about the battery model parameters Inetmanet

[Ernesto Garcia]

Hi

I would like to know the meaning of some values of the battery model used in inetmanet. I'm not sure if these values are correct or they are set up properly. 

I'using 802.15.4 model of a previous version of Inetmanet 2.0.

Theses are the values in my omnet.ini
**.battery.nominal = 25
**.battery.capacity = 25
**.battery.voltage = 3.3
**.battery.resolution = 0.01s
**.battery.publishDelta = 0.3
**.battery.publishTime = 0.02s

I will appreciate your help.


All the best,

--
Ernesto

[Alfonso Ariza Quintana]

**.battery.resolution = 0.01s
**.battery.publishDelta = 0.3
**.battery.publishTime = 0.02s

Determine the actualization period,

The parameters that are important is the consumption in every state

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Date: Mon, 12 Nov 2012 11:23:51 +0100
Subject: [Omnetpp-l] about the battery model parameters Inetmanet
From: otse...@gmail.com
To: omn...@googlegroups.com

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[Ernesto Garcia]

Thanks Alfonso.

Is it possible with this battery model to estimate the node lifetime ?

What do i need to get this or there is other method for this ?

All the best,

Ernesto

2012/11/12 Alfonso Ariza Quintana <aari...@hotmail.com>

--
Ernesto

[Alfonso Ariza Quintana]

you need to set the consumption in every radio state, but you need to be careful about the values, because the base consumption (CPU, screen ...) must be added like a bias to the consumption of the radio in every state

[Ernesto Garcia]

Yes I'm using InetSimpleBattery, i get the Consumed energy and the residual capacity but i  do not know how to estimate the node lifetime based on this values, any suggestion ?


All the best

Ernesto

2012/11/14 Alfonso Ariza Quintana <aari...@hotmail.com>

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Ernesto

[Alfonso Ariza Quintana]

you need to modify the code and introduce a timer and measure the consumption in a interval, with this you have the consumption per  unit time and the rest is easy

[Aneesh Chirukandath]

Please help me, i need the code for observing the drainage of battery capacity Vs time..

[Alfonso Ariza Quintana]

Change in void InetSimpleBattery::initialize(int stage)

residualVec.disable();

to

residualVec.enable();

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[Mmartin]

Dear Alfonso Ariza Quintana  

hope you are doing fine...

Kindly, As I have been seeing you are always trying to help those guys who are new to omnetpp. may I have your help? about installing INETMANET !!

I highly need your help .

I do appreciate your support.

best regards,

Martin

[Sh Asaadi]

Does . Is the residual capacity in joules? in inetmanet.

thanks,

[Alfonso Ariza Quintana]

 

mW/s

 

 

De: omn...@googlegroups.com [mailto:omn...@googlegroups.com] En nombre de Sh Asaadi
Enviado el: domingo, 21 de septiembre de 2014 16:27
Para: omn...@googlegroups.com
CC: aari...@hotmail.com
Asunto: Re: [Omnetpp-l] about the battery model parameters Inetmanet

 

Does . Is the residual capacity in joules? in inetmanet.

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[Ibrahim Khan]

dear I am new to this group. Ernesto and alfanso or anyone else can you tell me how can i get the consumed energy. Secondly tell me why the value of residual energy like : 1.4822e-323 .. Waiting for your favorable response.

[Alfonso Ariza Quintana]

Dou you have included a battery module in the node definition?

 

A value of  e-323 is equal to zero but due to round problems it is possible that the value could be a bit different it is the classical problem of finite precision in computers

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[Ibrahim Khan]

yes i have included.. secondly tell me where is the code of consumption. and how it is calculated

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IBRAHIM

[Alfonso Ariza Quintana]

The consumption of the radio modules is computed in this method

InetSimpleBattery::receiveChangeNotification()

[noor alsaedi]

Hi Alfonso,

Please as usual I need your help.. I am working with omnet 4.4, mixim, WSN... in the result file many scalars and vectors I wonder which one represent the consumed energy for each sensor node coz I am confused..

