公开(公告)号：US20130303089A1

公开(公告)日：2013-11-14

申请号：US13651823

申请日：2012-10-15

Applicant: APPLE INC.

Inventor： Xiaowen Wang ,  Weiping Dou ,  Warren Lee ,  Zhaojun Cheng ,  Syed Aon Mujtaba

IPC: H04W24/00

CPC classification number: H04W24/06 ,  H04W88/02

Abstract: A system and method for wireless device testing. The system includes a reverberation chamber (RC) and a downlink channel emulator. A wireless device is placed within the RC. Probe antennas are positioned within the RC. The downlink (DL) channel emulator couples to the probe antennas. The DL channel emulator is configured to: (a) receive downlink stimulus signals; and (b) generate downlink intermediate signals based on the downlink stimulus signals in order to emulate desired downlink channel characteristics. The probe antennas are configured to respectively transmit the downlink intermediate signals into the RC for reception by the wireless device. The system may also include an uplink channel emulator, which receives uplink transmit signals from the RC, and generates uplink terminal signals based on the uplink transmit signals in order to emulate desired uplink channel characteristics. The uplink transmit signals may be used to evaluated the performance of the wireless device.

Abstract translation: 一种用于无线设备测试的系统和方法。 该系统包括混响室（RC）和下行链路信道仿真器。 无线设备放置在RC内。 探头天线位于RC内。 下行链路（DL）信道仿真器耦合到探测天线。 DL通道仿真器被配置为：（a）接收下行链路刺激信号; 并且（b）基于下行链路刺激信号生成下行链路中间信号，以便模拟期望的下行链路信道特性。 探测天线被配置为分别将下行链路中间信号发送到RC以供无线设备接收。 该系统还可以包括上行链路信道仿真器，其从RC接收上行链路发送信号，并且基于上行链路发送信号生成上行链路终端信号，以便模拟期望的上行链路信道特性。 上行链路传输信号可以用于评估无线设备的性能。