1、6G ARCHITECTURE AND MIGRATION OPTIONS An Operator ViewV1.0ngmn.org2by NGMN AllianceDisclaimerThis document is an initial version.NGMN Members plan to evolve it in the coming months,in line with ongoing standardisation developments and emerging insights.Version:1.0Date:01 June 2026Document Type:Publi

2、cProgramme:6GApproved by/Date:NGMN Board,29 May 2026 Public documents(P):2026 Next Generation Mobile Networks Alliance e.V.All rights reserved.No part of this document may be reproduced or transmitted in any form or by any means without prior written permission from NGMN Alliance e.V.The information

3、 contained in this document represents the current view held by NGMN Alliance e.V.on the issues discussed as of the date of publication.This document is provided“as is”with no warranties whatsoever including any warranty of merchantability,non-infringement,or fitness for any particular purpose.All l

4、iability(including liability for infringement of any property rights)relating to the use of information in this document is disclaimed.No license,express or implied,to any intellectual property rights are granted herein.This document is distributed for informational purposes only and is subject to c

5、hange without notice.Readers should not design products based on this document.6G ARCHITECTURE AND MIGRATION OPTIONS AN OPERATOR VIEW3CONTENTS EXECUTIVE SUMMARY 4KEY MESSAGES 501 INTRODUCTION 602 MIGRATION OPTIONS 72.1 Review of Migration Options 72.2 Multi-RAT Spectrum Sharing(MRSS)72.3 Alternative

6、 Migration Options 82.4 6G Readiness of RAN Hardware 903 CONCLUSION&STANDARDISATION FOCUS AREAS 1004 REFERENCES 1105 LIST OF ABBREVIATIONS 12ACKNOWLEDGEMENTS 134EXECUTIVE SUMMARYThe transition from 5G to 6G represents a critical opportunity to simplify network architectures,reduce longterm costs and