nRF52 Series multilink demo with 20 concurrent connections

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Nordic Semiconductor

Nordic Semiconductor

5 років тому

This demo shows the multilink capabilities of the nRF52 Series SoCs and their associated stacks. Both the nRF52840 and the nRF52832 together with the S140 and S132 SoftDevices respectively can support 20 concurrent Bluetooth Low Energy connections.
Source code available on Github: github.com/NordicPlayground/n...

КОМЕНТАРІ: 13
@nomadic_rider42
@nomadic_rider42 5 років тому
Nice demo. What's the practical BW in this case?
@NordicSemi
@NordicSemi 5 років тому
Thank you Orkhan. This demo is running at 1Mbps but can equally run at 2Mbps on both these SoCs. The bandwidth per connection is adjustable, so you don’t have to have an equal split on every connection as some purposes will probably need more or less bandwidth. Approx bandwith (data throughput) is around 500 to 700 kbps at 1Mbps (on air) and 1 to 1.2 Mbps at 2Mbps (on air).
@vinayTshetty
@vinayTshetty 4 роки тому
Hi thanks for the demo, Is the source code for the android application available shown in the demo..
@NordicSemi
@NordicSemi 4 роки тому
Yes, it is from our Github: github.com/NordicPlayground/android-multi-link-demo
@xristoskoutsos9270
@xristoskoutsos9270 2 роки тому
can this demo work with the dongle instead of the thingy?
@annyjohns5867
@annyjohns5867 5 років тому
How do you subgroup the 20 peripherals in order to send them different informations ?
@NordicSemi
@NordicSemi 5 років тому
For technical questions please use our forum DevZone to connect directly with our tech support team devzone.nordicsemi.com/
@xintian512
@xintian512 5 років тому
This demo not use the mesh?
@NordicSemi
@NordicSemi 5 років тому
No. It uses the nRF52 Series multilink function.
@rz1359
@rz1359 5 років тому
What if want to run more than 20 nodes?!!!
@NordicSemi
@NordicSemi 5 років тому
If you need more than 20 links concurrently there are two options: 1) Use one of the connections as a bridge to another star of 20 and so on. 2) Employ a Bluetooth mesh network using nRF5 SDK for mesh from Nordic Semiconductor.
@rroussis
@rroussis 4 роки тому
@@NordicSemi Is there another Bluetooth chip, industrial BLE gateway or similar which can handle more than 20 concurrent connections without the bridging? What is limiting the connections to 20? Because in the BLE specification itself there is no real limit as I saw... Or what is hindering you to implement sth. which support more concurrent connections with a higher bandwith than Mesh? (Mesh is due to the very low bandwith not suitable for the use cases I have)
@NordicSemi
@NordicSemi 4 роки тому
Hi Raphael, please connect directly with our tech support team on DevZone for more detailed questions like this devzone.nordicsemi.com/
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