公开(公告)号：US06996618B2

公开(公告)日：2006-02-07

申请号：US09898807

申请日：2001-07-03

申请人： John G. Apostolopoulos ,  Sujoy Basu ,  Gene Cheung ,  Rajendra Kumar ,  Sumit Roy ,  Wai-tan Tan ,  Susie J. Wee ,  Tina Wong ,  Bo Shen

发明人： John G. Apostolopoulos ,  Sujoy Basu ,  Gene Cheung ,  Rajendra Kumar ,  Sumit Roy ,  Wai-tan Tan ,  Susie J. Wee ,  Tina Wong ,  Bo Shen

IPC分类号： G06F15/16

CPC分类号： H04W36/12 ,  H04L67/04 ,  H04L67/14 ,  H04L69/329

摘要： A method for handing off to a second server, in either a fixed or mobile streaming media system, a multiple description streaming session between a first server and either a fixed or mobile client. In one embodiment, the present invention recites selecting a second server to receive a handoff of a multiple description streaming media session between the first server and the client. In this embodiment, the multiple description streaming media session is comprised of a first multiple description bitstream and a second multiple description bitstream. The present embodiment further recites receiving at the second server, the second multiple description bitstream for streaming to the client. This embodiment further recites sending the second multiple description bitstream from the second server to the client.

摘要翻译： 一种在固定或移动流媒体系统中切换到第二服务器的方法，在第一服务器和固定或移动客户端之间的多描述流会话。 在一个实施例中，本发明阐述了选择第二服务器以接收第一服务器和客户端之间的多描述流媒体会话的切换。 在该实施例中，多描述流媒体会话由第一多重描述比特流和第二多个描述比特流组成。 本实施例进一步在第二服务器处接收第二多个描述比特流，以便流式传送到客户端。 该实施例进一步叙述将第二多重描述比特流从第二服务器发送到客户端。

公开(公告)号：US07200402B2

公开(公告)日：2007-04-03

申请号：US09898572

申请日：2001-07-03

申请人： John G. Apostolopoulos ,  Sujoy Basu ,  Gene Cheung ,  Rajendra Kumar ,  Sumit Roy ,  Wai-tan Tan ,  Susie J. Wee ,  Tina Wong ,  Bo Shen

发明人： John G. Apostolopoulos ,  Sujoy Basu ,  Gene Cheung ,  Rajendra Kumar ,  Sumit Roy ,  Wai-tan Tan ,  Susie J. Wee ,  Tina Wong ,  Bo Shen

IPC分类号： H04Q7/20

CPC分类号： H04W36/18 ,  H04B7/022 ,  H04L25/4919 ,  H04W36/08

摘要： A method for performing a soft-handoff in a mobile streaming media system, and a method for performing a hard-handoff in a mobile streaming media system are is disclosed. In the soft-handoff embodiment, the present invention detects that a channel quality between a mobile client and a first base station remains above a drop threshold and that a channel quality between the mobile client and a second base station increases from below to above an add threshold. The present embodiment then sends a first multiple description bitstream from the first base station to the mobile client and sends a complementary second multiple description bitstream from the second base station to the mobile client. This method thereby provides improved utilization of wireless bandwidth during soft-handoffs, in contrast to conventional systems where the same bitstream is transmitted from each base station. In both the cases of soft-handoffs and hard-handoffs, when a mobile client enters a cell whose base station has no free capacity, the base station may prevent call dropping by reducing the number of descriptions being served to the existing clients and thereby providing capacity (at least one description) for the new client. These methods provide improved utilization of wireless bandwidth during soft-handoffs, and reduced probability of service disruption during both soft-handoffs and hard-handoffs.

摘要翻译： 公开了一种用于在移动流媒体系统中执行软切换的方法，以及用于在移动流媒体系统中执行硬切换的方法。 在软切换实施例中，本发明检测到移动客户端与第一基站之间的信道质量保持高于丢弃阈值，并且移动客户端与第二基站之间的信道质量从下至上增加 阈。 本实施例然后将第一多个描述比特流从第一基站发送到移动客户端，并将互补的第二多个描述比特流从第二基站发送到移动客户端。 因此，与从每个基站发送相同比特流的常规系统相比，该方法从而提供了在软切换期间无线带宽的改进的利用。 在软切换和硬切换的情况下，当移动客户端进入其基站没有可用容量的小区时，基站可以通过减少向现有客户端提供的描述的数量来防止呼叫丢弃，从而提供 新客户端的容量（至少一个描述）。 这些方法在软切换期间提供了无线带宽的改进的利用，并且在软切换和硬切换期间降低了服务中断的概率。

