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A gradient projection based self-optimizing algorithm for inter-cell interference coordination in downlink OFDMA networks

Xuena Li, Hao Jin, Jiamo Jiang, Shibo Hou, Mugen Peng, Gongpu Wang
2012 7th International Conference on Communications and Networking in China  
division multiple access (OFDMA) networks.  ...  energy efficiency due to interference reduction.  ...  The fractional frequency reuse (FFR) has been proposed as an effective static ICIC scheme for OFDMA networks [9] , which has been utilized in practical networks for its feasibility.  ... 
doi:10.1109/chinacom.2012.6417551 dblp:conf/chinacom/LiJJHPW12 fatcat:oedqzqifx5gz3fdlza7kozbdaa

Higher Order Sectorization in FFR-Aided OFDMA Cellular Networks: Spectral- and Energy-Efficiency

Jan Garcia-Morales, Guillem Femenias, Felip Riera-Palou
2019 IEEE Access  
(OFDMA)-based macro-cellular networks.  ...  Furthermore, an optimization problem for the HOS/FFR-aided OFDMA-based network is addressed, allowing a tradeoff between the EE performance and fairness by suitably dimensioning the FFR inner and outer  ...  An optimal power control scheme is derived in [25] allowing a simple energy-efficient optimization problem for FFR-aided OFDMA-based cellular networks.  ... 
doi:10.1109/access.2019.2892187 fatcat:2nnhghpp4bhctfk2ca4efm2nru

SC-FDMA-based resource allocation and power control scheme for D2D communication using LTE-A uplink resource

Syed Tariq Shah, Jaheon Gu, Syed Faraz Hasan, Min Young Chung
2015 EURASIP Journal on Wireless Communications and Networking  
For future mobile networks, intelligent radio resource allocation and power control schemes are required to accommodate the increasing number of cellular devices and their growing demand of data traffic  ...  In this paper, a combined resource allocation and power control scheme for D2D communication is proposed.  ...  Figure 13 depicts the D2D energy efficiency of both optimal and proposed schemes. It can be observed from the figure that in terms of energy efficiency, the proposed scheme performs near to optimal.  ... 
doi:10.1186/s13638-015-0340-3 fatcat:waiawkxl2vcnhpngq4ccxvam2e

Performance Analysis of S-SFR-based OFDMA Cellular Systems

2019 KSII Transactions on Internet and Information Systems  
The soft frequency reuse (SFR) and fractional frequency reuse (FFR) are representative and efficient management techniques for ICIC.  ...  Intercell interference coordination (ICIC) is considered as a promising technique to increase the spectral efficiency of OFDMA cellular systems.  ...  [18] studied a global energy efficiency optimization algorithm in multicell networks with multiple users, in which the convex optimization method was considered.  ... 
doi:10.3837/tiis.2019.01.011 fatcat:i65frdnesfdy7lzrgp3mcte7wy

Traditional Macro-tower to Heterogeneous Cellular Networks: A Survey

Janmoni Borah, Joyatri Bora
2017 International Journal of Advanced Science and Technology  
The paper also presents and discusses advantages and future needs of denser deployment of base stations and cells in a heterogeneous cellular network.  ...  Cellular operators are moving towards deployment of heterogeneous cellular networks (HetCNs) not just to deliver services to remote locations but also to spread out data capacity in crowded urban areas  ...  Anwar Hussain, Professor, Dept. of ECE, NERIST Deemed University, India for his valuable guidance and supports.  ... 
doi:10.14257/ijast.2017.109.02 fatcat:ydimw6yg3be63govehe5oj73um

Multiobjective optimization of fractional frequency reuse for irregular OFDMA macrocellular deployments

David González G., Mario García-Lozano, Silvia Ruiz, María A. Lema, Dongseop Lee
2015 Telecommunications Systems  
and energy consumption.  ...  With respect to important reference schemes, the proposed algorithm succeeds in finding FFR configurations achieving gains between 10% and 40% in terms of system capacity while simultaneously improving  ...  The algorithm presented herein has been designed to enhance the performance of FFR in irregular macro/micro OFDMA cellular networks, in which the performance of default FFR configurations is far from optimal  ... 
doi:10.1007/s11235-015-0060-3 fatcat:kpxrz3e7gzh47pqyzozyjyeiqm

Stochastic Geometry Analysis of Interference Coordination in NOMA-based Heterogeneous Networks [article]

Can Altay, Mutlu Koca
2018 arXiv   pre-print
However, strict FFR outperforms SFR for both measures in closed-access networks.  ...  For heterogeneous networks, NOMA is observed to achieve better spectral efficiency than OFDMA, while OFDMA provides better coverage.  ...  for OFDMA-based networks, FFR methods improve the performance of the edge users for fair spectral efficiency enhancement as shown in [9] .  ... 
arXiv:1806.07410v3 fatcat:rknqc34wajgxlk4xjwfrf4ym2y

A New Cellular-Automata-Based Fractional Frequency Reuse Scheme

Osianoh Glenn Aliu, Mahima Mehta, Muhammad Ali Imran, Abhay Karandikar, Barry Evans
2015 IEEE Transactions on Vehicular Technology  
His current research interests include physical layer modelling of wireless networks, self organisation in wireless networks and software defined networks.  ...  in 2012. He was actively involved in the EPSRC funded project: India UK Advanced Technology Centre (IU-ATC) and collaborated with researchers in UK and India.  ...  ACKNOWLEDGMENT This work was carried out under the India-UK Advanced Technology Centre of Excellence (IU-ATC) for next generation networks and funded by the department of Science and Technology (DST),  ... 
doi:10.1109/tvt.2014.2330601 fatcat:rvdwckpb6jcsrglteky3hpw4su

