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    • 5. 发明授权
    • Bandwidth guaranteed provisioning in network-based mobile virtual private network (VPN) services
    • 基于网络的移动虚拟专用网(VPN)服务中带宽保证配置
    • US07756042B2
    • 2010-07-13
    • US10772080
    • 2004-02-04
    • Katherine H. GuoSarit MukherjeeSanjoy PaulSampath Rangarajan
    • Katherine H. GuoSarit MukherjeeSanjoy PaulSampath Rangarajan
    • H04L12/28H04W40/00G06F9/00G06F17/00
    • H04L12/287H04L12/2859H04L12/4641H04L63/0272H04W40/02
    • A method and virtual private network (VPN) system for providing bandwidth guaranteed provisioning in network-based mobile VPN services. The method and system include identifying a set of VPN customers, at least one mobile access point (MAP) and at least one customer premise equipment (CPE) associated with each VPN customer, and at least one Internet Protocol (IP) service gateway (IPSG) for facilitating VPN tunneling between a MAP and a CPE, wherein each MAP is geographically remote from each IPSG. A subset of IPSGs is selected to maximize total profit resulting from provisioning a subset of VPN customers on the selected IPSGs. Total profit from all the customers includes the sum of profits from each customer, where for each customer, the customer profit equals weighted revenue less cost, wherein the cost per customer includes a total tunnel bandwidth cost from the MAP to the CPE, and a cost of provisioning an IPSG node.
    • 一种用于在基于网络的移动VPN服务中提供带宽保证提供的方法和虚拟专用网(VPN)系统。 该方法和系统包括识别一组VPN客户,至少一个移动接入点(MAP)和与每个VPN客户相关联的至少一个客户驻地设备(CPE)以及至少一个因特网协议(IP)服务网关(IPSG) ),用于促进MAP和CPE之间的VPN隧道,其中每个MAP在地理上远离每个IPSG。 选择IPSG的一个子集,以最大限度地利用在所选择的IPSG上配置VPN客户的子集而产生的总利润。 所有客户的总利润包括每个客户的利润总额,每个客户的利润,客户利润等于加权收入减去成本,其中每个客户的成本包括从MAP到CPE的总隧道带宽成本,以及成本 配置IPSG节点。
    • 6. 发明申请
    • APPARATUS AND METHOD FOR FAIR MESSAGE EXCHANGES IN DISTRIBUTED MULTI-PLAYER GAMES
    • 分布式多玩家游戏中的公开消息交换的装置和方法
    • US20090291763A1
    • 2009-11-26
    • US12478130
    • 2009-06-04
    • Katherine H. GuoSarit MukherjeeSanjoy PaulSampath Rangarajan
    • Katherine H. GuoSarit MukherjeeSanjoy PaulSampath Rangarajan
    • G06F17/00
    • A63F13/358A63F13/12A63F2300/534G07F17/32G07F17/3269H04L29/08H04L67/10H04L67/12H04L67/322H04L67/325H04L69/329
    • The Fair-Order Service of the present invention delivers action messages to the server as soon as it is feasible. Because action messages from different players exhibit different reaction times with respect to an update message, the Fair-Ordering Service executed at the server dynamically enforces a sufficient waiting period on each action message to guarantee the fair processing of all action messages. In reality, the waiting period at the server is bounded because of the real-time nature of interactive games. The algorithms that offer Fair Ordering Service take into consideration delayed and out-of-order action messages. When action messages corresponding to multiple update messages are interleaved, the Fair-Ordering Service matches the action message to the appropriate update message. It accomplishes this by maintaining a window of update messages and using the reaction times for an action message for each of the update messages in the window. This enables state changes at the game server to be performed with fairness to all the players. The Fair-Order Service invention is based on a framework that uses a proxy architecture making it transparent to any specific game application. The service is well suited to client-server based, online multi-player games, where a fair order of player actions is critical to the game outcome.
