name: PL
full_form: Preferred Layer
context: Table 16.2.3.5-1 and Table 16.2.3.5-2 define the primary level settings including the test tolerances for the test. Table 16.2.3.5-1: General test parameters for PRS RSRP measurement reporting delay Table 16.2.3.5-2: Cell-specific test parameters for PRS RSRP measurement reporting delay The PRS RSRP measurement time fulfils the requirements specified in TS 38.133 [50] Clause 9.9.3.5.The UE shall perform and report the PRS RSRP measurements for both Cell1 and Cell within the time duration specified in TS 38.133 [50] section 9.9.3.5 starting from the beginning of time interval T2. The rate of the correct events for the neighbour cell observed during repeated tests shall be at least 90%, where the reported PRS RSRP measurement for each correct event shall be within the PRS RSRP reporting range specified in TS 38.133 [50] Clause 10.1.24.3, i.e., between PRS RSRP_0 and PRS RSRP_126. The response time is equal to the LPP time IE value plus the test tolerance. The LPP time IE value is derived
description: The Preferred Layer (PL) refers to a statistical upper-bound of the Positioning Error (PE) that ensures the probability of the true error being greater than the Alert Limit (AL) and the PL being less than or equal to the AL, for longer than the Time-To-Alert (TTA), is less than the required Target Integrity Risk (TIR). It is a key parameter in assessing the reliability of positioning data and associated alerts.
explanation: The context describes the Preferred Layer as a statistical upper-bound related to Positioning Error, which indicates it's a specific value or threshold used in calculations. This classification as a Parameter is based on its role in defining a limit for error probability within a specific inequality, highlighting its use as a quantifiable measure in positioning data assessment.
section_title: 3.1	Definitions
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