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1. 发明申请

US20100034089A1 Content Caching in the Radio Access Network (RAN) 有权
标题翻译：无线电接入网（RAN）中的内容缓存
公开(公告)号：US20100034089A1
公开(公告)日：2010-02-11
申请号：US12536537
申请日：2009-08-06
申请人： Surya Kumar Kovvali , Ramji Raghavan , Krishnan Ramakrishnan
发明人： Surya Kumar Kovvali , Ramji Raghavan , Krishnan Ramakrishnan
IPC分类号： H04W16/00 , G06F11/00
CPC分类号： H04W28/0231 , H04L67/28 , H04L67/2819 , H04L67/2842 , H04L67/2847 , H04L67/2861 , H04L67/2866 , H04L67/289
摘要： A system and method to intercept traffic at standard interface points as defined by Cellular/Wireless networks (GSM/GPRS, 3G/UMTS/HSDPA/HSUPA, CDMA, WIMAX, LTE), emulate the respective protocols on either side of the interception point, extract user/application payloads within the intercepted packets, perform optimizations, and re-encapsulate with the same protocol, and deliver the content transparently is disclosed. The optimizations include but are not limited to Content Caching, prediction & pre-fetching of frequently used content, performance of content-aware transport optimizations (TCP, UDP, RTP etc.) for reducing back-haul bandwidth, and improvement of user experience. An additional embodiment of the current invention includes injecting opportunistic content (location based, profile based or advertisement content) based on the information derived while monitoring control plane protocols.
摘要翻译：在蜂窝/无线网络（GSM / GPRS，3G / UMTS / HSDPA / HSUPA，CDMA，WIMAX，LTE）定义的标准接口点拦截流量的系统和方法模拟拦截点两侧各自的协议，在截取的数据包中提取用户/应用程序有效负载，执行优化，并使用相同的协议进行重新封装，并透明披露内容。优化包括但不限于内容缓存，频繁使用内容的预取和预取，内容感知传输优化（TCP，UDP，RTP等）的性能，用于减少后向带宽和改善用户体验。本发明的另一实施例包括基于在监视控制平面协议时导出的信息来注入机会内容（基于位置，基于简档或广告内容）。

2. 发明授权

US08576744B2 Content caching in the Radio Access Network (RAN) 有权
标题翻译：无线电接入网（RAN）中的内容缓存
公开(公告)号：US08576744B2
公开(公告)日：2013-11-05
申请号：US13339629
申请日：2011-12-29
申请人： Surya Kumar Kovvali , Ramji Raghavan , Krishnan Ramakrishnan
发明人： Surya Kumar Kovvali , Ramji Raghavan , Krishnan Ramakrishnan
IPC分类号： H04J1/16 , H04J3/16 , H04L12/28
CPC分类号： H04W28/0231 , H04L67/28 , H04L67/2819 , H04L67/2842 , H04L67/2847 , H04L67/2861 , H04L67/2866 , H04L67/289
摘要： A system and method to intercept traffic at standard interface points as defined by Cellular/Wireless networks (GSM/GPRS, 3G/UMTS/HSDPA/HSUPA, CDMA, WIMAX, LTE), emulate the respective protocols on either side of the interception point, extract user/application payloads within the intercepted packets, perform optimizations, and re-encapsulate with the same protocol, and deliver the content transparently is disclosed. The optimizations include but are not limited to Content Caching, prediction & pre-fetching of frequently used content, performance of content-aware transport optimizations (TCP, UDP, RTP etc.) for reducing back-haul bandwidth, and improvement of user experience. An additional embodiment of the current invention includes injecting opportunistic content (location based, profile based or advertisement content) based on the information derived while monitoring control plane protocols.
摘要翻译：在蜂窝/无线网络（GSM / GPRS，3G / UMTS / HSDPA / HSUPA，CDMA，WIMAX，LTE）定义的标准接口点拦截流量的系统和方法模拟拦截点两侧各自的协议，在截取的数据包中提取用户/应用程序有效负载，执行优化，并使用相同的协议进行重新封装，并透明披露内容。优化包括但不限于内容缓存，频繁使用内容的预取和预取，内容感知传输优化（TCP，UDP，RTP等）的性能，用于减少后向带宽和改善用户体验。本发明的另一实施例包括基于在监视控制平面协议时导出的信息来注入机会内容（基于位置，基于简档或广告内容）。

