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21. 发明申请

WO2009029071A1 A UNIFIED PEER-TO-PEER AND CACHE SYSTEM FOR CONTENT SERVICES IN WIRELESS MESH NETWORKS 审中-公开
标题翻译：无线网络内容服务的统一对等和缓存系统
公开(公告)号：WO2009029071A1
公开(公告)日：2009-03-05
申请号：PCT/US2007/019094
申请日：2007-08-30
申请人： THOMSON LICENSING , LIU, Hang , GUO, Yang , ZHU, Yingnan
发明人： LIU, Hang , GUO, Yang , ZHU, Yingnan
IPC分类号： H04L29/06 , H04L29/08
CPC分类号： H04L67/104 , H04L65/4084 , H04L67/107 , H04L67/1072 , H04L67/1076 , H04L67/108
摘要： A method and apparatus for receiving content over a wireless network are described, including determining a first server from which to receive a content clip to be streamed, requesting the content clip to be streamed from the selected first server, receiving the streamed content clip from the selected first server, determining a peer device from which to receive a content clip to be downloaded, requesting the content clip to be downloaded and receiving the downloaded content clip. The first server is a mesh content server.
摘要翻译：描述了一种用于通过无线网络接收内容的方法和装置，包括确定从其接收要流式传输的内容剪辑的第一服务器，请求从所选择的第一服务器流式传输内容剪辑，从选择的第一服务器，确定从其接收要下载的内容剪辑的对等设备，请求下载内容剪辑并接收下载的内容剪辑。第一台服务器是网格内容服务器。

22. 发明申请

WO2008111930A1 A METHOD FOR EFFICIENT FEEDBACK OF RECEIVING CHANNEL CONDITIONS IN ADAPTIVE VIDEO MULTICAST AND BROADCAST SYSTEMS 审中-公开
标题翻译：在自适应视频多媒体和广播系统中接收信道条件的有效反馈的方法
公开(公告)号：WO2008111930A1
公开(公告)日：2008-09-18
申请号：PCT/US2007/006014
申请日：2007-03-09
申请人： THOMSON LICENSING , LIU, Hang
发明人： LIU, Hang
IPC分类号： H04L29/06 , H04L12/56 , H04L12/18 , H04N7/24
CPC分类号： H04L29/06027 , H04L12/1868 , H04L12/189 , H04L47/10 , H04L47/12 , H04L47/15 , H04L47/283 , H04L47/32 , H04L65/4076 , H04L65/605 , H04L65/608 , H04L65/80 , H04N21/44209 , H04N21/6405 , H04N21/6582
摘要： A method and apparatus for providing channel condition feedback in a multicast network are described including estimating a indication of channel condition, determining a receiver class based on the estimated indication of channel condition, calculating a delay, delaying transmission of the estimated indication of channel condition for the calculated delay, receiving a report from another receiver in the determined receiver class, the report including an indication of channel condition and canceling the delay if the received indication of channel condition is one of greater than and equal to the estimated indication of channel condition. The method and apparatus further include transmitting a single report for the calculated receiver class to a server including a worst indication of channel condition for the determined receiver class.
摘要翻译：描述了一种用于在多播网络中提供信道状态反馈的方法和装置，包括：估计信道条件的指示，基于所估计的信道状态指示，计算延迟，延迟所估计的信道条件指示的传输，所计算的延迟，在确定的接收机类别中从另一接收机接收报告，所述报告包括信道状况的指示，以及如果所接收的信道条件指示是大于等于所述信道状态的估计指示之一，则取消所述延迟。所述方法和装置还包括向所述服务器发送所计算的接收机类的单个报告，所述服务器包括所确定的接收机类的信道条件的最差指示。

