name: ETC
full_form: Extreme testing conditions
context: [12] clause 5.6.1 is provided to the UE through any preconfigured means. 2. Test equipment shall emulate the signal with doppler and delay according to ephemeris defined in TS 36.508 [12] table 5.6.2.1-1 for GSO if UE supports only GSO or both GSO and NGSO satellites and table 5.6.2.1-3 for NGSO (LEO-1200) if UE supports only NGSO satellites. 3. Deactivate UE prediction of satellite trajectory by any preconfigured means 4. Ensure the UE is in State 3A-RF-CE according to TS 36.508 [7] clause 5.2A.2AA. Message contents are defined in clause 6.4A.1.4.3. 5. SS transmits PDSCH via MPDCCH DCI format 6-1A for C_RNTI to transmit the DL RMC according to Table 6.4A.1.4.1-1. The SS sends downlink MAC padding bits on the DL RMC. 6. SS sends uplink scheduling information for each UL HARQ process via MPDCCH DCI format 6-0A for C_RNTI to schedule the UL RMC according to Table 6.4A.1.4.1-1, since the UE has no payload data to send, the UE transmit uplink MAC padding bits on the UL RMC 7. Set the
description: Extreme Testing Conditions (ETC) is a rigorous and comprehensive evaluation process for candidate methodologies used in MIMO Over-The-Air (OTA) testing. It assesses various attributes of these methodologies, such as feasibility, supported metrics, SNR control, and antenna-based methods, to determine their effectiveness.
explanation: ETC is classified as a Testing Methodology because its primary function is to evaluate and assess the performance and suitability of different methodologies used in MIMO OTA testing.  It provides a structured framework for comparing and selecting the most effective approaches.
section_title: 9.1	Comparison of Candidate Methodologies
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