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Handover-Driven Interference Management for Co-Channel Deployment of Femto- and Macro-Cells

Ji-Hoon Yun
2019 Applied Sciences  
and noise ratios (SINRs) of macro- and femtocell users by up to 23.3 and 2.9 dB, respectively, on average, compared to the case of no handovers.  ...  To alleviate this problem, This paper proposes a new architecture called HandOver-driven Femtocell Interference Management (HO-FIM) that offloads macrocells by handing macrocell users over to "hybrid-access  ...  Figure 9 . 9 Probability distribution of users' achieved SINRs for (macrocell users' target SINR (dB), femtocell users' target SINR (dB)) (M = 30, F = 30).  ... 
doi:10.3390/app9173463 fatcat:4ykuhreqdnefpar4yc2yyinxqe

Optimized frequency allocation for interference mitigation in femtocellular networks

Mahmoud Ouda, Najah AbuAli, Hossam Hassanien, Osama Kubbar
2012 2012 8th International Wireless Communications and Mobile Computing Conference (IWCMC)  
The recent introduction of femtocells enabled high data rates and better coverage indoors without the need for upgrading the network infrastructure or site establishment.  ...  However, Femtocells may suffer from major interference problems due to their dense and ad hoc deployment.  ...  Due to their wireless nature, femtocell networks are subject to varying types and levels of interference [6] .  ... 
doi:10.1109/iwcmc.2012.6314311 dblp:conf/iwcmc/OudaAHK12 fatcat:32szndczlvah3aabrkhjbt2rf4

Capacity Enhancement with Joint Subchannel and Power Allocation Scheme for OFDMA Femtocell Networks

Arathy Varghese, Sudha T.
2015 International Journal of Computer Applications  
Efficient power and subchannel allocation methods are required for orthogonal frequency division multiple access (OFDMA) based femtocell networks to improve the capacity of the system.  ...  In the proposed algorithm subchannel allocation is first performed based on signal to interference plus noise ratio (SINR) of the channel with equal power distribution.  ...  distribute optimal power to every user will discard the channel due to low SINR conditions.  ... 
doi:10.5120/ijca2015905757 fatcat:fyhle7xfdzhsfkufjxo53xhcb4

Analytical Evaluation of FFR-aided Heterogeneous Cellular Networks with Optimal Double Threshold

2017 KSII Transactions on Internet and Information Systems  
Using the SINR distribution framework, average network throughput per tier is derived together with a newly proposed harmonic mean, which ensures fairness in resource allocation amongst all UEs.  ...  With tools of stochastic geometry, an analytical framework for the signal-to-interference-plus-noise-ratio (SINR) distribution is developed to evaluate the performance of all UEs in different spatial locations  ...  Authors in [26] propose a framework for analytically deriving the optimal spectrum allocation factor in macro/femto FFR network that could maximize long-term network throughput subject to some quality  ... 
doi:10.3837/tiis.2017.07.004 fatcat:42dds57kjrhthjmc767k5wsnrm

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

2016 International Journal of Science and Research (IJSR)  
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  ...  Femtocells have a strong potential for increasing the efficiency, cell coverage and network capacity of next-generation mobile networks.  ...  Also power is allocated according to SINR which is computed as a function of distance based path loss systems.  ... 
doi:10.21275/v5i6.nov164545 fatcat:74qlcw2zbbarvlcbk23ofdntba

Load balancing for D2D-based relay communications in heterogeneous network

Zhuo Chen, Hongyi Zhao, Yang Cao, Tao Jiang
2015 2015 13th International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks (WiOpt)  
In a HetNet, user could sent data to an adjacent uncongested femtocell through the D2Dbased relay communications rather than wait for the response from the congested macrocell.  ...  To increase the number of accommodated users in the cellular heterogeneous network (HetNet), we propose an energy efficient load balancing strategy for device-to-device (D2D) based relay communications  ...  PERFORMANCE EVALUATION In this section, we show the performance improvements of the spectrum resource management for the OFDMAbased heterogeneous Macrocell/Femtocell/D2D network systems subjected to the  ... 
doi:10.1109/wiopt.2015.7151028 dblp:conf/wiopt/ChenZCJ15 fatcat:glk6rn3x5ncapgtkqt26s3z3ua

Small Cell Deployments: Recent Advances and Research Challenges [article]

Zubin Bharucha, Emilio Calvanese, Jiming Chen, Xiaoli Chu, Afef Feki, Antonio De Domenico, Ana Galindo-Serrano, Weisi Guo, Raymond Kwan, Jimin Liu, David López-Pérez, Massod Maqbool, Ying Peng, Samir Perlaza (+4 others)
2012 arXiv   pre-print
This paper provides some cutting edge information on the developments of Self-Organizing Networks (SON) for small cell deployments, as well as related standardization supports on issues such as carrier  ...  about the latest advances and research challenges in small cell roll-outs and heterogeneous cellular networks.  ...  We also thank the EU FP7 IAPP@RANPLAN project for the financial support of the workshop.  ... 
arXiv:1211.0575v1 fatcat:rdclcpvupzdd7ikzrqswbhwnnm

