公开(公告)号：US20140087668A1

公开(公告)日：2014-03-27

申请号：US13629414

申请日：2012-09-27

Applicant: APPLE INC

Inventor： Matthew A. Mow ,  Thomas E. Biedka ,  Ming-Ju Tsai ,  Liang Han ,  Xu Han ,  Anand Lakshmanan ,  Nanbo Jin ,  Hongfei Hu ,  Dean F. Darnell ,  Joshua G. Nickel ,  Jayesh Nath ,  Yijun Zhou ,  Hao Xu ,  Yuehui Ouyang ,  Nirali Shah ,  Mattia Pascolini ,  Robert W. Schlub ,  Ruben Caballero

IPC: H04W24/00

CPC classification number: H04W24/08 ,  H04B17/318 ,  H04B17/345 ,  H04W24/06

Abstract: Radio frequency test systems for characterizing antenna performance in various radio coexistence scenarios are provided. In one suitable arrangement, a test system may be used to perform passive radio coexistence characterization. During passive radio coexistence characterization, at least one signal generator may be used to feed aggressor signals directly to antennas within an electronic device under test (DUT). The aggressor signals may generate undesired interference signals in a victim frequency band, which can then be received and analyzed using a spectrum analyzer. During active radio coexistence characterization, at least one radio communications emulator may be used to communicate with a DUT via a first test antenna. While the DUT is communicating with the at least one radio communications emulator, test signals may also be conveyed between DUT 10 and a second test antenna. Test signals conveyed through the second test antenna may be used in obtaining signal interference level measurements.

Abstract translation: 提供了用于在各种无线电共存场景中表征天线性能的射频测试系统。 在一种合适的布置中，可以使用测试系统来执行被动无线电共存表征。 在被动无线电共存表征期间，可以使用至少一个信号发生器将攻击者信号直接馈送到被测电子设备（DUT）内的天线。 攻击者信号可能在受害频段中产生不期望的干扰信号，然后使用频谱分析仪接收和分析。 在有源无线电共存表征期间，可以使用至少一个无线电通信仿真器来经由第一测试天线与DUT进行通信。 当DUT正在与至少一个无线电通信仿真器进行通信时，也可以在DUT 10和第二测试天线之间传送测试信号。 通过第二测试天线传送的测试信号可用于获得信号干扰电平测量。