I'm trying to came up with classification or design principles of BSN systems? Something like CAP Theorem (https://en.wikipedia.org/wiki/CAP_theorem ) for databases).
So far I setteld on three features of BSN system that can be optimized exclusively:
For example if you would like to extend the lifetime of the system, you need to conserve energy (by lowering computational load or communication, etc.)
As examples of the systems:
- lifetime optimization -- simple loggers (like watches)
- computational load -- high computational load in systems like human activity classification, inertial motion caputre etc.
- energy optimization -- system with energy harvesting techniques
Any ideas on other features? Any other examples? How do you think about principles in BSN system design?
Dear Michal,
I agree with your three features, but I would add vulnerability of BSN systems to them. It can cover the physical issues, e.g. break or aging of the wearable textile parts, as well as the logical vulnerability, e.g. robustness agains electric noises or hacking.
Interesting - but I'm thinking more on the design principles, eg. if we want to prolong system operation time we need to loose a bit of computation power etc. The question basically is: what kind of technologica compromises engineer must employ when he think about designing of BSN.
I would say that physical vulnerability isn't mutually exlusive with those three features, ... or is it?
Well, if you want to develop a robust system, it increases the consumpion, higher computational load needed for fault-tolerant, safe and secure communnication.
The lifetiem issue is twofold, I agree. Inceasing the robustness increases the lifetime if the parts can be solid, but if they should be flexible, the physical use, stress etc decrease it.
Dear Michal
I like the answer of Ferenc . As you are looking for the classification then I could suggest you an Application specific study of BASN applications my students carried out and the work published in Elsevier (full text available on my RG profile )
"Application Specific Study, Analysis and Classification of Body Area Wireless Sensor Network Applications"
Dr Adnan
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