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    • 1. 发明授权
    • Method and a device for acknowledging data received by a communication device in a communication network
    • 用于确认由通信网络中的通信设备接收的数据的方法和设备
    • US08094561B2
    • 2012-01-10
    • US12336496
    • 2008-12-16
    • Pascal LagrangePatrice Nezou
    • Pascal LagrangePatrice Nezou
    • H04J1/16
    • H04L1/1614H04L1/0026H04L1/0029H04L1/003H04L1/203H04L2001/0097
    • The disclosure provides an acknowledgement of data received by a communication device, the data being received by data packets, with each data packet comprising a plurality of data blocks. The communication device determines, for a data packet, a number of data blocks whose data can be processed correctly. The communication device further sends an acknowledgement for at least one data block in the data packet if the number of data blocks whose data can be processed correctly is between a first and a second threshold. The communication device also sends, for the data packet, a piece of information at packet level representing the number of data blocks whose data can be processed correctly if the number of data blocks whose data can be processed correctly is lower than the first threshold or higher than the second threshold.
    • 本公开提供了由通信设备接收的数据的确认,数据由数据分组接收,每个数据分组包括多个数据块。 通信装置针对数据分组确定可以正确处理数据的数据块的数量。 如果可以正确处理其数据的数据块的数量在第一和第二阈值之间,则通信设备还向数据分组中的至少一个数据块发送确认。 如果数据分组的数据块的数量可以正确处理的数据块的数量低于第一阈值或更高,则通信装置还针对数据分组发送表示可以正确处理其数据的数据块的数量的数据分组的信息 比第二个阈值。
    • 2. 发明申请
    • METHOD AND DEVICE FOR MANAGING ALLOCATION OF DATA TRANSMISSION PATHS IN A MESHED COMMUNICATIONS NETWORK, CORRESPONDING COMPUTER PROGRAM PRODUCT AND STORAGE MEANS
    • 用于管理网络通信网络中的数据传输路由分配的方法和设备,对应的计算机程序产品和存储方式
    • US20090257386A1
    • 2009-10-15
    • US12406747
    • 2009-03-18
    • Mounir AchirPascal Lagrange
    • Mounir AchirPascal Lagrange
    • H04W72/04
    • H04W40/16H04L25/14H04L45/00H04W40/20
    • A method for managing allocation of paths for transmission, in packets of symbols, of at least a first data content, each content being transmitted from a source node up to a destination node in a meshed communications network comprising a plurality of nodes, each destination node receiving a plurality of copies of a same packet of symbols of the content transmitted to said destination node by a source node, each copy being received by the destination node via a distinct transmission path directly from the source node or via at least one relay node of the meshed communications network, the packets being encoded with an error correction code enabling decoding by erasure of packets symbols. Such a method comprises the following steps: selecting a set of transmission paths from the source node up to the destination node for the transmission of copies of at least one packet of the first content, for which an estimated first number of erasures of symbols of the at least one packet is smaller than a determined threshold, the first number of erasures being estimated from a piece of information on quality of transmission that is determined and associated with each of the selected transmission paths, the threshold being determined as a function of an erasure correction capability of the error correction code; allocating the selected transmission paths to the transmission of the first content from said source node up to said destination node.
    • 一种用于管理用于在包括多个节点的网状通信网络中的至少第一数据内容的每个内容从源节点传送到目的地节点的用于传输符号分组的路径的分配的方法,每个目的地节点 接收由源节点发送到所述目的地节点的内容的相同的符号分组的多个副本,每个副本由目的地节点经由直接来自源节点的不同传输路径或经由至少一个中继节点 网状通信网络,分组正被编码,其中能够通过擦除分组符号进行解码的纠错码。 这种方法包括以下步骤:从源节点直到目的地节点选择一组传输路径,用于传输第一内容的至​​少一个分组的副本,对于该第一内容的估计的第一个数量的符号的删除, 至少一个分组小于确定的阈值,所述第一数量的擦除是根据与所选择的传输路径中的每一个相关联的传输质量的一条信息来估计的,所述阈值被确定为擦除的函数 纠错码的校正能力; 将所选择的传输路径分配到从所述源节点直到所述目的地节点的第一内容的传输。
    • 3. 发明申请
    • Methods for the storage and reading of a content, of the type implementing a content protection protocol, corresponding source, storage and sink devices
    • 存储和读取内容的方法,实现内容保护协议的类型,对应的源,存储和宿设备
    • US20070071234A1
    • 2007-03-29
    • US11303027
    • 2005-12-16
    • Pascal LagrangeJean-Paul Accarie
    • Pascal LagrangeJean-Paul Accarie
    • H04L9/28
    • H04N7/1675H04N21/43615H04N21/43622H04N21/43632H04N21/4367H04N21/4405H04N21/4408H04N21/643H04N21/64784
    • A method for the storage of a content from a source device to a storage device, the devices implementing a content protection protocol comprising a phase of exchanging a first encryption key (Kc) associated with a first key computation parameter (Nc). A storage method of this kind comprises the following steps; the obtaining (802) of a first processing function (m1) that is a function of a predetermined piece of information for access to the content to be stored (CPK); the obtaining (805) of a second key computation parameter (Ncpk; Ncm) in taking account of said first processing function; the computation (806) of a second encryption key (Kcpk), in taking account of said second key computation parameter (Ncpk; Ncm); the encryption (810) of the content to be stored with said second key (Kcpk), thus obtaining a first encrypted content (Msa0), and then the encryption (811) of the first encrypted content (Msa0) with the first key (Kc), thus obtaining a second encryption content (Msa); the sending (812) of the second encrypted key (Msa) to the storage device; and the storing (808) of at least one piece of computation data (Ncm; Nc) necessary for the computation of said second parameter (Ncpk; Ncm).
