公开(公告)号：US20030081610A1

公开(公告)日：2003-05-01

申请号：US09001907

申请日：1997-12-31

发明人： BEHRAM H. BHARUCHA ,  NORMAN FARBER ,  THOMAS S. GIUFFRIDA ,  ARIK KASHPER ,  STEVEN S. KATZ

IPC分类号： H04L012/56

CPC分类号： H04L12/64 ,  H04J2203/0087 ,  H04L12/5601 ,  H04L2012/5618 ,  H04L2012/5665 ,  H04L2012/5671 ,  H04L2012/6494

摘要： This proposal outlines an approach for interfacing Synchronous Transfer Mode (STM) and Asynchronous Transfer Mode (ATM) networks and for transporting voice, fax and voice-band data calls by the ATM network in an efficient manner. In contrast to the well known ATM Variable Bit Rate (VBR) approach, this proposal allows one to transport 64 kb/s traffic efficiently over ATM by re-using STM network signaling and exploiting the standard AAL-1-type adaptation layer (intended for Constant Bite Rate, CBR, services). We use low bit rate encoding algorithms and achieve additional compression for speech by marking cells that do not contain talk spurts. The invention defines specific rules for STM-to-ATM interfacing, including all routing translation, and identifies necessary Terminal Adapter (TA) and ATM switch capabilities. This approach is an advancement over previous inventions that specified network architecture and terminal adapter requirements to provide a graceful transition from an STM network (for example the AT&T long distance network) to an ATM network. Prior art described how to emulate an STM network in the ATM domain, but did not permit for compression and silence elimination and, therefore, did not allow achieving efficiency gains.

摘要翻译： 该提议概述了一种接口同步传输模式（STM）和异步传输模式（ATM）网络以及ATM网络以有效的方式传输语音，传真和语音频带数据呼叫的方法。 与众所周知的ATM可变比特率（VBR）方法相反，该方案允许通过重新使用STM网络信令并利用标准的AAL-1型适配层（用于 恒定咬率，CBR，服务）。 我们使用低比特率编码算法，并通过标记不包含对话突发的单元来实现语音的附加压缩。 本发明定义了STM到ATM接口的具体规则，包括所有的路由转换，并且识别必要的终端适配器（TA）和ATM交换机能力。 这种方法比先前发明的具有特定网络架构和终端适配器要求的发明更为突出，以提供从STM网络（例如AT＆T长距离网络）到ATM网络的平滑过渡。 现有技术描述了如何在ATM域中模拟STM网络，但是不允许消除压缩和静音，因此不能实现效率增益。

公开(公告)号：US5600641A

公开(公告)日：1997-02-04

申请号：US451580

申请日：1995-05-26

申请人： Maurice Duault ,  Gerard Lebizay ,  Claude Galand

发明人： Maurice Duault ,  Gerard Lebizay ,  Claude Galand

IPC分类号： H04L12/56 ,  H04L12/64 ,  H04Q11/04

CPC分类号： H04L49/3081 ,  H04L12/6418 ,  H04Q11/0478 ,  H04J2203/0087 ,  H04L2012/562 ,  H04L2012/5626 ,  H04L2012/563 ,  H04L2012/5638 ,  H04L2012/5651 ,  H04L2012/6464 ,  H04L2012/6481 ,  H04L2012/6489

摘要： Voice circuit emulation system in a packet switching network includes a plurality of switching nodes (SW-1, SW-2, . . . ) interconnected by connection lines (TL-1, TL-2, . . . ), enabling voice signals to be transmitted in circuit emulation packets from any source exchange telephone device (PBX-A) to any destination exchange telephone device (PBX-B). Each switching node (SW-1 or SW-2) includes a circuit emulation server (CES-1 or CES-2) including a plurality of connection tables corresponding each to an incoming connection line, each table containing for each incoming connection line, the identification of each outgoing connection line associated to each slot of the circuit emulation packet received from the incoming connection line and the identification of each slot of the packet to be transmitted on the outgoing connection line. A switching module looks up the connection table for each slot contained in each incoming circuit emulation packet received from all incoming lines and thereby transferring the contents thereof to the slot of the outgoing connection line identified in said connection table.