3. 发明申请

US20110116460A1 BURST PACKET SCHEDULER FOR IMPROVED RAN EFFICIENCY IN UMTS/HSPA NETWORKS 有权
标题翻译：用于在UMTS / HSPA网络中提高RAN效率的BURST分组调度器
公开(公告)号：US20110116460A1
公开(公告)日：2011-05-19
申请号：US12942913
申请日：2010-11-09
申请人： Surya Kumar Kovvali , Ramakrishnan Krishnan , Ramji Raghavan , Ronald M. Parker
发明人： Surya Kumar Kovvali , Ramakrishnan Krishnan , Ramji Raghavan , Ronald M. Parker
IPC分类号： H04W72/12
CPC分类号： H04L47/6265 , H04L1/0026 , H04L47/14 , H04L47/621 , H04W72/1231 , H04W72/1257
摘要： A method of generating optimal packet workload for achieving a balance between maximizing cell throughput and fairness across multiple users in UMTS/HSPA Network is disclosed. The packet scheduler of the current invention enhances the performance of other schedulers, such as Proportionally Fair Scheduler in NodeB and RNC in UMTS/HSPA Networks by monitoring recent RAN bandwidth to each mobile device, and increasing buffer occupancy of high rate data-flows in the RAN devices. The scheduler uses the desired performance goals of maximum cell throughput and fairness at various network congestion levels, and controls egress burst rate while delivering packets to the RAN (Radio Access Network).
摘要翻译：公开了一种生成最佳分组工作负载以在UMTS / HSPA网络中跨多个用户最大化小区吞吐量和公平性之间实现平衡的方法。本发明的分组调度器通过监测每个移动设备的最新RAN带宽来增强其他调度器的性能，例如在UMTS / HSPA网络中的节点B和RNC中的比例平均调度器，以及增加在高速率数据流中的缓冲器占用 RAN设备。调度器在各种网络拥塞级别使用最大小区吞吐量和公平性所需的性能目标，并且在将分组递送到RAN（无线电接入网络）的同时控制出口突发速率。

4. 发明授权

US07085293B2 Scaleable transport of TDM channels in a synchronous frame 失效
公开(公告)号：US07085293B2
公开(公告)日：2006-08-01
申请号：US09858019
申请日：2001-05-15
申请人： Ramji Raghavan , Surya Kumar Kovvali
发明人： Ramji Raghavan , Surya Kumar Kovvali
IPC分类号： H04L12/28
CPC分类号： H04L43/18 , H04J3/085 , H04J3/1611 , H04J2203/0083 , H04J2203/0089 , H04L41/0896
摘要： A method and system for processing communication at a node in a communication system makes use a series of fixed-length data frames in which multiple data streams are multiplexed. Each of the data streams originates from a corresponding source of data in the communication system, and least two of the data streams originate from a same source of data. For each of the series of fixed-length frames that are processed at a node, multiple offsets within the fixed-length frame are identified, each of these offsets being associated with a different one of the sources of data. The data streams which are multiplexed in the series of fixed-length frames are then processed. For each of the data streams, in each of the series of fixed-length frames, that data stream is processed according to the offset identified for that frame that is associated with the source of that data stream. The approach is applicable to SONET communication in which multiple data streams are multiplexed in a series of synchronous payload envelopes (SPEs), and data encoded in each SPE identifies offsets that characterize displacements, such as row offsets, in the SPE that are each associated with a different source node in the SONET network. An advantage of this approach is that pointer processing scales approximately according to the number of nodes in the system rather than to the number of channels being processed.

