Simulation of Vertical Handoff Algorithms for Heterogeneous Wireless Networks

Simulation of Vertical Handoff Algorithms for Heterogeneous Wireless Networks

Alexander Garcia D. (Alexander Garcia D.Universidad Autonoma de Occidente, Colombia), Andres Navarro C. (Andres Navarro C.Universidad ICESI, Colombia), Adriana Arteaga A. (Adriana Arteaga A.Universidad ICESI, Colombia), Fabio G. Guerrero (Universidad del Valle, Colombia) and Enrique Stevens-Navarro (Universidad Autonoma de San Luis Potosi, Mexico)
DOI: 10.4018/978-1-4666-0191-8.ch004
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Computer simulation is an important tool for the study and analysis of communication networks. In the case of simulation of Vertical Handoff Algorithms (VHAs) for heterogeneous wireless networks there are two approaches: using a network simulator or using general purpose programming languages. The objective of this chapter is to present and compare both approaches, by means of two study cases. The first case considers the use of network simulator NCTUns (National Chiao Tung University Network Simulator), while the second case considers the use of MATLAB.
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Simulation Of Vhas And Simulation Approaches

Usually, a computer network simulator presents wired and wireless networking and, in its basic software release, horizontal handoff (handoff between access points of the same technology) is suitable for wireless networks including WiMAX, GPRS, 802.11a, 802.11b in ad hoc and infrastructure mode. Some network simulators do not have the functionality of vertical handoff, but the user can manipulate the tool to include it.

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