公开(公告)号：US08300657B2

公开(公告)日：2012-10-30

申请号：US12758652

申请日：2010-04-12

申请人： Mark R. Dale ,  David L. Hartman ,  Alan Gin ,  Jen-chieh Chien ,  Anders Hebsgaard ,  Rocco J. Brescia, Jr. ,  Cho-Hsin J. Wang ,  Alan Y. Kwentus ,  Dorothy D. Lin

发明人： Mark R. Dale ,  David L. Hartman ,  Alan Gin ,  Jen-chieh Chien ,  Anders Hebsgaard ,  Rocco J. Brescia, Jr. ,  Cho-Hsin J. Wang ,  Alan Y. Kwentus ,  Dorothy D. Lin

IPC分类号： H04J3/02

CPC分类号： H04N21/6193 ,  H04N7/17309 ,  H04N21/2385 ,  H04N21/44209 ,  H04N21/6143 ,  H04N21/637

摘要： A modified ranging request in a broadband communications system. The modified ranging request includes a header, a management message header attached to the header, a management message payload attached to the management message header, and a CRC attached to the management message payload. The management message header enables bandwidth requests to be made by subscriber equipment without contention. The management message header also includes state of health information on the status of a downstream transmission for enabling a central location to determine how to assign subscribers to queues in an adaptive modulation scheme.

摘要翻译： 宽带通信系统中的修改后的测距请求。 修改的测距请求包括头部，附加到头部的管理消息头部，附加到管理消息头部的管理消息有效载荷以及附加到管理消息有效载荷的CRC。 管理消息报头使得用户设备能够进行带宽请求，而无需争用。 管理消息报头还包括关于下游传输的状态的健康状况信息，用于使中央位置能够确定如何在自适应调制方案中为队列分配订户。

公开(公告)号：US20100198974A1

公开(公告)日：2010-08-05

申请号：US12758652

申请日：2010-04-12

申请人： Mark R. DALE ,  David L. Hartman ,  Alan Gin ,  Jen-Chieh Chien ,  Anders Hebsgaard ,  Rocco J. Brescia, JR. ,  Cho-Hsin J. Wang ,  Alan Y. Kwentus ,  Dorothy D. Lin

发明人： Mark R. DALE ,  David L. Hartman ,  Alan Gin ,  Jen-Chieh Chien ,  Anders Hebsgaard ,  Rocco J. Brescia, JR. ,  Cho-Hsin J. Wang ,  Alan Y. Kwentus ,  Dorothy D. Lin

IPC分类号： G06F15/16

CPC分类号： H04N21/6193 ,  H04N7/17309 ,  H04N21/2385 ,  H04N21/44209 ,  H04N21/6143 ,  H04N21/637

摘要： A modified ranging request in a broadband communications system. The modified ranging request includes a header, a management message header attached to the header, a management message payload attached to the management message header, and a CRC attached to the management message payload. The management message header enables bandwidth requests to be made by subscriber equipment without contention. The management message header also includes state of health information on the status of a downstream transmission for enabling a central location to determine how to assign subscribers to queues in an adaptive modulation scheme.

摘要翻译： 宽带通信系统中的修改后的测距请求。 修改的测距请求包括头部，附加到头部的管理消息头部，附加到管理消息头部的管理消息有效载荷以及附加到管理消息有效载荷的CRC。 管理消息报头使得用户设备能够进行带宽请求，而无需争用。 管理消息报头还包括关于下游传输的状态的健康状况信息，用于使中央位置能够确定如何在自适应调制方案中为队列分配订户。

公开(公告)号：US07729373B2

公开(公告)日：2010-06-01

申请号：US10186718

申请日：2002-07-02

申请人： Mark R Dale ,  David L Hartman ,  Alan Gin ,  Jen-chieh Chien ,  Anders Hebsgaard ,  Rocco J Brescia, Jr. ,  Cho-Hsin J Wang ,  Alan Y Kwentus ,  Dorothy D Lin

发明人： Mark R Dale ,  David L Hartman ,  Alan Gin ,  Jen-chieh Chien ,  Anders Hebsgaard ,  Rocco J Brescia, Jr. ,  Cho-Hsin J Wang ,  Alan Y Kwentus ,  Dorothy D Lin

IPC分类号： H04J3/02

CPC分类号： H04N21/6193 ,  H04N7/17309 ,  H04N21/2385 ,  H04N21/44209 ,  H04N21/6143 ,  H04N21/637

摘要： A modified ranging request in a broadband communications system. The modified ranging request includes a header, a management message header attached to the header, a management message payload attached to the management message header, and a CRC attached to the management message payload. The management message header enables bandwidth requests to be made by subscriber equipment without contention. The management message header also includes state of health information on the status of a downstream transmission for enabling a central location to determine how to assign subscribers to queues in an adaptive modulation scheme.

