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    • 10. 发明授权
    • Measuring interference and noise power using non-content burst periods
    • 使用非内容突发时段测量干扰和噪声功率
    • US08385435B2
    • 2013-02-26
    • US11704743
    • 2007-02-09
    • David GarrettRobert LorenzDjordje Tujkovic
    • David GarrettRobert LorenzDjordje Tujkovic
    • H04K1/10
    • H04L43/50H04B17/345H04L5/0007
    • Embodiments describe a method of measuring noise and interference within transceivers of an OFDM wireless transmission system, or similar communication system, including a number of receivers communicating with one or more base stations in cell or sector arrangements. The transmitter schedules a transmission burst for a non-existent user (receiver) using wireless transmission traffic. In an OFDM system, this corresponds to a certain set of subcarriers in the time/frequency arrangement. Thus, in the receive frame structure, the data and pilot subcarriers are guaranteed to be only noise and interference from adjacent sectors. The receiver can accurately measure the noise and interference without needing to cancel out the transmitted signal. Therefore, the system is assured that there is no desired signal as part of this measurement. The noise and interference measurement process can be appropriately scheduled so that it does not impact the overall throughput of the system. This mechanism creates a deterministic place (in time and/or frequency) within the transmission, where no desired signal is required.
    • 实施例描述了测量OFDM无线传输系统或类似通信系统的收发机内的噪声和干扰的方法,所述OFDM无线传输系统或类似通信系统包括与小区或扇区布置中的一个或多个基站通信的多个接收机。 发射机使用无线传输业务为不存在的用户(接收机)调度传输突发。 在OFDM系统中,这对应于时间/频率布置中的一组子载波。 因此,在接收帧结构中,数据和导频子载波被保证只是来自相邻扇区的噪声和干扰。 接收机可以准确测量噪声和干扰,而不需要消除传输的信号。 因此,系统确保没有期望的信号作为该测量的一部分。 可以适当地调度噪声和干扰测量过程,使其不影响系统的整体吞吐量。 该机制在传输期间创建确定性的位置(在时间和/或频率上),其中不需要所需的信号。