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SimpliciTI: Range Extender (hops limitation with Range Extenders).

Daniel Vazquez
Prodigy 10 points
Other Parts Discussed in Thread: CC1101, SIMPLICITI

I have develeop a WSN for enviromental applications. This first version has now almost two years of life, I have used a uC + cc1101 with well results.

The protocol was develop by myself, it is typycal star-tree topology. It suppports up to 255 hops (in theory), but in practical I have tested with ten hops in real installations, it works fine.

For the next version of our WSN products, I´m considering deeply to use the new cc430 platform with SimpliciTI.

My question is that I have read this protocol supports only "4 hops" with "Range Extenders" . But in the last version of SimpliciTI presentation it is showed the next sentence about this issue: "limited to 4 / net (although flexible in design)".

Please, could anybody clarifies this issue.

Regards, Daniel

 

 

 

 

 

  • 0
    TI__Expert 3140 points

    In a basic configuration you might have an End Device (ED) talking to a Repeater(RE) that talks to an Access Point(AP). Say that AP talk to another RE that talks to another ED.

    ED1 <-----> RE1 <-----> AP <-----> RE0 <-----> ED0

    Communications from ED1 to ED0 is then 4 hops. You can't extend this by adding RE devices, because, by design, RE's can't talk to other RE's ... this prevents message storms on the network. It would be possible to add additional peer to peer connections from the ED's to other ED's and extend the network, but this would be an application level addition by the user.

    Scott