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    • 6. 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。