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    • 37. 发明授权
    • Co-channel congestion method and apparatus
    • 同频道拥塞方法和装置
    • US07633901B2
    • 2009-12-15
    • US11159481
    • 2005-06-23
    • Michael YuenDavid HillRoger Durand
    • Michael YuenDavid HillRoger Durand
    • H04W4/00H04W72/00
    • H04W72/02H04W24/10H04W88/08
    • A system and method for Access Point (AP) channel selection based upon a Channel Quality Index (CQI) is described. The Channel Quality Index (CQI) is a value which quantifies a transmission quality of a channel. The transmission quality is evaluated based on a combination of different types of measured interference in the channel. In one embodiment the different types of measured interference include co-channel congestion, adjacent channel interference and in-band interference. The CQI is a value derived from the measurements, and for example may be a sum of all of the measurements. Each AP of the present invention determines the CQI of potential transmission channels, and selects a channel for use which has the ‘best’ CQI; for example if the CQI is a sum of all measured interferences, the ‘best’ AP is the one with the lowest CQI.
    • 描述了基于信道质量指数(CQI)的接入点(AP)信道选择的系统和方法。 信道质量指标(CQI)是量化通道的传输质量的值。 基于通道中不同类型的测量干扰的组合来评估传输质量。 在一个实施例中,不同类型的被测干扰包括同信道拥塞,相邻信道干扰和带内干扰。 CQI是从测量得到的值,例如可以是所有测量的总和。 本发明的每个AP确定潜在传输信道的CQI,并选择具有“最佳”CQI的使用信道; 例如,如果CQI是所有测量的干扰的总和,则“最佳”AP是CQI最低的那个。