ada503803(the mobile internet——the next big thing2007)(2)

Can we affordably bring the bandwidth of the core to the mobile user?

移动互联网及应用

The Commercial Comms VisionThe Mobile Internet Today’s Wired Capacity Tomorrow Land's Wireless Capacity

Home/Business Impact24/7 Productivity Home/Work Multi-Tasking Reduced Operating Costs Global Virtual Businesses

The Mobile InternetMulti-Mbps Voice, Video, Data Services Available Per User On Demand

移动互联网及应用

The Mobile InternetHow Do We Get There?

The Last-mile SolutionNovel technologies maximizing the utilization of time, frequency, and spatial domainsOptical NetworkATTENUATION (/km) dB 100 40 20 10 4 2 1 0.4 0.2 0.1 0.04 0.02 0.01 0.004 0.002 0.001 30 20 15 10 WAVELENGTH (mm) 8 6 5 4 3 2 1.5 1 0.8

Optical Network

WiFiSEA LEVEL

WiMAX MIMO LNA 4GO2 H2O H2O

Modem

HPA

Modem

UWBH2O 10 15 20 25 30

O2

13,000 FT ALTITUDE

40 50 60 80 100 FREQUENCY (GHz)

200

300 400

Technical ChallengesForward Error Correction Distortion Mitigation Smart Antenna Bandwidth Efficiency Spectrum Availability

ADC/DAC

LNA/HPA

Bandwidth& Spectral Efficiency

Millions of Available Multi-Mbps Channels

移动互联网及应用

Big Electronic Challenge/Opportunity:Increased Bandwidth& LinearityPower& Low Noise Amplifier, Mixer, ADC/DAC Power& Low Noise Amplifier, Mixer, ADC/DAC Problems: Today’s ADCs/DACs have limited bandwidth-resolution product with high power consumption Today’s Front-End RF electronics have severe linearity limitations

Opportunity: Opportunity: Bandgap engineered materials& heterogeneous materials& device integration for optimum RF Bandgap engineered materials& heterogeneous materials& device integration for optimum RF performance performance Capitalize on remarkable D

SP advances to push RF performance beyond material limitations Capitalize on remarkable DSP advances to push RF performance beyond material limitationsInP Electronic Mixed Signal IC technologies GaN MMIC Technologies

Narrowband RF Resonators& Filters

ADCTowards THz Transistors

DAC“Dramatic Advances in RF& Mixed Signal Electronics Are Still To Come” -Steve Pappert, 2007

移动互联网及应用

Military& Commercial Mobile CommunicationsSummary of Key Technology EnablersCommercial Comms Enabler PortfolioPhotonics Electronics

Military Comms Enabler PortfolioElectronics Photonics

Capacity Affordability

Security/Anti-Jam Link Availability

Electronics Higher-speed, low power DSP Higher-speed mixed signal circuits Sub-MMW electronics Linear amplifiers& mixers Narrow-band fast-tunable RF filters

Photonics λ-stable low phase noise optical oscillators Optical Phased-Locked-Loops (OPLLs) Narrow-band fast-tunable optical filters Optical phased arrays Opto-Electronic Integration

IF we are successful, revolutionary increases in mobile communication data rates will be available for…(1) warfighters and commanders, providing coordinated situational awareness for tactical and strategic superiority. (2) individuals and businesses, providing coordinated situational awareness for tactical and strategic superiority.

At the end of the day, we are all after the same objective… See Anything, From Anywhere, At Anytime; and the mobile internet will take us there using Electrons& Photons!