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    • 2. 发明申请
    • MULTIPLE FREQUENCY BAND OPERATION IN WIRELESS NETWORKS
    • 无线网络中的多频段操作
    • WO2006045097A2
    • 2006-04-27
    • PCT/US2005038079
    • 2005-10-20
    • QUALCOMM INCNANDA SANJIVSURINENI SHRAVAN KWALTON J RODNEY
    • NANDA SANJIVSURINENI SHRAVAN KWALTON J RODNEY
    • H04L12/28H04W16/14H04W24/00H04W72/02H04W72/04H04W76/02
    • H04W72/02H04W16/14H04W24/00H04W76/02
    • Embodiments for bandwidth allocation methods, detecting interference with other systems, and/or redeploying in alternate bandwidth are described. Higher bandwidth channels may be deployed at channel boundaries (410), which are a subset of those for lower bandwidth channels (310), and may be restricted from overlapping. Interference may be detected (930) on primary, secondary, or a combination of channels, and may be detected in response to energy measurements (910) of the various channels. When interference is detected, a higher bandwidth Basic Service Set (BSS)(100) may be relocated to an alternate channel, or may have its bandwidth reduced to avoid interference. Interference may be detected based on energy measured on the primary or secondary channel, and/or a difference between the two. An FFT (1010) may be used in energy measurement in either or both of the primary and secondary channels. Stations may also monitor messages from alternate systems to make channel allocation decisions. Various other aspects are also presented.
    • 描述了用于带宽分配方法,检测对其他系统的干扰,和/或重新部署在备用带宽中的实施例。 可以在信道边界(410)处部署更高带宽的信道,该信道边界是用于较低带宽信道(310)的子集的子集,并且可以被限制为不重叠。 可以在主通道,辅通道或通道组合上检测(930)干扰,并且可以响应于各种通道的能量测量(910)来检测干扰。 当检测到干扰时,可以将更高带宽的基本服务集(BSS)(100)重新定位到备用信道,或者可以减小其带宽以避免干扰。 可以基于在主要或次要信道上测量的能量和/或两者之间的差异来检测干扰。 FFT(1010)可用于主通道和辅助通道中的任一者或两者中的能量测量。 电台还可以监视来自备用系统的信息,以作出信道分配决定。 还介绍了各种其他方面。