摘要翻译： 分组交换网络中的语音电路仿真系统包括通过连接线（TL-1，TL-2 ...）互连的多个交换节点（SW-1，SW-2 ...），使得语音信号 在电路仿真包中从任何源交换电话设备（PBX-A）发送到任何目的地交换电话设备（PBX-B）。 每个交换节点（SW-1或SW-2）包括电路仿真服务器（CES-1或CES-2），该电路仿真服务器（CES-1或CES-2）包括与输入连接线对应的多个连接表，每个表包含每个输入连接线， 识别与从输入连接线接收的电路仿真分组的每个时隙相关联的每个输出连接线以及要在输出连接线上发送的分组的每个时隙的标识。 切换模块查找从所有输入线路接收到的每个输入电路仿真分组中包含的每个时隙的连接表，从而将其内容传送到在所述连接表中标识的输出连接线的时隙。

公开(公告)号：US06925054B1

公开(公告)日：2005-08-02

申请号：US09206597

申请日：1998-12-07

申请人： Peter John Atterton ,  Brian Michael Unitt

发明人： Peter John Atterton ,  Brian Michael Unitt

IPC分类号： H04L12/28 ,  H04L12/46 ,  H04L12/56 ,  H04L29/06 ,  H04Q3/00 ,  H04Q11/04 ,  H04L12/26

CPC分类号： H04L45/302 ,  H04J2203/0042 ,  H04J2203/006 ,  H04J2203/0087 ,  H04L12/4604 ,  H04L12/5692 ,  H04L29/06 ,  H04L45/00 ,  H04L45/28 ,  H04L2012/5651 ,  H04Q3/0075 ,  H04Q11/0478

摘要： Path protection of high priority traffic is provided between network nodes in a packet network carrying lower priority traffic in addition to the high priority traffic. First and second traffic paths are provided between the nodes, the high priority traffic being allocated to the first path and the lower priority traffic to the second path. In the event of a failure or degradation of the first path carrying the high priority traffic, this traffic is switched from the first path on to the second path and the lower priority traffic is switched to the first path.

摘要翻译： 除了高优先级的业务之外，在承载较低优先级业务的分组网络中的网络节点之间提供高优先级业务的路径保护。 在节点之间提供第一和第二业务路径，高优先级业务被分配给第一路径，较低优先级的业务被分配给第二路径。 在承载高优先级业务的第一路径发生故障或劣化的情况下，该业务从第一路径切换到第二路径，低优先级业务切换到第一路径。

公开(公告)号：US06172978B2

公开(公告)日：2001-01-09

申请号：US08982505

申请日：1997-12-02

申请人： Wataru Fushimi ,  Yoshihiko Shirokura ,  Yukimasa Sugino ,  Hideaki Ebisawa ,  Yushi Naito

发明人： Wataru Fushimi ,  Yoshihiko Shirokura ,  Yukimasa Sugino ,  Hideaki Ebisawa ,  Yushi Naito

IPC分类号： H04L1266

CPC分类号： H04L12/64 ,  H04J2203/005 ,  H04J2203/0087 ,  H04L2012/5616 ,  H04L2012/5671 ,  H04Q11/0478

摘要： In establishing an audio one link connection wherein an audio signal is not encoded/decoded in a relay station, loud noises may be produced if the states of two audio tandem relay devices which make a pair during relay are changed from a normal connection state to a relay connection state at different times. In order to solve this problem, comfort noise generators are provided. In detail, when a first pattern signal is detected while a relay call is connected via a relay exchange, switches are switched to be connected at a contact point 1, and a switch is at a contact point 2. Upon detection of a second pattern signal, the switches are connected at the contact points 2, while the switches are connected at the contact points 2. With this arrangement, outputs from the comfort noise generators are selected and outputted during a period from first pattern signal detection to second pattern signal detection, during which the states of the two devices of a pair are different. As a result, occurrence of loud noises is prevented.

