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Wireless Network Design: Optimization Models and Solution ...

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292 Marina Aguado, Jasone Astorga, Nerea Toledo <strong>and</strong> Jon Matias<br />

12.6 Conclusions<br />

To conclude, some useful tips to take into account when using a simulation tool for<br />

performance evaluation are listed below. The main idea is to follow a systematic<br />

approach detailed in the following steps:<br />

• Define the system (identifying system boundaries)<br />

• Establish goals<br />

• List services <strong>and</strong> outcomes<br />

• Select performance metrics related to the service being provided.<br />

• List all the parameters that may affect the system performance. These parameters<br />

can be divided into two groups, those that will vary during the simulation (e.g.,<br />

factors in a parametric study) <strong>and</strong> those that will not.<br />

The goal of every performance study is either to compare different alternatives or to<br />

find the optimal parameter value. With simulations, it may be possible to search the<br />

space of parameter values for the optimal combination, but often it is not clear what<br />

the trade-offs are among different parameters [9]. In these cases, it will be necessary<br />

to carry out some parametric studies.<br />

References<br />

1. Aguado, M., Jacob, E., Saiz, P., Matias, J., Higuero, M., Berbineau, M.: Performance simulation<br />

study of a wimax based telecom architecture for train control systems. In: WCRR 2008<br />

(2008)<br />

2. Aguado, M., On<strong>and</strong>i, O., Agustin, P., Higuero, M., Taquet, E.J.: WiMax on rails. IEEE Vehicular<br />

Technology Magazine (2008)<br />

3. Anastasi, G., Conti, M., Francesco, M.D.: Extending the lifetime of wireless sensor networks<br />

through adaptive sleep. IEEE Transactions on Industrial Informatics 5, 351–365 (2009)<br />

4. Bouckaert, S., Letor, N., Blondia, C., Moerman, I., Demeester, P.: Distributed on dem<strong>and</strong><br />

channel selection in multi channel, multi interface wireless mesh networks. In: IEEE Global<br />

Telecommunications Conference (Globecom), pp. 5086–5091. IEEE, New York, NY, USA<br />

(2007)<br />

5. Braem, B., Latré, B., Moerman, I., Blondia, C., Demeester, P.: The wireless autonomous spanning<br />

tree protocol for multihop wireless body area networks. In: 3rd Annual International<br />

Conference on Mobile <strong>and</strong> Ubiquitous Systems - Workshops, pp. 1 – 8 (2006)<br />

6. Choi, J., Tran, T., Kwon, J., Thomas, R., Mount, T., Billinton, R.: Nodal probabilistic production<br />

cost simulation considering transmission system unavailability. IET Gener. Transm.<br />

Distrib. 2, 32–42 (2008)<br />

7. Fernekeß, A., Klein, A., Wegmann, B., Dietrich, K.: Modular system level simulator concept<br />

for OFDMA systems. IEEE Communications Magazine 47 (2009)<br />

8. Hasan, M.S., Yu, H., Carrington, A., Yang, T.C.: Co-simulation of wireless networked control<br />

systems over mobile ad hoc network using SIMULINK <strong>and</strong> OPNET. Journal of IET Communications<br />

3, 1297–1310 (2009)<br />

9. Jain, R.: The Art of computer systems performance analysis : techniques for experimental<br />

design, measurement, simulation <strong>and</strong> modeling. Wiley, New York (1991)<br />

10. Kasch, W.T., Ward, J.R., Andrusenko, J.: <strong>Wireless</strong> network modeling <strong>and</strong> simulation<br />

tools for designers <strong>and</strong> developers. Comm. Mag. 47(3), 120–127 (2009). DOI<br />

http://dx.doi.org/10.1109/MCOM.2009.4804397

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