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    • 5. 发明授权
    • Channel estimation in wireless systems with impulsive interference
    • 具有脉冲干扰的无线系统中的信道估计
    • US08520747B2
    • 2013-08-27
    • US12052429
    • 2008-03-20
    • Ashwin SampathHusheng Li
    • Ashwin SampathHusheng Li
    • H04K1/10
    • H04L25/0224H04L5/0044H04L5/0051H04L27/261
    • Systems and methodologies are described that facilitate detecting impulsive interference of pilot signals in wireless communications networks and accounting for such interference in estimating data channels to decode the pilot signals. Portions of a received pilot signal can be compared to other portions to create correlated subsets of similar portions. The number of portions in a subset can indicate a high likelihood of non-interference, and portions that are not in the subsets can be disregarded or weighted less in estimating channels for decoding. In cases of ambiguous subsets or portions, one or more subsets/portions can each be used to estimate the channel and data can be decoded multiple times. The decoding that results in a higher decoding metric can be selected. Additionally, systems and methodologies for inserting pilot signals within data are described.
    • 描述了便于检测无线通信网络中导频信号的脉冲干扰的系统和方法,并且在估计数据信道以解码导频信号时考虑到这种干扰。 可将接收到的导频信号的部分与其他部分进行比较,以创建相似部分的相关子集。 子集中的部分数量可以指示高干扰的可能性,并且在估计用于解码的信道中,不在子集中的部分可被忽略或加权较少。 在模糊子集或部分的情况下,可以使用一个或多个子集/部分来估计信道,并且可以多次解码数据。 可以选择导致更高解码度量的解码。 另外,描述了用于在数据内插入导频信号的系统和方法。