公开(公告)号：US6070191A

公开(公告)日：2000-05-30

申请号：US953577

申请日：1997-10-17

申请人： Balakrishnan Narendran ,  Sampath Rangarajan ,  Shalini Yajnik

发明人： Balakrishnan Narendran ,  Sampath Rangarajan ,  Shalini Yajnik

IPC分类号： G06F9/50 ,  G06F11/00 ,  H04L29/06 ,  H04L29/08 ,  G06F13/00

CPC分类号： G06F9/505 ,  G06F9/5083 ,  H04L67/1023 ,  H04L67/1095 ,  H04L69/329 ,  H04L67/1002 ,  H04L67/1034

摘要： A server system for processing client requests received over a communication network includes a cluster of N document servers and at least one redirection server. The redirection server receives a client request from the network and redirects it to one of the document servers, based on a set of pre-computed redirection probabilities. Each of the document servers may be an HTTP server that manages a set of documents locally and can service client requests only for the locally-available documents. A set of documents are distributed across the document servers in accordance with a load distribution algorithm which may utilize the access rates of the documents as a metric for distributing the documents across the servers and determining the redirection probabilities. The load distribution algorithm attempts to equalize the sum of the access rates of all the documents stored at a given document server across all of the document servers. In the event of a server failure, the redirection probabilities may be recomputed such that the load of client requests is approximately balanced among the remaining document servers. The redirection probabilities may also be recomputed periodically in order to take into account changes in document access rates and changes in server capacity. The recomputation may be based on a maximum-flow minimum-cost solution of a network flow problem.

摘要翻译： 用于处理通过通信网络接收的客户端请求的服务器系统包括N个文档服务器的集群和至少一个重定向服务器。 重定向服务器基于一组预先计算的重定向概率从网络接收客户端请求并将其重定向到其中一个文档服务器。 每个文档服务器可以是本地管理一组文档的HTTP服务器，并且可以仅为本地可用文档服务客户端请求。 一组文档根据负载分布算法分布在文档服务器上，负载分配算法可以利用文档的访问速率作为跨服务器分发文档的度量并确定重定向概率。 负载分配算法尝试均衡所有文档服务器上存储在给定文档服务器上的所有文档的访问速率之和。 在服务器发生故障的情况下，可以重新计算重定向概率，使得客户机请求的负载在剩余的文档服务器之间大致平衡。 也可以定期重新计算重定向概率，以便考虑文档访问速率和服务器容量变化的变化。 重新计算可以基于网络流量问题的最大流量最小成本解决方案。

公开(公告)号：US6072990A

公开(公告)日：2000-06-06

申请号：US848392

申请日：1997-05-08

申请人： Prathima Agrawal ,  Balakrishnan Narendran ,  James Paul Sienicki ,  Shalini Yajnik

发明人： Prathima Agrawal ,  Balakrishnan Narendran ,  James Paul Sienicki ,  Shalini Yajnik

IPC分类号： H04B7/005 ,  H04L12/56 ,  H04W24/00 ,  H04W28/04 ,  H04W52/20 ,  H04W52/30 ,  H04Q7/20

CPC分类号： H04W52/30 ,  H04W52/20 ,  H04W24/00

摘要： A method and system for adaptively determining an operating point for a transmitter-receiver pair in a wireless communication network. The receiver receives data over an uplink and measures an average observed word error rate avg.sub.-- WER of the received data and transmits the average observed word error rate avg.sub.-- WER over a downlink to the transmitter when the average observed word error rate avg.sub.-- WER is not within an acceptable word error rate range. The transmitter receives the average observed word error rate avg.sub.-- WER over the downlink and determines a power-code pair (P,c) for the transmitter based on the average observed word error rate avg.sub.-- WER. The power code pair (P,c) defines an operating point of the transmitter, where P of the power-code pair is a selected transmit power level of the transmitter and c of the power-code pair is a selected forward error correcting code used for encoding the data. The receiver can also determine a predicted word error rate WER.sub.pred for a first timeframe based on the observed word error rate WER.sub.obs for a second timeframe, and determines whether the predicted word error rate WER.sub.pred is within the acceptable word error rate WER range.

