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1. 发明授权

US5539744A Hand-off management for cellular telephony 失效
标题翻译：移动电话的切换管理
公开(公告)号：US5539744A
公开(公告)日：1996-07-23
申请号：US395546
申请日：1995-02-28
申请人： Helen Chu , Bharat T. Doshi , Subrahmanyam Dravida , Sanjiv Nanda , Anil S. Sawkar , Kazem A. Sohraby
发明人： Helen Chu , Bharat T. Doshi , Subrahmanyam Dravida , Sanjiv Nanda , Anil S. Sawkar , Kazem A. Sohraby
IPC分类号： H04L12/56 , H04Q11/04 , H04W36/08 , H04W76/04 , H04Q7/20
CPC分类号： H04W76/04 , H04L49/3081 , H04Q11/0478 , H04L2012/5605 , H04L2012/5606 , H04L2012/5607 , H04L2012/5626 , H04L2012/563 , H04W36/08
摘要： A telecommunications architecture using ATM based technology is disclosed that supports wireless communications. Some embodiments of the present invention may provide a mechanism for hand-off, which has fewer costs and restrictions than other hand-off schemes the in the prior art. In one embodiment a plurality of virtual circuit identifiers is created such that each is unambiquously associated with the others. The virtual circuit identifiers are then transmitted to a wireless terminal, via a first radio port. Subsequently, the wireless terminal transmits one of the virtual circuit identifiers to second radio port.
摘要翻译：公开了一种支持无线通信的基于ATM技术的电信架构。本发明的一些实施例可以提供用于切换的机制，其具有比现有技术中的其他切换方案更少的成本和限制。在一个实施例中，创建多个虚拟电路标识符，使得每个虚拟电路标识符与其他虚拟电路标识符不相称。然后，经由第一无线端口将虚拟电路标识符发送到无线终端。随后，无线终端将虚拟电路标识符之一发送到第二无线端口。

2. 发明授权

US07278048B2 Method, system and computer program product for improving system reliability 有权
标题翻译：方法，系统和计算机程序产品，用于提高系统可靠性
公开(公告)号：US07278048B2
公开(公告)日：2007-10-02
申请号：US10620527
申请日：2003-07-16
申请人： James C. Clark , Daniel R. Jeske , Omar H. Salvador , Kazem A. Sohraby , Xuemei Zhang
发明人： James C. Clark , Daniel R. Jeske , Omar H. Salvador , Kazem A. Sohraby , Xuemei Zhang
IPC分类号： G06F11/00
CPC分类号： G06F11/0751 , G06F11/0706 , G06F11/0754
摘要： A method and system for improving the reliability of a system, such as a software system, is disclosed. “Service measurements” that are routinely measured and monitored in connection with the operation of systems (e.g., QOS (Quality Of Service) measurements) are utilized in the reliability architecture of the system. Service measurements include a number of alternative data types, such as transactions completed, messages received, messages sent, calls completed, bytes transmitted, jobs processed, etc. Any operations of the system that are typically monitored for other purposes can be utilized in the reliability architecture of the present invention. Most systems track these types of statistics as, for example, part of their billing procedures or part of their performance bench-marking or QOS processes. Since these statistics are already kept, it is very simple to analyze the statistics to create the historical signatures, and then monitor the statistics of the currently operating system to perform the signature checking process.
摘要翻译：公开了一种用于提高诸如软件系统的系统的可靠性的方法和系统。在系统的可靠性架构中使用与系统操作（例如，QOS（服务质量）测量）相关的常规测量和监视的“服务测量”）。服务测量包括许多替代数据类型，例如完成的事务，接收到的消息，已发送的消息，已完成的呼叫，发送的字节，处理的作业等。通常被监视用于其他目的的系统的任何操作都可以用于可靠性本发明的结构。大多数系统跟踪这些类型的统计数据，例如，它们的计费程序的一部分或其绩效基准标记或QOS流程的一部分。由于这些统计信息已被保存，因此分析统计信息以创建历史签名非常简单，然后监视当前操作系统的统计信息，以执行签名检查过程。

