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Thread: gNodeB Function Parameter Reference

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    Post gNodeB Function Parameter Reference

    This document describes the MO parameters of 3900 & 5900 series base stations (gNodeBFunction).

    The following table describes the attributes of each parameter.
    Parameter Attribute Description
    MO Managed object of NE.
    Parameter ID A simple character string used for identifying a parameter.
    Parameter Name Name of a parameter.
    NE NE Type of a product displayed on the Network Management. For a 5900 series base station (which is a DBS5900, DBS5900 LampSite, BTS5900, BTS5900A, BTS5900L or BTS5900AL), the value can be BTS5900, BTS5900 WCDMA, BTS5900 LTE, and BTS5900 5G. Among these values, BTS5900 indicates a co-MPT base station; BTS5900 WCDMA indicates a UMTS base station; BTS5900 LTE indicates an LTE base station; BTS5900 5G indicates a 5G base station.
    MML Command Man Machine Language (MML) command related to the parameter.
    Meaning Function of a parameter, protocol that defines the parameter, whether the parameter is an advanced parameter.
    Advanced parameters are not configured through northbound interfaces. To modify these parameters, contact Huawei Customer Service Center for technical support.
    If parameters meet one of the following conditions, they are treated as advanced parameters:
    1. Parameters are temporarily introduced in a new feature or a customized feature to achieve optimal network performance.
    These parameters will have fixed values and will be deleted after the beta test or test at the customized site.
    2. Modifications to these parameters have a great impact on network KPIs or performance.
    Normally, modifications of these parameters are not required for features. To achieve optimal network performance, multiple parameters must be modified because modification of a single parameter has little effect on the network and even may cause accidents, for example, service interruption.
    IsKey Whether the parameter is used to identify an MO instance.
    Mandatory Whether the parameter is mandatory for creating an MO instance.
    Dynamic Attribute Whether the parameter is dynamic for an MO. If the parameter is not dynamic, it can be added, modified, or removed; if the parameter is dynamic, it cannot.
    Feature ID ID of the feature that uses the parameter.
    Feature Name Name of the feature that uses the parameter.
    Value Type Type of a parameter value. For example, IP Address Type, Compound Type, Enumeration Type, Interval Type, Bit Field Type, Character String Type, Wildcard Mask Type, Subnet Mask Type, Password Type, Any Type, BCD Number Type, Struct.
    GUI Value Range Range of the parameter values displayed on the GUI.
    The value of a string parameter cannot contain the following characters:
    ; , = " '
    Two or more percent signs (%) or spaces, +++ (start character of an MML message), or --- END (end character of an MML message)
    NULL or <NULL>, which indicates that an attribute of an MML message is null
    ASCII control characters 0 to 31 (0x00 to 0x1F) and 127 (0x7F)
    Spaces at both ends
    Note:
    The value of the Directory, File Name, and URL parameters can contain a backslash (\) or slash (/).
    The restrictions on parameter values of special character strings may differ from the preceding restrictions. For details, see the descriptions of the Meaning or Parameter Relationship fields.
    The value of a password parameter cannot contain the following characters:
    ; , = " '
    Two or more percent signs (%) or spaces, +++ (start character of an MML message), or --- END (end character of an MML message)
    Enumeration Number/Bit Enumeration number corresponding to the GUI value of a parameter of the enumeration type, or bit position corresponding to the GUI value of a parameter of the bit field type. N/A is filled if the parameter value is not enumeration type or bit field type.
    Note: For a parameter of the bit field type, bit position lists only the bits in use. Bits not in use are set to 0 and not described in this document.
    Unit Unit of a parameter value displayed on the GUI.
    Actual Value Range Range of the actual values corresponding to the parameter values displayed on the GUI.
    Default Value Initial value assigned by the system for a parameter. None indicates that no default value is available.
    For a mandatory parameter, no default value is available.
    Generally, it is displayed on the configuration window of an ADD command but not displayed on the configuration window of a MOD/RMV/DSP/LST/SET command.
    Note:
    1. If the MO of the parameter is added by the system by default, refer to the Recommended Value column to see the parameter value.
    2. For bit field type parameters, sub-parameter:On (the corresponding bit is set to 1) indicates that the sub-parameter is selected in the check box on the configuration window. In this case, the corresponding switch will be turned on, the corresponding object will be selected, or the corresponding operation will be performed; sub-parameter:Off (the corresponding bit is set to 0) indicates that the sub-parameter is deselected in the check box on the configuration window. In this case, the corresponding switch will be turned off, the corresponding object will be deselected, or the corresponding operation will not be performed.
    Recommended Value Parameter values recommended for different scenarios. None indicates that no default value is available.
    Note:
    For bit field type parameters, sub-parameter:On (the corresponding bit is set to 1) indicates that the sub-parameter is selected in the check box on the configuration window. In this case, the corresponding switch will be turned on, the corresponding object will be selected, or the corresponding operation will be performed; sub-parameter:Off (the corresponding bit is set to 0) indicates that the sub-parameter is deselected in the check box on the configuration window. In this case, the corresponding switch will be turned off, the corresponding object will be deselected, or the corresponding operation will not be performed.