摘要翻译： 在建立音频信号在中继站中不进行编码/解码的音频一链路连接的情况下，如果在中继期间使一对成对的两个音频串联中继装置的状态从正常连接状态改变为 不同时间的中继连接状态。 为了解决这个问题，提供舒适噪音发生器。 详细地说，当通过中继交换机连接中继呼叫时检测到第一模式信号时，开关被切换为在接触点1处连接，并且开关处于接触点2.在检测到第二模式信号 开关连接在接触点2上，同时开关连接在接点2处。由此，在从第一模式信号检测到第二模式信号检测的期间，选择并输出来自舒适噪声发生器的输出， 在此期间，一对的两个装置的状态不同。 结果，防止发出大的噪音。

公开(公告)号：US06697353B2

公开(公告)日：2004-02-24

申请号：US09001907

申请日：1997-12-31

申请人： Behram H. Bharucha ,  Norman Farber ,  Thomas S. Giuffrida ,  Arik Kashper ,  Steven S. Katz

发明人： Behram H. Bharucha ,  Norman Farber ,  Thomas S. Giuffrida ,  Arik Kashper ,  Steven S. Katz

IPC分类号： H04L1266

CPC分类号： H04L12/64 ,  H04J2203/0087 ,  H04L12/5601 ,  H04L2012/5618 ,  H04L2012/5665 ,  H04L2012/5671 ,  H04L2012/6494

摘要： This proposal outlines an approach for interfacing Synchronous Transfer Mode (STM) and Asynchronous Transfer Mode (ATM) networks and for transporting voice, fax and voice-band data calls by the ATM network in an efficient manner. In contrast to the well known ATM Variable Bit Rate (VBR) approach, this proposal allows one to transport 64 kb/s traffic efficiently over ATM by re-using STM network signaling and exploiting the standard AAL-1-type adaptation layer (intended for Constant Bite Rate, CBR, services). We use low bit rate encoding algorithms and achieve additional compression for speech by marking cells that do not contain talk spurts. The invention defines specific rules for STM-to-ATM interfacing, including all routing translation, and identifies necessary Terminal Adapter (TA) and ATM switch capabilities. This approach is an advancement over previous inventions that specified network architecture and terminal adapter requirements to provide a graceful transition from an STM network (for example the AT&T long distance network) to an ATM network. Prior art described how to emulate an STM network in the ATM domain, but did not permit for compression and silence elimination and, therefore, did not allow achieving efficiency gains.

摘要翻译： 该提议概述了一种接口同步传输模式（STM）和异步传输模式（ATM）网络以及ATM网络以有效的方式传输语音，传真和语音频带数据呼叫的方法。 与众所周知的ATM可变比特率（VBR）方法相比，该方案允许通过重新使用STM网络信令并利用标准的AAL-1型适配层（用于 恒定咬率，CBR，服务）。 我们使用低比特率编码算法，并通过标记不包含对话突发的单元来实现语音的附加压缩。 本发明定义了STM到ATM接口的具体规则，包括所有的路由转换，并且识别必要的终端适配器（TA）和ATM交换机能力。 这种方法比先前发明的具有特定网络架构和终端适配器要求的发明更为突出，以提供从STM网络（例如AT＆T长距离网络）到ATM网络的平滑过渡。 现有技术描述了如何在ATM域中模拟STM网络，但是不允许消除压缩和静音，因此不能实现效率增益。

公开(公告)号：US06292486B1

公开(公告)日：2001-09-18

申请号：US08516216

申请日：1995-08-17

申请人： Vernon Robert Little

发明人： Vernon Robert Little

IPC分类号： H04L1256

CPC分类号： H04Q11/0442 ,  H04J2203/0067 ,  H04J2203/0078 ,  H04J2203/008 ,  H04J2203/0087 ,  H04J2203/0089 ,  H04L2012/561 ,  H04L2012/5615 ,  H04Q11/0478 ,  H04Q2213/13093 ,  H04Q2213/13209 ,  H04Q2213/13216 ,  H04Q2213/1322 ,  H04Q2213/1329 ,  H04Q2213/13292 ,  H04Q2213/13332 ,  H04Q2213/13333 ,  H04Q2213/13381 ,  H04Q2213/13386

摘要： A method of providing broadband communication services to a subscriber comprised of providing first broadband services from a central office via an ATM link to a neighborhood pedestal system, providing time division multiplex (TDM) services including voice communication services from the central office via a TDM link to the neighborhood pedestal system, providing a SONET-ATM communication link from the neighborhood pedestal system over two unshielded pair of twisted wires to a user-to-network interface (UNI) at a subscriber location, and providing ATM services over the SONET-ATM communication link and providing integrated services digital network (ISDN) or voice services within a SONET-ATM data frame using timing of the SONET-ATM communication link, to the UNI, whereby ATM, ISDN and voice services are provided between the neighborhood pedestal system and the subscriber location over the unshielded wires.

