ECC WorkProgram Database

SE21_09

Last update: 11-05-2017

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

Regular Work item

In Progress

SE21_22

Last update: 30-09-2021

Rev. ECC Report

Revision of ECC Report 249

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: 30-09-2022

To collect and review measurements in particular for 5G BS and UE, fixed service and DTT 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.

The WI would be addressed in a two steps process:

First step to deal with DTT unwanted emissions in particular
Second step to introduce 5G AAS measurements in a second revision of ECC Report 249, keeping the available material as the baseline for the further work

In Progress

SE21_23

Last update: 30-09-2021

Other

Development of an algorithm for receiver Intermodulation (IM)

Development of an algorithm for calculation of Receiver Intermodulation products considering its future implementation in SEAMCAT

S: 14-09-2018
T: 31-01-2022

Deliverable: Others: Algorithm for Intermodulation

The algorithm should

- be able to work in the frequency domain

- be applicable for various modulation formats between an interfering Link TX and victim Link RX.
Algorithm for general application should be developed with a complete analysis not limited to an extension of the one currently being developed on the basis of scenario between LTE (wideband) as interfering signal and TETRA(narrow band) as victim (see ECC Report 283)
see also ECC Report 310
- run fast enough to allow for a sufficient statistical number of events within a reasonable time.

- contain a sufficient number of parameters to reflect various RX models

Once the algorithm is considered stable and agreed in WG SE, STG will implement the algorithm in SEAMCAT.

In Progress

SE21_24

Last update: 30-09-2021

ECC Recommendation

Receiver resilience to transmission on adjacent frequency ranges

Be used by CEPT / ECC in its sharing and compatibility work and to be considered by ETSI when developing Harmonised Standards, giving an CEPT/ECC framework for continuous improvement of receiver resilience for a wide range / categories of receivers.
List existing receiver resilience limits from ETSI Standards, for information.
Provide CEPT / ECC recommended levels for receiver resilience.
Provide a separate annex with additional levels that can be considered by CEPT / ECC for use in sharing and compatibility studies.

S: 31-01-2020
T: 31-01-2023

Reference: ECC Report 310.
The primary objective of this work item is to develop a recommendation on receivers. Technical background of this new ECC Recommendation could be gathered in a supplementary ECC document, if required.

In Progress

SE21_25

Last update: 30-09-2021

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: 30-09-2022

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 recognised 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

In Progress

SE21_09 Last update: 11-05-2017	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	Regular Work item		In Progress
SE21_22 Last update: 30-09-2021	Rev. ECC Report	Revision of ECC Report 249		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: 30-09-2022	To collect and review measurements in particular for 5G BS and UE, fixed service and DTT 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. The WI would be addressed in a two steps process: First step to deal with DTT unwanted emissions in particular Second step to introduce 5G AAS measurements in a second revision of ECC Report 249, keeping the available material as the baseline for the further work	In Progress
SE21_23 Last update: 30-09-2021	Other	Development of an algorithm for receiver Intermodulation (IM)		Development of an algorithm for calculation of Receiver Intermodulation products considering its future implementation in SEAMCAT	S: 14-09-2018 T: 31-01-2022	Deliverable: Others: Algorithm for Intermodulation The algorithm should - be able to work in the frequency domain - be applicable for various modulation formats between an interfering Link TX and victim Link RX. Algorithm for general application should be developed with a complete analysis not limited to an extension of the one currently being developed on the basis of scenario between LTE (wideband) as interfering signal and TETRA(narrow band) as victim (see ECC Report 283) see also ECC Report 310 - run fast enough to allow for a sufficient statistical number of events within a reasonable time. - contain a sufficient number of parameters to reflect various RX models Once the algorithm is considered stable and agreed in WG SE, STG will implement the algorithm in SEAMCAT.	In Progress
SE21_24 Last update: 30-09-2021	ECC Recommendation	Receiver resilience to transmission on adjacent frequency ranges		Be used by CEPT / ECC in its sharing and compatibility work and to be considered by ETSI when developing Harmonised Standards, giving an CEPT/ECC framework for continuous improvement of receiver resilience for a wide range / categories of receivers. List existing receiver resilience limits from ETSI Standards, for information. Provide CEPT / ECC recommended levels for receiver resilience. Provide a separate annex with additional levels that can be considered by CEPT / ECC for use in sharing and compatibility studies.	S: 31-01-2020 T: 31-01-2023	Reference: ECC Report 310. The primary objective of this work item is to develop a recommendation on receivers. Technical background of this new ECC Recommendation could be gathered in a supplementary ECC document, if required.	In Progress
SE21_25 Last update: 30-09-2021	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: 30-09-2022	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 recognised 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	In Progress