3. 发明授权

US06192049B1 Jitterless and lossless switching fabric with network routing 失效
标题翻译：无线和无损交换结构，具有网络路由
公开(公告)号：US06192049B1
公开(公告)日：2001-02-20
申请号：US08900373
申请日：1997-07-15
申请人： Kazem A. Sohraby
发明人： Kazem A. Sohraby
IPC分类号： H04L1228
CPC分类号： H04L49/3081 , H04L49/256 , H04L2012/562 , H04L2012/5681 , H04Q11/0478
摘要： A switching fabric has input ports, output ports, buffers and at least one switch processor, which determines the available capacity of links at a switch and communicates this information to other switches in a network on a periodic basis. Based on this knowledge, the switch processor of the present invention determines if the necessary number of contiguous time slots in a time frame are available for the call in question. The routing method of the present method uses the periodically updated bandwidth usage to determine a route from a source switch to a destination switch. By utilizing periodic updates of bandwidth usage and assigning contiguous time slots, time slot availability becomes predictable and cell streams travel jointly along the same route, which in turn eliminates cell loss and jitter.
摘要翻译：交换结构具有输入端口，输出端口，缓冲器和至少一个交换处理器，其确定交换机处的链路的可用容量，并将该信息定期地传送到网络中的其他交换机。基于该知识，本发明的交换处理器确定时间帧中必需数量的连续时隙对于所讨论的呼叫是否可用。本方法的路由方法使用周期性更新的带宽使用来确定从源交换机到目的地交换机的路由。通过利用带宽使用的定期更新和分配连续的时隙，时隙可用性变得可预测，并且小区流沿着相同的路由共同行进，这又消除了信元丢失和抖动。

4. 发明授权

US5664007A Method and apparatus for providing continuation of a communication call across multiple networks 失效
标题翻译：用于在多个网络上提供通信呼叫的继续的方法和装置
公开(公告)号：US5664007A
公开(公告)日：1997-09-02
申请号：US398728
申请日：1995-03-06
申请人： Behrokh Samadi , Kazem A. Sohraby
发明人： Behrokh Samadi , Kazem A. Sohraby
IPC分类号： H04W36/14 , H04Q7/22 , H04Q7/24 , H04Q7/38
CPC分类号： H04W36/0066 , H04W36/02 , H04W36/14
摘要： A method and apparatus is disclosed for providing continuation of a communication call as a user moves from the coverage area of one communication network to the coverage area of another communication network having different access media and different applications. A voice, data, video or multimedia call involving multiple end-points which may be located on different networks may be placed on hold pursuant to a pause request made by a user of one of the end-points. The networks include processors programmed to interrupt and recognize specified signals, such as a pause request signal, and to respond by providing reconnection identification information. The user making a pause request may generate a reconnection request in a different network to continue the paused call on the new network by using a calling device that is compatible with the access media and applications provided by the new network. Each network has the capability of communicating with processors associated with other networks to establish a new route for the call so that once a reconnection request is received, the call may be resumed.
摘要翻译：公开了一种用于在用户从一个通信网络的覆盖区域移动到具有不同接入介质和不同应用的另一个通信网络的覆盖区域的情况下提供通信呼叫的继续的方法和装置。涉及可能位于不同网络上的多个端点的语音，数据，视频或多媒体呼叫可以根据终端中的一个终端的用户做出的暂停请求而被置于保持状态。网络包括被编程为中断和识别诸如暂停请求信号的指定信号的处理器，并且通过提供重新连接识别信息进行响应。进行暂停请求的用户可以在不同的网络中生成重新连接请求，以通过使用与该新网络提供的访问媒体和应用兼容的主叫设备在新网络上继续暂停的呼叫。每个网络具有与与其他网络相关联的处理器通信的能力，以建立用于呼叫的新路由，使得一旦接收到重新连接请求，可以恢复该呼叫。

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