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13.6 PLFS/SyncE configuration
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13.7 PLFS/SyncE status
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13.8 GNSS configuration
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13.9 GNSS status
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14 Operations use cases
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14.1 Supervision failure handling and supervision termination handling
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14.1.1 Supervision failure handling
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14.1.2 Supervision termination handling
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14.2 Log management
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14.2.1 Introduction
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14.2.2 Troubleshooting log management
............................................................................................................. 105
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14.3 Trace
............................................................................................................................................................... 109
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14.4 Operational aspects of antenna line devices
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14.4.1 Introduction
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14.4.2 HDLC interworking
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14.4.3 ALD operations
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14.5 Operational aspects of external IO
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14.5.1 Introduction
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14.5.2 External input
............................................................................................................................................ 114
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14.5.3 External output
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14.6 O-RU connectors
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14.6.1 Introduction to O-RU connectors
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14.6.2 Connectors related to antennas and antenna arrays
................................................................................... 117 14.6.2.1 Antenna connectors ............................................................................................................................. 117 14.6.2.2 ....................................................................
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14.6.2.2.1 Feeder
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14.6.2.2.2 Beamforming calibration
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15 Details of O-RU operations
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15.1 Retrieval of O-RU information
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15.2 User plane message routing
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15.2.1 Introduction
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15.2.2 Configurable format for eAxC_ID
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15.2.3 U-Plane endpoint addressing
.................................................................................................................... 120
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15.2.4 General configuration scenario
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15.3 Carrier configuration
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15.3.1 Carrier creation
......................................................................................................................................... 123
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15.3.2 Activation, deactivation and sleep
............................................................................................................ 124 15.3.3 Carrier state’s relationship to synchronisation state .................................................................................. 125
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15.3.3.1 Synchronisation state and carrier state transitions
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15.3.3.2 Synchronization lost and HOLDOVER mode expired
....................................................................... 126
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15.3.3.3 External timing source restored
........................................................................................................... 127
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15.4 Beamforming
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15.4.1 Beamforming configuration
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15.4.2 Pre-defined beamforming configuration
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15.4.3 Beamforming configuration update
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15.4.4 Tilting pre-defined beams
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15.4.5 Dynamic beamforming control option
...................................................................................................... 136
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15.5 Antenna calibration
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15.5.1 Background
............................................................................................................................................... 136
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15.5.2 Overall operation
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15.5.2.1 General
................................................................................................................................................ 137
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15.5.2.2 Initiation
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15.5.2.3 Self-calibration operation
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15.5.2.4 Calibration completion
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15.5.2.5 Antenna calibration procedure
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15.5.3 O-RU antenna calibration capability parameter configuration
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15.5.4 antenna-calibration-required notification parameters
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15.5.5 Start-antenna-calibration RPC request parameters
................................................................................... 141
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15.5.6 Example antenna calibration operation
..................................................................................................... 141
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15.5.7 Calibration with multiple timing resource sets
......................................................................................... 144
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15.5.8 antenna-calibration-multiple-time-resource-params notification parameters
........................................... 144
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15.6 Static configuration for PRACH and SRS
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15.6.1 Background
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15.6.2 Static configuration for PRACH processing
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15.6.3 Frequency domain configuration
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15.6.4 Time domain configuration
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15.6.5 Operation
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15.6.6 Static configuration for raw SRS processing
............................................................................................ 148
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15.6.7 Operation
.................................................................................................................................................. 149
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15.7 TDD pattern configuration
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15.8 C-Plane message limits
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15.9 Advanced endpoint capability report
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15.10 U-Plane message limits
.................................................................................................................................. 155
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16 Licensed assisted access
....................................................................................................................... 155 ETSI ETSI TS 104 023 V12.01 (2024-05) 7
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16.1 Introduction:
................................................................................................................................................... 155
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16.2 LAA-initiation process
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16.2.1 LAA module capabilities
.......................................................................................................................... 156
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16.2.2 LAA O-RU parameter configuration
........................................................................................................ 157
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16.3 Carrier selection
............................................................................................................................................. 158
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16.3.1 LAA measurements
.................................................................................................................................. 158
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16.3.2 LAA carrier frequency configuration
....................................................................................................... 158
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17 Shared cell
............................................................................................................................................ 158
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17.1 Introduction
.................................................................................................................................................... 158
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17.2 Architecture
.................................................................................................................................................... 159
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17.3 Start-up and Installation
................................................................................................................................. 160
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17.4 Performance management
.............................................................................................................................. 164
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17.5 Delay management
......................................................................................................................................... 165
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17.6 Details of O-RU operations for shared cell
.................................................................................................... 166
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17.6.1 O-RU information for shared cell
............................................................................................................. 166
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17.6.2 Topology discovery procedure
................................................................................................................. 168
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17.6.3 Shared cell configuration
.......................................................................................................................... 169
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17.6.4 U-plane configuration for FHM mode
...................................................................................................... 173
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17.6.5 Support of selective transmission and reception function
......................................................................... 173
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17.7 Cascade-FHM mode
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17.7.1 Background
............................................................................................................................................... 174
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17.7.2 Shared cell configuration on cascaded FHMs
........................................................................................... 174
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18 Configured subscriptions
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18.1 Introduction
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18.2 Description
..................................................................................................................................................... 175
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18.3 Procedure
........................................................................................................................................................ 175
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18.4 Notification encoding
..................................................................................................................................... 176
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18.5 Notification transport
..................................................................................................................................... 177
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18.6 Monitoring the communications channel between O-RU and Event-Collector
............................................. 178