Unicast in data networks is the exchange of IP packets between a single sender and a single receiver over a network using
Transmission Control Protocol (TCP). The effect of the mobility rate on the bandwidth is largely pronounced in such a network which
generally reduces the overall performance of the network. In this paper, an experimental procedure was implemented to actually
determine the effect of mobility rate on the bandwidth and how to minimize the effect to the minimum attainable for improved
performance of Mobile Unicast Data Network. We adopted two test scenarios involving two hosts connected to each other through
(801.11g) wireless adapter; we run iperf on both laptops and used it to configure one as the server and the other as the client. In the first
section, the mobility rate of the client is varied while the server is given a fixed position. However, in the second section, we kept all the
configurations the same as in the first except that the server is now the mobile host and the client is the fixed host. We sent traffic from
the client to the server for 10secs at 2secs interval and used iperf to measure the bandwidth at each designated mobility rate and observed
how the bandwidth varies successively when moving either the server or client in each section of the experiment. The measurements
indicated degradation in the performance of the network by reducing the bandwidth as the mobility rate increased when either of the
hosts is in motion. We also observed that the effect was more adverse on the bandwidth when the client was in motion as there is a wider
variation in the measured bandwidth. However, we also observed that the measured bandwidth became narrower when the server is in
motion. Therefore, to minimize the effect of the mobility rate on the bandwidth of the network, we recommend that the server should be
the mobile host while the client should be the stationary host.
Published In:IJCAT Journal Volume 7, Issue 7
Date of Publication : July 2020
Pages : 146-150
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Samson Ejiofor Eleje :
Received a B.Engr. degree from the
department of Electronic and Computer Engineering, Nnamdi
Azikiwe University Awka, Anambra State Nigeria in 2009 and the
M.Engr degree from the department of Electronic Engineering,
University of Nigeria Nsukka, Enugu State Nigeria in 2016. He was
formerly a service Engineer at Fencoscope Engineering
Technology. Currently, he is a lecturer at the department of
Electrical and Electronic Engineering, Federal Polytechnics of Oil
and Gas Bonny Island, Rivers State, Nigeria. He is a young
researcher with three publications to his credit. His current
research and publication interest include Network capacity and
bandwidth Optimization.
Herbert Otuosorochi Ndubueze :
holds a B.Engr. degree (2011)
from the department of Electrical, Electronics and Computer
Engineering from Nnamdi Azikiwe University Awka, Anambra
State Nigeria. He was formerly an Engineer at Federal Ministry of
Budget and National Planning, FCT Abuja Nigeria and now
working as a lecturer in the department of Electrical Electronics
Engineering at the Federal Polytechnic of Oil and Gas, Bonny
Island, Rivers State, Nigeria. He is a young researcher and has
written one journal. His research interest is Data Analysis and
Digital Broadband Marketing.
Samuel Ben Irimagha :
holds a B.Engr. degree (2009) from the
department of Electrical Electronic Engineering, University of
Portharcourt, Rivers State Nigeria. and the M.Sc degree (2012)
from the department of Advanced control and Systems, University
of Manchester in England. He was formerly an Engineer at PIVOTGIS
and He is currently working as a lecturer in the department of
Electrical Electronics Engineering at the Federal Polytechnic of Oil
and Gas, Bonny Island, Rivers State. He is a registered member of
Nigerian Society of Engineers. His research and publication
interest is Fault detection and Diagnosis in Control Systems.
Caleb Chimenum Wachukwu :
received a B.Engr (2014) degree
from the department of Electrical and Electronics Engineering,
University of Portharcourt Rivers State Nigeria. He was a science
teacher at Lindengates Academy. He is currently an Assistant
lecturer in the department of Electrical Electronics Engineering at
the Federal Polytechnic of Oil and Gas, Bonny Island, Rivers
State, Nigeria. His research interest is in Electrical Machines and
Renewable Energy.
Bandwidth, Unicast, Mobility rate, Minimize, Iperf, Server and Client
In this paper an experimental procedure was implemented
to actually determine the effect of mobility rate and how to
minimize the effect on the performance of Mobile Unicast
Data Network. We adopted two tests scenarios; in the first,
the bandwidth of a network (Net1) where the client is
enabled to move at a given mobility rate while keeping the
server stationary were measured at designated mobility
rates, on the other hand, in the second test scenario we
took measurement of the bandwidth of the network (Net2)
where the server is enabled to move at corresponding
mobility rate while keeping the client stationary. We
observed that as the mobility rate increases, the bandwidth
of both networks decreased resulting to general
performance degradation. Moreover, the impact was more
pronounced when the client was put to motion than when
the server was in motion.