摘要翻译： 宽带通信系统中的修改后的测距请求。 修改的测距请求包括头部，附加到头部的管理消息头部，附加到管理消息头部的管理消息有效载荷以及附加到管理消息有效载荷的CRC。 管理消息报头使得用户设备能够进行带宽请求，而无需争用。 管理消息报头还包括关于下游传输的状态的健康状况信息，用于使中央位置能够确定如何在自适应调制方案中为队列分配订户。

公开(公告)号：US20100074167A1

公开(公告)日：2010-03-25

申请号：US12409461

申请日：2009-03-23

申请人： Mark Dale ,  Anders Hebsgaard ,  David Hartman ,  Alan Kwentus ,  Steven Jaffe ,  Kelly Cameron ,  Stephen Krafft ,  Alan Gin ,  Jen-chieh (Jack) Chien ,  Dorothy Lin ,  Rocco Brescia ,  Joyce Wang

发明人： Mark Dale ,  Anders Hebsgaard ,  David Hartman ,  Alan Kwentus ,  Steven Jaffe ,  Kelly Cameron ,  Stephen Krafft ,  Alan Gin ,  Jen-chieh (Jack) Chien ,  Dorothy Lin ,  Rocco Brescia ,  Joyce Wang

IPC分类号： H04B7/212 ,  H04L12/56

CPC分类号： H04L47/29 ,  H04B7/18582 ,  H04L12/2801 ,  H04L47/10 ,  H04L47/263 ,  H04N21/2383 ,  H04N21/2385 ,  H04N21/4382 ,  H04N21/44209 ,  H04N21/6143 ,  H04N21/6193 ,  H04N21/6377 ,  H04N2007/17381

摘要： In a DOCSIS based satellite gateway data is transmitted over a single downstream channel, at different throughput rates. Data destined for each subscriber/receiver is assigned a throughput rate depending upon the downstream signal quality of that subscriber/receiver. To accomplish this, the downstream DOCSIS MAC data is parsed to extract DOCSIS packets. The DOCSIS packets are then loaded into packet queues based on an identifier within such packets such as the MAC destination address or SID. Each of the queues represents a bandwidth efficiency or throughput rate that can be currently tolerated by specific subscribers based on the current signal quality being experienced at the subscriber location. A PHY-MAP describing the downstream data structure to be transmitted and inserted into the downstream data. Data is extracted from the packet queues in queue blocks as defined by the PHY-MAP. The queue blocks are modulated with transmission parameters appropriate for each queue block and transmitted to the DOCSIS based satellite modems. The satellite modems extract the PHY-MAP from the downstream data and use the information contained in it to demodulate and decode the queue for which they have sufficient downstream signal quality. Satellite modems measure and transmit downstream signal quality to the satellite gateway to be used to assigned traffic to the appropriate queues.

摘要翻译： 在基于DOCSIS的卫星网关中，数据通过单个下游信道以不同的吞吐率传输。 根据该用户/接收机的下行信号质量为目的地为每个用户/接收机指定的数据被分配吞吐率。 为了实现这一点，下游DOCSIS MAC数据被解析以提取DOCSIS分组。 DOCSIS分组然后基于诸如MAC目的地址或SID之类的分组内的标识符加载到分组队列中。 每个队列表示基于当前在用户位置处经历的信号质量，特定订户可以容忍的带宽效率或吞吐率。 描述要发送并插入下游数据的下游数据结构的PHY-MAP。 从PHY-MAP定义的队列块中的数据包队列中提取数据。 使用适合于每个队列块的传输参数调制队列块，并将其发送到基于DOCSIS的卫星调制解调器。 卫星调制解调器从下游数据中提取PHY-MAP，并使用其中包含的信息对其具有足够的下行信号质量的队列进行解调和解码。 卫星调制解调器测量和传输下行信号质量到卫星网关，用于将流量分配给适当的队列。

