The Things Network: Basic presentation

Transcript

1. THE THINGS NETWORK
   Switzerland community
   gonzalocasas@gmail.com
   @gnz
   

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2. THE THINGS NETWORK
   A global community, building open source
   software and hardware to operate a
   crowd-sourced IoT network.
   

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3. IN SWITZERLAND
   

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4. WHAT IS LORAWAN?
   

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5. LORAWAN
   • LoRa (Long Range): Radio modulation technique
   • LoRaWAN: MAC protocol for Wide Area Networks (OSI Layer 2 and 3)
   sensors
   nodes
   gateways backend
   application
   backend
   LoRa ip ip
   

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6. LORAWAN
   3 * 10
   10 km range
   10 USD/node
   10 years battery life
   

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7. LONG RANGE
   2km - 5km in urban setting
   40km+ in rural setting
   © ttnmapper.org , Open Street Map
   

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8. INSANELY
   LONG RANGE
   (under extreme conditions)
   201 km ground-to-ground
   by Andreas Spiess, TTN Basel
   http://www.sensorsiot.org/
   © ttnmapper.org
   

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9. INSANELY
   LONG RANGE
   (under extreme conditions)
   333 km air-to-ground (helium balloon)
   by @telkamp (mapping @jpmeijers)
   © ttnmapper.org
   

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10. LOW COST
    Node/transceiver: CHF 8.5
    Gateway: ~CHF 250 (indoor)
    Open source stack + ISM bands
    Low CAPEX, almost negligible OPEX
    Photos by @gnz, CC-BY-SA
    

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11. OPEN SOURCE BACKEND
    

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12. UNLICENSED SPECTRUM
    Anyone can deploy a LoRaWAN network!
    

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13. LOW POWER
    Class A Class B Class C
    Always send,
    receive after send.
    Up to 10 years.
    Deep sleep: ~10 μA
    TX ~40 mA
    RX ~14 mA
    Time-synchronized
    receive windows.
    Always-on receive
    mode.
    Not supported
    Support not ready,
    but planned
    

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14. LIMITATIONS
    Bandwidth
    Payload size
    Regulatory limits
    0.3 bps to 50 kbps
    51 bytes (DR0)

    222 bytes (DR4)
    Fair usage policy
    1% Duty Cycle
    30 seconds/day airtime

    10 downlinks/day
    

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15. ARCHITECTURE
    

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16. nodes
    gateways
    

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17. END-TO-END SECURITY
    Network Session Key: Message Integrity
    Application Session Key: Join, Encryption and Decryption
    Devices Gateways Network Server Application
    

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18. LINKS
    https://ttn-ch.herokuapp.com/
    https://opennetworkinfrastructure.org/
    https://www.thethingsnetwork.org/country/switzerland/
    

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