    • 一种用于将内容从源设备存储到存储设备的方法,所述设备实现包括与第一密钥计算参数(Nc)相关联的交换第一加密密钥(Kc)的阶段的内容保护协议。 这种存储方法包括以下步骤: 获取(802)作为用于访问要存储的内容(CPK)的预定信息的函数的第一处理功能(m 1); 考虑所述第一处理功能的第二密钥计算参数(Ncpk; Ncm)的获取(805); 考虑所述第二密钥计算参数(Ncpk; Ncm)的第二加密密钥(Kcpk)的计算(806); 与所述第二密钥(Kcpk)一起存储的内容的加密(810),从而获得第一加密内容(Msa 0),然后利用第一密钥获得第一加密内容(Msa 0)的加密(811) (Kc),从而获得第二加密内容(Msa); 将所述第二加密密钥(Msa)发送(812)到所述存储设备; 以及用于计算所述第二参数(Ncpk; Ncm)所需的至少一个计算数据(Ncm; Nc)的存储(808)。
    • 4. 发明授权
    • Methods for managing communications of a wireless communications network, corresponding storage means and devices
    • 用于管理无线通信网络的通信的方法,相应的存储装置和设备
    • US08326322B2
    • 2012-12-04
    • US12626741
    • 2009-11-27
    • Pascal LagrangeBrice Le Houerou
    • Pascal LagrangeBrice Le Houerou
    • H04W4/02
    • H04W40/12H04B17/26H04B17/27H04B17/373H04W40/18H04W40/248
    • A method for managing communications in a wireless communications network comprising a set of pairs constituted by a sender device and a receiver device, each of the devices having a determined area of communications coverage, the coverage areas of each pair having a mutual intersection area. Such a method comprises the followings steps: determining future trajectories of a disturbing mobile obstacle as a function of a set of prior positions of the disturbing mobile obstacle, a position of an obstacle being determined as a function of areas of mutual overlapping of at least two disturbed intersecting areas, a disturbed intersecting area having a given state of disturbance according to a determined criterion of quality of communications between the devices of the pairs corresponding to the disturbed intersection area; establishing a forecast diagnostic of quality of communications by examining the determined future trajectory or trajectories; managing the routing of communications as a function of the established forecast diagnostic.
    • 一种用于管理无线通信网络中的通信的方法,包括由发送器设备和接收器设备构成的一对对,每个设备具有确定的通信覆盖区域,每对的覆盖区域具有相互交叉区域。 这种方法包括以下步骤:确定干扰移动障碍物的未来轨迹作为干扰性移动障碍物的一组先前位置的函数,障碍物的位置被确定为至少两个相互重叠的区域的函数 干扰的交叉区域,具有给定干扰交互区域的设备之间的通信质量的确定标准的具有给定干扰状态的干扰交叉区域; 通过检查确定的未来轨迹或轨迹,建立通信质量的预测诊断; 根据既定的预测诊断管理通信路由。
    • 5. 发明申请
    • METHOD FOR MANAGING A DISTRIBUTION OF BANDWIDTH IN A COMMUNICATIONS NETWORK, CORRESPONDING COMPUTER-READABLE STORAGE MEDIUM AND SLAVE NODE
    • 用于管理通信网络中的带宽分配的方法,对应的计算机可读存储介质和从属节点
    • US20110087751A1
    • 2011-04-14
    • US12905060
    • 2010-10-14
    • Patrice NezouPascal LagrangeLionel Tocze
    • Patrice NezouPascal LagrangeLionel Tocze
    • G06F15/16G06F15/173
    • H04W16/18H04W72/085
    • Method for managing a distribution of bandwidth in a communications network, corresponding computer-readable storage medium and slave node.A method is proposed for managing a distribution of bandwidth in a communications network by means of a slave node of the network, said network comprising a set of nodes.The slave node is such that it performs steps for: determining a coarse representation and a detailed representation of the distribution of the bandwidth in said network, as a function of a piece or pieces of information relative to conditions of transmission in said network and/or relative to applications needs of transmission; receiving a coarse reference representation of the distribution of bandwidth in said network, coming from a master node of said network; comparing said determined coarse representation and said reference coarse representation; should said coarse representations be identical, applying said determined detailed representation; if not, applying said coarse reference representation.