公开(公告)号：US07508785B2

公开(公告)日：2009-03-24

申请号：US10319929

申请日：2002-12-12

申请人： Mark Dale ,  Anders Hebsgaard ,  David Hartman ,  Alan Kwentus ,  Steven Jaffe ,  Kelly Cameron ,  Stephen Krafft ,  Alan Gin ,  Jen-chieh (Jack) Chien ,  Dorothy Lin ,  Rocco Brescia ,  Joyce Wang

发明人： Mark Dale ,  Anders Hebsgaard ,  David Hartman ,  Alan Kwentus ,  Steven Jaffe ,  Kelly Cameron ,  Stephen Krafft ,  Alan Gin ,  Jen-chieh (Jack) Chien ,  Dorothy Lin ,  Rocco Brescia ,  Joyce Wang

IPC分类号： H04B7/212

CPC分类号： H04L47/29 ,  H04B7/18582 ,  H04L12/2801 ,  H04L47/10 ,  H04L47/263 ,  H04N21/2383 ,  H04N21/2385 ,  H04N21/4382 ,  H04N21/44209 ,  H04N21/6143 ,  H04N21/6193 ,  H04N21/6377 ,  H04N2007/17381

摘要： In a DOCSIS based satellite gateway data is transmitted over a single downstream channel, at different throughput rates. Data destined for each subscriber/receiver is assigned a throughput rate depending upon the downstream signal quality of that subscriber/receiver. To accomplish this, the downstream DOCSIS MAC data is parsed to extract DOCSIS packets. The DOCSIS packets are then loaded into packet queues based on an identifier within such packets such as the MAC destination address or SID. Each of the queues represents a bandwidth efficiency or throughput rate that can be currently tolerated by specific subscribers based on the current signal quality being experienced at the subscriber location. A PHY-MAP describing the downstream data structure to be transmitted and inserted into the downstream data. Data is extracted from the packet queues in queue blocks as defined by the PHY-MAP. The queue blocks are modulated with transmission parameters appropriate for each queue block and transmitted to the DOCSIS based satellite modems. The satellite modems extract the PHY-MAP from the downstream data and use the information contained in it to demodulate and decode the queue for which they have sufficient downstream signal quality. Satellite modems measure and transmit downstream signal quality to the satellite gateway to be used to assigned traffic to the appropriate queues.

摘要翻译： 在基于DOCSIS的卫星网关中，数据通过单个下游信道以不同的吞吐率传输。 根据该用户/接收机的下行信号质量为目的地为每个用户/接收机指定的数据被分配吞吐率。 为了实现这一点，下游DOCSIS MAC数据被解析以提取DOCSIS分组。 DOCSIS分组然后基于诸如MAC目的地址或SID之类的分组内的标识符加载到分组队列中。 每个队列表示基于当前在用户位置处经历的信号质量，特定订户可以容忍的带宽效率或吞吐率。 描述要发送并插入下游数据的下游数据结构的PHY-MAP。 从PHY-MAP定义的队列块中的数据包队列中提取数据。 使用适合于每个队列块的传输参数调制队列块，并将其发送到基于DOCSIS的卫星调制解调器。 卫星调制解调器从下游数据中提取PHY-MAP，并使用其中包含的信息对其具有足够的下行信号质量的队列进行解调和解码。 卫星调制解调器测量和传输下行信号质量到卫星网关，用于将流量分配给适当的队列。

公开(公告)号：US07899034B2

公开(公告)日：2011-03-01

申请号：US11701509

申请日：2007-02-02

申请人： Anders Hebsgaard ,  David R. Dworkin ,  Lisa V. Denney ,  Robert J. Lee ,  Thomas J. Quigley

发明人： Anders Hebsgaard ,  David R. Dworkin ,  Lisa V. Denney ,  Robert J. Lee ,  Thomas J. Quigley

IPC分类号： H04L12/66

CPC分类号： H04L25/03343 ,  H04B1/1036 ,  H04J3/0664 ,  H04J3/067 ,  H04J3/0682 ,  H04L12/2801 ,  H04L2025/03808

摘要： A plurality of base station devices are linked together and synchronized to facilitate communication between the respective base station devices and respective downlink subscriber stations. According to one embodiment of the invention, one of the base station devices is designated as a master device, and the other base station devices are designated as slave devices. The respective base station devices are connected to each other by means of a synchronization bus. The master base station device then generates and broadcasts a future time stamp value, which is received by the respective slave base station devices. When the time stamp counter in the master base station device reaches the transmitted value, a control signal is broadcast over the synchronization bus. The slave base station devices then retrieve the time stamp value and reset their respective local time stamp counters to the received value. In this manner, the base station devices are synchronized.

