Cargando…

Power and Radio Resource Management in Femtocell Networks for Interference Mitigation

The growth of mobile traffic volume has been exploded because of the rapid improvement of mobile devices and their applications. Heterogeneous networks (HetNets) can be an attractive solution in order to adopt the exponential growth of wireless data. Femtocell networks are accommodated within the co...

Descripción completa

Detalles Bibliográficos
Autores principales: Alotaibi, Sultan, Sinky, Hassan
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8309852/
https://www.ncbi.nlm.nih.gov/pubmed/34300583
http://dx.doi.org/10.3390/s21144843
_version_ 1783728620623101952
author Alotaibi, Sultan
Sinky, Hassan
author_facet Alotaibi, Sultan
Sinky, Hassan
author_sort Alotaibi, Sultan
collection PubMed
description The growth of mobile traffic volume has been exploded because of the rapid improvement of mobile devices and their applications. Heterogeneous networks (HetNets) can be an attractive solution in order to adopt the exponential growth of wireless data. Femtocell networks are accommodated within the concept of HetNets. The implementation of femtocell networks has been considered as an innovative approach that can improve the network’s capacity. However, dense implementation and installation of femtocells would introduce interference, which reduces the network’s performance. Interference occurs when two adjacent femtocells are operated with the same radio resources. In this work, a scheme, which comprises two stages, is proposed. The first step is to distribute radio resources among femtocells, where each femtocell can identify the source of the interference. A constructed table is generated in order to measure the level of interference for each femtocell. Accordingly, the level of interference for each sub-channel can be recognized by all femtocells. The second stage includes a mechanism that helps femtocell base stations adjust their transmission power autonomously to alleviate the interference. It enforces a cost function, which should be realized by each femtocell. The cost function is calculated based on the production of undesirable interference impact, which is introduced by each femtocell. Hence, the transmission power is adjusted autonomously, where undesirable interference can be monitored and alleviated. The proposed scheme is evaluated through a MATLAB simulation and compared with other approaches. The simulation results show an improvement in the network’s capacity. Furthermore, the unfavorable impact of the interference can be managed and alleviated.
format Online
Article
Text
id pubmed-8309852
institution National Center for Biotechnology Information
language English
publishDate 2021
publisher MDPI
record_format MEDLINE/PubMed
spelling pubmed-83098522021-07-25 Power and Radio Resource Management in Femtocell Networks for Interference Mitigation Alotaibi, Sultan Sinky, Hassan Sensors (Basel) Article The growth of mobile traffic volume has been exploded because of the rapid improvement of mobile devices and their applications. Heterogeneous networks (HetNets) can be an attractive solution in order to adopt the exponential growth of wireless data. Femtocell networks are accommodated within the concept of HetNets. The implementation of femtocell networks has been considered as an innovative approach that can improve the network’s capacity. However, dense implementation and installation of femtocells would introduce interference, which reduces the network’s performance. Interference occurs when two adjacent femtocells are operated with the same radio resources. In this work, a scheme, which comprises two stages, is proposed. The first step is to distribute radio resources among femtocells, where each femtocell can identify the source of the interference. A constructed table is generated in order to measure the level of interference for each femtocell. Accordingly, the level of interference for each sub-channel can be recognized by all femtocells. The second stage includes a mechanism that helps femtocell base stations adjust their transmission power autonomously to alleviate the interference. It enforces a cost function, which should be realized by each femtocell. The cost function is calculated based on the production of undesirable interference impact, which is introduced by each femtocell. Hence, the transmission power is adjusted autonomously, where undesirable interference can be monitored and alleviated. The proposed scheme is evaluated through a MATLAB simulation and compared with other approaches. The simulation results show an improvement in the network’s capacity. Furthermore, the unfavorable impact of the interference can be managed and alleviated. MDPI 2021-07-15 /pmc/articles/PMC8309852/ /pubmed/34300583 http://dx.doi.org/10.3390/s21144843 Text en © 2021 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Alotaibi, Sultan
Sinky, Hassan
Power and Radio Resource Management in Femtocell Networks for Interference Mitigation
title Power and Radio Resource Management in Femtocell Networks for Interference Mitigation
title_full Power and Radio Resource Management in Femtocell Networks for Interference Mitigation
title_fullStr Power and Radio Resource Management in Femtocell Networks for Interference Mitigation
title_full_unstemmed Power and Radio Resource Management in Femtocell Networks for Interference Mitigation
title_short Power and Radio Resource Management in Femtocell Networks for Interference Mitigation
title_sort power and radio resource management in femtocell networks for interference mitigation
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8309852/
https://www.ncbi.nlm.nih.gov/pubmed/34300583
http://dx.doi.org/10.3390/s21144843
work_keys_str_mv AT alotaibisultan powerandradioresourcemanagementinfemtocellnetworksforinterferencemitigation
AT sinkyhassan powerandradioresourcemanagementinfemtocellnetworksforinterferencemitigation