1. 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 21 st October 2010

2. Outline Motivation System architecture System implementation Measurements Conclusions Barcelona Forum on Ph.D. Research in Communications, Electronics and Signal Processing 2

3. Outline Motivation System architecture System implementation Measurements Conclusions Barcelona Forum on Ph.D. Research in Communications, Electronics and Signal Processing 3

4. Motivation Distance Speed Data is more likely to be shared at short range But with low power Distance Power Speed Barcelona Forum on Ph.D. Research in Communications, Electronics and Signal Processing 4

5. Outline Motivation System architecture System implementation Measurements Conclusions Barcelona Forum on Ph.D. Research in Communications, Electronics and Signal Processing 5

6. System architecture Lower Consumption Barcelona Forum on Ph.D. Research in Communications, Electronics and Signal Processing 6

7. System architecture Barcelona Forum on Ph.D. Research in Communications, Electronics and Signal Processing 7

8. Outline Motivation System architecture System implementation Measurements Conclusions Barcelona Forum on Ph.D. Research in Communications, Electronics and Signal Processing 8

9. System implementation I TEMPLATE GENERATOR Q TEMPLATE GENERATOR IQ MIXERS CORE Barcelona Forum on Ph.D. Research in Communications, Electronics and Signal Processing 9

10. System implementation Barcelona Forum on Ph.D. Research in Communications, Electronics and Signal Processing 10

11. Outline Motivation System architecture System implementation Measurements Conclusions Barcelona Forum on Ph.D. Research in Communications, Electronics and Signal Processing 11

12. Measurements Barcelona Forum on Ph.D. Research in Communications, Electronics and Signal Processing 12

13. Measurements Barcelona Forum on Ph.D. Research in Communications, Electronics and Signal Processing 13

14. Measurements WirelessWired Energy (pJ/b) 75 Datarate (Mbps) 5601200 Frequency (GHz) 3 – 51 – 8 Freq. Tunning Yes Coherent Yes Inductor-less Yes Area (mm²) 0.11 CMOS Tech. Process (nm) 180 Barcelona Forum on Ph.D. Research in Communications, Electronics and Signal Processing 14

15. Outline Motivation System architecture System implementation Measurements Conclusions Barcelona Forum on Ph.D. Research in Communications, Electronics and Signal Processing 15

16. Conclusions Transceiver –UWB Impulse radio Low power –75 pJ/b High speed –560/1200 Mbps Small area Barcelona Forum on Ph.D. Research in Communications, Electronics and Signal Processing 16

17. Questions? Contact information Enrique Barajas ebarajas@eel.upc.edu Barcelona Forum on Ph.D. Research in Communications, Electronics and Signal Processing 17