5. 发明授权

US06920113B1 Transport of iscochronous and bursty data on a sonet ring 有权
标题翻译：在sonet环上传输同步和突发数据
公开(公告)号：US06920113B1
公开(公告)日：2005-07-19
申请号：US09536416
申请日：2000-03-28
申请人： Surya Kumar Kovvali , Ramji Raghavan
发明人： Surya Kumar Kovvali , Ramji Raghavan
IPC分类号： H04J3/00 , H04J3/08 , H04J3/16 , H04Q11/04 , H04L12/28
CPC分类号： H04J3/1611 , H04J3/085 , H04J3/1682 , H04J2203/0083 , H04J2203/0089
摘要： A method and apparatus for using SONET technology to efficiently carry both data and voice traffic by Add/Drop Multiplexing of both isochronous traffic, such as voice and video, and non-isochronous traffic, such as data, in a SONET/SDH fiber-optic ring topology. A portion of a SONET/SDH frame structure (STS-1, STM-1 etc.) is shared by a number of nodes connected to an optical SONET/SDH ring (either directly or sitting behind a SONET/ADM). The inherent column structure of the SONET/SDH frame is used define dynamic channels (flexible bandwidth channels) between the nodes. Each dynamic channel can be assigned a priority and optionally a minimum bandwidth. The channel to column mapping is varied dynamically for data traffic by a centralized bandwidth manager which serves as an arbiter for requests for bandwidth. Both isochronous traffic and best effort data traffic may be carried in an STS-1 frame thereby allowing over-subscribing and statistical multiplexing of data channels over the unassigned portion of the STS-1 frame.
摘要翻译：一种SONET技术的方法和装置，用于通过SONET / SDH光纤中的诸如语音和视频等等时业务和诸如数据的非等时业务的分插复用来有效地携带数据和话音业务。环形拓扑。 SONET / SDH帧结构（STS-1，STM-1等）的一部分由连接到光SONET / SDH环（直接或位于SONET / ADM后面）的多个节点共享。使用SONET / SDH帧的固有列结构定义节点之间的动态信道（灵活带宽信道）。每个动态通道可以被分配优先级和可选的最小带宽。通过集中带宽管理器为数据流量动态变化列映射的通道，该集中带宽管理器用作用于带宽请求的仲裁器。同步业务和尽力而为数据业务都可以在STS-1帧中承载，从而允许通过STS-1帧的未分配部分的数据信道的超订阅和统计复用。

6. 发明申请

US20120099533A1 Content Caching in the Radio Access Network (RAN) 有权
标题翻译：无线电接入网（RAN）中的内容缓存
公开(公告)号：US20120099533A1
公开(公告)日：2012-04-26
申请号：US13339629
申请日：2011-12-29
申请人： Surya Kumar Kovvali , Ramji Raghavan , Krishnan Ramakrishnan
发明人： Surya Kumar Kovvali , Ramji Raghavan , Krishnan Ramakrishnan
IPC分类号： H04W16/00 , H04W4/00
CPC分类号： H04W28/0231 , H04L67/28 , H04L67/2819 , H04L67/2842 , H04L67/2847 , H04L67/2861 , H04L67/2866 , H04L67/289
摘要： A system and method to intercept traffic at standard interface points as defined by Cellular/Wireless networks (GSM/GPRS, 3G/UMTS/HSDPA/HSUPA, CDMA, WIMAX, LTE), emulate the respective protocols on either side of the interception point, extract user/application payloads within the intercepted packets, perform optimizations, and re-encapsulate with the same protocol, and deliver the content transparently is disclosed. The optimizations include but are not limited to Content Caching, prediction & pre-fetching of frequently used content, performance of content-aware transport optimizations (TCP, UDP, RTP etc.) for reducing back-haul bandwidth, and improvement of user experience. An additional embodiment of the current invention includes injecting opportunistic content (location based, profile based or advertisement content) based on the information derived while monitoring control plane protocols.
摘要翻译：在蜂窝/无线网络（GSM / GPRS，3G / UMTS / HSDPA / HSUPA，CDMA，WIMAX，LTE）定义的标准接口点拦截流量的系统和方法模拟拦截点两侧各自的协议，在截取的数据包中提取用户/应用程序有效负载，执行优化，并使用相同的协议进行重新封装，并透明披露内容。优化包括但不限于内容缓存，频繁使用内容的预取和预取，内容感知传输优化（TCP，UDP，RTP等）的性能，用于减少后向带宽和改善用户体验。本发明的另一实施例包括基于在监视控制平面协议时导出的信息来注入机会内容（基于位置，基于简档或广告内容）。

