<abstract xmlns="http://www.w3.org/1999/xhtml"><p>In cellular networks, while the motivation behind all basic channel assignment strategies is the better utilization of the available frequency spectrum with the consequent reduction of the call blocking probability in each cell, very few of them deal with the problem of non-uniform traffic demand in different cells which may lead to a gross imbalance in the system performance. Mobile users in hot cells (the cells with heavy traffic loads) may suffer from low throughput due to the load imbalance problem. In this paper, we propose a cost effective and simple load balancing scheme that can effectively reduce the overall call blocking. A common set of channels are determined dynamically which can be used simultaneously in all the cells. Cell tiers with different radii are used to cope with the interference introduced by using same set of channels simultaneously in all cells. The performance of the proposed scheme is presented in terms of call blocking probability and channel utilization. Simulation results show that the proposed scheme can reduce the call blocking significantly in highly congested cell.</p></abstract>

In cellular networks, while the motivation behind all basic channel assignment strategies is the better utilization of the available frequency spectrum with the consequent reduction of the call blocking probability in each cell, very few of them deal with the problem of non-uniform traffic demand in different cells which may lead to a gross imbalance in the system performance. Mobile users in hot cells (the cells with heavy traffic loads) may suffer from low throughput due to the load imbalance problem. In this paper, we propose a cost effective and simple load balancing scheme that can effectively reduce the overall call blocking. A common set of channels are determined dynamically which can be used simultaneously in all the cells. Cell tiers with different radii are used to cope with the interference introduced by using same set of channels simultaneously in all cells. The performance of the proposed scheme is presented in terms of call blocking probability and channel utilization. Simulation results show that the proposed scheme can reduce the call blocking significantly in highly congested cell.

Reducing Call Blocks in Cellular Network with Non-Uniform Traffic Conditions

Department of Computer Applications, National Institute of Technology, Durgapur, West Bengal, India.

Department of Information Technology, Durgapur Institute of Advanced Technology & Management, Durgapur, West Bengal, India.

A.K.Choudhury School of Information Technology, University of Calcutta, Kolkata, West Bengal, India.

Department of Computer Science and Technology, Bengal Engineering and Science University, Shibpur, Howrah, West Bengal, India.

Foundations of Computing and Decision Sciences

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Reducing Call Blocks in Cellular Network with Non-Uniform Traffic Conditions"}

In cellular networks, while the motivation behind all basic channel assignment strategies is the better utilization of the available frequency spectrum with...

Reducing Call Blocks in Cellular Network with Non-Uniform Traffic Conditions

Publié en ligne: 20 déc. 2014

Pages: 301 - 318

Reçu: 01 déc. 2013

DOI: https://doi.org/10.2478/fcds-2014-0016

© by Abhijit Sharma

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.