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WiGig (802.11ad)Overview
WiGig isthenextgenerationWi-Fistandard• FocussedonMulti-Gigabitwirelesscommunication• Datademandisexploding:cloud,socialmedia,videostreamingandVR
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Multi-gigabitWiGigBroadband WirelessVRWiGigDirect
WiGig History• OriginatedinWirelessGigabitAlliance~50membertradeorganizationin2007
• BODincludedQualcomm,Intel,Sony,Samsung,Apple,Broadcom,Nokia,CISCOetc.• Spec.contributorsincludedPeraso,TI,STMicro,NXP,Keysight etc.
• WiGig Specification1.0– Dec2009• CooperationwithWi-FiAllianceofficiallybeganin2010• WiGig Specification1.1(CertificationReady)- June2011• FormallypublishedDec2010asamendmentto802.11standard:IEEE802.11ad-2012• WirelessGigabitAlliancemergedintoWi-FiAllianceinJan2013• Wi-FiCERTIFIEDWiGig certificationlaunchedinOct2016
• Dell,Intel,Peraso,QualcommandSocionext comprisetestbed
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WiGig Spectrum
• Locatedinthe60GHzV-band.Verywide2.16GHzchannelspacing• >10xchannelsizeof802.11ac
• Localregulatorybodiesdetermineregionalspectrumallocationfromthe6availablechannels– generallyunlicensedgloballyinatleastoneband
• AllsixchannelsavailableinUSA4
Channel Center(GHz)
1 58.32
2 60.48
3 62.64
4 64.80
5 66.96
6 69.12
WiGig Features• SupportforMultipleModulationCodingSchemes(MCS)
• SingleCarrierModes(BPSK,QPSK,QAM)• LowpowerSingleCarrierModes;MultiCarrier(OFDM)Modes(noproductinfield)
• Networkarchitecture• Infrastructuremode(operateslikeWi-Finetworkswithstationsandaccesspoints)
• Device-to-deviceoperation• CSMAandScheduled(serviceperiods)accessmodes
• SeamlessMulti-bandoperation• Fallbacktolowerfrequency(2.4/5GHz.)Wi-Fiband
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WiGig Features• Beamforming
• Narrow,directionalbeamstoavoidinterferenceandmaximizelinkperformance• Beam-trackingtomaintainoptimalconnectionforlatencysensitiveapplications
• AdvancedPowerManagement
• AdvancedSecurity• WPA2.AESwith128-bitkeyand128-bitblocksizeencryption
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WiGig KeyBenefits
• StandardsbasedsolutionwithinWi-Fiandmultiplevendorsupport• Encouragesbroadmarketdeploymentandlow-costimplementations
• Scalableto100+Gb/sinfuturegenerations– 802.11ay• Higherordermodulation,Channelbonding,MIMO
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FEATURE BENEFIT FUNCTION
Ultra-wideChannels HighThroughput Dataratesup to8Gb/sforextremelyhightransmissionspeed
Highbandwidth60GHzspectrum Lowlatency Real-timedatatransfers
Bandswitchingsupport DynamicSessionTransfer Dynamicswitchbetween2.4/5/60GHz
Beamforming IncreasedcapacityReducedInterference
Reducedinterference/spectralreuseMaximizelinkmargin
Datarateoptimization Powerefficiency MultipleMCSprovide flexibilitybetweenbatterylifeandperformance. Upto5-10xmoreefficientthanotherWi-Fistandards(pJ/Bit)
MarketForecast
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• The market for WiGig devices is already growing
• Expected to ramp to a cumulative 4.7 billion shipments by 2021
WiGigNetworking:Multi-gigabitWi-Fi