    Initial Value Source Source for the initial configuration of a parameter. The initial value source can be:
    Radio planning (Internal planning): The parameter value comes from the radio network plan, facilitating resource management on the NE.
    Radio planning (Negotiation with the peer): The parameter value comes from the radio network plan. The NE negotiates this value with the peer device to ensure successful interworking.
    Transport planning (Internal planning): The parameter value comes from the transport network plan, facilitating resource management on the NE.
    Transport planning (Negotiation with the peer): The parameter value comes from the transport network plan. The NE negotiates this value with the peer device to ensure successful interworking.
    Equipment planning: The parameter value comes from the equipment plan.
    Engineering design: The parameter value comes from the algorithm or function design.
    Default/recommended value: The parameter value uses the default or recommended value, where the recommended value is preferential. The default/recommended value can be used in most scenarios and adjusted for a specific scenario.
    N/A: The parameter value is not required.
    Impact Parameter impact scope.
    Parameter Relationship Relationship with other parameters. For example, to use this parameter, you need to set related switches and parameters. Parameter relationships can be Configuration constraints, Parameter relationship with conditions, or Others.
    Configuration constraints: describe the configuration constraints between parameters. Checking the configuration validity fails if the configuration constraints are not met.
    Parameter relationship with conditions: describes the branch relationship between parameters. Parameter B can be set only when parameter A is set to a certain value.
    Others: describe other types of parameter relationships, for example, parameter constraints between functions. When parameter settings do not meet the parameter constraints between functions, checking the configuration validity succeeds, but the configuration does not take effect.
    Note: Parameter relationship with conditions is displayed on the LMT, and therefore it is not described in MML Command Reference. Parameter relationship with conditions is provided only in MO and Parameter Reference.
    Access Whether a parameter has one of the following properties:
    Read/Write: The parameter can be added, deleted, or modified.
    Read Only: The parameter can be added or deleted only.
    Service Interrupted After Modification Whether the parameter modification interrupts the ongoing services. One of the following comments is provided:
    Yes: The modification interrupts the ongoing services.
    No (And no impact on the UE in idle mode): The modification does not interrupt the ongoing services, and has no impact on the network access of UEs in idle mode.
    No (For the UE in idle mode, ...): The modification does not interrupt the ongoing services, but affects network access of UEs in idle mode...
    N/A: This comment is used when a parameter cannot be modified.
    Interruption Scope Possible interruption scope.
    Interruption Duration (min) Possible interruption duration (unit: minute).
    Caution Cautions to be taken during the modification.
    Validation of Modification How this parameter takes effect and whether the equipment needs to be restarted after the modification. The parameter modification does not impact the equipment means that the parameter takes effect immediately after the modification.
    Impact on Radio Network Performance Impact of the parameter on radio network performance.
    Introduced in Version… Product version in which the parameter is introduced.
    Attribute Whether the parameter is a radio parameter, a transport parameter, or an equipment parameter.
    Applicable Mode Indicates the mode or modes to which a parameter applies. The applicable mode can be one of, or a combination of, the following values:
    G: This parameter applies to GSM.
    U: This parameter applies to UMTS.
    L: This parameter applies to LTE FDD, LTE TDD, and NB-IoT.
    L-FDD: This parameter applies only to LTE FDD.
    L-TDD: This parameter applies only to LTE TDD.
    L-NB-IoT: This parameter applies only to NB-IoT.
    N: This parameter applies to NR TDD (including low and high frequency bands), NR FDD, and NR SUL.
    N-TDD: This parameter applies to NR TDD (including low and high frequency bands).
    N-TDD-FR1: This parameter applies to NR TDD in low frequency bands.
    N-TDD-FR2: This parameter applies to NR TDD in high frequency bands.
    N-FDD: This parameter applies to NR FDD.
    N-SUL: This parameter applies to supplementary uplink (SUL).
    R: This parameter applies to the radio frequency access (RFA) application. The RFA application is used only in the LampSite solution, and supports only co-MPT base stations. It performs remote transmission and amplification of RF signals, and complies with the 3GPP repeater radio transmission and reception protocol (GSM: 3GPP TS 51.026, UMTS: 3GPP TS 25.106, and LTE: 3GPP TS 36.106).
    If a parameter applies to more than one mode, the values are separated by commas. For example, the value G,U indicates that a parameter applies to GSM and UMTS.
    When configuring parameter settings for a given mode, only those parameters that apply to that mode will affect the system. Configuring a parameter that does not apply to that mode has no effect, even if configuration is successful.

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