23. 发明申请

WO2008105771A1 A METHOD AND APPARATUS FOR SELECTING AN ACCESS POINT OR RELAY NODE IN A MULTI-HOP WIRELESS NETWORK 审中-公开
标题翻译：一种多用途无线网络中选择接入点或继电器节点的方法和装置
公开(公告)号：WO2008105771A1
公开(公告)日：2008-09-04
申请号：PCT/US2007/005565
申请日：2007-03-01
申请人： THOMSON LICENSING , LIU, Hang , LUO, Lin , WU, Mingquan , LI, Dekai
发明人： LIU, Hang , LUO, Lin , WU, Mingquan , LI, Dekai
IPC分类号： H04Q7/32 , H04Q7/38
CPC分类号： H04W48/20 , H04L45/20 , H04L45/26 , H04W40/12 , H04W40/22 , H04W40/246 , Y02D70/22 , Y02D70/34 , Y02D70/39
摘要： A method and apparatus are described for selecting an access point in a wireless network, including calculating an access link cost for each candidate access point, receiving a path cost between each candidate access point and a gateway, estimating a cost function using the access link cost and the path cost, and selecting one of the candidate access points based on the cost function. The method and apparatus further establish a connection with the selected access point. The method and apparatus receive beacons and messages responsive to probe request messages containing received signal power and other information in order to measure and estimate the access link cost between an end device and the access point. Also described are a method and apparatus for maintaining a connection with an access point.
摘要翻译：描述了一种用于在无线网络中选择接入点的方法和装置，包括计算每个候选接入点的接入链路成本，接收每个候选接入点和网关之间的路径开销，使用接入链路成本估计成本函数和路径开销，并根据成本函数选择一个候选接入点。该方法和装置进一步建立与所选接入点的连接。所述方法和装置响应于包含接收信号功率和其他信息的探测请求消息来接收信标和消息，以便测量和估计终端设备与接入点之间的接入链路成本。还描述了一种用于维持与接入点的连接的方法和装置。

24. 发明申请

WO2007130012A1 SEAMLESS HANDOVER OF MULTICAST SESSIONS IN INTERNET PROTOCOL BASED WIRELESS NETWORKS USING STAGGERCASTING 审中-公开
标题翻译：基于互联网协议的无线网络无缝切换使用STAGGERCASTING的无线网络
公开(公告)号：WO2007130012A1
公开(公告)日：2007-11-15
申请号：PCT/US2006/016298
申请日：2006-04-29
申请人： THOMSON LICENSING , LIU, Hang , RAMASWAMY, Kumar
发明人： LIU, Hang , RAMASWAMY, Kumar
IPC分类号： H04B7/26
CPC分类号： H03M13/3761 , H04L1/0002 , H04L1/1819 , H04L2001/0093
摘要： A method and apparatus are described for recovering from loss of an original data packet, including detecting data packet loss, joining a delayed multicast group, receiving a delayed data packet and using the delayed data packet to recover the original data packet that was lost. The delayed data packet is one of a copy of the original data packet, a copy of the original data packet encoded at a lower bit rate or a parity packet. Also described are a method and apparatus for staggercasting including encoding and compressing a first data sequence, packetizing the compressed encoded data sequence to form a data packet, multicasting the data packet to a first multicast group, encoding and compressing a second data sequence, packetizing the compressed encoded second data sequence to form a packet and multicasting the packet delayed by an offset time to a second multicast group.
摘要翻译：描述了用于从原始数据分组丢失中恢复的方法和装置，包括检测数据分组丢失，加入延迟的多播组，接收延迟的数据分组，并使用延迟的数据分组来恢复丢失的原始数据分组。延迟的数据分组是原始数据分组的副本之一，以较低比特率编码的原始数据分组的副本或奇偶校验分组。还描述了一种用于交错广播的方法和装置，包括编码和压缩第一数据序列，将压缩的编码数据序列打包以形成数据分组，将数据分组多播到第一多播组，对第二数据序列进行编码和压缩，将压缩编码的第二数据序列以形成分组，并且将延迟偏移时间的分组多播到第二多播组。

