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Performance Model for Orthogonal Sub Channel in Noise-Limited Environment
2010
2010 6th International Conference on Wireless and Mobile Communications
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Based on the post-processing and analysis of the performance data as a function of the OSC penetration, a generic model to estimate the effect of OSC on the GSM capacity gain was developed. ...
In addition, a set of test cases was carried out in a GSM network in order to evaluate the radio performance of OSC in terms of the carrier per noise level. ...
in the estimation of the OSC performance based on the quality measurements of the GSM network before the OSC is activated. ...
doi:10.1109/icwmc.2010.75
fatcat:35zml3l5jbdbtnbh2x45e44bcm
Throughput in cooperative wireless networks
2020
Bulletin of Electrical Engineering and Informatics
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In cognitive networks, users must make intelligent decisions based on spectrum variation and actions taken by other users. ...
The analysis is carried out based on throughput, depending on the class of service and the type of traffic. ...
In methods based in AHP, judgment matrices are needed to carry out comparative assessments that determine the level of relative importance of each combined pair of criteria, sub-criteria and alternatives ...
doi:10.11591/eei.v9i2.2025
fatcat:qmtiigpeabdrpnpjexci27udji
Analysis and assessment software for multi-user collaborative cognitive radio networks
2022
International Journal of Power Electronics and Drive Systems (IJPEDS)
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The simulation tools used in cognitive radio networks (CRN) are undergoing an active process. ...
Performance metrics include bandwidth, throughput level, number of failed handoffs, number of total handoffs, number of handoffs with interference, number of anticipated handoffs and number of perfect ...
ACKNOWLEDGMENTS The authors would like to thank the Center for Research and Scientific Development of Universidad Distrital Francisco José de Caldas and Minciencias for supporting in this investigative ...
doi:10.11591/ijece.v12i4.pp4507-4520
fatcat:rvdhkswrjbdddl4z7cubxyav2a
The Evolution of Base Station Antennas for Mobile Communications
2007
2007 International Conference on Electromagnetics in Advanced Applications
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In the first part the fundamental parameters of a base station antenna are discussed in the context of radio network design. ...
This paper gives a general overview of the design of base station antennas for mobile communications. ...
However, in mobile telephony the capacity of each cell is limited by interference from the adjacent cells. ...
doi:10.1109/iceaa.2007.4387244
fatcat:3hv5le5555bkbmiavf3iyn6syu
UMTS radio network evaluation and optimization beyond snapshots
2005
Mathematical Methods of Operations Research
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In contrast to second generation GSM networks, interference plays a paramount role in the design of third generation radio networks. ...
A recent compact characterization of a radio network through a linear equation system allows to assess cell load and interference. ...
In order to obtain an estimation of the network load based on the analysis of only one equation system, we derive the coupling matrices and the downlink traffic noise power vector on the basis of average ...
doi:10.1007/s00186-005-0002-z
fatcat:lql5dsy66rhgffk273cdxhtace
Spectrum Sensing and Signal Identification with Deep Learning based on Spectral Correlation Function
[article]
2021
arXiv
pre-print
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Finally, the measurement-based dataset which is utilized to validate the method is shared for the purposes of reproduction of the results and further research and development. ...
Implementation of the method on the measured overthe-air real-world signals in cellular bands indicates important performance gains when compared to the signal classifying deep learning networks available ...
The analysis based on t-SNE results show that SCF better separates signal vectors in space. The results of this study are in line with the previous analysis [27] .
B. ...
arXiv:2003.08359v4
fatcat:twarraxdyzdwzdw63qgvy3dxga
ACO vs EAs for solving a real-world frequency assignment problem in GSM networks
2007
Proceedings of the 9th annual conference on Genetic and evolutionary computation - GECCO '07
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In this work we present a new mathematical formulation of the problem in which the frequency plans are evaluated by using accurate interference information coming from a real GSM network. ...
Frequency planning is a very important task for current GSM operators. ...
The more accurate the measure of the interference in a given GSM network, the higher the quality of the frequency plan that can be computed for this network. ...
doi:10.1145/1276958.1276972
dblp:conf/gecco/LunaBAN07
fatcat:2zduvgktazbufba7qhb3uungym
Towards 5th generation cellular mobile networks
2014
Australian Journal of Telecommunications and the Digital Economy
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We review the evolution of international standards for cellular mobile networks in the last two decades, describe how the network layout has been migrating from rigid cellular architecture to random and ...
