Filters








935 Hits in 5.0 sec

A Review on Co-Tier Interference Reduction Techniques In Between LTE Femtocells
English

Ninad M Belalekar, Shrikrishna D Patil
2015 International Journal of Innovative Research in Science, Engineering and Technology  
In LTE spectrum is limited so to increase spectral efficiency most of the operator deploy single frequency network but this also increase level of interference.  ...  Hence this research survey seeks to analyze various techniques used for Co-tier interference reduction in LTE Femtocell networks are discussed in this review paper.  ...  As per the literature survey the conventional method to figure out this problem is by increasing the cluster order which can mitigate the Inter Cell Interference efficiently.  ... 
doi:10.15680/ijirset.2015.0402011 fatcat:bvn2xvx7sncbdk7jpv2axklhkq

Cost-Effective Frequency Planning for Capacity Enhancement of Femtocellular Networks

Mostafa Zaman Chowdhury, Yeong Min Jang, Zygmunt J. Haas
2011 Wireless personal communications  
In this paper, we present various femtocellular network deployment scenarios, and we propose a number of frequency-allocation schemes to mitigate the interference and to increases the spectral efficiency  ...  While improper interference management can cause a significant reduction in the system capacity and can increase the outage probability, effective and efficient frequency allocation among femtocells and  ...  The dynamic frequency-reuse scheme is proposed here for the medium-and the highly-dense femtocellular network to increase the spectral efficiency and to mitigate the effects of interference.  ... 
doi:10.1007/s11277-011-0258-y fatcat:7s7pqqfgffbsnjmqw43zqnhszu

Enhanced fractional frequency reuse approach for interference mitigation in femtocell networks

Abdullah H. Alquhali, Mardeni Roslee, Mohamed Babikir Abdelgadir, Khaldon Kordi, Khalid S. Mohamed
2020 Bulletin of Electrical Engineering and Informatics  
For this reason, an enhanced fractional frequency reuse approach is proposed in this paper to mitigate the interference in femtocell networks.  ...  Keywords: Cellular communication Femtocell networks Fractional frequency reuse Interference management Throughput This is an open access article under the CC BY-SA license.  ...  CONCLUSION In this paper, we propose an approach to mitigate the interference in femtocell networks by dividing the coverage area into three regions rather than two in the fractional frequency reuse approach  ... 
doi:10.11591/eei.v9i4.2355 fatcat:62xuqcqs4vetjnotwq2gjlf27m

Rethinking Interference Mitigation Spectrum Efficiency Model in Femtocell Networks using FFR

Vikas Solanki, M. Qasim
2015 International Journal of Computer Applications  
This paper focuses on interference mitigation techniques in femtocell/macrocell networks and proposes a fractional frequency reuse (FFR) mechanism that leads to increase overall system performance.  ...  Additionally, a position minded frequency allocation to the femtocells targets to further reduce the crosstier interference in femtocell networks.  ...  In [32] Bouras, C. et al. study the interference mitigation techniques in femtocell/macrocell networks and proposed a frequency reuse mechanism that leads to increase overall system performance.  ... 
doi:10.5120/ijca2015905597 fatcat:lrjkkjzucrbinaiva2b3pbqzem

Interference Mitigation and Capacity Enhancement based on Dynamic Frequency Reuse for Femtocell Networks [article]

Md. Tashikur Rahman, Md. Didarul Alam, Mostafa Zaman Chowdhury
2018 arXiv   pre-print
In this paper we propose a dynamic frequency reuse scheme for the deployment of femtocells within a macrocell with the femtocells reusing the spectrum of neighbouring macrocells.  ...  This hierarchical deployment of cells introduces the necessity of effective frequency planning for mitigation of interference between different layers of network.  ...  Our work provides an effective way to mitigate interference as well as ensure maximum reuse of macrocell spectrum among femtocells.  ... 
arXiv:1810.02572v1 fatcat:ljhu5hfjzbecll6hn6jyqxg7ti

A self-organized resource allocation scheme for heterogeneous macro-femto networks

Mahima Mehta, Nirbhay Rane, Abhay Karandikar, Muhammad Ali Imran, Barry G. Evans
2014 Wireless Communications and Mobile Computing  
Frequency Reuse (FFR) for OFDMA-based macro-femto network.  ...  network in [25] to mitigate crosslayer interference.  ... 
doi:10.1002/wcm.2518 fatcat:edxt7n4hrnfg7mcegv2zzyhiwq

An FFR Based Technique to Improve System Capacity through Femtocell Based Network

2016 International Journal of Science and Research (IJSR)  
In this paper, an efficient method to improve system capacity through interference management in the existing Femto-Macro two tier networks has been proposed.  ...  In this scheme, a novel frequency planning for two tier cellular network using frequency reuse technique is used where Macro base station allocate frequency sub-bands for femtocell users on-request basis  ...  In integrated Femtocell/Macrocell environments interference is caused by overlapping of frequency bands as a result of deploying Femtocells randomly in Macrocell area.  ... 
doi:10.21275/v5i6.nov164545 fatcat:74qlcw2zbbarvlcbk23ofdntba

