name: MBR
full_form: Multiband relaxation
context: in RAN5. The maximum MBR value decides how much relaxation to be required for each test case. In MOP (EIRP) analysis, MBR = 1.7 dB (value for UEs supporting n257, n258, n260, n261) is selected as maximum MBR. This means analysis of testability issue needs to be conducted again if maximum MBR is updated in the future. If maximum MBR becomes larger, RAN5 will need to re-evaluate testability issues per test case. Hence RAN5 cannot and does not intend to keep re-opening testability topics considered complete. These concerns have been addressed by enhancing the MBR framework in the following way: - In the scope of Rel-15: - RAN4 introduces a maximum cap to the per-band relaxation factors, such that âMBP,n â¤ 0.75 dB and âMBS,n â¤ 0.75 dB - This MBR framework is applicable to the bands defined in Rel-15 (i.e. n257, n258, n260, n261) and is defined only in the Rel-15 version of TS38.101-2 - In the scope of Rel-16 and beyond: - RAN4 defines fixed per-band relaxation factors, âMBP,n and âMBS,n,
description: Maximum MBR (Multiband Relaxation) is a crucial network attribute that determines the level of relaxation needed for each test case within the FR2 UE MBR Enhancement framework. It directly influences the assessment of testability issues and is subject to modifications, potentially requiring reassessment of testability aspects.
explanation: The text describes 'Maximum MBR' as a parameter that governs relaxation in test cases, highlighting its role in network performance analysis and configuration. This classification aligns with the definition of a network parameter.
section_title: 4.1FR2 UE MBR Enhancement
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