摘要翻译： 一种向用户提供宽带通信服务的方法，包括从中心局经由ATM链路提供第一宽带服务到邻居基座系统，提供包括来自中心局的语音通信服务的时分多路复用（TDM）服务，经由TDM链路 通过两个非屏蔽的双绞线提供来自邻居基座系统的SONET-ATM通信链路到用户位置处的用户到网络接口（UNI），并且通过SONET-ATM提供ATM服务 通信链路，并且使用SONET-ATM通信链路的定时在SONET-ATM数据帧内向UNI提供综合业务数字网（ISDN）或语音服务，由此在邻居基座系统和邻近基站系统之间提供ATM，ISDN和语音业务 用户位置在非屏蔽电线上。

公开(公告)号：US07529182B2

公开(公告)日：2009-05-05

申请号：US10769624

申请日：2004-01-30

申请人： Hiroyuki Homma ,  Kanta Yamamoto

发明人： Hiroyuki Homma ,  Kanta Yamamoto

IPC分类号： G01R31/08

CPC分类号： H04L45/00 ,  H04J3/085 ,  H04J2203/0042 ,  H04J2203/0053 ,  H04J2203/006 ,  H04J2203/0083 ,  H04J2203/0087 ,  H04L12/56 ,  H04L45/22 ,  H04L45/28

摘要： A communication method for a network where a plurality of communication devices are interconnected and a plurality of pairs of working channels and backup channels are set in two paths between adjacent communication devices to perform 1:1-protection communications. For information traffic of a type where importance determined by the type of information to be transmitted is relatively high, the 1:1-protection communications is performed by using working channels set in one of the two paths when there is no failure, and by switching to backup channels set in the other of the two paths when a failure is detected. For information traffic of a type where the importance is relatively low, communications is performed by using channels other than the working channels set for the information traffic of a type where importance is relatively high, in the two paths, when there is no failure.

摘要翻译： 一种用于网络的通信方法，其中多个通信设备互连，并且多对工作信道和备用信道被设置在相邻通信设备之间的两条路径中，以执行1：1保护通信。 对于由要发送的信息类型确定的重要性相对较高的类型的信息业务，当没有故障时，通过使用在两条路径中的一条路径中设置的工作信道进行1：1保护通信，并且通过切换 当检测到故障时，备份在两个路径中另一个路径中设置的通道。 对于重要性相对较低的类型的信息业务，当不存在故障时，通过使用为两个路径中的重要性相对较高的类型的信息业务设置的工作信道以外的信道进行通信。

公开(公告)号：US20080151915A1

公开(公告)日：2008-06-26

申请号：US12000133

申请日：2007-12-10

申请人： Yuzuru MASUYA ,  Koichi KIHARA ,  Koichi YAMAZAKI ,  Takashi ISHIGURO ,  Yasuhiro TAZOI ,  Junji ARAI ,  Takeshi SHIMOMURA

发明人： Yuzuru MASUYA ,  Koichi KIHARA ,  Koichi YAMAZAKI ,  Takashi ISHIGURO ,  Yasuhiro TAZOI ,  Junji ARAI ,  Takeshi SHIMOMURA

IPC分类号： H04L12/66 ,  H04J3/06

CPC分类号： H04J3/0632 ,  H04J3/14 ,  H04J2203/006 ,  H04J2203/0087 ,  H04L65/103

摘要： A redundancy gateway system that can avoid, to the maximum extent, short interruption of data communication caused by system switching in gateway units configured in a multiplex manner for a plurality of systems, and that can maintain the communication state prior to the system switching and avoid degradation of communication quality. A duplicate of a received packet is generated, thereby supplying the packet of the same content to a plurality of gateway units. For each packet, a common write pointer corresponding to identification information appended to the packet is generated. Each of the plurality of gateway units writes the packet to its own jitter buffer in accordance with the common write pointer corresponding to each supplied packet, sequentially reads out the written packet from the jitter buffer, and generates a TDM signal. One of the plurality of gateway units is selectively switched and only the TDM signal generated by the one gateway unit is supplied to a TDM network.