Cooperative interference mitigation for indoor dense femtocell networks

J. Y. Wu, Jimin Liu, Jiming Chen, Xiaoli Chu
2012 7th International Conference on Communications and Networking in China  
fractional frequency reuse (FFR) are developed for dense femtocell networks.  ...  In this paper, interference mitigation schemes for indoor dense deployment of femtocells are investigated, and a cooperative transmission scheme and a semi-static interference mitigation scheme based on  ...  It can improve indoor network coverage and data performance by more efficient spatial spectrum reuse.  ... 
doi:10.1109/chinacom.2012.6417455 dblp:conf/chinacom/WuLCC12 fatcat:svidnyjj7zcerd2nit2ubpjqti

Traditional Macro-tower to Heterogeneous Cellular Networks: A Survey

Janmoni Borah, Joyatri Bora
2017 International Journal of Advanced Science and Technology  
This paper addresses some of the major concerns of today's cellular system such as coverage, capacity, interference and spectrum reuse.  ...  The paper also presents and discusses advantages and future needs of denser deployment of base stations and cells in a heterogeneous cellular network.  ...  In [33] , Guogang et al., have proposed a novel Adaptive Frequency Reuse (AFR) scheme for ICI coordination in femtocell network.  ... 
doi:10.14257/ijast.2017.109.02 fatcat:ydimw6yg3be63govehe5oj73um

Interference Control And Radio Resource Management In Femtocell

DR.A.K. KURESHI
2016 Zenodo  
The deployment of femtocells in the existing macrocell networks and in 4G networks will significantly increase due to femtocells offer increase the coverage,the capacity and user friendly mode of operations  ...  Recently advancement in 4th generation (4G) heterogeneous networking has opened the door for the deployment of femtocells in a large scale.  ...  The DFP (dynamic frequency planning) was also proposed by Lópes Perez etal. [34] to decrease interference and reuse available sub channels in OFDMA networks. Lee et al.  ... 
doi:10.5281/zenodo.1463594 fatcat:w33fvo3g7vctna2cy7azorgq54

A Review of Radio Resource Management in FemtoCell from Interference Control Perspective

Nipendra Kayastha, Dusit Niyato
2017 ECTI Transactions on Computer and Information Technology  
Able to be installed and maintained by individual user, femtocell provides a cost effective solution to mobile operators to achieve higher network capacity.  ...  In this article, we summarize various interference and resource management techniques proposed in the context of femtocell. Specifically, we focus on interference avoidance techniques.  ...  network to mitigate any interference induced by the femtocell deployment [118] [119] [120] .  ... 
doi:10.37936/ecti-cit.2017112.104906 fatcat:q77dlr2y4jccti24iheteia7te

Interference management in OFDMA femtocell networks: issues and approaches

N. Saquib, E. Hossain, Long Bao Le, Dong In Kim
2012 IEEE wireless communications  
Interference mitigation between neighboring femtocells and between the femtocell and macrocell is considered to be one of the major challenges in femtocell networks because femtocells share the same licensed  ...  In this article, we provide a survey on the different state-of-the-art approaches for interference and resource management in orthogonal frequency-division multiple access (OFDMA)-based femtocell networks  ...  Therefore, efficient allocation of sub-channels is required in OFDMA-based femtocell networks to mitigate co-tier interference. • Cross-tier interference: This type of interference occurs among network  ... 
doi:10.1109/mwc.2012.6231163 fatcat:belfxf774fatfbt3baee7bku7y

A two-tier frequency reuse scheme

Yoram Haddad, Dana Porrat
2010 2010 IEEE 21st International Symposium on Personal, Indoor and Mobile Radio Communications Workshops  
We propose here a double frequency reuse scheme, which allows a femtocell to reuse the frequency already in use by adjacent sectors of the overlaying macrocell.  ...  Coexisting femtocells and macrocells lead to severe interference scenarios.  ...  RSS in Uplink with concentration at the edge  ... 
doi:10.1109/pimrcw.2010.5670362 fatcat:iym5oxowxnfahbwjcajy2ahd5a

Cognitive femtocell networks: an opportunistic spectrum access for future indoor wireless coverage

Li Huang, Guangxi Zhu, Xiaojiang Du
2013 IEEE wireless communications  
Furthermore, high cellular capacity is reached by efficient spatial spectrum reuse in a smaller cell size.  ...  Since CFAPs have potential to adaptively allocate radio resources and efficiently mitigate co-channel interference (CCI) in a two-tier network, it is promising to apply CR-enabled femtocells to break through  ... 
doi:10.1109/mwc.2013.6507393 fatcat:lntmkagc25aixatwfq4fiyaeiq

RSSI Algorithm Based Interference Reduction Technique for LTE Networks

Shahegul Ansari, Veena Gulhane
2017 Proceedings of the Second International Conference on Research in Intelligent and Computing in Engineering  
For reducing this problem, in this paper we propose a Modified Fractional Frequency Reuse (MFFR) technique with Received Signal Strength Indication (RSSI) algorithm.  ...  Femtocell is an approach of LTE networks for reducing indoor coverage problems. While, locating macro-cells and femto-cells may found a situation of interference.  ...  Hence, we proposed an efficient and simple MFFR with RSSI algorithm based interference reduction technique in the LTE femtocell systems.  ... 
doi:10.15439/2017r109 dblp:conf/rice/AnsariG17 fatcat:5a5ghidonnd4lmcxgatw3u4txa
« Previous Showing results 1 — 15 out of 935 results