Directions in Wireless Research - WIDE University · 2006-06-07 · 2 3 Communications Technology Lab Intel’s Platform Focus Deliver platforms with more added value and performance

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Directions in Wireless ResearchDirections in Wireless Research

Dr. Kevin KahnDr. Kevin KahnIntel Senior FellowIntel Senior Fellow

Director, Communication Technology LabDirector, Communication Technology LabIntel CorporationIntel Corporation

June 9, 2006June 9, 2006

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CommunicationsTechnology Lab

Era of UsageEra of Usage--Oriented ComputingOriented Computing

’’60s60s--’’70s70s

Intel 1.0Intel 1.0MemoryMemory

’’80s80s--’’90s90s

Intel 2.0Intel 2.0MicroprocessorsMicroprocessors

’’00s00s

Intel 3.0Intel 3.0PlatformsPlatforms

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IntelIntel’’s Platform Focuss Platform Focus

Deliver platforms with more added value Deliver platforms with more added value and performance to every end userand performance to every end user

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Research at IntelResearch at Intel

ITIT

ManufacturingManufacturingMicroprocessorsMicroprocessorsCommunicationsCommunications

SystemsSystems

Si Devices & ProcessesSi Devices & Processes

ResearchResearch

Platform SolutionsPlatform Solutions

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Delivering innovative technologies foridentified platform challenges

Directed ResearchDirected Research

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Exploratory ResearchExploratory ResearchInvestigating emerging and disruptive

technologies for tomorrow’s applications

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Research Impact:Research Impact:Research Impact:Recent HighlightsRecent HighlightsRecent Highlights

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Communications Technology LabCommunications Technology Lab

Kevin Kahn, Ph. D.Kevin Kahn, Ph. D.CTL Lab Director,CTL Lab Director,Intel Senior FellowIntel Senior Fellow

Alan CrouchAlan CrouchCTL Lab Director, CTL Lab Director, General ManagerGeneral Manager

Residential Residential CommunicationsCommunications

Advanced Wireless Platform Advanced Wireless Platform Innovation Innovation

PerformancePerformanceNetworking & Silicon Networking & Silicon

PhotonicsPhotonics

•• NextNext--Gen WirelessGen Wireless•• Communications CircuitsCommunications Circuits•• Flexible, multiFlexible, multi--radioradio•• HighHigh--performance networking for performance networking for

TeraTera--Scale platformsScale platforms•• Network Security & ManageabilityNetwork Security & Manageability•• Silicon PhotonicsSilicon Photonics•• Communications Standards & PolicyCommunications Standards & Policy

Mission: Drive Intel's communications and Mission: Drive Intel's communications and networking technology leadershipnetworking technology leadership

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The Future of Mobility The Future of Mobility

RELIABLYRELIABLY……

And And SECURELYSECURELY

Delivered to youDelivered to youEASILYEASILY……

Access to Access to ANYTHINGANYTHINGYou wantYou want……

WHENWHENYou want itYou want it……

WHEREWHEREYou want itYou want it

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Intel CTL Wireless Technology ProgramsIntel CTL Wireless Technology Programs

PANPANLANLAN

WANWAN

UWB UWB

60 GHz60 GHz

802.11 802.11

Hybrid Home Hybrid Home NetworkingNetworking

WiMAX WiMAX

3GPP3GPP--LTE LTE Enterprise ClassEnterprise ClassWLANWLAN

Near FieldNear Field

Standards &Standards &RegulatoryRegulatory

Wireless System Wireless System & Silicon & Silicon

NetworkNetworkArch. and Arch. and ProtocolsProtocols

3GPP/WiMAX Interworking3GPP/WiMAX Interworking

MultiMulti--hop Mobile Relayhop Mobile Relay

Mesh NetworksMesh Networks

Mixed NetworkingMixed Networking

MultiMulti--DomainDomain

Digital Enhanced RadiosDigital Enhanced Radios

Flexible Flexible CommComm Core (FCC)Core (FCC)

RF SensingRF Sensing Antenna & FEM DesignAntenna & FEM Design

RF CoexistenceRF Coexistence

MultiMulti--MACMAC

MultiMulti--radio Supportradio Support

802.11802.11

802.16 and WiMAX Forum802.16 and WiMAX Forum

3GPP3GPP 802.15802.15 802.21802.21

Mobile MIMOMobile MIMO Advanced FEC and modulationAdvanced FEC and modulation

Converged TDD Converged TDD SystemsSystems

PAN IP StackPAN IP Stack

USBUSB--IFIF GSMAGSMAWiMEDIAWiMEDIA

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MultiMulti--Radio PlatformsRadio PlatformsOpportunities and ChallengesOpportunities and Challenges