    • 用于管理通信网络中的带宽分布,相应的计算机可读存储介质和从节点的方法。 提出了一种通过网络的从节点来管理通信网络中的带宽分布的方法,所述网络包括一组节点。 从节点使得其执行以下步骤:根据与所述网络中的传输条件相关的一条或多条信息来确定所述网络中的带宽分布的粗略表示和详细表示,和/或 相对于应用需求的传输; 从所述网络的主节点接收来自所述网络的带宽分布的粗略参考表示; 比较所述确定的粗略表示和所述参考粗略表示; 应该说粗略表示是相同的,应用所述确定的详细表示; 如果不是,则应用所述粗略参考表示。
    • 6. 发明授权
    • Method and system for managing communications in a wireless communication network
    • 用于管理无线通信网络中的通信的方法和系统
    • US08948688B2
    • 2015-02-03
    • US13360040
    • 2012-01-27
    • Pascal LagrangeBrice Le HouerouTristan Halna Du Fretay
    • Pascal LagrangeBrice Le HouerouTristan Halna Du Fretay
    • H04B7/185H04L12/721H04W40/20H04B7/26H04W84/18
    • H04L45/70H04B7/2606H04W40/205H04W84/18
    • The present invention relates to a method for managing communications in a wireless communications network having a mesh or “relay-based” communication mode operating according to a relay scheme. The network includes network devices defining transmission links between them. The method includes initially detecting a mobile obstacle within the network coverage area; dynamically tracking the detected obstacle by iteratively determining a monitoring area including the detected obstacle; selecting, from the transmission links, a subset of monitoring links belonging at least partly to the monitoring area and monitoring a perturbation level of the selected monitoring links to determine movement of the mobile obstacle in the coverage area; and dynamically adapting the relay scheme of the network based on the belonging or not belonging of the transmission links between network devices to the selected subset.
    • 本发明涉及一种用于管理具有根据中继方案操作的网状或“基于中继”通信模式的无线通信网络中的通信的方法。 网络包括定义它们之间的传输链路的网络设备。 该方法包括:首先检测网络覆盖区域内的移动障碍物; 通过迭代地确定包括检测到的障碍物的监视区域来动态跟踪检测到的障碍物; 从所述传输链路中选择至少部分地属于所述监视区域的监视链路的子集,并且监视所选择的监视链路的扰动级别,以确定所述覆盖区域中的移动障碍物的移动; 以及基于网络设备之间的传输链路的属于或不属于所选择的子集来动态地适配网络的中继方案。
    • 7. 发明申请
    • METHOD AND SYSTEM FOR MANAGING COMMUNICATIONS IN A WIRELESS COMMUNICATION NETWORK
    • 用于管理无线通信网络中的通信的方法和系统
    • US20120196527A1
    • 2012-08-02
    • US13360040
    • 2012-01-27
    • PASCAL LAGRANGEBRICE LE HOUEROUTRISTAN HALNA DU FRETAY
    • PASCAL LAGRANGEBRICE LE HOUEROUTRISTAN HALNA DU FRETAY
    • H04W24/00H04W40/00
    • H04L45/70H04B7/2606H04W40/205H04W84/18
    • The present invention relates to a method for managing communications in a wireless communications network having a mesh or “relay-based” communication mode operating according to a relay scheme. The network includes network devices defining transmission links between them. The method includes initially detecting a mobile obstacle within the network coverage area; dynamically tracking the detected obstacle by iteratively determining a monitoring area including the detected obstacle; selecting, from the transmission links, a subset of monitoring links belonging at least partly to the monitoring area and monitoring a perturbation level of the selected monitoring links to determine movement of the mobile obstacle in the coverage area; and dynamically adapting the relay scheme of the network based on the belonging or not belonging of the transmission links between network devices to the selected subset.
