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    • 1. 发明授权
    • Enhancement of explicit congestion notification (ECN) for wireless network applications
    • 增强无线网络应用的显式拥塞通知(ECN)
    • US06741555B1
    • 2004-05-25
    • US09594463
    • 2000-06-14
    • Xiang LiJing WuShiduan ChengJian Ma
    • Xiang LiJing WuShiduan ChengJian Ma
    • H04L1226
    • H04W80/06H04L47/10H04L47/263H04L47/27H04L47/31H04L69/16H04L69/161H04L69/163
    • An Explicit Congestion Notification (ECN) method is disclosed for wireless applications to avoid network congestion in a TCP/IP packet-switched network. Such method comprises transmitting, at a source node, data packets to a destination node, via at least an intermediate node; determining, at the intermediate node, if an incipient congestion is encountered, setting a Congestion Experienced (CE) flag in each data packet to notify congestion; sending, at the destination node, an ECN-Echo acknowledgment packet back to the source node to inform congestion; reducing, at the source node, a congestion window and a transmission rate to avoid congestion; if the packet loss is due to congestion, re-transmitting, at the source node, only a lost packet to the destination node; alternatively, if the packet loss is due to transmission error, re-transmitting, the lost packet to the destination node, while increasing a round-trip timeout but maintaining the same congestion window.
    • 针对无线应用公开了一种显式拥塞通知(ECN)方法,以避免TCP / IP分组交换网络中的网络拥塞。 这种方法包括经由至少中间节点在源节点将数据分组发送到目的地节点; 在中间节点处确定是否遇到初始拥塞,在每个数据分组中设置拥塞经验(CE)标志以通知拥塞; 在目的地节点处将ECN-Echo确认分组发送回源节点以通知拥塞; 在源节点减少拥塞窗口和传输速率以避免拥塞; 如果分组丢失是由于拥塞,则在源节点处仅将丢失的分组重新发送到目的地节点; 或者,如果分组丢失是由于传输错误,则将丢失分组重新发送到目的地节点,同时增加往返超时但保持相同的拥塞窗口。
    • 3. 发明授权
    • Congestion control method for a packet-switched network
    • 分组交换网络的拥塞控制方法
    • US07369498B1
    • 2008-05-06
    • US10168009
    • 1999-12-13
    • Jian MaFei PengJing Wu
    • Jian MaFei PengJing Wu
    • G01R31/08H04L12/66G06F15/16
    • H04L69/16H04L47/10H04L47/193H04L47/26H04L47/29H04L47/30H04L67/28H04L67/2828H04L69/163
    • The present invention relates to a method and network for controlling congestion in a packet-switched network, comprising traffic sources, traffic destinations and network nodes, wherein a packet queue length in a network node is determined and a congestion notification is transmitted back towards the source address of an incoming data packet received at the network node, if the detected packet queue length exceeds a predetermined threshold. Then, congestion control is performed at a predetermined intermediate network node in response to the receipt of the congestion notification. Thereby, burts of source traffic can be constrained and unnecessary packet losses can be avoided already at an intermediate access node and within the network. The congestion notification message generated due to an incipient congestion is immediately routed back according to its source address. As a result, control delay time is shortened, such that buffer size requirements and number of congestion notification messages are reduced.
    • 本发明涉及一种用于控制分组交换网络中的拥塞的方法和网络,包括流量源,流量目的地和网络节点,其中,确定网络节点中的分组队列长度,并向源发送拥塞通知 如果检测到的分组队列长度超过预定阈值,则在网络节点处接收的输入数据分组的地址。 然后,响应于接收到拥塞通知,在预定的中间网络节点执行拥塞控制。 因此,可以限制源业务的激活,并且可以在中间接入节点和网络内避免不必要的分组丢失。 由于初始拥塞而产生的拥塞通知消息根据其源地址立即被路由回来。 结果,控制延迟时间缩短,使得缓冲器大小要求和拥堵通知消息数量减少。
    • 8. 发明授权
    • Method, system and device for secured access to protected digital material
    • 用于安全访问受保护数字材料的方法,系统和设备
    • US09064102B2
    • 2015-06-23
    • US11853555
    • 2007-09-11
    • Jing WuJames Ronald Flesch
    • Jing WuJames Ronald Flesch
    • G06F21/34H04L9/32H04W12/04H04L29/06
    • G06F21/34H04L9/3226H04L65/4084H04L2209/60H04L2209/80H04W12/04
    • A method, system and device for providing secure access to multimedia content received by a networked digital storage device, such as a set-top box. A mobile device, such as a mobile telephone, obtains appropriate security binding information and application software when coupled to the networked digital storage device at its end user location. The mobile device uploads the security binding information to a randomly located temporary hosting device at its place-shifted location when coupled thereto and, through a logical binding with the temporary hosting device, enables a secure, remote session. The secure binding and transfer of appropriate keys allow the remote hosting device to securely access premium or protected digital material/services available at the networked digital storage device. After completion of the secure, remote access session, termination occurs and the security binding information and the computing activity residue can be removed from the mobile device and the temporary hosting device.
    • 一种用于提供对联网的数字存储设备(诸如机顶盒)所接收的多媒体内容的安全访问的方法,系统和设备。 诸如移动电话的移动设备在其最终用户位置处耦合到联网数字存储设备时获得适当的安全绑定信息和应用软件。 移动设备在耦合到其位置移动位置时将安全绑定信息上传到随机定位的临时托管设备,并且通过与临时托管设备的逻辑绑定来启用安全的远程会话。 适当密钥的安全绑定和传输允许远程托管设备安全地访问网络数字存储设备上可用的高级或受保护的数字材料/服务。 在完成安全的远程访问会话之后,终止并且可以从移动设备和临时托管设备移除安全绑定信息和计算活动残留。
    • 10. 发明申请
    • METHOD AND APPARATUS FOR MANAGING 3D VIDEO CONTENT
    • 用于管理3D视频内容的方法和装置
    • US20120147157A1
    • 2012-06-14
    • US12964452
    • 2010-12-09
    • Jing WuAjay K. LuthraPaul A. ClancyJames R. Flesch
    • Jing WuAjay K. LuthraPaul A. ClancyJames R. Flesch
    • H04N13/04
    • H04N13/341H04N13/398
    • In a method of managing 3D video stream, 3D video stream is output to a connected display. The connected display displays the 3D video stream after a delay associated with the connected display. A timing offset is determined based on the delay. The timing offset is operable to be used to synchronize shutter operations of at least one shutter glasses with the presentation of the 3D video stream. A shutter control signal based on a frame start indication from the 3D video stream is transmitted. The frame start indication is operable to be used to determine a frame rate of the 3D video stream, and the shutter control signal is operable to be used to maintain synchronization of the shutter operations of the at least one shutter glasses with the presentation of the 3D video stream at the connected display.
    • 在管理3D视频流的方法中,将3D视频流输出到连接的显示器。 所连接的显示器在与连接的显示器相关联的延迟之后显示3D视频流。 基于延迟确定定时偏移。 定时偏移可操作地用于将至少一个快门眼镜的快门操作与3D视频流的呈现同步。 发送基于来自3D视频流的帧开始指示的快门控制信号。 帧开始指示可操作以用于确定3D视频流的帧速率,并且快门控制信号可操作以用于保持至少一个快门眼镜的快门操作与3D的呈现的同步 连接显示器上的视频流。