name: SDR
full_form: Sustained Data Rate
context: For FDD single carrier or CA, UE is required to fulfill SDR tests specified in section 8.7.9. For TDD single carrier or CA, UE is required to fulfill SDR tests specified in section 8.7.10. For TDD-FDD CA, UE is required to fulfill SDR test in section 8.7.11. For FDD DC, UE is required to fulfill SDR tests specified in section 8.7.13. For TDD DC, UE is required to fulfill SDR tests specified in section 8.7.14. For TDD-FDD DC, UE is required to fulfill SDR test in section 8.7.15. For single carrier or CA SDR tests, CA configuration, bandwidth combination and MIMO layer on each CC is determined by following procedure. - Select one CA bandwidth combination among all supported CA configurations with bandwidth combination and MIMO layer on each CC that leads to largest equivalent aggregated bandwidth among all CA bandwidth combinations supported by UE. Equivalent aggregated bandwidth is defined as where is number of CCs, and is MIMO layer and bandwidth of CC . - When there are multiple sets
description: Sustained Data Rate (SDR) refers to the measurement of a UE's ability to maintain a certain level of data transmission rate over a period of time. It is an important metric for evaluating the performance of user equipment in various network configurations, including single carrier, carrier aggregation (CA), and dual connectivity (DC). The SDR tests are specified in different sections of the 3GPP TS 36.101 standard, depending on the type of network configuration and the capabilities of the UE.
explanation: The context explicitly states that SDR is a 'measurement' used to evaluate the performance of user equipment (UE) in different network scenarios. It quantifies the data transmission rate maintained over time, making it a measurable characteristic.
section_title: 8.1.2.3C	Applicability and test rules for SDR tests for 4Rx capable UEs
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