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    • 1. 发明申请
    • A METHOD AND APPARATUS FOR RETRANSMISSION DECISION MAKING
    • 一种用于恢复决策的方法和装置
    • WO2011093836A1
    • 2011-08-04
    • PCT/US2010/000228
    • 2010-01-28
    • THOMSON LICENSINGLU, XiupingMANDREKAR, Ishan, UdayPERUMANAM, RamkumarLIU, Hang
    • LU, XiupingMANDREKAR, Ishan, UdayPERUMANAM, RamkumarLIU, Hang
    • H04L1/18H04L1/16
    • H04L1/1838H04L1/1671H04L1/1877
    • A method and apparatus are described including parsing (410) an abstraction- layer header and assigning a priority to a packet to be transmitted. A network monitor (270, 405) of a transmitter is connected between a network interface (250) and a retransmission decision maker (275) for deciding which packets to retransmit, for example, based on the assigned priority and collected network statistics or conditions, for example, packet loss rate. A network monitor (271) may also be provided at a receiver for collecting current network statistics such as cumulative number of packets lost and for providing such statistics to a transmitter (200). The method further includes buffering the data to be transmitted along with the assigned priority, transmitting data retrieved from a buffer (235) via a datagram protocol (240, 245), receiving (405) a request for retransmission of data, determining (415) if the requested data is in the buffer and retransmitting the requested data via a protocol that provides end-to-end acknowledgement of data and error recovery.
    • 描述了一种方法和装置,其包括解析(410)抽象层报头并且将要发送的分组分配优先级。 发送器的网络监视器(270,405)连接在网络接口(250)和重发决策器(275)之间,用于例如基于分配的优先级和收集的网络统计或条件来决定哪些分组被重传, 例如,丢包率。 也可以在接收机处提供网络监视器(271),用于收集当前网络统计信息,例如丢失的分组的累积数目和用于将这种统计信息提供给发射机(200)。 该方法还包括缓冲要发送的数据与分配的优先级,经由数据报协议(240,245)从缓冲器(235)检索的数据,接收(405)数据重发请求,确定(415) 如果请求的数据在缓冲器中,并通过提供数据和错误恢复的端到端确认的协议来重传所请求的数据。
    • 4. 发明申请
    • COEXISTENCE OF MULTIPLE WIRELESS NETWORKS
    • 多个无线网络的共同点
    • WO2011136771A1
    • 2011-11-03
    • PCT/US2010/032878
    • 2010-04-29
    • THOMSON LICENSINGLIU, HangWU, MingquanLI, JohnLU, XiupingPERUMANAM, RamkumarMATHUR, Saurabh
    • LIU, HangWU, MingquanLI, JohnLU, XiupingPERUMANAM, RamkumarMATHUR, Saurabh
    • H04W28/16
    • H04W28/16H04W16/14H04W84/12
    • Described herein are a method and apparatus including calculating an aggregate peak total traffic demand for all overlapping access points in an interference range, comparing the aggregate peak total traffic demand to a threshold, rejecting a requested new quality of service traffic stream responsive to results of the comparison, calculating a peak total traffic demand for each overlapping access point in the interference range if the requested new quality of service traffic stream is admissible responsive to results of the comparison, comparing the peak total traffic demand for each overlapping access point in the interference range, if the requested new quality of service traffic stream is admissible, to the threshold and one of accepting the requested new quality of service traffic stream and rejecting the requested new quality of service traffic stream responsive to results of the second comparison.
    • 这里描述了一种方法和装置,包括计算干扰范围内所有重叠接入点的总峰值总业务量需求,将总峰值总业务量需求与阈值进行比较,响应于所得到的结果,拒绝所请求的新服务质量业务流 比较,如果响应于比​​较结果允许所请求的新的服务质量服务业务流是可接受的,则计算干扰范围内每个重叠接入点的峰值总业务量需求,比较干扰范围内每个重叠接入点的峰值总业务量需求 如果所请求的新的服务质量业务流被允许,则接收到阈值,并且响应于第二比较的结果,接受所请求的新的服务质量业务流并拒绝所请求的新的服务质量业务流。
    • 10. 发明申请
    • CONTENTION-BASED MEDIUM RESERVATION METHOD AND APPARATUS FOR MULTICAST TRANSMISSIONS IN WIRELESS LOCAL AREA NETWORKS
    • 基于内容的中继预留方法和无线局域网中多播传输的设备
    • WO2009154593A1
    • 2009-12-23
    • PCT/US2008/007593
    • 2008-06-18
    • THOMSON LICENSINGLIU, HangMANDREKAR, IshanWU, MingquanPERUMANAM, RamkumarMATHUR, Saurabh
    • LIU, HangMANDREKAR, IshanWU, MingquanPERUMANAM, RamkumarMATHUR, Saurabh
    • H04W4/06
    • H04W74/0816H04W72/005
    • A method and apparatus are described including multicasting a medium reservation message and receiving a response to the medium reservation message. Also described are a method and apparatus including receiving a medium reservation message, determining if a medium is idle and transmitting a response to the medium reservation message responsive to the determination. Further described are a method and apparatus including receiving a medium reservation message, determining if a received network allocation vector in the medium reservation message has a value greater than a current network allocation vector, determining if transmission over a medium during a time interval is detected and resetting the current network allocation vector responsive to the determination of transmission. Yet further described are a method and apparatus including receiving a response to a medium reservation message, determining if a network allocation vector in the response is greater than a current network allocation vector and updating the current network allocation vector responsive to the determination.
    • 描述了一种方法和装置,包括组播媒体预约消息并接收对媒体预留消息的响应。 还描述了一种方法和装置,包括接收介质预留消息,确定介质是否空闲,并响应于该确定向媒体预留消息发送响应。 进一步描述了一种方法和装置,包括:接收介质预留消息,确定所述介质预留消息中的接收到的网络分配向量是否具有大于当前网络分配向量的值,确定是否检测到在时间间隔内的介质上的传输; 响应于传输的确定重置当前网络分配向量。 还进一步描述了一种方法和装置,包括接收对介质预留消息的响应,确定响应中的网络分配向量是否大于当前网络分配向量,并响应于确定更新当前网络分配向量。