公开(公告)号：US06941378B2

公开(公告)日：2005-09-06

申请号：US09898800

申请日：2001-07-03

申请人： John G. Apostolopoulos ,  Sujoy Basu ,  Gene Cheung ,  Rajendra Kumar ,  Sumit Roy ,  Wai-tan Tan ,  Susie J. Wee ,  Tina Wong ,  Bo Shen

发明人： John G. Apostolopoulos ,  Sujoy Basu ,  Gene Cheung ,  Rajendra Kumar ,  Sumit Roy ,  Wai-tan Tan ,  Susie J. Wee ,  Tina Wong ,  Bo Shen

IPC分类号： H04L12/56 ,  H04L29/06 ,  H04L29/08 ,  H04L29/14 ,  G06F15/16 ,  G06F15/173

CPC分类号： H04L65/4084 ,  H04L29/06027 ,  H04L65/607 ,  H04L69/329 ,  H04L69/40 ,  H04N21/23103 ,  H04N21/234327 ,  H04N21/234381 ,  H04N21/2662 ,  H04N21/41407 ,  H04W4/00 ,  H04W88/08

摘要： A method for assigning servers to provide multiple description bitstreams to a mobile client (in a mobile client environment) or to a fixed client (in a fixed client environment). In one embodiment, the present invention, upon receiving a request from a mobile client to have media data streamed thereto, analyzes a plurality of servers to determine a first candidate server for providing a first multiple description bitstream to the base station along a first path. The present method also determines a second candidate server for providing a second multiple description bitstream to the base station along a second path. The present method then sends a request to the first candidate server to provide the first multiple description bitstream to a mobile client through a base station along the first path, and also sends a request to the second candidate server to provide the second multiple description bitstream to the mobile client through the same base station along a second path. In another embodiment, there are two separate paths from two separate servers to two separate base stations and then from each base station there is a separate path to the mobile client. In still another embodiment, there are two paths from a single server to two separate base stations and then from each base station there is a separate path to the mobile client. In one fixed client embodiment, the present invention is able to assign a plurality of servers to provide a plurality of MD bitstreams to the fixed client.

摘要翻译： 一种用于分配服务器以向移动客户端（在移动客户端环境中）或固定客户端（在固定客户端环境中）提供多个描述比特流的方法。 在一个实施例中，本发明在从移动客户端接收到流媒体数据流的请求时分析多个服务器以确定第一候选服务器，用于沿着第一路径向基站提供第一多个描述比特流。 本方法还确定用于沿着第二路径向基站提供第二多描述比特流的第二候选服务器。 本方法然后向第一候选服务器发送请求，以通过沿着第一路径的基站向移动客户端提供第一多个描述比特流，并且还向第二候选服务器发送请求以将第二多个描述比特流提供给 移动客户端通过相同的基站沿着第二条路径。 在另一个实施例中，存在从两个分离的服务器到两个单独的基站的两个单独的路径，然后从每个基站到达移动客户端的单独的路径。 在另一个实施例中，存在从单个服务器到两个单独基站的两条路径，然后从每个基站到达移动客户端的单独路径。 在一个固定客户端实施例中，本发明能够分配多个服务器以向固定客户端提供多个MD比特流。

公开(公告)号：US06857047B2

公开(公告)日：2005-02-15

申请号：US10167358

申请日：2002-06-10

申请人： Sujoy Basu ,  Sumit Roy ,  Rajendra Kumar

发明人： Sujoy Basu ,  Sumit Roy ,  Rajendra Kumar

IPC分类号： G06F12/08 ,  G06F12/00

CPC分类号： G06F12/0866 ,  G06F2212/311 ,  G06F2212/401 ,  Y10S707/99942

摘要： A computer system is provided including a processor, a persistent storage device, and a main memory connected to the processor and the persistent storage device. The main memory includes a compressed cache for storing data retrieved from the persistent storage device after compression and an operating system. The operating system includes a plurality of interconnected software modules for accessing the persistent storage device and a filter driver interconnected between two of the plurality of software modules for managing memory capacity of the compressed cache and the buffer cache.

