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  ITU-T A.5 justification information for referenced document ETSI TS 136 104 V18.8.0 (2026-02) in draft L.1331
1. Clear description of the referenced document:
Name: ETSI TS 136 104 V18.8.0 (2026-02)
Title: LTE;Evolved Universal Terrestrial Radio Access (E-UTRA); Base Station (BS) radio transmission and reception(3GPP TS 36.104 version 18.8.0 Release 18)
2. Status of approval:
Publication
3. Justification for the specific reference:
Needed for implementing the Rec.
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] ITU-R Recommendation SM.329: "Unwanted emissions in the spurious domain". [3] ITU-R Recommendation M.1545: "Measurement uncertainty as it applies to test limits for the terrestrial component of International Mobile Telecommunications-2000". [4] 3GPP TS 36.141: "Evolved Universal Terrestrial Radio Access (E-UTRA); Base Station (BS) conformance testing". [5] ITU-R recommendation SM.328: "Spectra and bandwidth of emissions". [6] 3GPP TS 25.104: "Base Station (BS) radio transmission and reception (FDD)". [7] 3GPP TS 25.105: "Base Station (BS) radio transmission and reception (TDD)". [8] 3GPP TR 25.942: "RF system scenarios". [9] 3GPP TR 36.942: "E-UTRA RF system scenarios". [10] 3GPP TS 36.211: "Evolved Universal Terrestrial Radio Access (E-UTRA); Physical Channels and Modulation". [11] 3GPP TS 36.213: "Evolved Universal Terrestrial Radio Access (E-UTRA); Physical layer procedures". [12] ECC/DEC/(09)03 "Harmonised conditions for MFCN in the band 790-862 MHz", 30 Oct. 2009 [13] IEC 60721-3-3 (2002): "Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities - Section 3: Stationary use at weather protected locations". [14] IEC 60721-3-4 (1995): "Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities - Section 4: Stationary use at non-weather protected locations". [15] 3GPP TS 37.104: "E-UTRA, UTRA and GSM/EDGE; Multi-Standard Radio (MSR) Base Station (BS) radio transmission and reception ". [16] CEPT ECC Decision (13)03, "The harmonised use of the frequency band 1452-1492 MHz for Mobile/Fixed Communications Networks Supplemental Downlink (MFCN SDL)". [17] 3GPP TS 36.211: : "Evolved Universal Terrestrial Radio Access (E-UTRA); Physical channels and modulation". [18] 3GPP TS 36.213: "Evolved Universal Terrestrial Radio Access (E-UTRA); Physical layer procedures". [19] CEPT ECC Decision (17)06, "The harmonised use of the frequency bands 1427-1452 MHz and 1492-1518 MHz for Mobile/Fixed Communications Networks Supplemental Downlink (MFCN SDL)". [20] 3GPP TS 37.213: "Physical layer procedures for shared spectrum channel access". [21] ITU-R Recommendation BT.1206: "Spectrum limit masks for digital terrestrial television broadcasting". [22] ETSI EN 302 296: "Digital Terrestrial TV Transmitters; Harmonised Standard for access to radio spectrum". [23] ETSI TR 101 290: "Digital Video Broadcasting (DVB); Measurement guidelines for DVB systems". [24] Void [25] ITU GE06 Agreement: "Primary Terrestrial Services Other Than Broadcasting In The Planning Area And Bands Governed By The Regional Agreement GE06", https://www.itu.int/en/ITU R/terrestrial/fmd/Documents/fxm-GE06-report.pdf [26] FCC Title 47 CFR 73.622, Digital television table of allotments, FCC, United States. [27] ABNT NBR 15601, Digital terrestrial television – Transmission system, Brazilian Association of Technical Standards, Anatel, Brazil. [28] GB20600-2006: "Framing structure, Channel coding and modulation for digital television terrestrial broadcasting system", National Standard, China. [29] 3GPP TS 36.331: "Evolved Universal Terrestrial Radio Access (E-UTRA); Radio Resource Control (RRC); Protocol specification". [30] 3GPP TR 36.972: "Summary of regulatory requirements on unwanted emissions for transmission over broadcast bands in UHF spectrum".
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