用MATLAB加速6G創(chuàng)新研發(fā)

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用MATLAB加速6G創(chuàng)新研發(fā)5G5Gadvanced6GLTEWi-FiUbiquitousConnectivityas

a

goalWLANSatellitecommunicationsNon-terrestrial

NetworkWideArea

NetworkLocalArea

NetworkPersonalArea

NetworkBluetoothCCSDSDVB-S*CellularGNSS1

6G:nextgeneration

mobilewirelesscommunicationsystem

Builtonthe

strength

of5G

Envisionedto

provide

ubiquitousandsustainableconnectivity

Research

is

underway.Various

industryandacademicconsortiums

researchingand

proposingtechnologiesWhat

is6G?2Possible6G

New

Applicationsand

UseCasesDigitaltwinHolograms

Othernew

usecasesRealtime

robotcommandandcontrolFixed

mobileand

broadbandevolutionWidearea

and

microconnectivityWireless

sensorfusionExtendedreality35G/6G?6Gand

FutureWirelessSpectrum1GHz3GHz10GHz30GHz100

GHz300

GHz

1000GHz5G/6G?6G?6G?“Sub-THz”46G

Exploration

with

MATLABmmWave:propagation

lossandchannel

modelsmmWave:

RFimpairmentmodellingNonterrestrial

networks(NTN)WaveformexplorationAI/MLforwirelessSensingand

RIS5Explore,model,simulate,andtestcandidate6Gwaveformsand

technologies?Modelwaveformswithbandwidthsandsubcarrierspacings

beyond

valuesspecifiedby

5G

NR.?Performlink-levelsimulationswiththe

extendedwaveforms.?Exploretheimpactof

hardware

impairments

at

7-20

GHz,

mm-Wave,

andsub-Terahertzcarrierfrequencies.?Model

reconfigurable

intelligent

surfaces.?Exploreapplicationsof

AItowirelesscommunications

problems.?Acceleratingyoursimulationbyusing

multicorecomputersand

clusters.New:6G

Exploration

Library

for5G

Toolbox6Waveformexploration6G

Exploration

with

MATLABmmWave:propagation

lossandchannel

modelsmmWave:

RFimpairmentmodellingNonterrestrial

networks(NTN)AI/MLforwirelessSensingand

RIS7Bandwidth

and

SCS

beyond

5G

Explorethe

propertiesandcapabilitiesofextended

5G-

waveforms:Fs

=

15.73

GHzBW

=

13.36

GHzSCS=

3840

kHz290

RBs–Large

bandwidths

beyond275

RBs–SCS

beyond

960

kHz8–Channel

characteristic

varies

overtime–Orthogonalitybetweensubcarriers

is

lost

OTFSrepresentsdatain

Doppler/Delay

space–Orthogonalitymaintainedif

Doppler&

delay

constant–

Evenat

high

Doppler

NTN,high-speedcarortrain,

…

. Consideredfor6Gsystems

OFDMsuffersfrom

ICIin

high

Doppler

multipathchannelsOrthogonalTime

FrequencySpace(OTFS)

ModulationICI

=

Intercarrier

Interference9

OTFScan

beseenasanOFDM

code

with

pre-coding

(ISFFT)–Equivalenceonlywhen

HeisenbergTransformidenticaltoOFDM

modulation10

HeisenbergTransform

isageneralizedOFDMwith

apulseshapingfilter.When

pulseshapingfilterisrectangular,

HeisenbergTransform

is

identicaltoOFDM.Correspondence

betweenOFDMandOTFSISFFT=

InverseSymplectic

Finite

FourierTransformDelay

(μs)Doppler(Hz)Speed

(km/h)Path

14.50-1297-280Path

27.212162467Equalization

inthe

PresenceofHigh

Doppler

High

Dopplerwith

LOSand2additional

pathsOTFScompensates

for

DopplerOFDMhas

strong

residual

ICI11mmWave:

RFimpairmentmodellingmmWave:propagation

lossandchannel

models6G

Exploration

with

MATLABNonterrestrial

networks(NTN)WaveformexplorationAI/MLforwirelessSensingand

RIS12

Frequencydependent

path

loss<=

1THzcarrierNew

Frequenciesand

Higher

Bandwidths-Channel

Models

3GPPCDLchannel

model<=100GHz

carrier

Raytracing

models:<=

100GHz

carrier13

Usedto

modelchannelsspecifictoa3D

environment

(indoor,

outdoor)

