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    • 7. 发明授权
    • Multi-hop wireless mesh network medium access control protocol
    • 多跳无线网状网络介质访问控制协议
    • US08576872B2
    • 2013-11-05
    • US11548561
    • 2006-10-11
    • Avneesh AgrawalDavid Jonathan JulianNikhil Jain
    • Avneesh AgrawalDavid Jonathan JulianNikhil Jain
    • H04L12/413
    • H04W74/0816H04W52/325H04W72/0406H04W74/0808H04W84/18
    • Systems and methodologies are described that facilitate mitigating a hidden node condition in a wireless mesh network wherein nodes utilize a request-to-send/clear-to-send (RTS/CTS) protocol in conjunction with an asynchronous hybrid automatic repeat request protocol. For instance, a node may contend for a set of subcarriers by sending an RTS signal over the desired subcarriers, and may receive a CTS signal over the contended subcarriers, wherein the CTS signal indicates which subcarriers the node may transmit data over. If another node has won the contention for a particular subcarrier, requesting node may adjust a power level at which it transmits an RTS or a data packet in order to permit the requesting node to utilize the subcarrier without interfering with the winning node.
    • 描述了有助于减轻无线网状网络中的隐藏节点条件的系统和方法,其中节点结合异步混合自动重复请求协议利用请求发送/清除发送(RTS / CTS)协议。 例如,节点可以通过在期望的子载波上发送RTS信号来竞争一组子载波,并且可以在竞争的子载波上接收CTS信号,其中CTS信号指示节点可以传送数据的哪些子载波。 如果另一个节点已经赢得了特定子载波的争用,则请求节点可以调整其发送RTS或数据分组的功率电平,以便允许请求节点利用子载波而不干扰获胜节点。