    • 本发明涉及一种用于管理具有根据中继方案操作的网状或“基于中继”通信模式的无线通信网络中的通信的方法。 网络包括定义它们之间的传输链路的网络设备。 该方法包括:首先检测网络覆盖区域内的移动障碍物; 通过迭代地确定包括检测到的障碍物的监视区域来动态跟踪检测到的障碍物; 从所述传输链路中选择至少部分地属于所述监视区域的监视链路的子集,并且监视所选择的监视链路的扰动级别,以确定所述覆盖区域中的移动障碍物的移动; 以及基于网络设备之间的传输链路的属于或不属于所选择的子集来动态地适配网络的中继方案。
    • 8. 发明申请
    • Method for restriction of access to at least one content, computer program product and corresponding receiver device
    • 用于限制访问至少一个内容的方法,计算机程序产品和相应的接收器设备
    • US20060137025A1
    • 2006-06-22
    • US11282776
    • 2005-11-21
    • Pascal LagrangeJean-Paul Accarie
    • Pascal LagrangeJean-Paul Accarie
    • H04L9/32
    • H04N21/4623H04N21/43615H04N21/43632H04N21/4753H04N21/4821
    • In a method for the restriction of access from a sink device to a content stored in a storage device, a content protection protocol comprises an authentication phase and an encryption key exchange phase is implemented between the storage device and the sink device. The method comprises a prior step for the association of at least one predetermined password with said content and/or said storage device; and the following steps of: a) obtaining at least one piece of access information during the authentication phase; b) obtaining a processing function dependent on said at least one piece of access information (UCPK) and said at least one predetermined password (CPK); c) applying the processing function thus obtained during the authentication phase of the protection protocol, the application of the processing function causing the authentication phase to fail when said at least one piece of access information does not meet a predetermined condition.
    • 在限制从宿设备到存储在存储设备中的内容的访问的方法中,内容保护协议包括认证阶段,并且在存储设备和宿设备之间实现加密密钥交换阶段。 该方法包括用于将至少一个预定密码与所述内容和/或所述存储设备相关联的先前步骤; 以及以下步骤:a)在验证阶段期间获得至少一条访问信息; b)获得取决于所述至少一条访问信息(UCPK)和所述至少一个预定密码(CPK)的处理功能; c)应用在保护协议的认证阶段期间获得的处理功能,当所述至少一条访问信息不满足预定条件时,导致认证阶段的处理功能的应用失败。
    • 9. 发明申请
    • Method to secure the transfer of a data stream, corresponding computer program product, storage means and nodes
    • 确保数据流传输的方法,对应的计算机程序产品,存储装置和节点
    • US20060029228A1
    • 2006-02-09
    • US11190105
    • 2005-07-27
    • Pascal LagrangeLaurent Frouin
    • Pascal LagrangeLaurent Frouin
    • H04N7/167
    • G06F21/606H04L63/0428H04L63/08H04L2463/101H04N7/163H04N21/43632H04N21/4367H04N21/643H04N21/647
    • In a method for securing the transfer of a data stream from a sender device to at least one receiver device, through a network comprising a plurality of nodes connected to one another by a plurality of links, the sender device is connected to an input node in the network and each receiver device is connected to an output node of the network. The method comprises the following steps: a) the transmission of the data stream to the receiver devices through the associated output nodes; b) the informing of the output nodes by the input node that the transmission or maintaining of transmission of the data stream, in clear (i.e. non-encrypted) form necessitates the authentication of the output nodes; c) the reception by the input node of at least one authentication request sent by at least one of said output nodes; d) the authentication by the input node of the output nodes that are destination nodes of the data streams; e) the transmission of the data stream in clear form to, at most, the authenticated output nodes and the stopping of the transmission of the data stream to the other output nodes.
    • 在一种用于确保数据流从发送方设备传送到至少一个接收机设备的方法中,通过包括通过多个链路彼此连接的多个节点的网络,发送方设备连接到输入节点 网络和每个接收机设备连接到网络的输出节点。 该方法包括以下步骤:a)通过相关联的输出节点将数据流传输到接收机设备; b)由输入节点通知输出节点,清楚(即未加密)形式的数据流的传输或保持传输或维持必须对输出节点进行认证; c)由输入节点接收由至少一个所述输出节点发送的至少一个认证请求; d)由作为数据流的目标节点的输出节点的输入节点的认证; e)以清楚的形式将数据流传输到最多认证的输出节点,并停止将数据流传输到其他输出节点。