• State Resolved
  • Locked Locked
  • Replies 7 replies
  • Subscribers 53 subscribers
  • Views 4163 views
  • Users 0 members are here
Support feedback
Options
Options
Related

This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

How can I develop a mesh/star network based on Bluetooth Low Energy (BLE) technology.

user4938649
Expert 1080 points
Other Parts Discussed in Thread: CC2650, CC2640R2F

Dear Experienced Team,

For my master thesis, I want to develop a mesh/star network based on Bluetooth Low Energy (BLE) technology. Would you please suggest me how can I go forward? What type of  TI sensor kits do I need so that I can order accordingly, please!

Best regards

Hoque

  • 0
    TI__Genius 11740 points
    Hey Hoque,

    If I were you, I'd probably look into using the advertisement/scanning system to do a star/mesh network. This will allow you to send data to many recipients without having to connect explicitly to each other device.

    I would also highly recommend using the launchpads, maybe for the CC2640R2F or CC2650 as a development kit.

    And just a ton - or however many you plan to from network with.

    Hope this helps,
    Rebel
  • 0 in reply to A. Rebel
    Expert 1080 points
    Dear Mr. Rebel,

    Thank you very much for your kind reply with your nice opinion .

    Could you please refer any blog or documentation where I can get the proper instruction to do a star/mesh network using advertisement/scanning system? I would really happy if you help me in this issues. Actually I'm new working with BLE. Moreover, I do not know that from where I can start or which BLE kits should I buy for the thesis?

    Or you can suggest any other better options/project which I can implement with BLE.

    Thanks in advance
    Hoque
  • 0 in reply to user4938649
    Guru 735685 points
    Star and mesh network are two different things. If you want star network, you can run HostTest example on one LUNCHXL-CC2650 which can be controlled by Btool from PC and simple_peripheral example on other LUNCHXL-CC2650 to join HostTest to form a star network. For BLE mesh network, TI doesn't provide examples.
  • 0 in reply to user4938649
    TI__Genius 11740 points
    Hi Hoque,

    I was just thinking about how to best implement it - I don't have any documentation to point you too, sorry! Regarding advertisements and scan responses, you could take a look at the Bluetooth Adopted Specification www.bluetooth.com/.../adopted-specifications

    The reason I recommended the advertisement/scanning system is because it's flexible, and all devices can access the advertisement channels (which are outlined in the spec) - that's not the case for when a connection is formed.

    Regarding BLE itself, feel free to take a look at our Software User's Guide and Simplelink Academy - it's good material, but it can be overwhelming.

    Perhaps, look into other protocols like Zigbee to get a feel for how they implement the network.

    Up to you how many you want to buy, I'd probably start with 3, and get something working first.

    And YK is right, a star network is natively supported with a BLE Central connected to multiple peripherals.

    Regards,
    Rebel
  • 0 in reply to A. Rebel
    Expert 1080 points

    Dear Rebel, 

    Thank you for your kind suggestions. 

    Does BLE and 802.15.4 (Zigbee/6LoWPAN) interoperable? does TI provide any kits to develop a common platform? So I can make a project that they are interoperable and coexist! If answer is yes, then Could please tell me how can I go forward! What types of TI kits can I order suppose?

    Thanks in advance,

    Mahbubul Hoque

  • 0 in reply to user4938649
    Guru 735685 points
    BLE and 802.15.4 (Zigbee/6LoWPAN) are not interoperable. However, you can use CC2650 for both BLE and 802.15.4 (Zigbee/6LoWPAN) application.
  • 0
    Expert 2225 points
    Hi user4938649,
    In Mesh, you have to use Nonconnectable Advertisements to advertise the information of network. The issue of Mesh network is how to controlled packet flooding across a mesh of lossy network nodes. It will terrible with 20-30 nodes in the network and you have to try to broadcast the packet to a node through many intermediary nodes.