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Polls Poll: Is FHSS Technology Secure Enough for Today's IoT Networks?
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Author: rscasny
Date Created: 24 Mar 2020 6:24 PM
Last Updated: 24 Mar 2020 6:29 PM
Views: 167
Likes: 1
Comments: 4
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Poll: Is FHSS Technology Secure Enough for Today's IoT Networks?

In this tech spotlight, ( Improving Security and Reducing Interference with Frequency Hopping Spread Spectrum  ) we discussed how Frequency Hopping Spread Spectrum (FHSS) works. It was originally invented (around WWII) as a means to prevent jamming of telecommunications and to reduce interference. In in most basic terms, FHSS is a modulation scheme that changes frequency in a pattern known to both the transmitter and receiver. The transmitted data is divided into packets and transmitted to the receiver over numerous hop frequencies. Only transmitters and receivers that are synchronized on the same hop frequency pattern will have access to the transmitted data. While FHSS is a fairly old technology, it has been updated for non-military purposes.

 

Poll Question: Is FHSS Technology Secure Enough for Today's IoT Networks?

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  • frequency hopping
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Top Comments

  • Fred27
    Fred27 over 2 years ago +1

    It is even seriously used for security? I though the main intent was to avoid interference or jamming. Unless the data is properly encrypted FHSS is only really making it more awkward for the data to be…

  • Ujjval Rathod
    Ujjval Rathod 7 months ago

    BLE for example uses these technology and in my openion as this is a task of PHY layer, the implementation is good in terms of security. But it depends and also there is a growing need for other scripto algorithms.

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  • DAB
    DAB 7 months ago

    FHSS is very easy to detect and decode.

    Even using encryption within the FHSS framework may not be enough.

     

    DAB

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  • Fred27
    Fred27 over 2 years ago

    It is even seriously used for security? I though the main intent was to avoid interference or jamming. Unless the data is properly encrypted FHSS is only really making it more awkward for the data to be intercepted.

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  • dougw
    dougw over 2 years ago

    It depends how it is implemented, how many frequencies are used, how fast they hop and how secure the hopping algorithm is.

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