25. 发明申请

WO2011021993A1 TARGETED ADVERTISING IN A PEER-TO-PEER NETWORK 审中-公开
标题翻译：在同行对等网络中进行广告宣传
公开(公告)号：WO2011021993A1
公开(公告)日：2011-02-24
申请号：PCT/US2009/004721
申请日：2009-08-19
申请人： THOMSON LICENSING , LI, Dekai , KASHYAP, Ashwin , MATHUR, Saurabh , WU, Mingquan , LIU, Hang
发明人： LI, Dekai , KASHYAP, Ashwin , MATHUR, Saurabh , WU, Mingquan , LIU, Hang
IPC分类号： H04L29/08 , G06Q30/00
CPC分类号： H04L67/104 , G06Q30/00 , G06Q30/0257 , H04L67/1002 , H04L67/1072 , H04L67/1082
摘要： A method is described including requesting content from a directory service, receiving a list of peers in a peer-to-peer network having the requested content, selecting a peer from the received list of peers, establishing communications with the selected peer, receiving a list of chunks of content and ads available from the selected peer, requesting a chunk of content and ads available from said selected peer and receiving the chunk of content and randomly selected ads from the selected peer. Also described is a method including receiving a request for content, generating a list of chunks of content available for the requested content, generating a list of ads associated with the requested content, transmitting the list of available chunks of content responsive to the request, receiving a request for a selected chunk of content and transmitting the selected chunk of content and ads associated with the selected chunk of content.
摘要翻译：描述了一种方法，其包括从目录服务请求内容，接收具有所请求内容的对等网络中的对等体列表，从所接收的对等体列表中选择对等体，建立与所选对等体的通信，接收列表从所选择的对等体中提供大量的内容和广告，从所选择的对等体请求一大堆内容和广告，并从所选择的对等体接收内容块和随机选择的广告。还描述了一种方法，包括接收对内容的请求，生成可用于所请求的内容的内容块的列表，生成与所请求的内容相关联的广告的列表，响应于该请求发送可用的内容块的列表，接收请求所选择的内容块，并发送所选择的内容块和与所选择的内容块相关联的广告。

26. 发明申请

WO2008013528A1 RECOVERY FROM BURST PACKET LOSS IN INTERNET PROTOCOL BASED WIRELESS NETWORKS USING STAGGERCASTING AND CROSS-PACKET FORWARD ERROR CORRECTION 审中-公开
标题翻译：基于互联网协议的无线网络中的BURTS分组丢包恢复使用STAGGERCASTING和CROSS-PACKET FORMARD ERROR CORRECTION
公开(公告)号：WO2008013528A1
公开(公告)日：2008-01-31
申请号：PCT/US2006/028920
申请日：2006-07-25
申请人： THOMSON LICENSING , LIU, Hang , HAN, Liqiao , WU, Mingquan , LI, Dekai , RAMASWAMY, Kumar
发明人： LIU, Hang , HAN, Liqiao , WU, Mingquan , LI, Dekai , RAMASWAMY, Kumar
IPC分类号： H04L12/56
CPC分类号： H04L1/0042 , H03M13/05 , H03M13/154 , H03M13/6312 , H03M13/6527 , H04L1/0031 , H04L1/0041 , H04L1/0045 , H04L1/0047 , H04L1/0057 , H04L1/0075 , H04L1/0079 , H04L1/008 , H04L1/0083 , H04L12/18 , H04L65/4076 , H04N19/164 , H04N19/61 , H04N19/89 , H04N21/2381 , H04N21/26275 , H04N21/41407 , H04N21/4382 , H04N21/4425 , H04N21/6437 , H04W80/04
摘要： A method and system for transmitting data are described including packetizing the data, performing forward error correction (FEC) encoding on the packetized data in order to generate at least one parity packet, appending FEC information as padding to the end of payload data of the packetized data and transmitting the packetized data and the at least one parity packet. Also described are a method and system for recovering from loss of a packet including receiving a data packet, receiving at least one parity packet, buffering the received data packet, detecting packet loss, forward error correction decoding the at least one parity packet to recover from packet loss using forward error correction information extracted from the data packet and from the at least one parity packet and forwarding the recovered packet via an internal socket. Also described is a method for staggercasting.
摘要翻译：描述了用于发送数据的方法和系统，包括打包数据，对分组化数据执行前向纠错（FEC）编码，以便生成至少一个奇偶分组，将FEC信息作为填充附加到分组化的有效载荷数据的末尾数据并传送分组数据和至少一个奇偶校验分组。还描述了一种用于从数据包丢失恢复的方法和系统，包括接收数据分组，接收至少一个奇偶校验分组，缓冲接收的数据分组，检测分组丢失，对至少一个奇偶校验分组进行解码的前向纠错解码以从使用从数据分组提取的前向纠错信息和来自至少一个奇偶校验分组的分组丢失，并经由内部套接字转发已恢复的分组。还描述了一种交错广播的方法。

