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    • 2. 发明申请
    • METHOD AND SYSTEM FOR RADAR DETECTION IN SHARED SPECTRUM
    • 共享频谱中雷达检测的方法和系统
    • WO2017068396A1
    • 2017-04-27
    • PCT/IB2015/058167
    • 2015-10-22
    • TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)BOUDREAU, GaryRICHARDS, ChristopherCIMPU, Virgil
    • BOUDREAU, GaryRICHARDS, ChristopherCIMPU, Virgil
    • H04W16/14H04W72/04H04W72/08
    • H04W16/14G01S7/021H04W72/0453H04W74/0808H04W74/0816
    • The present disclosure relates to a method and system in a wireless network for radar detection in certain bands e.g. bands normally used for unlicensed access. In one broad aspect, a method is provided for a network node configured to control wireless transmissions in a frequency band also used for radar transmissions. In that method, the network node controls the wireless transmissions using a transmission cycle pattern defined by a transmit on time and a transmit off time. The method includes after a wireless transmission during the transmit-on time of a first transmission cycle, detecting, during the transmit-off time of the first transmission cycle, at least one radar pulse in the frequency band and extending the transmit off time of a second transmission cycle based on the at least one radar pulse detected. Advantageously, in some implementations, extending the transmit off time when one or more radar pulses are detected provides more time to detect a larger number of pulses which as a result, may improve radar detection accuracy.
    • 本公开涉及无线网络中用于在某些频带中进行雷达检测的方法和系统,例如, 通常用于未授权访问的频段。 在一个广泛的方面中,提供了一种用于网络节点的方法,该网络节点被配置为控制也用于雷达传输的频带中的无线传输。 在该方法中,网络节点使用由发射开启时间和发射关闭时间定义的发射周期模式来控制无线发射。 该方法包括:在第一传输周期的传输开启时间期间的无线传输之后,在第一传输周期的传输关闭时间期间,检测频带中的至少一个雷达脉冲并且将传输关闭时间延长 第二传输周期基于所检测的至少一个雷达脉冲。 有利地,在一些实现中,当检测到一个或多个雷达脉冲时延长发射关闭时间提供了更多时间来检测更大数量的脉冲,结果可以提高雷达检测精度。