 Thanx in advanced

[Alfonso Ariza Quintana]

There isn’t, in the result file there is the residual energy, the consumption will be the initial that it is a configuration parameter in the ini file minus the residual

[noor alsaedi]

in ini file we have capacity(mAh)

**.battery.nominal = 99999mAh

**.battery.capacity = 99999mAh

and in result file I found scalars:

device total(mWs) for each sensor node 

and many vectors of capacity(mAh)

Can you please explain to me how to calculate the consumed energy coz its so important in my research...Best regards

[Alfonso Ariza Quintana]

It should be in the sca file the residual energy of the node

Consumption = capacity-residual

[noor alsaedi]

I checked the scalar and found scalar named (total energy(mWs) ) its reduced with time and reduced more if there is attacks on the node within the same simulation time as below

total energy for node (1) after 20 minutes: 74447.75754 (mWs)

total energy for node (1) after 20 minutes when attacked by malicious node: 74447.02322 (mWs)

and capacity is ( **.battery.nominal = 99999mAh )

Sorry to ask again: the parameters is different one is energy(mWs) and the other is capacity(mAh) so if they are the right parameters ( how to subtract coz can not abstract (mAh - mWs) 

 

[Alfonso Ariza Quintana]

mAh = mWh  / V

 

mAh = 3600 * mWs  / V

 

 

In the configuration file you can find the voltage of the battery

[noor alsaedi]

I will consider the following in my research and plz correct if I made a mistake

from ini file :

                      **.battery.nominal = 99999mAh

                       **.battery.voltage = 3.3V

so initial energy for battery : 99999 (mAh)  * 3300 (mV) /3600 (s) = 91665.75 (mWs)

plz notice in calculation I convert the voltage from voltage (V) to milivoltage(mV)

[Alfonso Ariza Quintana]

No

 

mWs = mAh*V*3600

[noor alsaedi]

Thanx alot ... best regards

[noor alsaedi]

Sorry Alfonso to ask again but its urgent to me.. I have the initial energy of the battery but can not find the residual energy scalar..

in mixim > BatteryStats.cc the following code

void BatteryStats::summary(double init, double final, simtime_t_cref lifetime)

{

  Enter_Method_Silent();

  recordScalar("nominal", init, "mW-s");   // in the result file : scalar (nominal) =1,187,988,120 (mWs) which is equal to (Battery Capacity * Battery Voltage) from ini file

  recordScalar("total", init - final, "mW-s");  // ex for node[1]:  scalar (total) = 74447.5689 (mWs) 

  recordScalar("lifetime", lifetime, "s");

  recordScalar("Mean power consumption", (init - final)/SIMTIME_DBL(simTime()), "mW");  //  ex for node[1]:  scalar (Mean power consumption) = 62.03991

}

my question: which scalar represent the residual energy in the result file?  

[Alfonso Ariza Quintana]

This is the consumption

recordScalar("total", init - final, "mW-s");

 

Residual is  

nominal-total  

[Shaikha Al-Khuder]

First: What's the difference between nominal and capacity?

Second: I want to calculate the energy consumption in more than one state of the network. How to do that ? what to include and where to include it? I'm using inet and I don't want to use mixim.

Thank you.

[Shaikha Al-Khuder]

I also have something similar to your problem, and the value never changes no matter for how long I keep the simulation running.

If you find a fix, please tell.

[Shaikha Al-Khuder]

The .ned file of my node already inherits (extend) a module that has a definition for battery (WirelessHost), and the energy value is still fixed all through my simulation.

[Shaikha Al-Khuder]

Salam, Noor,

I'm trying to conclude my MSc. Thesis. and I think you'll be great assistance. I'm also simulating an attack on some of the network nodes and I need to do exactly what you did with energy:

- Calculate the energy consumption (charts and numbers)

- Simulate operations that can presumably reduce energy

I can explain what I've done already so you can tell me what to do or which class to fix. 

In brief, kindly tell me how to integrate the energy with a current setup of simulation, so I can check my steps.

Many thanks.

[Shaikha Al-Khuder]

BatteryStat.cc << Is this class a part of inet? if yes where to find it? if not, how to get it?

[Ibrahim Khan]

Dear Alfanso,

How can we perform parrallel simulation in INet omnet. I have installed DeinoMPI.2.0.1.msi.

Thanks

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IBRAHIM

[Shaikha Al-Khuder]

Does anyone know how to do the below?

On Dec 22, 2015, at 9:56 PM, Shaikha Al-Khuder <cpe....@gmail.com> wrote:

you need to set the consumption in every radio state, but you need to be careful about the values, because the base consumption (CPU, screen ...) must be added like a bias to the consumption of the radio in every state

I mean where to add the values?

Do you have example values of consumption?

Best regards,

Engr. Shaikhah B. Al-Khadhr