Measurement procedure: Establish a loopback test mode between the mobile station and the base station simulator (for the specific setting of the return mode, see section 5.3 of 3GPP 34.109). During the test, the EUT's transmit power control should continuously transmit to the EUT "Power up" command to ensure that the EUT transmits at maximum power throughout the test. The three channels on the selected 2GHz band are required to be tested, as shown in the following table:
c. Measure the BER of the intermediate channel. The BER should not exceed 1.2%.
Measurement limit: The complete receiver sensitivity measurement should include both free space and head model configurations (if applicable) and the main mechanical mode supported by the EUT (such as the flip open state of the flip EUT and the slide of the slide EUT All channels are tested in the open state and the antenna retractable state of the antenna retractable EUT). In addition, the relative sensitivity of the intermediate channel should also be tested.
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