摘要翻译： 一种用于在无线通信网络中自适应地确定发射机 - 接收机对的工作点的方法和系统。 接收机通过上行链路接收数据，并测量接收数据的平均观测字误差率avg-WER，并且当平均观测字误差率avg-WER为 不在可接受的字错误率范围内。 发射机在下行链路上接收平均观测字误差率avg-WER，并根据平均观测字误差率avg-WER确定发射机的功率码对（P，c）。 功率代码对（P，C）定义了发射机的工作点，其中功率代码对的P是发射机的选定的发射功率电平，而功率代码对的c是所使用的选择的前向纠错码 用于对数据进行编码。 接收机还可以基于第二时间帧上观察到的字错误率WERobs确定第一时间帧的预测字错误率WERpred，并且确定预测字错误率WERpred是否在可接受的字错误率WER范围内。

公开(公告)号：US5722051A

公开(公告)日：1998-02-24

申请号：US600696

申请日：1996-02-13

申请人： Prathima Agrawal ,  Balakrishnan Narendran ,  James Paul Sienicki ,  Shalini Yajnik

发明人： Prathima Agrawal ,  Balakrishnan Narendran ,  James Paul Sienicki ,  Shalini Yajnik

IPC分类号： H04B7/26 ,  H04B7/005 ,  H04L1/00 ,  H04B1/00 ,  H04B7/00

CPC分类号： H04W52/265 ,  H04L1/0015 ,  H04W52/362 ,  H04W52/367 ,  H04W52/48 ,  H04L1/0009 ,  H04L1/0023 ,  Y02B60/50

摘要： A dynamic combined power control and forward error correction control (FEC) technique for mobile radio systems which illustratively decreases the power consumed by wireless transmitters and increases the number of simultaneous connections which may be supported thereby. Individual transmitter-receiver pairs may adaptively determine the minimal power and FEC required to satisfy specified quality-of-service (QOS) constraints. Specifically, in accordance with an illustrative embodiment of the present invention, a first portion of a signal is encoded with a first code to generate a first encoded signal portion. Then, the first encoded signal portion is transmitted with a first power level. Next, parameter data is received, wherein the parameter data is representative of one or more characteristics of a received signal portion having been received by the receiver, the received signal portion having been based on the transmitted first encoded signal portion. A second code and a second power level is then determined based on the received parameter data, and a second portion of the signal is encoded with the second code to generate a second encoded signal portion. Finally, the second encoded signal portion is transmitted with the second power level.

摘要翻译： 用于移动无线电系统的动态组合功率控制和前向纠错控制（FEC）技术，其示例性地降低无线发射机消耗的功率并且增加可能由此支持的同时连接的数量。 单个发射机 - 接收机对可以自适应地确定满足指定的服务质量（QOS）约束所需的最小功率和FEC。 具体地，根据本发明的说明性实施例，信号的第一部分用第一代码编码以产生第一编码信号部分。 然后，第一编码信号部分以第一功率电平传输。 接下来，接收参数数据，其中参数数据表示接收机接收到的接收信号部分的一个或多个特性，接收信号部分已经基于发送的第一编码信号部分。 然后基于接收的参数数据确定第二代码和第二功率电平，并且用第二代码编码信号的第二部分以生成第二编码信号部分。 最后，以第二功率电平发送第二编码信号部分。

公开(公告)号：US06510439B1

公开(公告)日：2003-01-21

申请号：US09370340

申请日：1999-08-06

申请人： Sampath Rangarajan ,  Shalini Yajnik

发明人： Sampath Rangarajan ,  Shalini Yajnik

IPC分类号： G06F1730

CPC分类号： G06F17/30893 ,  Y10S707/99945 ,  Y10S707/99952

摘要： A system for providing coherent access to different versions of a group of documents stored in a file system and retrievable over the Internet from an HTTP server includes a state management server which stores registration data indicating the file paths of the documents in each version of the group and a set of index paths used by clients to reference documents in the group. State information identifying the version of said group previously accessed by a client is stored in a cookie which is associated with the domain of the state management server and the path of the group. A client requests a document from the group by issuing a request to an HTTP server including the index path of the desired document. The request and associated cookie, which is automatically transmitted by the client Internet software, is forwarded to the state management server. The state information stored in the cookie is extracted and used to determine which version of the group of documents should be accessed. The index path is then mapped to the file path for the appropriate version of the requested document and the data information is updated to reflect the present access. The mapped file path and cookie are then returned to the HTTP server.

摘要翻译： 用于提供对存储在文件系统中并可通过因特网从HTTP服务器检索的一组文档的不同版本的一致访问的系统包括状态管理服务器，其存储指示文档的每个版本中的文件路径的注册数据 以及客户端使用的一组索引路径来引用组中的文档。 识别由客户端先前访问的所述组的版本的状态信息被存储在与状态管理服务器的域和组的路径相关联的cookie中。 客户端通过向包括所需文档的索引路径的HTTP服务器发出请求来请求组中的文档。 由客户端Internet软件自动发送的请求和关联的cookie被转发到状态管理服务器。 提取存储在cookie中的状态信息，并用于确定哪个版本的文档组应被访问。 然后将索引路径映射到文件路径以获取所请求文档的适当版本，并更新数据信息以反映当前访问。 映射的文件路径和cookie然后返回到HTTP服务器。