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.  ...  Able to be installed and maintained by individual user, femtocell provides a cost effective solution to mobile operators to achieve higher network capacity.  ...  Although the power control scheme helps to mitigate the interference issues in femtocell network, it is hard for macrocell users to detect a macrocell BS in vicinity.  ... 
doi:10.37936/ecti-cit.2017112.104906 fatcat:q77dlr2y4jccti24iheteia7te

Resource allocation with interference mitigation in femtocellular networks

Najah Abu Ali, Mahmoud Ouda, Hossam Hassanein, Osama Kubbar
2012 Wireless Communications and Mobile Computing  
The introduction of femtocells enabled high data rates and better indoor coverage without the need for expanding or increasing the density of cellular networks deployment or upgrading the cellular network  ...  The proposed algorithm is modeled as a transportation problem to optimally allocate frequency subcarriers with the objective of maximizing the system capacity.  ...  N f 2-7 Number of users per femtocell j N fj 3-5 Number of macrocell users N m 10-20 Transmission power of femtocell j P j 10-30 dBm Transmission power of macrocell P m 43-46 dBm Variance  ... 
doi:10.1002/wcm.2339 fatcat:gkpeonmkbzdszix3ihk55iwxpa

Self-organized femto-to-macro interference coordination with partial information

Ana Galindo-Serrano, Lorenza Giupponi
2013 2013 IEEE 24th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC Workshops)  
We propose a distributed learning approach, based on Reinforcement Learning (RL), for environments characterized by partial information, due to the lack of communication between femtos and macros.  ...  Simulation results show that, through the proposed methodology, femtocells can autonomously learn a transmission power policy to manage the aggregated interference at macrousers.  ...  Due to their low transmission power, femtocells can be deployed far more densely than macrocells, managing a large part of the network traffic, so that the macro network can dedicate more resources to  ... 
doi:10.1109/pimrcw.2013.6707847 dblp:conf/pimrc/Galindo-SerranoG13 fatcat:xlbwvix6knh6dbfnvs4sb27jli

A fair cluster-based resource and power allocation scheme for two-tier LTE femtocell networks

Amira Bezzina, Mouna Ayari, Rami Langar, Leila Azouz Saidane
2016 2016 Global Information Infrastructure and Networking Symposium (GIIS)  
Besides, the installation of femtocells in the underlaying macrocell network gives birth to a cross-tier interference when femtocells and macrocells use the same spectrum.  ...  CONCLUSION In this paper, we proposed a new resource and power allocation scheme for dense OFDMA-based femtocell networks called Two-tier Cluster-based Resource and Power Allocation (TCRPA).  ... 
doi:10.1109/giis.2016.7814945 dblp:conf/giis/BezzinaALS16 fatcat:tjemq2ocgzdjlhaqmjvyiqb7u4

A Survey on Power Control Techniques in Femtocell Networks

Sawsan A. Saad, Mahamod Ismail, Rosdiadee Nordin
2013 Journal of Communications  
ACKNOWLEDGMENT The authors would like to thank the anonymous reviewers for their valuable feedbacks.  ...  HetNet is a collection of low power nodes distributed across a macrocell network to improve the capacity and coverage of the network.  ...  Table III represents a comparative summary of distributed power control techniques for femtocell networks. IV.  ... 
doi:10.12720/jcm.8.12.845-854 fatcat:ogxt63hvu5hfvb3dyy6k4iznem

A Survey of Self-optimization Approaches for HetNets

2015 KSII Transactions on Internet and Information Systems  
Self-optimization approaches such as dynamic mobile access network selection, spectrum resource allocation and power control for HetNets, etc., are surveyed and compared, with possible methodologies to  ...  Network convergence is regarded as the development tendency of the future wireless networks, for which self-organization paradigms provide a promising solution to alleviate the upgrading capital expenditures  ...  However, a lot of femtocell users cannot achieve their SINR target at Nash Equilibrium point due to the interference imposed by macrocell users.  ... 
doi:10.3837/tiis.2015.06.001 fatcat:cgxazc2mdjf4hmzwg5x4gn2yfa

Interference Management Techniques in Small Cells Overlaid Heterogeneous Cellular Networks

Soumya Ranjan Samal
2018 Journal of Mobile Multimedia  
Some of the emerging network technologies for this cellular evolution are the Femtocell, Picocell and Metrocell networks.  ...  Since Femtocells and Macrocells share the same frequency bands, it is necessary to develop efficient interference management techniques to increase the capacity and throughput of HCNs.  ...  allowance information to Femtocells for their initial power setting, while distributed sensing can be used to sense the number of active Femtocells per cluster by an HeNB and to adjust its initial power  ... 
doi:10.13052/jmm1550-4646.1432 fatcat:eix5h2qmwvbwpph4vpeph74aku

Interference Management in Femtocells

Talha Zahir, Kamran Arshad, Atsushi Nakata, Klaus Moessner
2013 IEEE Communications Surveys and Tutorials  
good Quality of Service (QoS) to the end user and high network capacity gains.  ...  depends on the interference faced by the femtocell network.  ...  The pilot power for HSDPA femtocell is adjusted subject to the instantaneous coverage requirements.  ... 
doi:10.1109/surv.2012.020212.00101 fatcat:d4yq23qk6rddvjhlz5xeg7czze
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