The present document covers the assessment of NR, E-UTRA, UTRA, GSM/EDGE and NB-IoT Multi-Standard Radio (MSR) Base Stations and associated ancillary equipment in respect of Electromagnetic Compatibility (EMC).
The present document specifies the applicable test conditions, performance assessment and performance criteria for NR, E-UTRA, UTRA, GSM/EDGE and NB-IoT Base Stations and associated ancillary equipment in one of the following categories:
Multi-Standard Radio (MSR) Base Stations for NR, E-UTRA, UTRA and GSM/EDGE meeting the requirements of TS 37.104, with conformance demonstrated by compliance to TS 37.141.
BS type 1-C for NR meeting the requirements of TS 38.104, with conformance demonstrated by compliance to TS 38.141-1
Base Stations for E-UTRA meeting the requirements of TS 36.104, with conformance demonstrated by compliance to TS 36.141.
Base Stations for UTRA FDD meeting the requirements of TS 25.104, with conformance demonstrated by compliance to TS 25.141.
Base Stations for UTRA TDD meeting the requirements of TS 25.105, with conformance demonstrated by compliance to TS 25.142.
Base Stations for GSM/EDGE meeting the requirements of TS 45.005, with conformance demonstrated by compliance to TS 51.021.
Base Stations for NB-IoT meeting the requirements of TS 36.104, with conformance demonstrated by compliance to TS 36.141.
In addition to MSR base stations, the present document covers other BS supporting more than one RAT.
Technical requirements related to the antenna port of Base Stations are not included in the present document. These are found in the relevant product standards [2]-[11], [35], [36].
The environment classification used in the present document refers to the residential, commercial, and light industrial environment classification used in IEC 61000-6-1 [12], IEC 61000-6-3 [13] and IEC 61000-6-8 [41].
The EMC requirements have been selected to ensure an adequate level of compatibility for apparatus at residential, commercial and light industrial environments. The levels, however, do not cover extreme cases which may occur in any location but with low probability of occurrence.
The following documents contain provisions which, through reference in this text, constitute provisions of the present document.
References are either specific (identified by date of publication, edition number, version number, etc.) or non-specific.
For a specific reference, subsequent revisions do not apply.
For a non-specific reference, the latest version applies. In the case of a reference to a 3GPP document (including a GSM document), a non-specific reference implicitly refers to the latest version of that document in the same Release as the present document.
IEC 61000-6-3: 2020: "Electromagnetic compatibility (EMC) - Part 6-3: Generic standards - Emission standard for equipment in residential environments".
ITU-R Recommendation SM.1539-1 (2001): "Variation of the boundary between the out-of-band and spurious domains required for the application of Recommendations ITU-R SM.1541 and ITU-R SM.329".
IEC 61000-3-12 (2005): "Electromagnetic compatibility (EMC) - Part 3-12: Limits - Limits for harmonic current produced by equipment connected to public low-voltage system with input current >16 A and ≤ 75 A".
IEC 61000-3-3 (2002): "Electromagnetic compatibility (EMC) - Part 3-3: Limits - Limitation of voltage fluctuations and flicker in low-voltage supply systems for equipment with rated current ≤ 16 A".
IEC 61000-3-11 (2000): "Electromagnetic compatibility (EMC) - Part 3-11: Limits - Limitation of voltage fluctuations and flicker in low-voltage supply systems for equipment with rated current ≤ 75 A and subject to conditional connections".
IEC 61000-4-6: "Electromagnetic compatibility (EMC) - Part 4-6: Testing and measurement techniques - Immunity to contacted disturbances, induced by radio frequency fields".
IEC 61000-4-11: "Electromagnetic compatibility (EMC) - Part 4-11: Testing and measurement techniques - Voltage dips, short interruptions and voltage variations. Immunity tests".
IEC 61000-6-8: 2020: "Electromagnetic compatibility (EMC) - Part 6-8: Generic standards - Emission standard for professional equipment in commercial and light-industrial locations".
For the purposes of the present document, the terms and definitions given in TR 21.905 and the following apply. A term defined in the present document takes precedence over the definition of the same term, if any, in TR 21.905.
