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IN PROGRESS
This topic presents in a very simplified way all the main concepts that should be understood by those who know 5G NR.
5G NR Measurement Reporting
5G NR Measument Reports are how 5G networks manage signal measurements to ensure reliable connectivity and efficient handovers between cells. Devices (UEs) in an active connection (RRC Connected mode) perform and report signal measurements to the base station, focusing on intra-frequency (same frequency), inter-frequency (different frequencies), or inter-system (different networks like LTE) scenarios. Measurements in 5G can be taken at either the beam level (smaller segments of the signal, crucial for precise targeting) or the cell level (overall quality from the cell). Beam-level measurements provide finer granularity, enabling 5G to utilize its advanced beamforming capabilities, which is a step forward from LTE’s simpler cell-focused measurements. Measurement configurations link specific reporting rules (periodic or event-based) to measurement resources like SS/PBCH Blocks or CSI Reference Signals. For instance, periodic reports might include signal strength (RSRP), quality (RSRQ), or noise levels (SINR) at defined intervals, while event-based reports are triggered by specific conditions, like a neighboring cell becoming stronger than the current one (Event A3). Measurement Objects define the resources to be measured, including frequencies and specific cell attributes. Some cells can be “blacklisted” to exclude them from consideration or “whitelisted” for prioritized evaluation. Measurement Gaps are also configured to allow the device to temporarily pause communication with its serving cell to tune into and measure other frequencies or systems. For example, this is critical in millimeter-wave 5G (FR2), where beamforming requires precise alignment, and measurement gaps allow the device to redirect its beam or retune its transceiver. Compared to LTE, 5G enhances this process with more sophisticated configurations, such as support for beam-level measurements, more granular event triggers, and expanded gap management for high-frequency bands. These advancements ensure better mobility, faster handovers, and higher reliability in complex environments.
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- Cell Level Results
- Layer 3 Filtering
- Event A1
- Event A2
- Event A3
- Event A4
- Event A5
- Event A6
- Event B1
- Event B2
Cell Level Results
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5G NR Cell Level Results 
Layer 3 Filtering
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Event A1
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Event A2
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Event A3
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Event A4
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Event A5
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Event A6
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Event B1
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Event B2
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