    • 本发明的公平订购服务在可行时尽快向服务器发送动作消息。 由于来自不同玩家的动作消息对于更新消息表现出不同的反应时间,所以在服务器处执行的公正排序服务动态地对每个动作消息执行足够的等待时间,以保证所有动作消息的公平处理。 实际上,由于互动游戏的实时性,服务器的等待时间是有限的。 提供公平订购服务的算法考虑到延迟和无序操作消息。 当与多个更新消息相对应的动作消息被交织时,Fair-Ordering Service将动作消息与适当的更新消息相匹配。 它通过维护更新消息窗口并使用窗口中的每个更新消息的动作消息的反应时间来实现。 这使得游戏服务器上的状态改变能够对所有玩家公平地执行。 公平订单服务发明基于使用代理架构使其对任何特定游戏应用程序透明化的框架。 该服务非常适合基于客户端服务器的在线多玩家游戏,其中玩家动作的公平顺序对于游戏结果至关重要。
    • 8. 发明申请
    • Method and apparatus for overlay-based enhanced TV service to 3G wireless handsets
    • 用于基于覆盖的增强型电视服务到3G无线手机的方法和装置
    • US20080002021A1
    • 2008-01-03
    • US11479449
    • 2006-06-30
    • Katherine H. GuoArun N. NetravaliKrishan K. Sabnani
    • Katherine H. GuoArun N. NetravaliKrishan K. Sabnani
    • H04N5/38
    • H04H60/91H04H60/39H04H60/74H04N21/41407H04N21/4722H04N21/6112H04N21/6131H04N21/6181H04N21/64315
    • The present invention is directed to a new approach to enhance existing TV service on mobile phones. In addition to the video streams for TV programs carried over multicast or broadcast channel, a unicast channel is setup for each user to provide content that is interactive and less bandwidth intensive than the video stream for the TV program. Such interactive content could include TV guide, bios for cast members and vote casting for popular TV shows such as “American Idol”. The invention includes a method of providing enhanced content information to a mobile device capable of receiving TV programming, the mobile device having a GUI included therein for displaying the enhanced content information and transmitting information from said mobile device related to the enhanced content. The method comprises the steps of providing a unicast channel to said mobile device and transmitting the enhanced content via said unicast channel, the enhanced content related to a TV program being viewed on said mobile device. A mobile apparatus for providing enhanced content information related to TV programming being received thereon is also disclosed. The apparatus includes a processor for providing capability to process the TV programming being received and a GUI for displaying the enhanced content information and enabling transmitting information from the mobile apparatus related to said enhanced content, wherein the enhanced content information is provided via a unicast channel to the mobile apparatus and the TV programming is provided by a broadcast channel.
    • 本发明涉及一种用于增强移动电话上的现有TV服务的新方法。 除了通过多播或广播频道携带的电视节目的视频流之外,为每个用户设置单播信道,以提供与TV节目的视频流相互交互且带宽密集的内容。 这样的互动内容可以包括电视指南,演员成员和投票流行电视节目,如“美国偶像”。 本发明包括一种向能够接收电视节目的移动设备提供增强内容信息的方法,该移动设备具有包含在其中的GUI,用于显示增强的内容信息并从与所述增强内容相关的所述移动设备发送信息。 该方法包括以下步骤:向所述移动设备提供单播信道,并且经由所述单播信道发送所述增强内容,所述增强内容与在所述移动设备上正在观看的电视节目有关。 还公开了一种用于提供与其上接收的TV节目有关的增强内容信息的移动装置。 该装置包括:处理器,用于提供处理正在接收的TV节目的能力;以及GUI,用于显示增强的内容信息,以及能够从与所述增强内容相关的移动装置发送信息,其中增强的内容信息经由单播信道被提供给 移动装置和电视节目由广播频道提供。
    • 9. 发明授权
    • Method and system for data layout and replacement in distributed streaming caches on a network
    • 网络中分布式流缓存中数据布局和替换的方法和系统
    • US07085843B2
    • 2006-08-01
    • US09823053
    • 2001-03-30
    • Milind M. BuddhikotKatherine H. GuoSubhash SuriYoungsu Chae
    • Milind M. BuddhikotKatherine H. GuoSubhash SuriYoungsu Chae
    • G06F15/16
    • H04N21/23113H04N7/17354H04N21/2225H04N21/23106H04N21/2408H04N21/6125H04N21/8456
    • A system and method for segmenting, distributing and replacing streaming multimedia clips in a network system including at least one origin server connected to a plurality of streaming caches via an interactive distribution network, such as the Internet. The at least one origin server stores a plurality of streaming multimedia clips in an associated memory and segments the clips into a plurality of data segment of exponentially increasing size; the origin server then distributes the plurality of data segments to the plurality of streaming caches where each streaming cache decides whether to store or discard each segment in accordance with a predefined probability. Another aspect of the invention involves replacing stored data segments at each of the plurality of streaming caches as needed. In one embodiment, a hotness rating is computed for each streaming multimedia clip stored in an SC. Clips are replaced as needed based on their hotness rating relative to other clips. In a second embodiment, a potential function is computed for each segment stored in an SC. Segments are replaced as needed based on their potential function value relative to other stored segments.
