Re: RF in TINI

Marc,

> What sort of range and bandwidth/latency can you live with? You've got a lot
> of options -- the requirements you've listed only really cover the
> application layer, not the link layer ;-)


:) ..  Its an experimental system where we will be testing our stuff in a 
lab(room). So 30m range is good enough for us. 

Regarding bandwidth and latency requirements, there are really no hard 
constraints. Something which is cheap(btwn 100-200$) will serve.

What I am wondering if its a blutooth device, will the MAC protocol be 
built into the device in which case I cannot experiment with my MAC 
protocols. I want something on which I have explicit control like when I 
can put the device into sleep mode or send/receive data, things like that.

Suresh



 > -marc
> 
> 
> On 26/6/03 12:46, "Suresh Purini" 
> <suresh1-rEkehDDEPI54piUD7e9S/g@xxxxxxxxxxxxxxxx> wrote:
> 
> > 
> > Thanks a lot for all of you.
> > 
> > I am giving more details about my project.
> > 
> > 
> > We are trying to develop "Reconfigurable MiddleWare(based on CORBA)" for
> > embedded systems. As a part of this project we are looking at protocol
> > stack composability depending on user requirements. For example the user
> > can choose a naive MAC protocol or some power aware MAC protocol as a part
> > of his application development.
> > 
> > And we statically compose the middleware depending on the users QOS
> > requirements(so that the memory footprint will be small).
> > 
> > We want to demonstrate the aforementioned project using few embedded
> > devices.
> > 
> > So I am just wondering whether I can find a very easy way to hook up an RF
> > interface to TINI(I am not expert in desigining circuits :( :)).  Also I
> > want to measure the power consumption of the system.
> > 
> > I will try to look in the directions pointed by you.
> > 
> > Thanks once again.
> > 
> > Sincerely
> > Suresh
> > 
> > On Thu, 26 Jun 2003, Marc Nicholas wrote:
> > 
> >> Well, yes it's possible to use various types of embedded radios...
> >> 
> >> However, if you're planning on selling a commercial product with an 
> >> embedded
> >> radio module (and not a device such as a radio modem), do bear in mind that
> >> you'll need to have the whole unit FCC certified.
> >> 
> >> If it's just a private use project, you can just use an ISM band radio
> >> modem...although most of the ISM modules don't generally have enough power
> >> to be useful for remote telemetry applications (what's your application?).
> >> 
> >> 
> >> -marc
> >> 
> >> On 26/6/03 08:19, "Suresh Purini" 
> >> <suresh1-rEkehDDEPI54piUD7e9S/g@xxxxxxxxxxxxxxxx> wrote:
> >> 
> >>> 
> >>> Hi-
> >>> 
> >>> I am new to TINI and embedded systems in general. Is it possible to have
> >>> an RF network interface for TINI. I also want the embedded system to be
> >>> powered by battery as i want to measure the power usage(working on some
> >>> power aware protocols).
> >>> 
> >>> Any help in this regard is well appreiciated.
> >>> 
> >>> Thanks in Advance.
> >>> 
> >>> Sincerely
> >>> Suresh
> >>> 
> >>> 
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> >> 
> >>  
> >> --------------------------------------------------
> >> Marc Nicholas Geekythings Inc. C/416.543.4896
> >> UNIX, Database, Security and Networking Consulting
> >> 
> >> 
> > 
> > 
> 
>  
> --------------------------------------------------
> Marc Nicholas Geekythings Inc. C/416.543.4896
> UNIX, Database, Security and Networking Consulting
> 
> 

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