Details of 'DGR/RIS-005' Work Item

	Work Item Reference	ETSI Doc. Number	STF	Technical Body in Charge		Download Standard
	DGR/RIS-005	GR RIS 005		RIS
	Current Status (Click to View Full Schedule)	Latest Version	Cover Date	Standstill		Creation Date
	Publication (2025-02-26)	1.1.1	2025-02-26	View Standstill Information		2023-05-14
	Rapporteur	Technical Officer		Harmonised Standard
	Sharad Sambhwani	Ingbert Sigovich		No
Title	Reconfigurable Intelligent Surfaces (RIS); Diversity and Multiplexing of RIS-aided Communications Diversity and Multiplexing of RIS-aided Communications
Scope and Field of Application	The detailed scope of this NWI on RIS diversity and multiplexing is to: (i) Identify use cases and deployment scenarios of RIS-based diversity and multiplexing schemes. (ii) Investigate feasible diversity and multiplexing schemes for different RIS hardware (active, passive, etc.) and RIS operating modes (reflection, refraction, etc.) for RIS-aided systems (iii) Investigate transmitter and receiver (.g. UE) complexity increase or reduction potential for the various multiplexing schemes (iv) Evaluate the characteristics of RIS-aided channels for different diversity schemes (v) Analyze the performance gains provided by RIS diversity and multiplexing schemes (vi) Study the impact on channel estimation / CSI acquisition due to diversity and multiplexing schemes involving RIS
Supporting Organizations	ZTE Corporation, Motorola Mobility UK Ltd., Apple France, B-Com, InterDigital, Europe, Ltd.

	Keywords	Projects	Clusters	Frequencies	Mandates	Directives
	RIS		Networks Wireless Systems
Official Journal
Remarks	2024-12-12 shojaeifarda TB approval proposal in contribution RIS(24)016017 was Accepted by RIS (see RC RIS(24)DEC014) 2024-12-04 sigovich Draft contributed - V 0.0.11 contributed for Decision in RIS(24)016017 as Early draft 2024-11-23 sambhwanisha Draft contributed - V 0.0.11 contributed for Information in RIS(24)016008 as Early draft 2024-11-23   A new draft is uploaded - V 0.0.11 with status: Early draft 2024-11-20 sambhwanisha Draft contributed - V 0.0.10 contributed for Information in RIS(24)016006 as Early draft 2024-11-20   A new draft is uploaded - V 0.0.10 with status: Early draft 2024-10-24 shojaeifarda Early draft proposal in contribution RIS(24)014001 was Noted by RIS 2024-10-24 shojaeifarda Early draft proposal in contribution RIS(24)014002 was Noted by RIS 2024-10-24 shojaeifarda Early draft proposal in contribution RIS(24)015005 was Noted by RIS 2024-10-24 sambhwanisha Draft contributed - V 0.0.9 contributed for Discussion in RIS(24)015005 as Early draft 2024-10-24   A new draft is uploaded - V 0.0.9 with status: Early draft 2024-08-21 sambhwanisha Draft contributed - V 0.0.7 contributed for Decision in RIS(24)014002 as Early draft 2024-08-21   A new draft is uploaded - V 0.0.8 with status: Early draft 2024-08-21 sambhwanisha Draft contributed - V 0.0.6 contributed for Decision in RIS(24)014001 as Early draft 2024-08-21   A new draft is uploaded - V 0.0.7 with status: Early draft 2024-07-17 aygul Draft contributed - V 0.0.1 contributed for Decision in RIS(24)TM11017 as Early draft 2024-07-16 aygul Draft contributed - V 0.0.1 contributed for Decision in RIS(24)013008r1 as Early draft 2024-07-11 aygul Early draft proposal in contribution RIS(24)013008 was Revised by RIS 2024-07-01 sambhwanisha Draft contributed - V 0.0.6 contributed for Decision in RIS(24)TM11004 as Early draft 2024-07-01   A new draft is uploaded - V 0.0.6 with status: Early draft 2024-05-20 aygul Draft contributed - V 0.0.1 contributed for Discussion in RIS(24)013008 as Early draft 2024-04-25 shojaeifarda Early draft proposal in contribution RIS(24)013007 was Noted by RIS 2024-04-25 sambhwanisha Draft contributed - V 0.0.5 contributed for Decision in RIS(24)013007 as Early draft 2024-04-25   A new draft is uploaded - V 0.0.5 with status: Early draft 2024-02-19 shojaeifarda Early draft proposal in contribution RIS(24)TM10013 was Noted by RIS 2024-02-13 sambhwanisha Draft contributed - V 0.0.4 contributed for Decision in RIS(24)TM10013 as Early draft 2024-02-13   A new draft is uploaded - V 0.0.4 with status: Early draft 2023-12-22 shojaeifarda Early draft proposal in contribution RIS(23)011011 was Noted by RIS 2023-12-18 sambhwanisha Draft contributed - V 0.0.3 contributed for Decision in RIS(23)011011 as Early draft 2023-12-18   A new draft is uploaded - V 0.0.3 with status: Early draft 2023-10-19 shojaeifarda Early draft proposal in contribution RIS(23)010021 was Noted by RIS 2023-10-19 sambhwanisha Draft contributed - V 0.0.2 contributed for Decision in RIS(23)010021 as Early draft 2023-10-19   A new draft is uploaded - V 0.0.2 with status: Early draft - with comment: Based on agreed TP in RIS(23)010019r2 2023-07-25 shojaeifarda Early draft proposal in contribution RIS(23)TM09012 was Withdrawn by RIS 2023-07-25 sambhwanisha Draft contributed - V 0.0.1 contributed for Information in RIS(23)TM09012 as Early draft 2023-07-25   A new draft is uploaded - V 0.0.1 with status: Early draft 2023-06-01 Arman Shojaeifard TB adoption of WI RIS, see contribution RIS(23)009024r1 2023-05-14 SAMBHWAN WI proposed to TB RIS, see contribution RIS(23)009024r1 2023-05-14 SAMBHWAN WI proposed to TB RIS, see contribution RIS(23)009024