Ancillary equipment:
Equipment (apparatus), used in connection with a receiver, transmitter or transceiver is considered as an ancillary equipment (apparatus) if:
the equipment is intended for use in conjunction with a receiver, transmitter or transceiver to provide additional operational and/or control features to the radio equipment, (e.g. to extend control to another position or location); and
the equipment cannot be used on a stand-alone basis to provide user functions independently of a receiver, transmitter or transceiver; and
the receiver, transmitter or transceiver to which it is connected, is capable of providing some intended operation such as transmitting and/or receiving without the ancillary equipment (i.e. it is not a sub-unit of the main equipment essential to the main equipment basic functions).
antenna connector:
connector at the conducted interface of the BS type 1-C
Band category:
group of operating bands for which the same MSR scenarios apply
Base Station equipment:
Radio and/or ancillary equipment intended for operation at a fixed location and powered directly or indirectly (e.g. via an AC/DC converter or power supply) by AC mains network, or an extended local DC mains network.
Base Station RF bandwidth:
The bandwidth in which a Base Station transmits and/or receives multiple carriers and/or RATs simultaneously.
Base Station RF bandwidth edge:
The frequency of one of the edges of the Base Station RF bandwidth.
BS type 1-C:
NR base station operating at FR1 with requirements set consisting only of conducted requirements defined at individual antenna connectors.
Channel bandwidth:
The RF bandwidth supporting a single E-UTRA RF carrier with the transmission bandwidth configured in the uplink or downlink of a cell. The channel bandwidth is measured in MHz and is used as a reference for transmitter and receiver RF requirements.
Continuous phenomena (continuous disturbance):
Electromagnetic disturbance, the effects of which on a particular device or equipment cannot be resolved into a succession of distinct effects (IEC 60050-161 [14]).
Lower RF bandwidth edge:
The frequency of the lower edge of the Base Station RF bandwidth, used as a frequency reference point for transmitter and receiver requirements.
Maximum Base Station RF bandwidth:
The maximum RF bandwidth supported by a BS within an operating band.
Maximum throughput:
The maximum achievable throughput for a reference measurement channel.
MB-MSR Base Station:
MSR Base Station characterized by the ability of its transmitter and/or receiver to process two or more carriers in common active RF components simultaneously, where at least one carrier is configured at a different non-overlapping operating band than the other carrier(s).
MSR Base station:
Base Station characterized by the ability of its receiver and transmitter to process two or more carriers in common active RF components simultaneously in a declared RF bandwidth, where at least one carrier is of a different RAT than the other carrier(s).
NB-IoT In-band operation:
NB-IoT is operating in-band when it utilizes the resource block(s) within a normal E-UTRA carrier.
NB-IoT guard band operation:
NB-IoT is operating in guard band when it utilizes the unused resource block(s) within an E-UTRA carrier's guard-band.
NB-IoT standalone operation:
NB-IoT is operating standalone when it utilizes its own spectrum, for example the spectrum currently being used by GERAN systems as a replacement of one or more GSM carriers, as well as scattered spectrum for potential IoT deployment.
Radio communications equipment:
Telecommunications equipment which includes one or more transmitters and/or receivers and/or parts thereof for use in a fixed, mobile or portable application. It can be operated with ancillary equipment but if so, is not dependent on it for basic functionality.
Radio equipment:
Equipment which contains Radio digital unit and Radio unit.
Radio digital unit:
Equipment which contains base band and functionality for controlling Radio unit.
Radio unit:
Equipment which contains transmitter and/or receiver.
Port:
A particular interface, of the specified equipment (apparatus), with the electromagnetic environment. For example, any connection point on an equipment intended for connection of cables to or from that equipment is considered as a port (see figure 3.1.1).
Receiver exclusion band:
The receiver exclusion band is the band of frequencies over which no tests of radiated immunity of a receiver are made. The exclusion band for receivers is expressed relative to the base station receive band.
Signal and control port:
Port which carries information or control signals, excluding antenna ports.
Telecommunication port:
Ports which are intended to be connected to telecommunication networks (e.g. public switched telecommunication networks, integrated services digital networks), local area networks (e.g. Ethernet, Token Ring) and similar networks.
Throughput:
The number of payload bits successfully received per second for a reference measurement channel in a specified reference condition.
Transient phenomena:
Pertaining to or designating a phenomena or a quantity which varies between two consecutive steady states during a time interval short compared with the time-scale of interest (IEC 60050-161 [14]).
Transmitter exclusion band:
The transmitter exclusion band is the band of frequencies over which no tests of radiated immunity of a transmitter are made. The exclusion band for transmitters is expressed relative to the carrier frequencies used (the carrier frequencies of the base stations activated transmitter(s)).
Upper RF bandwidth edge:
The frequency of the upper edge of the Base Station RF bandwidth, used as a frequency reference point for transmitter and receiver requirements.
For the purposes of the present document, the abbreviations given in TR 21.905 and the following apply. An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in TR 21.905.
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