CMOS Radio InnovationCMOS Radio Innovation

Mobile MIMOMobile MIMO

MultiMulti--Radio CoRadio Co--existenceexistence

Standards ConvergenceStandards Convergence

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Key advances:Key advances: 90nm Transceiver die90nm Transceiver dieSystem in a package with matching networks in package System in a package with matching networks in package

Small system footprint innovationSmall system footprint innovation for future nonfor future non--intrusive mobile devicesintrusive mobile devices

LO Generation

5GHz RX

I/Q Baseband 2.4GHz RX

5GHz TX

LowLow--Cost CMOS RFCost CMOS RF

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Mobile MIMOMobile MIMO

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θ

What is MIMO?What is MIMO?

Radio(analog)

Radio(analog)

EncodingAnd

SignalProcessing

MediaAccessControl

Radio(analog)

Radio(analog)

DecodingAnd

SignalProcessing

MediaAccessControl

θ

MIMO = multipleMIMO = multiple--input, multipleinput, multiple--output signaloutput signal--processingprocessingSignals have a spatial Signals have a spatial ““signaturesignature””

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108Mbps( ) ⎥

⎦

⎤⎢⎣

⎡=⎥

⎦

⎤⎢⎣

⎡⇒⎥

⎦

⎤⎢⎣

⎡=⎥

⎦

⎤⎢⎣

⎡

2

1H1-H

2

1

2

1

2

1

rr

HHH ss

ss

H rr

54Mbps

54Mbps+

s1

s2

r1

r2

h11

h22

h21

h12

⎥⎦

⎤⎢⎣

⎡=

2221

1211

hhhh

H

Channel matrix:Channel matrix:

54Mbps

54Mbps

Transmit in the same channel and Transmit in the same channel and ““invertinvert”” channel matrix to find channel matrix to find individual individual bitstreamsbitstreams (possible if there is significant (possible if there is significant multipathmultipath fading):fading):

MIMO Doubles Data RateMIMO Doubles Data Rate

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2x2 MIMO Radio on Intel Silicon2x2 MIMO Radio on Intel Silicon

108 Mbps108 Mbps

Demonstrated on the airDemonstrated on the air

5GHz band5GHz band

Integrated power Integrated power amplifiers with amplifiers with improved efficiencyimproved efficiency

Can also be used for Can also be used for range extension range extension (Alamouti scheme)(Alamouti scheme)

90nm CMOS single chip solution

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•• Prototyping mobile Prototyping mobile broadband using WiMAXbroadband using WiMAX

•• MIMO improves bandwidth MIMO improves bandwidth and connectivity and connectivity

Mobile WiMAX MIMO PlatformMobile WiMAX MIMO Platform

2x throughputdemonstrated

at 30kph!

2x throughputdemonstrated

at 30kph!

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MultiMulti--Radio CoRadio Co--ExistenceExistence

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Cellular

Wi-Fi

Cellular

UWB

Today Future

WiMAX

Evolution to MultiEvolution to Multi--RadioRadio

OneOneradioradio

MultiMultiradioradio

Wi-Fi

/n

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0

2

4

6

8

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'O6 '07 '08 '09

BandsAntennaRadio FEBBMAC

2. Multi2. Multi--Radio Radio subsystem subsystem

implementation implementation with flex. and with flex. and

simsim--opop

MultiMulti--Radio Platform ChallengesRadio Platform Challenges

WiFi WiMAX

Cellular

UWBBT

DVBATSC

““Many wirelessMany wireless”” and and Simultaneous Operations Simultaneous Operations

on future platformson future platforms

Processor/MEM/GFXProcessor/MEM/GFX

ICHICH

WiFiWiFi 3G3G UWBUWB BTBTWiMAXWiMAX TVTV

1. Radio1. Radio--toto--Radio Radio

Coexistence Coexistence /Platform RFI/Platform RFI

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RF Interference: What is it?RF Interference: What is it?