Raytracing

methods:SBR,

image

method

Supportforreflectionand

diffractionRay

Tracing

with

MATLAB146G

Link-Level

Simulation

PDSCHThroughput

Higherdata

rates

Optimizedforparallel

processing–SplitseverySNR

pointon

multiple

cores/

machines15mmWave–

Hybrid

Beamforming

Examples16EVMand

ACPR

Measurement

Evaluate

impactofRFimpairmentson

system

performanceEVMPhase

Noise6G

WaveformPowerACPRMeasurementFilterMeasurementAmplifier17Circuitenvelope?

Highfidelity?

Multicarriersimulation?Arbitraryandcascaded

RF

networks?

Model

impedance

mismatchesIdealizedbaseband?

Mathematical

model?Single

carrier

simulation?Complex

baseband

representation?Assumes

perfect

impedance

matchingWe

provide2levelsoffidelityfordifferentuse

casesmmWave

RF

Modelingf(x)v

v18RF

mmWaveTransmitterwith

Hybrid

BeamformingElevation:RF

beamformingAzimuth:Digital

beamforming19Sensingand

RIS6G

Exploration

with

MATLABmmWave:propagation

lossandchannel

modelsmmWave:

RFimpairmentmodellingNonterrestrial

networks(NTN)WaveformexplorationAI/MLforwireless20

Arrayofcontrollablequasi

passive

low-cost

reflectingelements

Eachelementcanbe

reconfigured

and

apply

a

custom

phaseshifttothe

incomingsignal

Carefulchoiceofphaseshiftsfor

each

elementcancauseconstructiveinterference

at

thereceiverReconfigurable

IntelligentSurfaces(RIS)

ReceiverBlockageTransmitterRIS21deterministic

reflection

angle

configurable

reflection

angle

Moresuitedtoscenarioswith

NLOS

betweentransmitterand

receiver.

Can

increasecoverageat

a

low

cost

RISresponsecanbe

adapted

tothe

channel

conditionsTraditional

material

Metasurfaceα

iRIS

Responseαrα

iα22rΘ

=

diag(β1

ejθ1

,…

,

βNejθN

)Singleantenna

receiverh1×Ny

=

hΘG

Ws

+nM

transmitantennas

WM×1

precodingvectorRISexampleN

elementsGN×Ms23

CDLRISCDL

Rx/Tx

CDLarrayanda

phase

shift

modelsthe

RISStochasticand

DeterministicChannel

ModelRISdisabledRISenabled24AI/MLforwireless6G

Exploration

with

MATLABmmWave:propagation

lossandchannel

modelsmmWave:

RFimpairmentmodellingNonterrestrial

networks(NTN)WaveformexplorationSensingand

RIS25

Device

Identification

Digital

Pre-DistortionB

l

n&

Localization

&

Positioning

Transceiver

designstimatioagementEnChanneeam

MalassificationmSensing&CuSignalSpectrTypical

Applicationsof

AIforWirelessCommunications26AI/MLforFutureWirelessNetworkmanagement&optimizationEnd-to-endsystemoptimizationAI-nativeairinterfaceRFoptimization27Featured

Examples28Nonterrestrialnetworks(NTN)6G

Exploration

with

MATLABmmWave:propagation

lossandchannel

modelsmmWave:

RFimpairmentmodellingWaveformexplorationAI/MLforwirelessSensingand

RIS29

6G

needssolutionsforglobalservice

coverage

NTNcan

providecoverageto

large

isolatedareasata

relatively

low

cost

Inter-satellite-link

(ISL)hopscan

increasecoverage

Asanexample,

Hexa-X

isstudyingthesecoveragetargets:–>99%ofpopulation

reachedwith

>1Mbps–

100%ofworldareacovered6G

NTN

Motivation30

Shippingexampleto

measurethe

NR

NTN

link

performance

NTNchannel

model–Flatfading

Land

MobileSatellitechannel

(ITU-R

P.681-11)–Freq.selectiveTDLbased