7. 发明申请

US20100195602A1 Application, Usage & Radio Link Aware Transport Network Scheduler 有权
标题翻译：应用，使用和无线链路感知传输网络调度程序
公开(公告)号：US20100195602A1
公开(公告)日：2010-08-05
申请号：US12696378
申请日：2010-01-29
申请人： Surya Kumar Kovvali , Ramji Raghavan , Krishnan Ramakrishnan , Ronald Parker , Christopher Leary , Charles W. Boyle , Nizar K. Purayil
发明人： Surya Kumar Kovvali , Ramji Raghavan , Krishnan Ramakrishnan , Ronald Parker , Christopher Leary , Charles W. Boyle , Nizar K. Purayil
IPC分类号： H04W72/04
CPC分类号： H04L47/25 , H04L67/325 , H04W28/0205 , H04W72/1236
摘要： A packet scheduling method and apparatus with the knowledge of application behavior, anticipated usage/behavior based on the type of content, and underlying transport conditions during the time of delivery, is disclosed. This type of scheduling is applicable to a content server or a transit network device in wireless (e.g., 3G, WIMAX, LTE, WIFI) or wire-line networks. Methods for identifying or estimating rendering times of multi-media objects, segmenting a large media content, and automatically pausing or delaying delivery are disclosed. The scheduling reduces transit network bandwidth wastage, and facilitates optimal sharing of network resources such as in a wireless network.
摘要翻译：公开了一种具有应用行为知识，基于内容类型的预期使用/行为以及传送时的基础传输条件的分组调度方法和装置。这种类型的调度适用于无线（例如，3G，WIMAX，LTE，WIFI）或有线网络中的内容服务器或中转网络设备。公开了用于识别或估计多媒体对象的渲染时间，分割大型媒体内容以及自动暂停或延迟传送的方法。该调度减少了传输网络带宽浪费，并且促进了诸如无线网络中的网络资源的最佳共享。

8. 发明授权

US08755405B2 Burst packet scheduler for improved ran efficiency in UMTS/HSPA networks 有权
标题翻译：突发分组调度器，用于提高UMTS / HSPA网络的运行效率
公开(公告)号：US08755405B2
公开(公告)日：2014-06-17
申请号：US12942913
申请日：2010-11-09
申请人： Surya Kumar Kovvali , Ramakrishnan Krishnan , Ramji Raghavan , Ronald M. Parker
发明人： Surya Kumar Kovvali , Ramakrishnan Krishnan , Ramji Raghavan , Ronald M. Parker
IPC分类号： H04J3/16
CPC分类号： H04L47/6265 , H04L1/0026 , H04L47/14 , H04L47/621 , H04W72/1231 , H04W72/1257
摘要： A method of generating optimal packet workload for achieving a balance between maximizing cell throughput and fairness across multiple users in UMTS/HSPA Network is disclosed. The packet scheduler of the current invention enhances the performance of other schedulers, such as Proportionally Fair Scheduler in NodeB and RNC in UMTS/HSPA Networks by monitoring recent RAN bandwidth to each mobile device, and increasing buffer occupancy of high rate data-flows in the RAN devices. The scheduler uses the desired performance goals of maximum cell throughput and fairness at various network congestion levels, and controls egress burst rate while delivering packets to the RAN (Radio Access Network).
摘要翻译：公开了一种生成最佳分组工作负载以在UMTS / HSPA网络中跨多个用户最大化小区吞吐量和公平性之间实现平衡的方法。本发明的分组调度器通过监测每个移动设备的最新RAN带宽来增强其他调度器的性能，例如在UMTS / HSPA网络中的节点B和RNC中的比例平均调度器，以及增加在高速率数据流中的缓冲器占用 RAN设备。调度器在各种网络拥塞级别使用最大小区吞吐量和公平性所需的性能目标，并且在将分组递送到RAN（无线电接入网络）的同时控制出口突发速率。