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AttheWorkplaceHighlyefficient,costeffectivesolutiontoprovidegigabitEthernetattheoffice
AtHomeMulti-gigabit residentialnetworkingrequired tomatchgigabitbroadbandspeeds
PublicSpacesOff-loadWi-Ficongestion incrowdedpublic spacessuchasairports,malls,cafes
WiGigNetworking:Multi-gigabitWi-Fi
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PAIN POINTS SOLUTION
• Existing2.4/5GHzWi-Finetworkscongested
• WiGig 60GHzoffersfreshuncongestedbandwidth
• ExistingWi-FitooslowforGigabitinternet • 802.11adoffersmulti-Gigabitdatarates
• Cloudaccesscumbersome • Lowinterferencefor4kvideostreaming
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PerasoWiGig802.11ad GigabitEthernet AC5300Tri-BandWi-Fi802.11ac
Windows101.45GBFileCopy
TotalTransferTime: 7secondsAverageTransferSpeed:219MBytes/s(1750Mbits/s)
TotalTransferTime: 14secondsAverageTransferSpeed:110MBytes/s(880Mbits/s)
TotalTransferTime: 43secondsAverageTransferSpeed:34MBytes/s(270Mbits/s)
TransferRateComparison- Typical
WiGigDirect:Multi-gigabitwirelessapplications
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Wireless4KDisplayZerolagcriticalforwirelessgaming/interactiveapplications
WirelessDockingEliminatecableclutterandpermitmobility
HighSpeedMediaTransfer2.5minute4Kfootagetransferredin<30seconds
WiGigDirect:Multi-gigabitwirelessapplications
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PAINPOINTS SOLUTION
• CommonCEcablessuchasHDMI,USB,DisplayPort,areinconsistent,unreliable,cumbersome
• Eliminateallhighspeedcables/congestionusingWiGig
• Eliminatetheneedtocarrypropercables• Eliminateconstantlyevolvingphysicalconnectors
• ModernUltrabooks /tabletshavefewphysicalconnectors
• Improveproductreliability/waterproofing
WirelessVRisaKillerApplicationforWiGig
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PAINPOINTS SOLUTION
• TetheredVRheadsetiscumbersome,clumsy • EliminatethetetherusingWiGig wireless• Multi-userexperienceiscomplex • Highisolationwithmulti-channeland
beamforming• TraditionalWi-Filatencycannotbetolerated
asphysicalexperiencebyhumanbody• LowlatencyoperationwithWiGig
802.11adGreatlyEnhancesSmartphoneUsability
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Smartphone4KScreenCastSmartphones becoming thehubmediaaccess;zero-lagessentialforgestures,gamingandinteractiveapps
60GHzNetworking802.11adprovidesafreshWi-Fibandtousers;nomorecontendingforthenetworkinbusyareas
HighSpeedMediaSyncOn-the-gobackupandsync;200photos in<1secondand15minutesofHDvideoin<10seconds
802.11adGreatlyEnhancesSmartphoneUsability
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PAINPOINTS SOLUTION
• Uploadingmediacontenttocloudishighlycumbersome
• Near-instantaneousuploadofphotos,video,music,especiallyusingcache-equippedWiGig accesspoints
• Wi-Fiincreasinglycongestedincrowdedenvironments
• Interferencefreeoperationat60GHz
• Smartphonesalesflat;newfeaturesessential
• WiGig multi-gigabittransferofferscleardifferentiation
WiGig Broadband
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Point-to-PointBroadbandNextgenerationpoint-to-pointbroadband linksover2Gb/s,1mile,under$500pernode