Appropriate Resource Allocation for Effective Mobile Communication in 4G LTE- Advanced

J. Rejina Parvin, S. Karthika
2019 Indian Journal of Science and Technology  
Applications/Improvements: Due to consideration of different reuse factor and also scheduling metric, this algorithm provides better performance for edge users in terms of Energy cell efficiency, Signal  ...  Objective: Neighboring cells become progressively worse especially for cell edge users due to Inter Cell Interference (ICI) in Orthogonal Frequency Division Multiple Access (OFDMA).  ...  The network model is considered for the research work is downlink OFDMA cellular systems. The network layout consists of 19 eNBs.  ... 
doi:10.17485/ijst/2019/v12i2/141363 fatcat:exi2fndpu5gcvdmphq6h6isu2m

Energy-Efficient Resource Assignment and Power Allocation in Heterogeneous Cloud Radio Access Networks

Mugen Peng, Kecheng Zhang, Jiamo Jiang, Jiaheng Wang, Wenbo Wang
2015 IEEE Transactions on Vehicular Technology  
Based on the RRH/HPN association constraint and the enhanced S-FFR, an energy-efficient optimization problem with the resource assignment and power allocation for the orthogonal frequency division multiple  ...  and energy efficiencies, where remote radio heads (RRHs) are mainly used to provide high data rates for users with high quality of service (QoS) requirements, while the high power node (HPN) is deployed  ...  In [13] , the distributed power allocation for multicell OFDMA networks taking both energy efficiency and inter-cell interference mitigation into account is investigated, where a bi-objective problem  ... 
doi:10.1109/tvt.2014.2379922 fatcat:amszv47s6rb4rawq54yviavc74

Interference management in OFDMA femtocell networks: issues and approaches

N. Saquib, E. Hossain, Long Bao Le, Dong In Kim
2012 IEEE wireless communications  
To this end, open challenges in designing interference management schemes for OFDMA femtocell networks are discussed.  ...  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  ...  Currently, FFR is being considered as an effective interference management scheme for OFDMA-based two-tier femtocell networks [2]. V.  ... 
doi:10.1109/mwc.2012.6231163 fatcat:belfxf774fatfbt3baee7bku7y

Interference Management Based on RT/nRT Traffic Classification for FFR-Aided Small Cell/Macrocell Heterogeneous Networks

Mostafa Zaman Chowdhury, Md. Tanvir Hossan, Yeong Min Jang
2018 IEEE Access  
Fractional frequency reuse (FFR) is an effective approach for increasing spectrum utilization and reducing interference effects in orthogonal frequency division multiple access networks.  ...  Cellular networks are constantly lagging in terms of the bandwidth needed to support the growing high data rate demands.  ...  We provide a generalized frequency allocation scheme for OFDMA based cellular networks. Hence, it is applicable for any OFDMA based cellular network.  ... 
doi:10.1109/access.2018.2844843 fatcat:xqscojjonzbhncthb4e6llk4ve

Channel Optimisation and Interference Mitiqation Techniques for Advanced Cellular Mobile Communication

V. Thrimurthulu
2017 International Journal for Research in Applied Science and Engineering Technology  
In this paper, we address the resource and power allocation problem in multiuser Orthogonal Frequency Division Multiple Access (OFDMA) networks such as LTE/LTE-A networks and dense small cell networks.  ...  of current cellular networks and wireless links.  ...  The proposed scheme is based on FFR, and it searches for the optimal dimensions of cell-center and cell-edge zones as well as the optimal frequency reuse factor.  ... 
doi:10.22214/ijraset.2017.11192 fatcat:6guvc3o35zfg3alnbp2poll564

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

Nipendra Kayastha, Dusit Niyato
2017 ECTI Transactions on Computer and Information Technology  
However, interference due to two-tier network structure introduces many challenges for successful femtocell deployment.  ...  A new and emerging technology called femtocell brings significant improvement in terms of better indoor coverage and higher data rate.  ...  In [64] , a self-optimization scheme for frequency planning in the context of OFDMA femtocells is proposed.  ... 
doi:10.37936/ecti-cit.2017112.104906 fatcat:q77dlr2y4jccti24iheteia7te

Spectrum Reuse Schemes with Power Control for Device-to-Device Communication in LTE-Advanced Cellular Network

2015 KSII Transactions on Internet and Information Systems  
Refs. [6] and Ref. [7] studied the mode selection for spectrum sharing between D2D links and cellular UEs in wireless networks.  ...  The spectral efficiency of cellular networks can be improved when proximate users engage in device-to-device (D2D) communications to communicate directly without going through a base station.  ...  Several schemes for inter-cell interference mitigation have been considered in orthogonal frequency division multiple access (OFDMA) networks, such as fractional frequency reuse (FFR) [19] and soft frequency  ... 
doi:10.3837/tiis.2015.12.005 fatcat:2ceh4givcbe7bniwqggotj4z7a
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