InIn--boxbox

WirelessWireless(802.11)(802.11)

PCI Express

MemoryMCHMCH

ICHICH

RFIRFI

WiMAXWiMAX

Platform RF Interference and radioPlatform RF Interference and radio--toto--radio interference radio interference severely impacts wireless performanceseverely impacts wireless performance

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LCD OffLCD Off

RF Interference: Platform ImpactRF Interference: Platform Impact

20M

Hz

20M

Hz

BWBW

~10dB~10dB

Toshiba TecraToshiba Tecra

Position 1Position 2Position 3Receiver Noise Floor (5dB NF)

802.11b/g802.11b/g

P1P1

P3P3

P2P2

Receiver deReceiver de--sense by 10db means range is now ~halfsense by 10db means range is now ~half

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Example: Video Streaming Example: Video Streaming UWB/802.11aUWB/802.11a

No InterfererNo Interferer (UWB Only) (UWB Only) 25 Mbps 25 Mbps 802.11a Interferer with 802.11a Interferer with 27dB Isolation27dB Isolation--62dBm Received Signal Strength 62dBm Received Signal Strength --57dBm Received Signal Strength57dBm Received Signal Strength

•• UWB radio streamsUWB radio streams--in the video, meanwhile 802.11a starts to transmitin the video, meanwhile 802.11a starts to transmit•• 720x480, 15fps, 18s, 2Mbps MPEG720x480, 15fps, 18s, 2Mbps MPEG--1 reference streams are used1 reference streams are used••Major artifacts are perceived by user even with moderate isolatiMajor artifacts are perceived by user even with moderate isolationon

MultiMulti--radio interference problem does affect applicationsradio interference problem does affect applications

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MultiMulti--Radio CoRadio Co--Existence Existence InnovationsInnovations

CrossCross--layer optimization to layer optimization to reduce radio interferencesreduce radio interferences–– RF interference mitigationRF interference mitigation

–– MAC coordinationMAC coordination

–– Support multiSupport multi--radio network radio network simultaneous operationsimultaneous operation

User Benefits:User Benefits:–– Simultaneous multiSimultaneous multi--applicationsapplications

–– High qualityHigh quality--ofof--serviceservice

3G+

WiMAX

WPAN

GPS

WLAN

MIM

O A

nten

na S

witc

hM

IMO

Ant

enna

Sw

itch

MA

C C

oord

inat

ion

MA

C C

oord

inat

ion

Cross Layer Cross Layer OperationOperation

Researching techniques to improve radio coResearching techniques to improve radio co--existenceexistence

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Standards ConvergenceStandards Convergence

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CellularCellular

What is Convergence? What is Convergence?

IMSIMS MobileTelephony

Pre-paidService

P2PSMS

B2PSMS

EnhancedSMS

Circuit

Circuit

Web Wallpapers MMS Games

PacketPacket

SyncSeamless

Mobility

Push toPush toTalkTalk

VideoVideoClipsClips

IMSIMSTelephonyTelephony

IMS

IMS

WiFi/WiMAXVision: Complete service transparency Vision: Complete service transparency

to the end userto the end user

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Standards Convergence on the HorizonStandards Convergence on the Horizon

802.16e802.16eStandardStandardCompleteComplete

WiMAXWiMAX

3GPP3GPPRAN LTERAN LTEStudiesStudiesOpenOpen

3GPP3GPPNetworkNetwork

OFDM-based

““E3GE3G””StandardsStandardsCompleteComplete

GOAL:GOAL:OFDMOFDM--based Networkbased Network

No No ““IP LockIP Lock””Reduced FragmentationReduced Fragmentation

Flat IP CoreFlat IP Core

802.16e802.16eBasedBased

NetworksNetworks

First Standards Based First Standards Based OFDMA NetworkOFDMA Network

20052005 20062006 20072007 2008+2008+

802.21, SIP802.21, SIPOptimized mixed network handovers

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SummarySummary

Intel is enabling the future mobile lifestyleIntel is enabling the future mobile lifestyle

Continuing advances in wireless platforms Continuing advances in wireless platforms ––CMOS Radio InnovationCMOS Radio Innovation

––Mobile MIMO Mobile MIMO

––MultiMulti--Radio CoRadio Co--existenceexistence

––Standards ConvergenceStandards Convergence

Join us in creating the platforms of Tomorrow!Join us in creating the platforms of Tomorrow!

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Documents

Directions in Wireless Research - WIDE University · 2006-06-07 · 2 3 Communications Technology Lab Intel’s Platform Focus Deliver platforms with more added value and performance