ECC WorkProgram Database

SE21_09

Last update: 04-11-2024

Other

Coordinated inputs to ITU-R: WP1A and other relevant ITU-R groups (in particular WP 5B) on unwanted emission issues

Coordination of contributions related to unwanted emission issues to ITU-R WP 1A and other relevant ITU-R groups (in particular WP 5B).

Deliverable: Coordinated contribution to ITU-R WP1A

Permanent Work item

In Progress

SE21_22

Last update: 04-11-2024

Rev. ECC Report

Revision of ECC Report 249

SE21_26

To update ECC Report 249 “Unwanted emissions of common radio systems: measurements and use in sharing/compatibility studies ” with new material

S: 25-01-2019
T: 30-09-2026

To collect and review measurements in particular for 5G BS and UE measurements

To review as appropriate, the existing parameters with up to date measurements if available and to complete with additional systems if possible

To investigate how aggregated spurious emissions should be addressed in sharing and compatibility studies.

To investigate deriving emission masks or statistical distributions (e.g. in both cases based on measurements representing typical performance of equipment) for use in sharing and compatibility studies.

The result of this work item should be considered when determining whether a revision of ECC Rec (19)02 is required.

Noting that the ECC Report 249 was updated during the 90th WG SE meeting in January 2022, the WI would continue to address 5G AAS measurements while keeping the available material as the baseline for the further work.

SE21 would also consider how the revision history of the ECC Report 249 could be addressed.

In Progress

SE21_25

Last update: 04-11-2024

ECC Report

Measurement methodologies for 5G AAS in the field

PT1_35

Develop techniques and methodologies to determine or estimate TRP (with equivalent measurement metrics) by field measurements for both in-band and unwanted emissions (out of band domain and spurious domain) of 5G AAS. In order to facilitate checking compliance with national regulations and performing interference investigations.

S: 20-05-2020
T: 31-05-2025

Develop techniques and methodologies for measurement of 5G AAS in the field for the following:
1) In band signal evaluation (power limits, BEM)
2) Out of band emission evaluation
3) Spurious emission evaluation
To determine TRP or find a method to estimate TRP with other measurement metrics.
The determination of the TRP should also be used to evaluate the compliance with existing regulations (e.g. ERC REC. 74-01).

Laboratory measurements of 5G AAS as discussed in other groups (such as ECC PT1 or ITU-R WP5D) could be used for comparison / verification of the proposed methods of 5G AAS measurements in the field. It is recognized that additional a priori information on 5G AAS e.g. details of the antenna (e.g patterns) are needed to develop or apply specific types of methodologies for field measurements.
The TRP measurement techniques / methodologies may be evaluated compared with existing 5G AAS information and models. Differences in results between measurement and models may raise the need for further work within ECC after the completion of this work. It is noted that the expertise on 5G AAS modelling is within ECC PT1.

WI to be done in cooperation with ECC PT1 and ECC FM22. It is noted that the deliverables for in-band and unwanted would be split into two.

In Progress

SE21_26

Last update: 26-09-2024

Rev. ECC Recommendation

Revision of the ERC REC 74-01

SE21_22

To review and as necessary update ERC Recommendation 74-01 ‘Unwanted emissions in the spurious domain’. The review and update should also consider the material in the expected updated ECC Report 249, the ERC/REC 74-01 Live List, and other relevant sources.

S: 27-09-2024
T: 30-09-2026

To revise ERC/REC 74-01 “Unwanted emissions in the spurious domain” by reviewing the existing limits of the unwanted emissions in the spurious domain for the different services and types of equipment and by proposing new material, if needed.

ERC/REC 74-01 would exclude Wireless Power Transmission (WPT) in its future revision.

The revision of ERC/REC 74-01 has to consider the generic aspects of spurious emissions issues and in close cooperation with ETSI.

The content of ERC/REC 74-01 Live List submissions after agreement by SE21 would be considered for the revision of ERC/REC 74-01, like the proposals provided in contributions.

The previous revision of ERC/REC 74-01 was published in 2021 and there was an editorial correction in May 2022.

