by Hu Wang, Chair, ITU-R WP 5D Working Group Technology Aspects (edited for clarity by Alan J Weissberger)
Introduction and Overview:
The WP 5D Technology Aspects WG met two times during the 34th meeting of ITU-R Working Party (WP) 5D in Geneva, Switzerland. The meeting concluded on February 26, 2020.
Main activities of Technology Aspects WG during this meeting were to:
review evaluation reports of Independent Evaluation Groups for the candidate technologies; complete evaluation report summaries (IMT-2020/ZZZ) and complete the Step 4 of the Evaluation Process;
continue working on a new Report ITU-R M.[IMT-2020.OUTCOME];
continue working on a new Recommendation ITU-R M.[IMT-2020.SPECS];
continue working on the revision of Recommendation ITU-R M.1457-14 (LTE);
continue working on synchronization of multiple IMT TDD networks;
start the work on two new subjects [IMT TERRESTRIAL BROADBAND REMOTE COVERAGE] and [IMT.FUTURE TECHNOLOGY TRENDS].
During this meeting, WG Technology Aspects established five Sub-Working Groups (SWGs):
– SWG Coordination (Chair: Mr. Yoshio HONDA),
– SWG Evaluation (Acting Chair: Mr. Yoshio HONDA),
– SWG IMT Specifications (Chair: Mr. Yoshinori ISHIKAWA),
– SWG Out of band emissions (Chair: Mr. Uwe LÖWENSTEIN),
– SWG Radio Aspects (Chair: Mr. Marc GRANT)
Evaluation of IMT-2020 candidate technology submissions:
This 34th WP 5D meeting is a milestone of the IMT-2020 submission and evaluation process: Step 4 – Evaluation of candidate RITs or SRITs by independent evaluation groups.
Twelve Independent Evaluation Groups (IEGs) submitted to this meeting twenty-seven evaluation reports of all the candidate technology submissions. The meeting reviewed these evaluation reports, with participations of the IEGs, the proponents of candidate technology submissions and other participants. The Step 4 was completed with all the evaluation reports recorded.
Evaluation report summaries are captured in the respective documents (5D/TEMP/112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 125 and 126). The meeting also developed an overall summary – Summary of Step 4 of the IMT-2020 Process for Evaluation of IMT-2020 Candidate Technology Submissions (5D/TEMP/124), which also captures different views raised during the discussion at the meeting.
An addendum to the Circular Letter 5/LCCE/59 was developed to convey the completion of Step 4.
The meeting also made progress on the work of Document M.[IMT-2020.OUTCOME]. It was agreed to upgrade the working document to a preliminary draft new Report (5D/TEMP/111).
A draft liaison statement to potential GCS Proponents to request the inputs to 35th meeting was developed. It was noted that confirmation of the potential GCS Proponents can only be done after WP 5D takes a decision for Steps 6 & 7 on IMT-2020 RIT/SRIT at its 35th meeting.
Work items in SWG Radio Aspects
The meeting made progress on the work of Synchronization of multiple IMT-2020 TDD networks and the working document was updated (5D/TEMP/93).
A new working document is created to study terrestrial IMT for remote sparsely populated areas providing high data rate coverage – M.[IMT TERRESTRIAL BROADBAND REMOTE COVERAGE] (5D/TEMP/101).
The meeting also agreed to start work on future technology trends, and a work plan was developed (5D/TEMP/96).
Objective for the 35th WP 5D meeting
The key objectives of WG Technology Aspects for the 35th WP 5D meeting are as follows:
i) complete the work of Step 6 and Step 7 of the IMT-2020 submission and evaluation process; finalize the document M.[IMT-2020.OUTCOME];
ii) continue work on M.[IMT‑2020.SPECS];
iii) finalize the revision of Recommendation ITU-R M.1457-14;
iv) continue work on synchronization of multiple IMT-2020 TDD networks;
v) continue work on M.[IMT TERRESTRIAL BROADBAND REMOTE COVERAGE] and M.[IMT.FUTURE TECHNOLOGY TRENDS].