9. 发明授权

US08717890B2 Application, usage and radio link aware transport network scheduler 有权
标题翻译：应用，使用和无线链路感知传输网络调度程序
公开(公告)号：US08717890B2
公开(公告)日：2014-05-06
申请号：US12696378
申请日：2010-01-29
申请人： Surya Kumar Kovvali , Ramji Raghavan , Krishnan Ramakrishnan , Ronald Parker , Christopher Leary , Charles W. Boyle , Nizar K. Purayil
发明人： Surya Kumar Kovvali , Ramji Raghavan , Krishnan Ramakrishnan , Ronald Parker , Christopher Leary , Charles W. Boyle , Nizar K. Purayil
IPC分类号： H04L1/00 , H04L12/26 , H04L12/28 , G01R31/08 , G06F11/00
CPC分类号： H04L47/25 , H04L67/325 , H04W28/0205 , H04W72/1236
摘要： A packet scheduling method and apparatus with the knowledge of application behavior, anticipated usage/behavior based on the type of content, and underlying transport conditions during the time of delivery, is disclosed. This type of scheduling is applicable to a content server or a transit network device in wireless (e.g., 3G, WIMAX, LTE, WIFI) or wire-line networks. Methods for identifying or estimating rendering times of multi-media objects, segmenting a large media content, and automatically pausing or delaying delivery are disclosed. The scheduling reduces transit network bandwidth wastage, and facilitates optimal sharing of network resources such as in a wireless network.
摘要翻译：公开了一种具有应用行为知识，基于内容类型的预期使用/行为以及传送时的基础传输条件的分组调度方法和装置。这种类型的调度适用于无线（例如，3G，WIMAX，LTE，WIFI）或有线网络中的内容服务器或中转网络设备。公开了用于识别或估计多媒体对象的渲染时间，分割大型媒体内容以及自动暂停或延迟传送的方法。该调度减少了传输网络带宽浪费，并且促进了诸如无线网络中的网络资源的最佳共享。

10. 发明授权

US08111630B2 Content caching in the radio access network (RAN) 有权
标题翻译：无线接入网（RAN）中的内容缓存
公开(公告)号：US08111630B2
公开(公告)日：2012-02-07
申请号：US12536537
申请日：2009-08-06
申请人： Surya Kumar Kovvali , Ramji Raghavan , Krishnan Ramakrishnan
发明人： Surya Kumar Kovvali , Ramji Raghavan , Krishnan Ramakrishnan
IPC分类号： H04J1/16 , H04J3/16 , H04L12/28
CPC分类号： H04W28/0231 , H04L67/28 , H04L67/2819 , H04L67/2842 , H04L67/2847 , H04L67/2861 , H04L67/2866 , H04L67/289
摘要： A system and method to intercept traffic at standard interface points as defined by Cellular/Wireless networks (GSM/GPRS, 3G/UMTS/HSDPA/HSUPA, CDMA, WIMAX, LTE), emulate the respective protocols on either side of the interception point, extract user/application payloads within the intercepted packets, perform optimizations, and re-encapsulate with the same protocol, and deliver the content transparently is disclosed. The optimizations include but are not limited to Content Caching, prediction & pre-fetching of frequently used content, performance of content-aware transport optimizations (TCP, UDP, RTP etc.) for reducing back-haul bandwidth, and improvement of user experience. An additional embodiment of the current invention includes injecting opportunistic content (location based, profile based or advertisement content) based on the information derived while monitoring control plane protocols.
摘要翻译：在蜂窝/无线网络（GSM / GPRS，3G / UMTS / HSDPA / HSUPA，CDMA，WIMAX，LTE）定义的标准接口点拦截流量的系统和方法模拟拦截点两侧各自的协议，在截取的数据包中提取用户/应用程序有效负载，执行优化，并使用相同的协议进行重新封装，并透明披露内容。优化包括但不限于内容缓存，频繁使用内容的预取和预取，内容感知传输优化（TCP，UDP，RTP等）的性能，用于减少后向带宽和改善用户体验。本发明的另一实施例包括基于在监视控制平面协议时导出的信息来注入机会内容（基于位置，基于简档或广告内容）。

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