name: 5A
full_form: Data modulation for the 1.28 Mcps option
context: Description: The quality estimate is derived from the transport channel BER [FDD - or physical channel BER.] [FDD - If the DCH FP frame includes TB's for the DCH which was indicated as "selected" with the QE-selector IE in the control plane (TS 25.433 [4] TS 25.423 [6]), then the QE is the transport channel BER for the selected DCH. If no transport channel BER is available the QE is the physical channel BER.] [FDD - If the value of the QE-Selector IE equals "non-selected" for all DCHs in the DCH FP frame, then the QE is the physical channel BER.] [TDD - If no transport channel BER is available, then the QE shall be set to 0. This is in particular the case when no transport blocks have been received. The value of QE will be ignored by the RNC in this case.] The quality estimate shall be set to the transport channel BER [FDD - or physical channel BER] and be measured in the units TrCh_BER_LOG [FDD - and PhCh_BER_LOG respectively] (see TS 25.133 [7] and TS 25.123 [8]). The quality
description: 5A is a specific data modulation technique used for the 1.28 Mcps (Megabits per second) option in UMTS and GSM systems. It's primarily employed in simulation scenarios to analyze co-existence between these two mobile communication standards.
explanation: Data modulation refers to the process of encoding information onto a carrier wave.  '5A' is identified as a specific modulation scheme used within a defined context (1.28 Mcps option) for UMTS and GSM simulations.
section_title: 4.2.1.3	 Simulation results and analysis
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