    • 一种在网络系统中分段,分发和替换流式多媒体剪辑的系统和方法,所述网络系统包括经由诸如因特网的交互式分发网络连接到多个流式缓存的至少一个原始服务器。 至少一个原始服务器将多个流媒体剪辑存储在相关联的存储器中,并将剪辑分割成指数增长大小的多个数据段; 原始服务器然后将多个数据段分配到多个流缓存,其中每个流缓存根据预定概率决定是存储还是丢弃每个段。 本发明的另一方面涉及根据需要在多个流缓存中的每一个处替换存储的数据段。 在一个实施例中,针对存储在SC中的每个流式多媒体剪辑计算热度等级。 基于相对于其他夹子的热度等级,根据需要替换夹子。 在第二实施例中,针对存储在SC中的每个片段计算潜在函数。 根据其相对于其他存储段的潜在功能值,根据需要更换段。
    • 10. 发明授权
    • Method and apparatus for multicast scheduling in wireless networks
    • 无线网络中组播调度的方法和装置
    • US09107236B2
    • 2015-08-11
    • US11744531
    • 2007-05-04
    • Katherine H. GuoArun N. NetravaliKrishan K. Sabnani
    • Katherine H. GuoArun N. NetravaliKrishan K. Sabnani
    • H04J3/26H04W72/12H04L12/54H04L12/801H04L12/927H04L12/911H04W28/22H04W72/00H04W84/04
    • H04W72/1257H04L47/10H04L47/70H04L47/806H04L47/824H04W28/22H04W72/005H04W84/042
    • The invention includes a method and apparatus for scheduling multicast transmissions in a wireless network by selecting one of a plurality of multicast groups of a cellular region that is permitted to transmit information during a current timeslot. A method includes receiving data rate request values from wireless user terminals of each of a plurality of multicast groups, assigning a data rate to each multicast group using the data rate request values of wireless user terminals belonging to the respective multicast groups, selecting one of the multicast groups using the assigned data rates, and transmitting information to the selected one of the multicast groups at the associated assigned data rate. In one embodiment, the multicast scheduling algorithm may be a multicast proportional fairness (MPF) scheduling algorithm which attempts to maximize utility value of data received by individual users. In one embodiment, the multicast scheduling algorithm may be an inter-group proportional fairness (IPF) scheduling algorithm which attempts to maximize utility value of data received by multicast groups.
    • 本发明包括一种方法和装置,用于通过选择允许在当前时隙中发送信息的蜂窝区域的多个多播组中的一个来调度无线网络中的多播传输。 一种方法包括从多个多播组中的每一个的无线用户终端接收数据速率请求值,使用属于各个多播组的无线用户终端的数据速率请求值向每个多播组分配数据速率, 使用分配的数据速率的多播组,并且以相关联的分配数据速率将信息发送到所选择的一个多播组。 在一个实施例中,多播调度算法可以是尝试最大化由个体用户接收的数据的效用值的多播比例公平(MPF)调度算法。 在一个实施例中,多播调度算法可以是组间比例公平(IPF)调度算法,其尝试最大化由多播组接收的数据的效用值。