WiGig-to-the-HomeWiGigeliminatestheneedtorunfiber fromthe‘poletothehome’,thussignificantly reducing thecostofmulti-gigabit internetaccess
BroadbandMeshNextgenerationgigabitinternetarchitectureeliminatesneedforfiberbackbone
WiGig Broadband
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PAIN POINTS SOLUTION
• Fiberdeploymentprohibitivelyexpensive • 60GHzwirelessgreatlyreducessystemdeploymentcost
• Licensefree:greatlyreducesdeploymenttime/scale
• Broadindustryshifttogigabitinternetisdrivingtheneedtoconsideroptionstofiberdeployments
• AT&TannouncedAirGig• Googlecontemplatingbroadshifttowirelesssolution,especiallytocustomerpremises
Spectrumre-useisthemostefficientwaytoincreasenetworkcapacity
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IncreasecelldensityEnhanceduserexperience
SmallCell
MacroCell
Networkdensificationusedtoincreasecapacity
SmallCellSmallCell
Backhaul
60GHz
60GHz
60GHz
60GHz
Sub-6GHz
6-42GHz/70-80GHz
FTTC
SmallCellBackhaul
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MeshNetworkisNextGenerationWirelessInfrastructureArchitecture• Meshbackhaulallowsnetworkoperatorstodynamicallyre-configuretheirnetwork
• Underlyingtechnologyincludesmeshsoftware,phasedarray(steerablebeam)
• Significantbenefitstooperators;
– Dynamicallyadd/removenewcustomers
– Steeraroundinterferenceissues
– Optimizelinkmargin
Replace/augment 5GHzw/60GHzmesh
“FiberTerminus”(onbuildingsortowers)
“Macrohub”(oncustomer ’s home)
“Microhub”(oncustomer ’s home)
1Gbps capacity(24,39,70GHz)
1Gbps+capacity(60GHz)
Upto5miles ~1/3mile 40-70Mbpsconnections (5GHz)
Customers
60GHzWiGig MeshNetwork(SON)
IgniteNet OutdoorWirelessRadios
WiGigtechnologyenablesnewlow-costclassofradiosforWirelessBroadband• 2.5Gb/sOTAperformance• 60GHzinterferencefreeoperation• Linkdistancesupto2.5km• PTPandPTMPOperation
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PerasoW120Chipset
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ConfigurationandControl
PLL
Bias
RxFE
RxCommon
TxFE
TxCommon
LMACPeripherals AFEPHYMAC
ADC
ADC
DAC
DAC
PLL
LMACCPU
WiGigPHYTxPath
WiGigPHYRxPath
UMACPeripherals
GPIO
UMACDCCM192K
UMACCPU
PacketBuffer
464KB
USB2.0/3.0
Device/HostCtrl
USBPHY
USBHS
USBSSTx
RGPIO
UART
SPI
GPIO
UART
SPI
PWM
PWM
USBSSRx
2.5V 1.1V3.3V
REF_CLK
TX_Q
TX_I
RX_Q
RX_I
RADIO_CMODE(LM_GPIO)
ToSerialFlash(UM_SPI)
ToStatusLEDs(UM_PWM)
ToTWI(UM_GPIO)
MAC/PHYIF(A-MPDU)
GCMPSecurity(128-bitAES)
RESET_N
RADIO_BRP(RGPIO)
LSADC
VBUS
RADIO_SPI(LM_SPI)
LMACDCCM96K
LMACICCM192K
UMACDCCM512K
TxIFPath DigitalCore
CPF
BIAS
BiasCentral
XO
45MHz
PRS1141
RESET_N
PRS4001
1.8V 1.2V2.5V
USB3.0IF
TxUpConverter
PowerDivider
TxFE7
VCO
RxVGAandIFPath RxDownConverter
PowerCombiner
SPDT
TxFE6
TxFE5
TxFE4
TxFE3
TxFE2
TxFE1
TxFE0
SPDT
SPDT
SPDT
SPDT
SPDT
SPDT
SPDT
RxFE7
RxFE6
RxFE5
RxFE4
RxFE3
RxFE2
RxFE1
RxFE0
SPI
LSADC
ΣΔ
PLLCore
XREF
TempMon
TEMP
XREF2 XREF1
ATST1
ATST0
RADIO_SPI
RADIO_CMODE
RADIO_AGC
RADIO_BRP
RADIO_AGC(RGPIO)
RF7 RF6 RF5 RF4
RF3 RF2 RF1 RF0
AntennaArray1
AntennaArray2
PRA131
PRA131
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