Release ledger
Canonical Atlas record
TS 36.181
Evolved Universal Terrestrial Radio Access (E-UTRA); Satellite Access Node conformance testing
Release evolution
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Use indexed version, Work Item and Change Request evidence to see what changed around this specification. This is an evidence trail, not a clause-by-clause normative diff.
Rel-18 snapshot
Work affecting this release
43 indexed Change Requests · 6 connected Work Items.
Showing 12 CR records from the available cross-release sample. Browse release CR records (JSON) →
CR 0043 — (LTE_NBIOT_eMTC_NTN_req-Perf) CR to TS 36.181 on corrections of table numbering for the modulation quality test requirement
CR 0041 — (LTE_NBIOT_eMTC_NTN_req-Perf) CR to TS 36.181 on clarification of the frequency error test requirement
CR 0037 — CR to TS 181: Removal of [] for NB-IoT requirements
CR 0032 — (LTE_NBIOT_eMTC_NTN_req-Perf)Correction CR on IoT NTN requirement in 36.181
CR 0029 rev.1 — Channel Model Parameters Annex F update for 36.181 TC 8.5 - Rel 18
CR 0027 rev.1 — Missing Correlation Matrix info (8.2 TC; 36.181; Rel 18)
CR 0026 — (LTE_NBIOT_eMTC_NTN_req) CR for TS 36.181, Correction on SAN diagram
CR 0024 rev.1 — (TEI18) CR to 36.181 NB-IoT In-band operation with NTN NR [NTNNBIoT_inbandNTNNR]
CR 0023 rev.2 — (LTE_NBIOT_eMTC_NTN_req-Perf) CR for TS36.181, Correction on non-regenerative payload and gateway for IoT NTN
CR 0022 — (LTE_NBIoT_eMTC_NTN_req) Collection of IoT-NTN SAN demodulation conformance requirements
CR 0021 — (LTE_NBIOT_eMTC_NTN_req-Perf)CR for TS36.181, Correction on Number of RX antennas in header row of tables for radiated demodulation test requirements
CR 0020 rev.1 — CR to TS 36.181: Band-agnostic OBUE requirement
Version history
Indexed versions
Showing 20 of 20 indexed versions.
Atlas classifications
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Work Items
Standards work connected to TS 36.181
Perf. part: Introduction of FDD LTE band (L+S band) for IoT NTN operation
Perf. part: Introduction of the Extended L-band (UL 1668-1675MHz, DL 1518-1525MHz) for IoT NTN
NB-IoT/eMTC Core and Perf requirements for NTN
Core part: NB-IoT (Narrowband IoT)/eMTC (enhanced Machine Type Communication) core & performance requirements for Non-Terrestrial Networks (NTN)
Perf. part: NB-IoT (Narrowband IoT)/eMTC (enhanced Machine Type Communication) core & performance requirements for Non-Terrestrial Networks (NTN)
(Small) Technical Enhancements and Improvements for Rel-18
Perf. part: Introduction of another IoT-NTN S-band (MSS band 2000-2020 MHz UL and 2180-2200 MHz DL)
Perf. part: Non-Terrestrial Networks (NTN) for Internet of Things (IoT) Phase 3
Perf. part: Introduction of IoT-NTN TDD mode
Perf. part: New LTE band for 5G broadcast for region 3 utilizing a geosynchronous satellite
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