Message: 4
Date: Sun, 13 Feb 2011 11:18:21 +0100
From: Luis Size<[email protected]>
Subject: Re: [Tinyos-help] Multimedia Wireless sensor networks
To: Alex Chih Hu<[email protected]>
Cc: "[email protected]"
<[email protected]>
Message-ID:<[email protected]>
Content-Type: text/plain; charset="utf-8"
Thank you for your answer.
I just checked their website, however I don't think that I can take
pictures or videos with this solution. It do just detection.
Have a good day
Mail sent from iMail for iPhone
Le 13 f?vr. 2011 ? 04:23, Alex Chih Hu<[email protected]> a
?crit :
you have a look http://www.easysen.com/.
Hope it help you.
2011/2/3 luis_size<[email protected]>
Hi everyone,
I'm a new phd student working on wsn for multimedia applications. I
want to set-up a testbed for testing my protocols. Have anyone worked
with video WSN ? can you guide me to a mote-camera (board ?) to design
a wsn with cameras ?
I did some research before posting my question. I decided to use
imote2 plateform with the IMB400 board and I booked this from crossbow.
Unfortunately, after few month of waiting they told me that the imote2
is no more available !!!
Can you help me please ? Any advice is welcome.
Thanks in advance.
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Message: 5
Date: Sun, 13 Feb 2011 18:15:30 +0100
From: Nicole Chiesi<[email protected]>
Subject: Re: [Tinyos-help] obtaining ctp experiment results
To: Omprakash Gnawali<[email protected]>
Cc: [email protected]
Message-ID:
<[email protected]
m>
Content-Type: text/plain; charset="iso-8859-1"
I am facing a situation where , I use the TestNetwork Application in
testbed
of about 45 telosb motes. I was trying to check the saturation point of
ctp.
I increased the packet rate to some 1 packet per second for about 15
nodes
and one packet every 8s for
the rest 20 motes. I still have a very good delivery ratio of about 98
percentage.
How much of data rate is ctp supposed to handle?
When I went down to 3packets /sec for the 15 nodes and one packet /8s
for
the rest of the nodes , then was only significant drop in the delivery
ratio
to about 74 percent.
I think the results I got are not accurate? i do not know if I did
something
wrong here?
Please leave your insight.
Nicole
On Sat, Feb 12, 2011 at 11:43 PM, Nicole Chiesi
<[email protected]>wrote:
Thank you for the clarifications.
I could not figure out how to calculate the duty cycle in the
experiments
that used LPL and LPP. Could you please tell me how I can do it?
thanks,
Nicole
On Wed, Feb 9, 2011 at 12:16 AM, Omprakash Gnawali<
[email protected]> wrote:
On Mon, Feb 7, 2011 at 12:38 PM, Nicole Chiesi
<[email protected]>
wrote:
I changed the sequence number to 16 bits .Thank you.
I have another question. I see the CTP uses different macs. CSMA
and
Box-mac
. How to specify each of those while performing the experiment.
How to
distinguish which Mac is being used?
Those two MACs refer to the same software. If you want to use a
different MAC (e.g., SpeckMac), you will have to follow instruction
that came with the software. For example, -DLSPECKMACD flag in the
Makefile.
- om_p
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Message: 6
Date: Sun, 13 Feb 2011 19:48:24 +0000 (GMT)
From: Mefteh Afef<[email protected]>
Subject: [Tinyos-help] (no subject)
To: [email protected]
Message-ID:<[email protected]>
Content-Type: text/plain; charset="utf-8"
I need to implement AES algorithm in tinyos 2.x
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