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The Scientific World Journal
Volume 2014, Article ID 815720, 10 pages
Research Article

Coverage Extension and Balancing the Transmitted Power of the Moving Relay Node at LTE-A Cellular Network

1School of Computer and Communication Engineering, University Malaysia Perlis (UniMAP), Perlis, 01000 Kangar, Malaysia
2Department of Space Technology and Communication, Ministry of Science and Technology, Baghdad, Iraq

Received 21 August 2013; Accepted 27 October 2013; Published 29 January 2014

Academic Editors: G. Zhang and J. Zhou

Copyright © 2014 Jaafar A. Aldhaibani et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


The poor capacity at cell boundaries is not enough to meet the growing demand and stringent design which required high capacity and throughput irrespective of user’s location in the cellular network. In this paper, we propose new schemes for an optimum fixed relay node (RN) placement in LTE-A cellular network to enhance throughput and coverage extension at cell edge region. The proposed approach mitigates interferences between all nodes and ensures optimum utilization with the optimization of transmitted power. Moreover, we proposed a new algorithm to balance the transmitted power of moving relay node (MR) over cell size and providing required SNR and throughput at the users inside vehicle along with reducing the transmitted power consumption by MR. The numerical analysis along with the simulation results indicates that an improvement in capacity for users is 40% increment at downlink transmission from cell capacity. Furthermore, the results revealed that there is saving nearly 75% from transmitted power in MR after using proposed balancing algorithm. ATDI simulator was used to verify the numerical results, which deals with real digital cartographic and standard formats for terrain.