摘要翻译： 提供了一种包括处理器，持久存储设备和连接到处理器和永久存储设备的主存储器的计算机系统。 主存储器包括压缩缓存，用于存储在压缩之后从持久存储设备检索的数据和操作系统。 操作系统包括用于访问永久存储设备的多个互连的软件模块和在多个软件模块中的两个之间互连的用于管理压缩高速缓存和缓冲区高速缓存的存储器容量的过滤驱动器。

公开(公告)号：US06757735B2

公开(公告)日：2004-06-29

申请号：US09898643

申请日：2001-07-03

申请人： John G. Apostolopulos ,  Sujoy Basu ,  Gene Cheung ,  Raj Kumar ,  Sumit Roy ,  Bo Shen ,  Wai-Tian Tan ,  Susie J. Wee ,  Tina Wong

发明人： John G. Apostolopulos ,  Sujoy Basu ,  Gene Cheung ,  Raj Kumar ,  Sumit Roy ,  Bo Shen ,  Wai-Tian Tan ,  Susie J. Wee ,  Tina Wong

IPC分类号： G06F1516

CPC分类号： H04N7/17336 ,  G21C3/332 ,  G21C3/34 ,  G21Y2002/302 ,  H04L29/06027 ,  H04L65/607 ,  H04L67/04 ,  H04N21/222 ,  H04N21/234327 ,  H04N21/41407 ,  H04N21/6131 ,  H04W28/14 ,  Y02E30/40

摘要： A method and system for streaming media data to a fixed client and/or a mobile client. In one method embodiment, the present invention recites encoding media data to be streamed to a client into a first multiple description bitstream and into a second multiple description bitstream. The present method then determines the appropriate plurality of servers from a network of servers onto which the first and second multiple description bitstreams should be distributed. The present embodiment then recites distributing the first and second multiple description bitstreams to the appropriate plurality of servers positioned at intermediate nodes throughout a network such that a client is provided with access to the media data via a plurality of transmission paths. The present method is also well suited to redistribution of multiple description bitstreams to servers based upon time-varying demand, client movement, and the like.

摘要翻译： 一种用于将媒体数据流传输到固定客户端和/或移动客户端的方法和系统。 在一个方法实施例中，本发明将要流式传输到客户端的编码媒体数据描述为第一多重描述比特流并转换成第二多描述比特流。 本方法然后从应该分发第一和第二多个描述比特流的服务器网络中确定适当的多个服务器。 本实施例然后将第一和第二多个描述比特流分发到位于整个网络中的中间节点处的适当的多个服务器，从而经由多个传输路径向客户端提供对媒体数据的访问。 本方法还非常适合于基于时变需求，客户端移动等将多个描述比特流重新分配给服务器。

公开(公告)号：US06516397B2

公开(公告)日：2003-02-04

申请号：US09829496

申请日：2001-04-09

申请人： Sumit Roy ,  Rajendra Kumar ,  Milos Prvulovic ,  Kenneth Mark Wilson

发明人： Sumit Roy ,  Rajendra Kumar ,  Milos Prvulovic ,  Kenneth Mark Wilson

IPC分类号： G06F1200

CPC分类号： G06F12/08 ,  G06F12/12 ,  G06F2212/401

摘要： A method of operating a data processing system having a main memory divided into memory pages that are swapped into and out of main memory when the main memory becomes short. The data processing system has an operating system that sends page store commands specifying memory pages to be stored in a swap file and page retrieve commands specifying memory pages to be retrieved from the swap file and stored in the main memory. The present invention provides a swap driver that utilizes compression code for converting one of the memory pages that is to be swapped out of main memory to a compressed memory page. The data processing memory includes a compressed page region that is used to store the compressed memory pages. A page table in the compressed page region specifies the location of each compressed page and the page address corresponding to that page. The swap driver compresses at least one of the memory pages specified in one of the page store commands to provide a corresponding compressed memory page and causes that compressed memory page to be stored in the compressed page region. The swap driver also searches the page table for a page identified in one of the retrieve commands. The swap driver causes that page to be moved to a corresponding area of main memory after decompressing the page if the swap driver finds an entry in the page table indicating that the page is stored in the compressed page region.

公开(公告)号：US08463611B2

公开(公告)日：2013-06-11

申请号：US10965540

申请日：2004-10-13

申请人： Sumit Roy ,  Michael Harville ,  Michele Covell

发明人： Sumit Roy ,  Michael Harville ,  Michele Covell

IPC分类号： G10L13/08

CPC分类号： G10L13/08 ,  G10L15/065

摘要： Embodiments of the present invention recite a method and system for improving the fidelity of a dialog system. In one embodiment, a first input generated by a user of a first system operating in a first modality is accessed. In embodiments of the present invention, the first system also generates a first output corresponding to the first input. An second input from a second user, who is engaged in a conversation with the first user, is accessed by a second system. The second input is then utilized to modify the first output of the first system.