公开(公告)号：US6138152A

公开(公告)日：2000-10-24

申请号：US89596

申请日：1998-06-02

申请人： Pankaj Jalote ,  Sampath Rangarajan ,  Shalini Yajnik

发明人： Pankaj Jalote ,  Sampath Rangarajan ,  Shalini Yajnik

IPC分类号： G06F17/30 ,  G06F15/16 ,  G06F15/17

CPC分类号： G06F17/30887 ,  Y10S707/99953 ,  Y10S707/99954

摘要： In a communication arrangement, client terminals request information objects, e.g., hypertext markup language (HTML) documents, which are identified by their uniform resource locators (URLs) from a server system connected to the World Wide Web (WWW). For example, the information objects may represent different chapters of the same book and are thus logically connected. In accordance with the invention, when the logically connected information objects are updated, the updated versions of the information objects are stored in a temporary memory space. For those client terminals requesting the logically connected information objects by their URLs before the update, the server system consistently provides the original versions of the information objects at such URLs to the client terminals. However, for those client terminals requesting the logically connected information objects by their URLs after the update, the server system translates the given URLs to different URLs indicating the memory locations where the updated versions thereof are stored, thereby consistently providing the updated versions to the client terminals.

摘要翻译： 在通信方案中，客户端终端从连接到万维网（WWW）的服务器系统请求由其统一资源定位符（URL）标识的信息对象，例如超文本标记语言（HTML）文档。 例如，信息对象可以表示同一本书的不同章节，因此逻辑上是连接的。 根据本发明，当逻辑连接的信息对象被更新时，信息对象的更新版本被存储在临时存储器空间中。 对于那些在更新之前通过其URL请求逻辑连接的信息对象的客户终端，服务器系统始终将这些URL处的信息对象的原始版本提供给客户终端。 然而，对于那些在更新之后通过其URL请求逻辑连接的信息对象的客户终端，服务器系统将给定的URL转换成指示存储其更新版本的存储器位置的不同URL，从而始终向客户端提供更新的版本 终端。

公开(公告)号：US09356917B2

公开(公告)日：2016-05-31

申请号：US13571098

申请日：2012-08-09

申请人： Mehmet Balasaygun ,  Jean Meloche ,  Heinz Teutsch ,  Shalini Yajnik

发明人： Mehmet Balasaygun ,  Jean Meloche ,  Heinz Teutsch ,  Shalini Yajnik

IPC分类号： H04L29/06

CPC分类号： H04L63/0464 ,  H04L63/166 ,  H04L63/20

摘要： Disclosed herein are systems, methods, and non-transitory computer-readable storage media for implementing real-time transport control protocol to obtain an end-to-end encryption and security status of a communication session. The system collects real-time transport control protocol messages associated with a communication session, wherein the real-time transport control protocol messages are generated by devices in the communication session, and wherein the real-time transport control protocol messages include security information associated with the communication session. Then, based on the real-time transport control protocol messages, the system determines a security status associated with the communication session. The system can also generate an indication of the security status associated with the communication session. Further, the system can generate an indication of the security status of a communication session on a per participant basis.

摘要翻译： 这里公开了用于实现实时传输控制协议以获得通信会话的端到端加密和安全状态的系统，方法和非暂时的计算机可读存储介质。 系统收集与通信会话相关联的实时传输控制协议消息，其中实时传输控制协议消息由通信会话中的设备生成，并且其中实时传输控制协议消息包括与 沟通会话 然后，基于实时传输控制协议消息，系统确定与通信会话相关联的安全状态。 系统还可以生成与通信会话相关联的安全状态的指示。 此外，系统可以基于每个参与者生成通信会话的安全状态的指示。

公开(公告)号：US09178778B2

公开(公告)日：2015-11-03

申请号：US13485245

申请日：2012-05-31

申请人： Jean Meloche ,  Heinz Teutsch ,  Shalini Yajnik ,  Mehmet Balasaygun

发明人： Jean Meloche ,  Heinz Teutsch ,  Shalini Yajnik ,  Mehmet Balasaygun

IPC分类号： H04L12/26 ,  H04L12/24 ,  H04L29/06

CPC分类号： H04L41/5067 ,  H04L41/0681 ,  H04L41/5032 ,  H04L41/5035 ,  H04L43/06 ,  H04L43/0829 ,  H04L43/0852 ,  H04L43/087 ,  H04L43/12 ,  H04L65/608

摘要： Systems, methods, and non-transitory computer-readable storage media for implementing real-time transport control protocol (RTCP) to obtain end-to-end session information. The system receives an RTCP extension that is associated with an RTCP packet in a communication session. The RTCP extension may include an instruction for transmitting RTCP data based on a triggering event. The RTCP extension can be configured to propagate along the communication session. Next, in response to the triggering event, the system can transmit the RTCP data to an address defined by the instruction as a destination address for receiving information associated with the triggering event.

