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    ITU-T A.5 justification information for referenced document ETSI TS 137 105 V16.4.0 (2020-09) in draft K.114
    1. Clear description of the referenced document:
    Title: Universal Mobile Telecommunications System (UMTS); LTE; 5G Active Antenna System (AAS) Base Station (BS) transmission and reception (3GPP TS 37.105 version 16.4.0 Release 16)
    2. Status of approval:
    Publication
    3. Justification for the specific reference:
    It is included as a normative reference in the Recommendation. It was approved by the SG5 plenary on 23 June 2023.
    4. Current information, if any, about IPR issues:
    Some information may be available in the ETSI IPR archives at (http://webapp.etsi.org/IPR/home.asp).
    5. Other useful information describing the "Quality" of the document:
    widely recognized within Europe as the standard policy control architecture, especially for mobile networks.
    6. The degree of stability or maturity of the document:
    Minor modifications can be reflected in one subsequent revision.
    7. Relationship with other existing or emerging documents:
    The referenced standard has completed the rigorous and comprehensive review and approval process of the ETSI. See history.
    8. Any explicit references within that referenced document should also be listed:
    [[1] 3GPP TR 21.905: "Vocabulary for 3GPP Specifications"./
    [2] 3GPP TS 25.104: "Base Station (BS) radio transmission and reception (FDD)"./
    [3] 3GPP TS 25.105: "Base Station (BS) radio transmission and reception (TDD)"./
    [4] 3GPP TS 36.104: "Evolved Universal Terrestrial Radio Access (E-UTRA); Base Station (BS)/
    radio transmission and reception"./
    [5] 3GPP TS 37.104: "NR, E-UTRA, UTRA and GSM/EDGE Multi-Standard Radio (MSR) Base/
    Station (BS) radio transmission and reception"./
    [6] 3GPP TS 25.104 (V14.2.0): "Base Station (BS) radio transmission and reception (FDD) (Release/
    14)"./
    [7] 3GPP TS 25.105 (V14.0.0): "Base Station (BS) radio transmission and reception (TDD) (Release/
    14)"./
    [8] 3GPP TS 36.104 (V14.4.0): "Evolved Universal Terrestrial Radio Access (E-UTRA); Base Station/
    (BS) radio transmission and reception (Release 14)"./
    [9] 3GPP TS 37.104 (V14.4.0): "E-UTRA, UTRA and GSM/EDGE Multi-Standard Radio (MSR)/
    Base Station (BS) radio transmission and reception (Release 14)"./
    [10] 3GPP TS 25.142 (V14.0.0): "Base Station (BS) conformance testing (TDD) (Release 14)"./
    [11] Recommendation ITU-R M.1545: "Measurement uncertainty as it applies to test limits for the/
    terrestrial component of International Mobile Telecommunications-2000"./
    [12] 3GPP TS 25.942: "Radio Frequency (RF) system scenarios"./
    [13] void/
    [14] Recommendation ITU-R SM.329-10: "Unwanted emissions in the spurious domain"./
    [15] "Title 47 of the Code of Federal Regulations (CFR)", Federal Communications Commission./
    [16] 3GPP TS 25.331 (V14.3.0): "Radio Resource Control (RRC); Protocol specification (Release 14)"./
    [17] Recommendation ITU-R SM.328-11: "Spectra and bandwidth of emissions"./
    [18] FCC publication number 662911: "Emissions Testing of Transmitters with Multiple Outputs in the/
    Same Band"./
    [19] 3GPP TS 37.141: "NR, E-UTRA, UTRA and GSM/EDGE; Multi-Standard Radio (MSR) Base/
    Station (BS) conformance testing"./
    [20] 3GPP TS 36.141: "Evolved Universal Terrestrial Radio Access (E-UTRA); Base Station (BS)/
    conformance testing"./
    [21] IEC 60721-3-3: "Classification of environmental conditions - Part 3-3: Classification of groups of/
    environmental parameters and their severities - Stationary use at weather protected locations"./
    [22] IEC 60721-3-4: "Classification of environmental conditions - Part 3: Classification of groups of/
    environmental parameters and their severities - Section 4: Stationary use at non-weather protected/
    locations"./
    [23] ETSI EN 300 019-1-3: "Environmental Engineering (EE); Environmental conditions and/
    environmental tests for telecommunications equipment; Part 1-3: Classification of environmental/
    conditions; Stationary use at weather protected locations"./
    [24] ETSI EN 300 019-1-4: "Environmental Engineering (EE); Environmental conditions and/
    environmental tests for telecommunications equipment; Part 1-4: Classification of environmental/
    conditions; Stationary use at non-weather protected locations"./
    [25] CEPT ECC Decision (13)03, "The harmonised use of the frequency band 1452-1492 MHz for/
    Mobile/Fixed Communications Networks Supplemental Downlink (MFCN SDL)"./
    [26] 3GPP TS 45.004: "Digital cellular telecommunications system (Phase 2+); Modulation"./
    [27] 3GPP TS 38.104: "NR; Base Station (BS) radio transmission and reception"/
    [28] 3GPP TS 38.104 (V15.1.0): "NR; Base Station (BS) radio transmission and reception (Release/
    15)"/
    [29] 3GPP TS 37.145-1: "Active Antenna System (AAS) Base Station (BS) conformance testing; Part/
    1: Conducted conformance testing"/
    [30] 3GPP TS 37.145-2: "Active Antenna System (AAS) Base Station (BS) conformance testing; Part/
    2: radiated conformance testing"/
    [31] 3GPP TS 36.211: "Evolved Universal Terrestrial Radio Access (E-UTRA); Physical channels and/
    modulation"
    9. Qualification of ETSI:
    ETSI is recognized under the provisions of ITU-T Recommendations A.5 and A.6. Qualifying information is on file at TSB.
    10. Other (for any supplementary information):
    None.
    Note: This form is based on Recommendation ITU-T A.5
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