In Progress

SE21_09 Last update: 04-11-2024	Other	Coordinated inputs to ITU-R: WP1A and other relevant ITU-R groups (in particular WP 5B) on unwanted emission issues		Coordination of contributions related to unwanted emission issues to ITU-R WP 1A and other relevant ITU-R groups (in particular WP 5B). Deliverable: Coordinated contribution to ITU-R WP1A	Permanent Work item		In Progress
SE21_22 Last update: 04-11-2024	Rev. ECC Report	Revision of ECC Report 249	SE21_26	To update ECC Report 249 “Unwanted emissions of common radio systems: measurements and use in sharing/compatibility studies ” with new material	S: 25-01-2019 T: 30-09-2026	To collect and review measurements in particular for 5G BS and UE measurements To review as appropriate, the existing parameters with up to date measurements if available and to complete with additional systems if possible To investigate how aggregated spurious emissions should be addressed in sharing and compatibility studies. To investigate deriving emission masks or statistical distributions (e.g. in both cases based on measurements representing typical performance of equipment) for use in sharing and compatibility studies. The result of this work item should be considered when determining whether a revision of ECC Rec (19)02 is required. Noting that the ECC Report 249 was updated during the 90th WG SE meeting in January 2022, the WI would continue to address 5G AAS measurements while keeping the available material as the baseline for the further work. SE21 would also consider how the revision history of the ECC Report 249 could be addressed.	In Progress
SE21_25 Last update: 04-11-2024	ECC Report	Measurement methodologies for 5G AAS in the field	PT1_35	Develop techniques and methodologies to determine or estimate TRP (with equivalent measurement metrics) by field measurements for both in-band and unwanted emissions (out of band domain and spurious domain) of 5G AAS. In order to facilitate checking compliance with national regulations and performing interference investigations.	S: 20-05-2020 T: 31-05-2025	Develop techniques and methodologies for measurement of 5G AAS in the field for the following: 1) In band signal evaluation (power limits, BEM) 2) Out of band emission evaluation 3) Spurious emission evaluation To determine TRP or find a method to estimate TRP with other measurement metrics. The determination of the TRP should also be used to evaluate the compliance with existing regulations (e.g. ERC REC. 74-01). Laboratory measurements of 5G AAS as discussed in other groups (such as ECC PT1 or ITU-R WP5D) could be used for comparison / verification of the proposed methods of 5G AAS measurements in the field. It is recognized that additional a priori information on 5G AAS e.g. details of the antenna (e.g patterns) are needed to develop or apply specific types of methodologies for field measurements. The TRP measurement techniques / methodologies may be evaluated compared with existing 5G AAS information and models. Differences in results between measurement and models may raise the need for further work within ECC after the completion of this work. It is noted that the expertise on 5G AAS modelling is within ECC PT1. WI to be done in cooperation with ECC PT1 and ECC FM22. It is noted that the deliverables for in-band and unwanted would be split into two.	In Progress
SE21_26 Last update: 26-09-2024	Rev. ECC Recommendation	Revision of the ERC REC 74-01	SE21_22	To review and as necessary update ERC Recommendation 74-01 ‘Unwanted emissions in the spurious domain’. The review and update should also consider the material in the expected updated ECC Report 249, the ERC/REC 74-01 Live List, and other relevant sources.	S: 27-09-2024 T: 30-09-2026	To revise ERC/REC 74-01 “Unwanted emissions in the spurious domain” by reviewing the existing limits of the unwanted emissions in the spurious domain for the different services and types of equipment and by proposing new material, if needed. ERC/REC 74-01 would exclude Wireless Power Transmission (WPT) in its future revision. The revision of ERC/REC 74-01 has to consider the generic aspects of spurious emissions issues and in close cooperation with ETSI. The content of ERC/REC 74-01 Live List submissions after agreement by SE21 would be considered for the revision of ERC/REC 74-01, like the proposals provided in contributions. The previous revision of ERC/REC 74-01 was published in 2021 and there was an editorial correction in May 2022.	In Progress