WiMAX structured combat network – performance analysis

Document Type : Original Article

Authors

University of Defence, Military Academy, Belgrade, Serbia.

Abstract

Abstract:
The elements of a battlefield nowadays are the unexhausted source of information.
Modern battle environment requires extremely mobile armed systems what leads to
the fact that network infrastructure needs to be more agile. The information exchange
in these conditions is done mostly using the radio. The node mobility is imperative
and is the beginning of all the beginnings when the network analysis is ought to be
performed. Movement of the nodes is rarely measured below 60 km/h and required
bit rate is mostly always above 1 Mb/s. To achieve this, the migration to new
technologies, like the one described by IEEE 802.16e standard is required.
The paper gives the battle operation information exchange analysis which takes place
into the flat, intercepted urban area. The information exchange is done using the cell
structured network consisted of WiMAX base stations. The transceiver system
described by ETSI TS 102 177 V1.5.1 (2010-05) is analyzed in detail thanks to
MATLAB program package. The real battle situation simulation, coverage and
interference analysis is achieved using ATDI HTZ software.
At the end, the basic assumptions review of the simulation is given. The behavior of
the transmitted signal modulated using various modulation schemes in jamming
environment is analyzed considering different Signal to Noise Ratios (SNR). The
performance of the WiMAX base station transceiver network system doing fast
handover of a given subscriber is observed. The simulated network gives the
emergent data on which basis the final conclusion about network performances in
rough electromagnetic environment is given.

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