MTS_2025_5G_6G_evolution.pdf

1、Reiner StuhlfauthTechnology Manager WirelessOVERVIEW TECHNOLOGY EVOLUTION FROM 5G TO 6GThe“Unstructured“evolution of 5G towards 6GMobile Test Summit 202525G TO 6G EVOLUTION:BEAMFORMING&CSIMobile Test Summit 20253CSI-RS concept and UE sends CSI feedbackUL/DL beam correspondanceTCI1TCI2“combine“beam c

2、haracteristics(TCI)Enhance multi-TRPUE event“triggeredCSICSI type I,UE reports 1 beam,gNB TX along 1 beamCSI type II,UE reports L beams,gNB TX=linear combination ofmulti-beamsgNB with#ports(e.g.128 orhigher)CSI too large compression5G TO 6G EVOLUTION:MULTI-TRP&UL-MIMOMobile Test Summit 20254Inter-si

3、te or intra-site mTRP withsingle or multiple DCI Coherent joint TX(CJT),UE reportsTRP group&delay differencesbetween TRPsHeterogenous deploymentsCSI problem:estimation done in the past,predicting the future!What if UE is at high speed?=UE reports time domain correlationproperties(TDCP)Uplink with 3T

4、X MIMOIntroduce SRS for betterchannel visibilitySRS_1SRS_2SRS_3SRS TX switching forbetter antenna selectionFIXED WIRELESS ACCESSMobile Test Summit 20255Coverage improvement:UL frequency switching and DL multi-band operation5G NON-TERRESTRIAL NETWORKSMobile Test Summit 20256Transparent payload archit

5、ectureRegenerative payload architectureVarious UE categories+newfrequency bands:Ka,Ku-band and S/L-bands enhancementsREDUCED CAPABILITIES(REDCAP)Mobile Test Summit 20257REDUCED CAPABILITIES(REDCAP)+NTNMobile Test Summit 20258AMBIENT-IOTMobile Test Summit 20259Various UE categories:With own TX capabi

6、lity or only backscattering.Different power classesEXTENDED REALITY(XR)Mobile Test Summit 202510Challenges(UE)5G supporting mission critical communicationsMobile Test Summit 2025115G network energy saving(nes)Mobile Test Summit 202512Energy consumption,efficiency&saving202220232024202520262027202820