27. 发明申请

WO2008002294A1 METHOD AND APPARATUS FOR RELIABLY DELIVERING MULTICAST DATA 审中-公开
标题翻译：用于可靠地传送多媒体数据的方法和装置
公开(公告)号：WO2008002294A1
公开(公告)日：2008-01-03
申请号：PCT/US2006/024973
申请日：2006-06-27
申请人： THOMSON LICENSING , LIU, Hang , RAMASWAMY, Kumar , BOYCE, Jill, MacDonald
发明人： LIU, Hang , RAMASWAMY, Kumar , BOYCE, Jill, MacDonald
IPC分类号： H04L12/66 , H04L12/56
CPC分类号： H04L12/66 , H04L1/0001 , H04L12/1863 , H04L29/12349 , H04L45/00 , H04L45/16 , H04L47/14 , H04L47/15 , H04L61/2507 , H04L65/4076 , H04L2001/0093
摘要： A method and apparatus for delivering multicast addressed data packets over a wireless network are described including mapping a multicast connection to a unicast uniform resource identifier, establishing a state for a multicast-to-unicast conversion, allocating ports, receiving multicast addressed data packets, converting the multicast addressed data packets to unicast addressed data packets and transmitting the converted data packets.
摘要翻译：描述了一种用于通过无线网络递送多播寻址数据分组的方法和装置，包括将组播连接映射到单播统一资源标识符，建立组播到单播转换的状态，分配端口，接收组播寻址数据分组，转换将组播寻址的数据分组发送到单播寻址数据分组并发送转换的数据分组。

28. 发明申请

WO2007070056A1 AN ADAPTIVE JOINT SOURCE AND CHANNEL CODING SCHEME FOR H.264 VIDEO MULTICASTING OVER WIRELESS NETWORKS 审中-公开
标题翻译：用于无线网络H.264视频多播的自适应联合源和通道编码方案
公开(公告)号：WO2007070056A1
公开(公告)日：2007-06-21
申请号：PCT/US2005/045550
申请日：2005-12-15
申请人： THOMSON LICENSING , LIU, Zhengye , LIU, Hang , WANG, Yao
发明人： LIU, Zhengye , LIU, Hang , WANG, Yao
IPC分类号： H04N7/24 , H04L12/26
CPC分类号： H04N21/8451 , H04N21/2383 , H04N21/2385 , H04N21/2402 , H04N21/2662 , H04N21/44209 , H04N21/6405 , H04N21/658
摘要： A method and apparatus for estimating packet loss rate are described including calculating a real packet loss rate in a time slot at the end of the time slot, estimating average packet loss rate for a subsequent time slot, estimating variance of packet loss rate for the subsequent time slot and estimating the packet loss rate for the subsequent time slot. A method and apparatus and also described for dynamically allocating available bandwidth for video multicast including selecting an intra-frame rate, determining a packet loss rate threshold, receiving user topology information, receiving channel conditions for each user, determining an optimal operation point for encoding and transmitting video frames in a subsequent time slot, adapting dynamically quantization parameters and a forward error correction code rate, encoding the video frames using the quantization parameters and applying forward error correction code with the forward error correction code rate to data packets of the video frames to generate forward error correction packets.
摘要翻译：描述了一种用于估计分组丢失率的方法和装置，包括计算在时隙结束的时隙中的实际分组丢失率，估计后续时隙的平均分组丢失率，估计随后的分组丢失率的方差时隙并估计后续时隙的丢包率。一种用于动态地分配用于视频多播的可用带宽的方法和装置，包括选择帧内速率，确定分组丢失率阈值，接收用户拓扑信息，为每个用户接收信道条件，确定用于编码的最佳操作点，以及在随后的时隙中发送视频帧，适应动态量化参数和前向纠错码率，使用量化参数对视频帧进行编码，并将具有前向纠错码率的前向纠错码应用于视频帧的数据分组，生成前向纠错数据包。