摘要翻译： 多个基站设备被链接在一起并被同步以便于各个基站设备和相应的下行链路用户站之间的通信。 根据本发明的一个实施例，基站设备之一被指定为主设备，而其它基站设备被指定为从设备。 各个基站装置通过同步总线相互连接。 主基站装置然后生成并广播由各个从基站装置接收的未来时间戳值。 当主基站装置中的时间戳计数器达到发送值时，通过同步总线广播控制信号。 然后，从基站设备检索时间戳值并将其各自的本地时间戳计数器重置为接收的值。 以这种方式，基站装置同步。

公开(公告)号：US20080263426A1

公开(公告)日：2008-10-23

申请号：US12153241

申请日：2008-05-15

申请人： Kenneth G. Zaleski ,  Anders Hebsgaard

发明人： Kenneth G. Zaleski ,  Anders Hebsgaard

IPC分类号： H03M13/05 ,  G06F11/07

CPC分类号： H04L1/006 ,  H04L1/0065 ,  H04L27/3416

摘要： A method and apparatus for performing trellis coded modulation of signals for transmission on a TDMA channel of a cable network, such as a DOCSIS cable network, is provided. In an embodiment, an upstream modulator portion of a cable modem receives burst data, selectively encodes the burst data for trellis coded modulation to generate encoded symbols, and modulates the encoded symbols for selective transmission over a time division multiple access (TDMA) channel or a synchronous code division multiple access (S-CDMA) channel of the cable network.

摘要翻译： 提供了一种用于在诸如DOCSIS有线网络的有线网络的TDMA信道上执行用于传输的信号的网格编码调制的方法和装置。 在一个实施例中，电缆调制解调器的上游调制器部分接收突发数据，选择性地编码用于网格编码调制的突发数据以产生编码符号，并且通过时分多址（TDMA）信道或 有线网络的同步码分多址（S-CDMA）信道。

公开(公告)号：US20080020797A1

公开(公告)日：2008-01-24

申请号：US11835251

申请日：2007-08-07

申请人： Lisa DENNEY ,  Anders Hebsgaard ,  Robert Lee

发明人： Lisa DENNEY ,  Anders Hebsgaard ,  Robert Lee

IPC分类号： H04B1/38

CPC分类号： H04L47/2441 ,  H04L12/2801 ,  H04L12/66 ,  H04L47/15 ,  H04L47/35 ,  H04L47/70 ,  H04L47/788 ,  H04L47/821

摘要： Upstream requests such a bandwidth requests, are processed by CMTS out of order on a priority basis to reduce latency in responding to the request. Specifically, a cable modem termination system (CMTS) is connected to a plurality of cable modems by a cable plant. The CMTS has a burst receiver adapted to be connected to the cable plant to process upstream data packet units and bandwidth requests transmitted by the cable modems. Each packet includes a header that uniquely distinguishes the bandwidth requests from other data types. Packet data units are arranged in a first memory queue. Bandwidth requests are arranged in a second memory queue. The headers of the packets processed by the burst receiver are inspected as they arrive at the CMTS to determine if the packets are packet data units or bandwidth requests. Packet data units are routed to the first memory queue. Bandwidth requests are routed to the second memory queue. Bandwidth allocation MAP messages are generated from the bandwidth requests stored in the second queue and transmitted downstream to the cable modems. The packet data units stored in the first queue are coupled to a data output for further distribution.