In this article, we show the path of the evolution in both standards and techniques, and provide our vision for the future of the cellular networks. ...
Pilot contamination results in corruption of precoding matrices used by base stations and causes significant intercell interference. ...
doi:10.7790/ajtde.v2n2.34
fatcat:43ixpaqptzdybafodcglgnakwq
Multivariable algorithm for dynamic channel selection in cognitive radio networks
2015
EURASIP Journal on Wireless Communications and Networking
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The spectral handoff is important in cognitive wireless networks to ensure an adequate quality of service and performance for secondary user communications. ...
This band represents more disputes in accessing spectral opportunities than other radio frequency (RF) bands because of the high demand for mobile phone communications. ...
Acknowledgements This work has been partially funded by the Center for Research and Scientific Development of the District University "Francisco José de Caldas", (Bogota, Colombia).
Author details ...
doi:10.1186/s13638-015-0445-8
fatcat:ltp22puf2vhuphwhi2vdyo5o7i
Reliable broadband wireless communication for high speed trains using baseband cloud
2012
EURASIP Journal on Wireless Communications and Networking
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at compensating the inter-carrier interference (ICI) caused by severe Doppler frequency shift due to mobility. ...
Numerical analysis shows that the new architecture and corresponding algorithms are suitable for high-speed train communication and can provide a continuous data rate of more than 100 megabits per second ...
Acknowledgements The authors would like to acknowledge the contributions of our colleague Dr. ...
doi:10.1186/1687-1499-2012-285
fatcat:2xvqqryayvahrczpnhgigiigeu
Guest Editorial Special Issue on "THz Communications and Networking"
2021
IEEE Journal on Selected Areas in Communications
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From 1999 to 2002, she was with Nortel Networks, Ottawa, ON, Canada, and worked on the base transceiver design of the third-generation (3G) mobile communication systems. ...
A mathematical model based on measured data is offered to investigate THz band channel properties in vehicular scenarios. ...
doi:10.1109/jsac.2021.3071914
fatcat:ly6hsf4ui5b33fnfcadvitxi2a
Location Estimation via Support Vector Regression
2007
IEEE Transactions on Mobile Computing
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Location estimation using the Global System for Mobile communication (GSM) is an emerging application that infers the location of the mobile receiver from multiple signals measurements. ...
The proposed support vector regression approach shows promising performances, especially in terrains with local variations in environmental factors. ...
The density of buildings together with the narrowness of streets create a lot of occlusion and reflection that interfere with the measurement of the GSM power levels. ...
doi:10.1109/tmc.2007.42
fatcat:cvjfw5ckkfernne3pxozormire
Optimal zonal wavelet-based ECG data compression for a mobile telecardiology system
2000
IEEE Transactions on Information Technology in Biomedicine
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The hybrid implementation issues of this wavelet method with a GSM-based mobile telecardiology system are also introduced. ...
The performance of the mobile system with compressed ECG data segments selected from the MIT-BIH arrhythmia data base is evaluated in terms of bit rrror rate (BER), percent rms difference (PRD), and visual ...
In this study, seven wavelet matrices of 128 128 in size each were selected for best performance analysis. ...
doi:10.1109/4233.870030
pmid:11026590
fatcat:4s2aei5zofgydikgnywxzud6v4
Discussion on: "Development and Experimental Verification of a Mobile Client-Centric Networked Controlled System"
2005
European Journal of Control
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As explained in the paper, GSPR transmissions have a lower priority than GSM-based voice calls. ...
Although this approach simplifies analysis, it does not consider the effects of the controller on the network. ...
The GPRS (over GSM)-based NCS used in Ref. ...
doi:10.1016/s0947-3580(05)71059-1
fatcat:zcxk5z3ymncdtoxg5joez4d6n4
Cell Oscillation Resolution in Mobility Profile Building
[article]
2013
arXiv
pre-print
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Mobility profile building became extensively examined area in Location based services (LBS) through extraction of significant locations. ...
Mobility traces are recorded under three reference positioning systems that are Satellite based i.e. GPS, Network based i.e. GSM and Local positioning i.e. WLAN, RFID, IrDA. ...
Later this information can be used for inferring similar users based on their mobility profile similarity measure. ...
arXiv:1206.5795v4
fatcat:kncupbtusrhmtin4btbpyeayuy
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