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    • 4. 发明授权
    • Method for assigning multimedia data to distributed storage devices
    • 将多媒体数据分配给分布式存储设备的方法
    • US08442989B2
    • 2013-05-14
    • US11895753
    • 2007-08-27
    • Laurent MassoulieChristoph NeumannMary-Luc Champel
    • Laurent MassoulieChristoph NeumannMary-Luc Champel
    • G06F7/00G06F17/30
    • H04L67/2847G11B27/002
    • The invention concerns a method for assigning parts of multimedia files to distributed storage devices, the number of said devices being an integer n, characterized in that it comprises the following steps: a step consisting in dividing each multimedia file in windows, which represent data for contiguous playback of a given duration; a step consisting, for each multimedia file, in determining a number k so that any original window of file can be recovered from any k distinct symbols; a step consisting, for each window of each said multimedia files, in assigning n corresponding symbols to said devices, one to each device, the n distinct symbols being created using erasure coding; and a step consisting in partially or totally filling the storage memory left on each device after said first steps with prefix windows of said multimedia files.
    • 本发明涉及一种用于将多媒体文件的部分分配给分布式存储设备的方法,所述设备的数量为整数n,其特征在于包括以下步骤:步骤包括:将窗口中的每个多媒体文件划分为 给定持续时间的连续播放; 对于每个多媒体文件,包括确定数字k的步骤,使得可以从任何k个不同符号恢复任何原始文件窗口; 对于每个所述多媒体文件的每个窗口,包括向所述设备分配n个相应符号,每个设备一个,使用擦除编码创建的n个不同符号; 以及在所述第一步骤之后部分或完全填充每个设备上剩余的存储存储器的步骤,其中包含所述多媒体文件的前缀窗口。
    • 5. 发明申请
    • Method for assigning multimedia data to distributed storage devices
    • 将多媒体数据分配给分布式存储设备的方法
    • US20080065975A1
    • 2008-03-13
    • US11895753
    • 2007-08-27
    • Laurent MassoulieChristoph NeumannMary-Luc Champel
    • Laurent MassoulieChristoph NeumannMary-Luc Champel
    • G06F17/00
    • H04L67/2847G11B27/002
    • The invention concerns a method for assigning parts of multimedia files to distributed storage devices, the number of said devices being an integer n, characterized in that it comprises the following steps: a step consisting in dividing each multimedia file in windows, which represent data for contiguous playback of a given duration; a step consisting, for each multimedia file, in determining a number k so that any original window of file can be recovered from any k distinct symbols; a step consisting, for each window of each said multimedia files, in assigning n corresponding symbols to said devices, one to each device, the n distinct symbols being created using erasure coding; and a step consisting in partially or totally filling the storage memory left on each device after said first steps with prefix windows of said multimedia files.
    • 本发明涉及一种用于将多媒体文件的部分分配给分布式存储设备的方法,所述设备的数量为整数n,其特征在于包括以下步骤:步骤包括:将窗口中的每个多媒体文件划分为 给定持续时间的连续播放; 对于每个多媒体文件,包括确定数字k的步骤,使得可以从任何k个不同符号恢复任何原始文件窗口; 对于每个所述多媒体文件的每个窗口,包括向所述设备分配n个相应符号,每个设备一个,使用擦除编码创建的n个不同符号; 以及在所述第一步骤之后部分或完全填充每个设备上剩余的存储存储器的步骤,其中包含所述多媒体文件的前缀窗口。
    • 6. 发明申请
    • METHOD AND DEVICE FOR FINGERPRINTING OF WIRELESS COMMUNICATION DEVICES
    • 用于指示无线通信设备的方法和设备
    • US20130242795A1
    • 2013-09-19
    • US13988529
    • 2011-11-23
    • Olivier HeenChristoph NeumannStephane Onno
    • Olivier HeenChristoph NeumannStephane Onno
    • H04W8/00
    • H04W8/005H04L63/1425H04W12/12
    • A method for fingerprinting wireless devices and a method for using a device fingerprint for identifying wireless devices. A monitoring station listens to a channel. For each received frame, the station measures the inter-arrival time from the end of the previously received frame to the end of the present frame, if possible, the station obtains the identity of the sender of the frame. If the sender is known, then the station stores the inter-arrival time in a histogram for the sender; the histogram becomes the fingerprint for the sender. Identification of a device begins by obtaining a number of inter-arrival times for an unknown sender and then matching these to stored fingerprints using a suitable similarity measure. The invention is particularly suitable for IEEE 802.11 and may for example be used to detect so-called MAC spoofing and as an additional layer of an identification protocol.