摘要翻译： 本发明的实施例背诵用于提高对话系统的保真度的方法和系统。 在一个实施例中，访问由第一模式操作的第一系统的用户生成的第一输入。 在本发明的实施例中，第一系统还产生对应于第一输入的第一输出。 来自与第一用户进行通话的第二用户的第二输入由第二系统访问。 然后利用第二输入来修改第一系统的第一输出。

公开(公告)号：US20120316689A1

公开(公告)日：2012-12-13

申请号：US13155707

申请日：2011-06-08

申请人： Ethan Clair Boardman ,  Sumit Roy ,  Subrahmanyam Saraswati Venkata

发明人： Ethan Clair Boardman ,  Sumit Roy ,  Subrahmanyam Saraswati Venkata

IPC分类号： G06F1/26

CPC分类号： H02J13/0079 ,  Y02B70/3216 ,  Y04S20/221

摘要： The subject specification comprises enhanced communication infrastructure for a multi-tier hierarchical smart distribution grid (SDG). The SDG comprises a specified number of distribution network node controller (DNNC) components employed to desirably control communications and power distribution between respective tiers of the SDG to facilitate efficient power distribution. When communication between the a DNNC in one tier and another DNNC in another tier, is desired, the DNNC can identify available communication channels and respective communication conditions of the available communication channels, and can dynamically select a subset of available data and preferred communication channel, based at least in part on predefined control criteria, to control data transmission loads in the network and facilitate real time control of the SDG. Data can be communicated via the selected communication channel. Respective DNNCs can desirably control power distribution for respective tiers, minimizing upper tier involvement in lower tier power distribution.

摘要翻译： 主题规范包括用于多层分层智能配电网（SDG）的增强的通信基础设施。 SDG包括指定数目的分配网络节点控制器（DNNC）组件，用于期望控制SDG的各个层之间的通信和功率分配，以便于有效的功率分配。 当需要一层DNNC和另一层DNNC之间的通信时，DNNC可以识别可用通信信道的可用通信信道和相应的通信条件，并且可以动态地选择可用数据和优选通信信道的子集， 至少部分地基于预定义的控制标准来控制网络中的数据传输负载并且促进SDG的实时控制。 可以通过所选择的通信信道来传送数据。 各个DNNC可以期望地控制各层的配电，从而最大限度地降低下层电力分配的上层参与。

公开(公告)号：US08144613B2

公开(公告)日：2012-03-27

申请号：US12467919

申请日：2009-05-18

申请人： Sumit Roy ,  Rohit Gupta

发明人： Sumit Roy ,  Rohit Gupta

IPC分类号： H04L12/26

CPC分类号： H04W28/18 ,  H04L47/14 ,  H04W24/10 ,  H04W48/16 ,  H04W74/0808 ,  H04W84/12

摘要： Examples of achieving quality of service in a wireless local area network via meeting communication channel performance criteria to include a minimum signal-to-noise plus interference ratio and a proportional fairness limit are disclosed.

摘要翻译： 公开了通过满足通信信道性能标准在无线局域网中实现服务质量以包括最小信噪比加干扰比和比例公平限制的示例。

公开(公告)号：US07643422B1

公开(公告)日：2010-01-05

申请号：US11389401

申请日：2006-03-24

申请人： Michele Covell ,  Sumit Roy ,  Bo Shen

发明人： Michele Covell ,  Sumit Roy ,  Bo Shen

IPC分类号： H04L12/26

CPC分类号： H04L65/4092 ,  H04L65/602 ,  H04L65/607 ,  H04N21/234381 ,  H04N21/6131 ,  H04N21/6373 ,  H04N21/6377 ,  H04N21/658 ,  H04N21/6587

摘要： Embodiments of the present invention recited a method and system for modifying a media stream. In one embodiment, a request is received to modify a media stream from a current display rate to a desired display rate. In response to the request, the media stream dynamically processed to create a modified media stream which is compliant with a pre-determined frame-rate limitation and with a pre-determined bit-rate limitation.

摘要翻译： 本发明的实施例列举了用于修改媒体流的方法和系统。 在一个实施例中，接收到将媒体流从当前显示速率修改到期望显示速率的请求。 响应于该请求，动态地处理媒体流以创建符合预定帧速率限制并且具有预定比特率限制的修改的媒体流。