摘要翻译： 上行请求这样的带宽请求由CMTS按优先级顺序处理，以减少响应请求的延迟。 具体来说，电缆调制解调器终端系统（CMTS）由电缆设备连接到多个电缆调制解调器。 CMTS具有适于连接到电缆设备的突发接收器，以处理由电缆调制解调器发送的上行数据分组单元和带宽请求。 每个数据包包括一个能够唯一区分带宽请求与其他数据类型的头。 分组数据单元被布置在第一存储器队列中。 带宽请求被排列在第二个存储器队列中。 由突发接收器处理的分组的报头在到达CMTS时进行检查，以确定分组是分组数据单元还是带宽请求。 分组数据单元被路由到第一个存储器队列。 带宽请求被路由到第二个内存队列。 带宽分配MAP消息是从存储在第二个队列中的带宽请求产生的，并向下游发送到电缆调制解调器。 存储在第一队列中的分组数据单元被耦合到数据输出用于进一步分配。

公开(公告)号：US07035251B2

公开(公告)日：2006-04-25

申请号：US10856829

申请日：2004-06-01

申请人： Anders Hebsgaard ,  David R. Dworkin ,  Lisa V. Denney ,  Robert J. Lee ,  Thomas J. Quigley

发明人： Anders Hebsgaard ,  David R. Dworkin ,  Lisa V. Denney ,  Robert J. Lee ,  Thomas J. Quigley

IPC分类号： H04L12/66

CPC分类号： H04L25/03343 ,  H04B1/1036 ,  H04J3/0664 ,  H04J3/067 ,  H04J3/0682 ,  H04L12/2801 ,  H04L2025/03808

摘要： A plurality of CMTS devices are linked together and synchronized to facilitate communication between the respective CMTS devices and respective downstream cable modems. According to one embodiment of the invention, one of the CMTS devices is designated as a master device, and the other CMTS devices are designated as slave devices. The respective CMTS devices are connected to each other by means of a synchronization bus. The master CMTS device then generates and broadcasts a future time stamp value, which is received by the respective slave CMTS devices. When the time stamp counter in the master CMTS device reaches the transmitted value, a control signal is broadcast over the synchronization bus. The slave CMTS devices then retrieve the time stamp value and reset their respective local time stamp counters to the received value. In this manner, the CMTS devices are synchronized.

摘要翻译： 多个CMTS设备被链接在一起并被同步以促进各个CMTS设备和相应的下游电缆调制解调器之间的通信。 根据本发明的一个实施例，CMTS设备中的一个被指定为主设备，并且其他CMTS设备被指定为从设备。 相应的CMTS设备通过同步总线相互连接。 然后，主CMTS设备生成并广播由相应从属CMTS设备接收的将来的时间戳值。 当主CMTS设备中的时间戳计数器达到发送值时，通过同步总线广播控制信号。 从属CMTS设备然后检索时间戳值并将其各自的本地时间戳计数器重置为接收的值。 以这种方式，CMTS设备被同步。

公开(公告)号：US06760316B1

公开(公告)日：2004-07-06

申请号：US09653155

申请日：2000-08-31

申请人： Anders Hebsgaard ,  David R. Dworkin ,  Lisa V. Denney ,  Robert J. Lee ,  Thomas J. Quigley

发明人： Anders Hebsgaard ,  David R. Dworkin ,  Lisa V. Denney ,  Robert J. Lee ,  Thomas J. Quigley

IPC分类号： H04B7212

CPC分类号： H04L25/03343 ,  H04B1/1036 ,  H04J3/0664 ,  H04J3/067 ,  H04J3/0682 ,  H04L12/2801 ,  H04L2025/03808

摘要： A plurality of CMTS devices are linked together and synchronized to facilitate communication between the respective CMTS devices and respective downstream cable modems. According to one embodiment of the invention, one of the CMTS devices is designated as a master device, and the other CMTS devices are designated as slave devices. The respective CMTS devices are connected to each other by means of a synchronization bus. The master CMTS device then generates and broadcasts a future time stamp value, which is received by the respective slave CMTS devices. When the time stamp counter in the master CMTS device reaches the transmitted value, a control signal is broadcast over the synchronization bus. The slave CMTS devices then retrieve the time stamp value and reset their respective local time stamp counters to the received value. In this manner, the CMTS devices are synchronized.

摘要翻译： 多个CMTS设备被链接在一起并被同步以促进各个CMTS设备和相应的下游电缆调制解调器之间的通信。 根据本发明的一个实施例，CMTS设备中的一个被指定为主设备，并且其他CMTS设备被指定为从设备。 相应的CMTS设备通过同步总线相互连接。 然后，主CMTS设备生成并广播由相应从属CMTS设备接收的将来的时间戳值。 当主CMTS设备中的时间戳计数器达到发送值时，通过同步总线广播控制信号。 从属CMTS设备然后检索时间戳值并将其各自的本地时间戳计数器重置为接收的值。 以这种方式，CMTS设备被同步。