摘要翻译： 用于实现实时传输控制协议（RTCP）的系统，方法和非暂时的计算机可读存储介质来获得端对端会话信息。 系统在通信会话中接收与RTCP分组相关联的RTCP扩展。 RTCP扩展可以包括用于基于触发事件发送RTCP数据的指令。 可以将RTCP扩展配置为沿着通信会话传播。 接下来，响应于触发事件，系统可以将RTCP数据发送到由指令定义的地址作为用于接收与触发事件相关联的信息的目的地地址。

公开(公告)号：US09026654B2

公开(公告)日：2015-05-05

申请号：US11586709

申请日：2006-10-26

申请人： Jean Meloche ,  Shalini Yajnik ,  Parameshwaran Krishnan ,  Stanko Dimitrov ,  Colin L. Mallows ,  Jon Bentley

发明人： Jean Meloche ,  Shalini Yajnik ,  Parameshwaran Krishnan ,  Stanko Dimitrov ,  Colin L. Mallows ,  Jon Bentley

IPC分类号： G06F15/173 ,  H04L12/24 ,  H04L12/26

CPC分类号： H04L41/12 ,  H04L41/06 ,  H04L43/0811

摘要： Systems and methods for constructing and maintaining a peer-to-peer overlay graph are disclosed herein. The systems and methods include adding a node to the overlay graph. Adding the node includes choosing an edge that is not connected to the node, breaking the edge and connecting the node to broken edge nodes previously connected to the edge. The process is repeating if additional connections are need and node addition data is stored for the node.

摘要翻译： 本文公开了用于构建和维护对等覆盖图的系统和方法。 系统和方法包括将一个节点添加到重叠图。 添加节点包括选择未连接到节点的边缘，破坏边缘并将节点连接到先前连接到边缘的断裂边缘节点。 如果需要附加连接并且为节点存储节点添加数据，则该过程正在重复。

公开(公告)号：US08774368B2

公开(公告)日：2014-07-08

申请号：US13491940

申请日：2012-06-08

申请人： Jon L. Bentley ,  Anjur S. Krishnakumar ,  Shalini Yajnik

发明人： Jon L. Bentley ,  Anjur S. Krishnakumar ,  Shalini Yajnik

IPC分类号： H04M1/24 ,  H04M3/08 ,  H04M3/22

CPC分类号： H04M3/40 ,  H04M3/22 ,  H04M3/56 ,  H04M2203/1075

摘要： System and method are disclosed to mitigate noise in an area monitored by a plurality of telecommunication terminals in communication with a controller, the method including: detecting an excessive noise originating in the area monitored by the plurality of telecommunication terminals, the detection performed by one or more terminals of the plurality of telecommunication terminals; identifying a location of a first terminal of the plurality of telecommunication terminals by use of the detected excessive noise, wherein the first terminal is closest to a source of the excessive noise; and providing a mitigation message to the identified first terminal.

摘要翻译： 公开了系统和方法，以减轻与控制器通信的多个电信终端监控的区域中的噪声，所述方法包括：检测由多个电信终端监控的区域中产生的过多噪声， 多个电信终端的多个终端; 通过使用检测到的过多噪声识别多个电信终端的第一终端的位置，其中第一终端最接近于过度噪声源; 以及向所识别的第一终端提供缓解消息。

公开(公告)号：US20130190016A1

公开(公告)日：2013-07-25

申请号：US13354434

申请日：2012-01-20

申请人： Anjur S. Krishnakumar ,  Shalini Yajnik

发明人： Anjur S. Krishnakumar ,  Shalini Yajnik

IPC分类号： H04W4/02

CPC分类号： A63F13/216 ,  A63F13/31 ,  A63F13/355 ,  A63F13/79 ,  G06Q10/101 ,  G06Q50/00 ,  H04L67/12 ,  H04W4/043

摘要： Method and system to coordinate a virtual environment with a real environment, including: coupling a transceiver to a person; determining a position of the transceiver within the real environment by use of a position-determination module; and rendering the virtual environment to a user by use of a virtual environment server that is configured to determine a position of the transceiver. The method and system may further comprises a wormhole server configured to provide communication services between the user and the person.

摘要翻译： 将虚拟环境与真实环境协调的方法和系统，包括：将收发器耦合到人; 通过使用位置确定模块确定收发器在真实环境内的位置; 以及通过使用被配置为确定收发器的位置的虚拟环境服务器将虚拟环境呈现给用户。 该方法和系统可以进一步包括被配置为在用户和个人之间提供通信服务的虫洞服务器。