    • 一种无线设备的指纹识别方法以及使用设备指纹识别无线设备的方法。 一个监听站监听一个频道。 对于每个接收到的帧,站测量从先前接收的帧的结束到当前帧的结束的到达之间的时间,如果可能的话,站获得帧的发送者的身份。 如果发送者是已知的,则该站将发往者的到达时间存储在直方图中; 直方图成为发送者的指纹。 设备的识别开始于通过获得未知发送者的到达之间的时间数目,然后使用合适的相似度度量将它们与存储的指纹进行匹配。 本发明特别适合于IEEE 802.11,并且可以例如用于检测所谓的MAC欺骗和作为识别协议的附加层。
    • 7. 发明授权
    • Method for managing requests for obtaining peer identifiers to access stored contents in P2P mode, and associated management device and network equipment
    • 用于管理用于获得对等标识符以以P2P模式访问存储内容的请求的方法,以及相关联的管理设备和网络设备
    • US07873690B2
    • 2011-01-18
    • US12380822
    • 2009-03-04
    • Christoph NeumannXavier Lebegue
    • Christoph NeumannXavier Lebegue
    • G06F15/16
    • H04L67/104H04L67/1063H04L67/1089H04L67/18H04W4/02H04W4/20
    • A management device (D) that is part of a communication network (R1) to which can be connected items of communication equipment (T1-T4) constituting peers storing content data and operating in P2P mode. This device (D) comprises analysing means (MA) adapted to, in the case of reception of a request for obtaining peer identifiers, said request designating content, from a peer (T1), i) to access a tree structure comprising leaves (associated with peer identifiers storing content associated with content identifiers) and location nodes (associated with location information, representative of location of peers associated with leaves that are attached to them, and with content information, representative at least of content identifiers that store these peers), in order to determine the location of the leaf associated with the content identifier designated in the received request, then the peer identifiers associated with leaves that are attached to this determined location node and said content identifier, and ii) order the transmission to the requesting peer (T1) of the determined peer identifiers.
    • 作为通信网络(R1)的一部分的管理装置(D),可以连接构成存储内容数据并以P2P模式操作的对等体的通信设备(T1-T4)的项目。 该设备(D)包括分析装置(MA),适于在从对等体(T1)接收到获取对等体标识符的请求指定内容的情况下,i)访问包括叶(相关联的)的树结构 存储与内容标识符相关联的内容的对等体标识符)和位置节点(与位置信息相关联,代表与附加到它们的叶相关联的对等体的位置,并且具有至少代表存储这些对等体的内容标识符的内容信息) 为了确定与接收到的请求中指定的内容标识符相关联的叶片的位置,则与附加到该确定的位置节点的叶子和所述内容标识符相关联的对等标识符,以及ii)将发送命令到请求对等体 (T1)所确定的对等标识符。
    • 10. 发明授权
    • Method for monitoring the earth surface
    • 监测地面的方法
    • US06204800B1
    • 2001-03-20
    • US09202139
    • 1998-12-09
    • Christoph Neumann
    • Christoph Neumann
    • G01S1390
    • G01S13/90
    • The invention relates to a method for monitoring the earth's surface with a moving aircraft using a radar sensor with a synthetic aperture. In order to produce high resolution radar images, the flight parameters of the aircraft are also required. According to the inventive method, key parameters, such as speed and acceleration, are detected in the sight line of the radar sensor from the radio signals received. One of the advantages of the invention is that an inertial navigation system (INS) is no longer required for this purpose.
    • 本发明涉及一种使用具有合成孔径的雷达传感器用移动的飞机监测地球表面的方法。 为了生产高分辨率雷达图像,还需要飞机的飞行参数。 根据本发明的方法,从接收到的无线电信号在雷达传感器的视线中检测诸如速度和加速度的关键参数。 本发明的优点之一是不再需要惯性导航系统(INS)。