摘要翻译： 一种冗余网关系统，能够最大限度地避免以复用方式为多个系统配置的网关单元中的系统交换引起的数据通信短暂中断，并能够在系统切换前保持通信状态 通信质量下降。 产生接收到的分组的副本，从而将相同内容的分组提供给多个网关单元。 对于每个分组，生成与附加到分组的标识信息相对应的公共写指针。 多个网关单元中的每一个根据与每个提供的分组相对应的公共写指针将分组写入其自己的抖动缓冲器，从抖动缓冲器顺序读出写入的分组，并产生TDM信号。 选择性地切换多个网关单元中的一个，并且只有由一个网关单元生成的TDM信号被提供给TDM网络。

公开(公告)号：US20030081619A1

公开(公告)日：2003-05-01

申请号：US10004465

申请日：2001-11-01

发明人： Bruce A. Phillips ,  John M. Czak

IPC分类号： H04L012/28

CPC分类号： H04L12/2854 ,  H04J2203/008 ,  H04J2203/0087

摘要： A hybrid fiber coaxial communication (nullHFCnull) system configured to provide voice, video, and data services between a headend and a user gateway device at synchronous optical network (nullSONETnull) transmission rates. The HFC system comprises a broadband terminal in a headend, an optical to electrical (nullO/Enull) conversion node and a user gateway device. The user gateway device is located in a subscriber premise and provides the voice service to call devices, the video service to video display devices, and the data service to data display devices directly connected to the user gateway. The broadband terminal is configured to exchange voice, video, and data traffic with the user gateway via the O/E conversion node at SONET transmission rates. The optical to electrical conversion node is configured to convert upstream and downstream communications between optical carrier transmission rates and their electrical equivalent transmission rates.

摘要翻译： 一种混合光纤同轴通信（“HFC”）系统，被配置为在同步光网络（“SONET”）传输速率的前端和用户网关设备之间提供话音，视频和数据业务。 HFC系统包括头端的宽带终端，光电到（“O / E”）转换节点和用户网关设备。 用户网关设备位于用户住宅内，并将呼叫设备的语音服务，视频显示设备的视频服务和数据服务提供给直接连接到用户网关的数据显示设备。 宽带终端被配置为以SONET传输速率经由O / E转换节点与用户网关交换话音，视频和数据业务。 光电转换节点被配置为转换光载波传输速率与其电等效传输速率之间的上行和下行通信。

公开(公告)号：US07715374B2

公开(公告)日：2010-05-11

申请号：US12000133

申请日：2007-12-10

申请人： Yuzuru Masuya ,  Koichi Kihara ,  Koichi Yamazaki ,  Takashi Ishiguro ,  Yasuhiro Tazoi ,  Junji Arai ,  Takeshi Shimomura

发明人： Yuzuru Masuya ,  Koichi Kihara ,  Koichi Yamazaki ,  Takashi Ishiguro ,  Yasuhiro Tazoi ,  Junji Arai ,  Takeshi Shimomura

IPC分类号： H04L12/66 ,  H04L12/56

CPC分类号： H04J3/0632 ,  H04J3/14 ,  H04J2203/006 ,  H04J2203/0087 ,  H04L65/103

摘要： A redundancy gateway system that can avoid short interruption of data communication caused by system switching in gateway units configured in a multiplex manner for a plurality of systems, and that can maintain the communication state prior to the system switching and avoid degradation of communication quality. A duplicate of a received packet is generated, thereby supplying the packet of the same content to a configuration of gateway units. For each packet, a common write pointer corresponding to identification information appended to the packet is generated. Each gateway unit writes the packet to its own jitter buffer in accordance with the common write pointer corresponding to each supplied packet, sequentially reads out the written packet from the jitter buffer, and generates a TDM signal. One of the gateway units is selectively switched and only the TDM signal generated by the one gateway unit is supplied to a TDM network.

摘要翻译： 一种冗余网关系统，其能够避免由以多路复用方式为多个系统配置的网关单元中的系统交换引起的数据通信的短暂中断，并且能够在系统切换之前保持通信状态并避免通信质量下降。 产生接收到的分组的副本，从而将相同内容的分组提供给网关单元的配置。 对于每个分组，生成与附加到分组的标识信息相对应的公共写指针。 每个网关单元根据与每个提供的分组相对应的公共写指针将分组写入其自身的抖动缓冲器，从抖动缓冲器顺序读出写入的分组，并产生TDM信号。 选择性地切换网关单元之一，并且只有由一个网关单元生成的TDM信号被提供给TDM网络。