29. 发明申请

WO2006098723A1 HYBRID MESH ROUTING PROTOCOL 审中-公开
标题翻译：混合网路路由协议
公开(公告)号：WO2006098723A1
公开(公告)日：2006-09-21
申请号：PCT/US2005/008210
申请日：2005-03-10
申请人： THOMSON LICENSING S.A. , LIU, Hang , LI, Jun , MATHUR, Saurabh
发明人： LIU, Hang , LI, Jun , MATHUR, Saurabh
IPC分类号： H04L12/56
CPC分类号： H04W40/26 , H04L49/201 , H04L49/205 , H04L49/25 , H04L49/3009 , H04L49/602
摘要： A method for selecting a route by a node between a source node and a destination node in a wireless mesh network by establishing the route between the source node and the destination node using media access control addresses is described. A method for a node to selecting a route to join a multicast group in a wireless mesh network using media access control addresses, is also described.
摘要翻译：描述了通过使用媒体访问控制地址在源节点和目的地节点之间建立路由来通过无线网状网络中的源节点和目的地节点之间的节点选择路由的方法。还描述了节点使用媒体访问控制地址来选择在无线网状网络中加入多播组的路由的方法。

30. 发明申请

WO2011043754A1 A METHOD AND APPARATUS FOR HOP-BY-HOP RELIABLE MULTICAST IN WIRELESS NETWORKS 审中-公开
标题翻译：无线网络中HOP-By-HOP可靠多播的方法与装置
公开(公告)号：WO2011043754A1
公开(公告)日：2011-04-14
申请号：PCT/US2009/005493
申请日：2009-10-06
申请人： THOMSON LICENSING , LIU, Hang , DONG, Lijun
发明人： LIU, Hang , DONG, Lijun
IPC分类号： H04L12/18
CPC分类号： H04L12/1863 , H04B7/155 , H04L1/004 , H04L1/02 , H04L1/1607 , H04L41/0816 , H04L41/083 , H04L41/12 , H04L41/5022 , H04L45/02 , H04L45/123 , H04L45/28
摘要： A method and apparatus are described including performing hop-by-hop multicasting including network coding of data packets of a portion of content, wherein network coding further includes receiving an encoded data packet of a portion of content from an upstream transmitter, determining if the received encoded data packet is innovative, storing the received encoded data packet responsive to the first determination, determining if a full rank of the encoded data packet of the portion of content has been received, determining if an acknowledgement message for the portion of the content has already been sent to the upstream transmitter responsive to the second determination, sending the acknowledgement message to the upstream transmitter responsive to the third determination and discarding the received encoded data packet responsive to the first determination.
摘要翻译：描述了一种方法和装置，包括执行包括内容的一部分的数据分组的网络编码的逐跳多播，其中网络编码还包括从上游发射机接收内容的一部分的编码数据分组，确定是否接收到编码数据分组是创新的，响应于第一确定存储接收到的编码数据分组，确定是否已经接收到内容部分的编码数据分组的完整等级，确定内容部分的确认消息是否已经响应于所述第二确定被发送到所述上行发射机，响应于所述第三确定发送所述确认消息到所述上行发射机，并且响应于所述第一确定而丢弃所接收的编码数据分组。

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