供较长的通信距离,较低的通信链路带宽和更大的信号质量。 在传送调制符号之后,对符号进行调制并进一步通过RF传输网络进行传输。

    Rate limited control mechanism for MPEG PCR dejittering
    9.
    发明授权
    Rate limited control mechanism for MPEG PCR dejittering 有权
    速率有限的MPEG PCR去抖动控制机制

    公开(公告)号:US07376158B2

    公开(公告)日:2008-05-20

    申请号:US10829568

    申请日:2004-04-22

    IPC分类号: H04J3/06

    CPC分类号: H04N21/4305

    摘要: A system and method for guaranteeing an upper bound on output jitter while maintaining maximum loop bandwidth. At least a portion of a plurality of transport packets stored in a buffer include a first timestamp value. A first phase locked loop receives a stream of first timestamp values and generates a variable rate timing signal stream that conveys a variation rate and a phase accumulation rate of the stream of first timestamp values to the first loop. A second phase locked loop receives the variable rate timing signal stream and generates a stable rate timing signal stream conveying the average rate of the variable rate timing signal stream. A interval timer is responsive to the stable rate timing signal stream in order to release the transport packets from the buffer.

    摘要翻译: 一种保证输出抖动上限同时保持最大环路带宽的系统和方法。 存储在缓冲器中的多个传输分组的至少一部分包括第一时间戳值。 第一锁相环接收第一时间戳值流并产生可变速率定时信号流,其将第一时间戳值流的变化率和相位累积速率传送到第一循环。 第二锁相环接收可变速率定时信号流,并产生传送可变速率定时信号流的平均速率的稳定速率定时信号流。 间隔定时器响应于稳定速率定时信号流,以便从缓冲器释放传输分组。