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    • 5. 发明授权
    • Distributed co-operating nodes using time reversal
    • 分布式合作节点使用时间反转
    • US09497722B2
    • 2016-11-15
    • US14114901
    • 2012-05-02
    • Anis HusainJeremy RodeDavid SmithMark HsuMaha Achour
    • Anis HusainJeremy RodeDavid SmithMark HsuMaha Achour
    • H04W56/00H04W84/18H04B7/02H04J3/06
    • H04W56/0065H04B7/024H04J3/0638H04J3/0682H04W56/001H04W56/0015H04W56/0025H04W84/18
    • Methods and systems for coherent distributed communication techniques using time reversal are disclosed. In one aspect, cooperating nodes of a cluster can move relative to each other and relative to an intended receiver of the nodes' data transmissions. The nodes are synchronized to a common time reference, and data for transmission from the cluster is distributed to the nodes. The intended receiver sends a sounding signal to the nodes. Each node receives the sounding signal, obtains the channel response between the intended receiver and itself, and time-reverses the channel response. Each node then convolves its time-reversed channel response with the data to obtain the node's convolved data. Each node waits a predetermined time following the time reference signal, as determined based on the common time reference. At the expiration of the predetermined time period, the nodes simultaneously transmit their convolved data.
    • 公开了使用时间反转的相干分布式通信技术的方法和系统。 在一个方面,集群的协作节点可以相对于彼此并相对于节点的数据传输的预期接收器移动。 节点被同步到公共时间参考,并且用于从集群传输的数据被分发到节点。 预期的接收器向节点发送一个探测信号。 每个节点接收探测信号,获得目标接收机与其本身之间的信道响应,并对信道响应进行时间反向。 然后每个节点将其时间反转的信道响应与数据进行卷积,以获得节点的卷积数据。 每个节点等待基于公共时间基准确定的时间参考信号之后的预定时间。 在预定时间段到期时,节点同时发送它们的卷积数据。