OP4: Providing an UWB-IR BAN wireless communications network and its application to design a low power transceiver in CMOS technology.

Enrique Barajas, Thesis Advisor: Diego Mateo, J. L. González

Barcelona Forum on Ph.D. Research in Communications, Electronics and Signal Processing

21st October 2010

Outline

• Motivation• System architecture• System implementation• Measurements• Conclusions

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Outline

• Motivation• System architecture• System implementation• Measurements• Conclusions

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Motivation

Distance

Sp

eed

Data is more likely to be shared at short range

But with low power

Distance

Power

Speed

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Outline

• Motivation• System architecture• System implementation• Measurements• Conclusions

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System architecture

Lower Consumption

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System architecture

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Outline

• Motivation• System architecture• System implementation• Measurements• Conclusions

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System implementation

I TEMPLATE GENERATOR

Q TEMPLATE GENERATOR

IQ MIXERSCORE

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System implementation

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Outline

• Motivation• System architecture• System implementation• Measurements• Conclusions

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Measurements

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Measurements

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MeasurementsWireless Wired

Energy (pJ/b) 75Datarate (Mbps) 560 1200Frequency (GHz) 3 – 5 1 – 8Freq. Tunning YesCoherent YesInductor-less YesArea (mm²) 0.11CMOS Tech. Process (nm) 180

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Outline

• Motivation• System architecture• System implementation• Measurements• Conclusions

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Conclusions

• Transceiver– UWB Impulse radio

• Low power– 75 pJ/b

• High speed– 560/1200 Mbps

• Small area

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Questions?

Contact information

Enrique Barajasebarajas@eel.upc.edu

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