name: RMS
full_form: Root-Mean Square
context: sending identical TPC bits (excluding the cells which are not in the E-DCH active set). For 3.84 Mcps and 7.68 Mcps TDD: The E-DCH ACK/NACKs are transmitted via the current serving cell on a physical channel called the E-HICH. For 1.28 Mcps TDD: For each uplink frequency, an E-DCH ACK/NACK is transmitted via the current serving cell on the E-HICH indicated on E-AGCH. The E-DCH Absolute Grant is transmitted by a single cell, the Serving E-DCH cell (Cell es on figure 3) on a physical channel called E-AGCH. The Serving E-DCH cell and the HS-DSCH Serving cell are identical except when Serving E-DCH cell decoupling operation is configured (i.e. Cell es â  Cell 1 on figure 3). The E-DCH Relative Grants (FDD only) can be transmitted by each cell of the E-DCH active set on a physical channel called E-RGCH. The E-RGCHs of the cells belonging to the same serving E-DCH RLS shall have the same content and be combined by the UE. There is one Serving E-DCH RLS (containing the Serving E-DCH cell) and
description: The Root-Mean Square (RMS) delay spread is a measurement parameter used to characterize the power-delay-profile (PDP) in a reverberation chamber. It represents the square root of the average of the squared values of the time delays in the PDP, providing an indication of the spread or dispersion of the signal in the time domain.
explanation: The context explicitly mentions that RMS delay spread is used to characterize the chamber's PDP and provides methods for its calculation. This indicates that RMS is a quantifiable metric used to assess the performance of the reverberation chamber, fitting into the Measurement category.
section_title: B.3.2.1.	Tuning Reverberation Chamber to Specific Channel Model
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