applications Daniel Belo Felisberto Pereira Motivation Present - PowerPoint PPT Presentation

Mar 12, 2024 •238 likes •400 views

Nuno Borges Carvalho Passive Backscatter Sensors for IoT Ricardo Correia applications Daniel Belo Felisberto Pereira Motivation Present IoThings Near future IoThings Page 2 IT- DETI Universidade de Aveiro (nbcarvalho@ua.pt)

Nuno Borges Carvalho Passive Backscatter Sensors for IoT Ricardo Correia applications Daniel Belo Felisberto Pereira
Motivation Present Io“Things” Near future Io“Things” Page 2 IT- DETI – Universidade de Aveiro (nbcarvalho@ua.pt)
Motivation Page 3 IT- DETI – Universidade de Aveiro (nbcarvalho@ua.pt)
Motivation from QUALCOMM Page 4 IT- DETI – Universidade de Aveiro (nbcarvalho@ua.pt)
Motivation Energy waste in IoT Standby Energy Battery Manufacturing One battery per IoT device and replaced every 2 nd year Source: 2016 data http://edna.iea-4e.org Page 5 IT- DETI – Universidade de Aveiro (nbcarvalho@ua.pt)
Motivation Energy waste in IoT Standby Energy Batteries take hundreds of years to decompose , posing a serious threat to the public health and to the environment. Page 6 IT- DETI – Universidade de Aveiro (nbcarvalho@ua.pt)
AAA CR2032 CR123A CR2 Market Solutions Power Consumption 60 50 40 Years 30 20 Type AAA CR2032 CR123A CR2 10 Material Alkaline LiMn02* Lithium Lithium 0 Voltage 3V 3V 3V 3V 0 50 100 150 200 250 300 350 Transactions per day Capacity 500 mAh 225 mAh 1500 mAh 800 mAh Page 7 IT- DETI – Universidade de Aveiro (nbcarvalho@ua.pt)
Energy harvesting sources Radio and TV GSM/Cellular broadcast Wi-Fi Page 8 IT- DETI – Universidade de Aveiro (nbcarvalho@ua.pt)
The Solution Passive LoRa – 60 mW to 400 mW WiFi – 50 mW to 1 W Bluetooth – 5 mW to 90 mW Energy Wireless Power Harvesting Transmission • Remove the need of power for transmit / receive! • Eliminate batteries! Backscatter communications Page 9 IT- DETI – Universidade de Aveiro (nbcarvalho@ua.pt)
SWIPT Simultaneous Wireless Information and Power Transfer Energy Wireless Power Harvesting Transmission Backscatter communications Page 10 IT- DETI – Universidade de Aveiro (nbcarvalho@ua.pt)
Our Solution – SWIPT backscatter Passive Sensors Low Cost SDR Readers Dummy Wireless Power Transmitters Page 11 IT- DETI – Universidade de Aveiro (nbcarvalho@ua.pt)
Backscatter Battery-less Paradigm IT- DETI – Universidade de Aveiro (nbcarvalho@ua.pt) 12
Towards the FUTURE!! Increase frequency and Increase data rate and kbit/s Gbit/s decrease size enable WPT capabilities Passive Sensors Increase Data rate 2016 2015 2017 2018 2019 Total size = 0.92 mm 2 Page 13 IT- DETI – Universidade de Aveiro (nbcarvalho@ua.pt)
Backscatter ambient backscatter Spyridon N Daskalakis et all, “Spectrally Efficient 4 -PAM Ambient FM Backscattering for Wireless Sensing and RFID Applications”, to be presents in the next IMS2018 in Philadelphia IT- DETI – Universidade de Aveiro (nbcarvalho@ua.pt) 14
mmWave low power connectivity – Applications & Investors • Glaucoma • Diabetes (track the blood sugar levels – measure glucose) Extremely small, low power and cheap connectivity solution which can be embedded in every object Page 15 IT- DETI – Universidade de Aveiro (nbcarvalho@ua.pt)
Thank you very much for your attention Page 16 IT- DETI – Universidade de Aveiro (nbcarvalho@ua.pt)

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