Poster: Securing IoT through coverage-bounding wireless - - PowerPoint PPT Presentation
Poster: Securing IoT through coverage-bounding wireless communication with visible light Qing Wang 1 , Jona Beysens 2 , Dave Singele 2 , and Sofie Pollin 2 1 TU Delft, the Netherlands 2 KU Leuven, Belgium 1 Coverage-bounding wireless
Coverage-bounding wireless communication with visible light 1
Poster: Securing IoT through coverage-bounding wireless communication with visible light
Qing Wang1, Jona Beysens2, Dave Singelée2, and Sofie Pollin2
1 TU Delft, the Netherlands 2 KU Leuven, Belgium
Coverage-bounding wireless communication with visible light 2 Coverage-bounding wireless communication with visible light 2
Trend in Wireless Communications
3 kHz 300 kHz 30 MHz 300 MHz 6 GHz 30 GHz 300 GHz
1G 2G 3G 4G 5G ...
30 GHz 300 GHz Antenna design is very complex Signal processing is complex Devices are expensive Much more energy consumptions
5G
Coverage-bounding wireless communication with visible light 3 Coverage-bounding wireless communication with visible light 3
Trend in Wireless Communications
3 kHz 300 kHz 30 MHz 300 MHz 6 GHz 30 GHz 300 GHz
1G 2G 3G 4G 5G ...
30 GHz 300 GHz Antenna design is very complex Signal processing is complex Devices are expensive Much more energy consumptions
5G
Coverage-bounding wireless communication with visible light 4
Visible Light Communication
Advantages compared to RF: Much larger bandwidth Signal processing is easier Energy efficient Devices are cheaper Secure: light can be bounded by walls
Coverage-bounding wireless communication with visible light 5
A step further: Coverage-bounding wireless communication with visible light
HODOR: coverage-bounding and visual wireless communication § Coverage-bounding: the wireless communication range is controlled accurately in 3-dimensions § Visual: the communication coverage and process are visible to user à an important and user-friendly side-channel for securing IoT
Coverage-bounding wireless communication with visible light 6
Realization methods
Physical methods Visible light is directional Visible light can be blocked easily Software-defined methods Dynamically change the the parameter settings of TXs, receivers, and program the surroundings.
Coverage-bounding wireless communication with visible light 7
Simulation results
Setup: a grid of 4 transmitters in an area of 3 m X 3 m Result: coverage-bounding by using blockages Result: coverage-bounding by leveraging interference from neighboring transmitters
Coverage-bounding wireless communication with visible light 8
Simulation results
Setup: a grid of 4 transmitters in an area of 3 m X 3 m Result: coverage-bounding by using blockages Result: coverage-bounding by leveraging interference from neighboring transmitters
Coverage-bounding wireless communication with visible light 9
Experimental result
Based on our DenseVLC testbed [1,2]: TX8 (desired), TX12 and TX32 (interfering transmitters) Result: can bound the communication range as desired
[1] A Cell-free Networking System with Visible Light. IEEE/ACM Transactions on Networking, 2020. [2] DenseVLC: A Cell-Free Massive MIMO System with Distributed LEDs. ACM CoNEXT, 2018.
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Conclusion
Proposed the concept of coverage-bounding wireless communication Proposed two categories of preliminary methods Evaluated with simulation and experiments
Coverage-bounding wireless communication with visible light 11 Passive Visible Light Networks: Taxonomy and Opportunities 11