name: EIS
full_form: Equivalent Isotropic Sensitivity
context: of the CCDF of EIS measured over the full sphere around the UE is defined as the spherical coverage requirement and is found in Table 7.3.4.3-1 below. The requirement is verified with the test metric of EIS (Link=Spherical coverage grid, Meas=Link angle). Table 7.3.4.3-1: EIS spherical coverage for power class 1 For power class 2, the maximum EIS at the 60th percentile of the CCDF of EIS measured over the full sphere around the UE is defined as the spherical coverage requirement and is found in Table 7.3.4.3-2 below. The requirement is verified with the test metric of EIS (Link=Spherical coverage grid, Meas=Link angle). Table 7.3.4.3-2: EIS spherical coverage for power class 2 For power class 3, the maximum EIS at the 50th percentile of the CCDF of EIS measured over the full sphere around the UE is defined as the spherical coverage requirement and is found in Table 7.3.4.3-3 below. The requirement is verified with the test metric of EIS (Link=Spherical coverage grid, Meas=Link angle).
description: Equivalent Isotropic Sensitivity (EIS) is a measure used to evaluate the performance of user equipment (UE) in terms of its sensitivity to radio signals. It represents the minimum signal strength required for reliable communication and is typically measured over a spherical coverage area around the UE.
explanation: The context provided from 3GPP TS 38.521, section 7.3.4, clearly indicates that EIS is used as a metric to define spherical coverage requirements for different power classes of UEs. The mention of specific percentiles (60th and 50th) of the Cumulative Distribution Function (CDF) of EIS further supports its classification as a measurement.
section_title: 7.3.4EIS spherical coverage
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