Optimization of Packet Length for MIMO systems

Ghassan Alnwaimi¹, Hatem Boujemaa², Kamran Arshad³

¹King Abdulaziz University, Kingdom of Saudi Arabia

²Sup’Com, COSIM Laboratory, Tunisia

³Ajman University, United Arab Emirates

ABSTRACT

In this article, a method to enhance the throughput for Multiple Input Multiple Output (MIMO) systems by optimizing packet length is proposed. Two adaptation algorithms are proposed. In the first algorithm, we use the Average Signal to Noise Ratio (ASNR) to choose the optimal packet length and Modulation and Coding Scheme (MCS) in order to maximize the throughput. In the second algorithm, packet length and MCS are adapted with respect to the Instantaneous received SNR (ISNR). This article concludes that the variable packet length gives up to 1.8 dB gain with respect to the Fixed Packet Length (FPL).

KEYWORDS

MIMO systems, Optimal packet length, Rayleigh fading channels.

For More Details: http://aircconline.com/ijcnc/V11N1/11119cnc08.pdf

Volume Link:  http://airccse.org/journal/ijc2019.html

  

REFERENCES

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Techniques for Offloading lte Evolved Packet Core Traffic Using Open flow: A Comparative Survey & Design Reference

Kam Nasim¹ and Trevor James Hall²

¹Department of Electrical and Computer Engineering, University of Ottawa, Canada

²Professor and Canada Research Chair in Photonic Network Technology, University of Ottawa, Canada

ABSTRACT

Cellular users of today have an insatiable appetite for bandwidth and data. Data-intensive applications, such as video on demand, online gaming and video conferencing, have gained prominence. This, coupled with recent innovations in the mobile network such as LTE/4G, poses a unique challenge to network operators in how to extract the most value from their deployments while reducing their Total Cost of Operations (TCO). To this end, a number of enhancements have been proposed to the “conventional” LTE mobile network. Most of these recognize the monolithic and non-elastic nature of the mobile backend and propose complimenting core functionality with concepts borrowed from Software Defined Networking (SDN). In this paper, we will attempt to explore some existing options within the LTE standard to address traffic challenges. We then survey some SDN-enabled alternatives and comment on their merits and drawbacks.

KEYWORDS

SDN, LTE, EPC, open flow, mobile networks, deep packet inspection, network applications.

For More Details: http://aircconline.com/ijcnc/V11N1/11119cnc07.pdf

Volume Link:  http://airccse.org/journal/ijc2019.html

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Procedure of Effective Use of Cloudlets in Wireless Metropolitan Area Network Environment

Rashid Alakbarov and Oqtay Alakbarov

Institute of Information Technology, Azerbaijan National Academy of Sciences, Azerbaijan

Abstract

The article develops a method to ensure the efficient use of cloudlet resources by the mobile users. The article provides a solution to the problem of correct use of cloudlets located on the movement route of mobile users in Wireless Metropolitan Area Networks - WMAN environment. Conditions for downloading necessary applications to the appropriate cloudlet using the possible values that determine the importance and coordinates of the cloudlets were studied. The article provides a model of the mobile user's route model in metropolitan environments and suggests a method for solving the problem.

Keywords

Mobile computing clouds, cloudlet network, mobile user, route model, connection channel, metropolitan area network, virtual machine.

For More Details: http://aircconline.com/ijcnc/V11N1/11119cnc06.pdf

Volume Link:  http://airccse.org/journal/ijc2019.html

  

REFERENCES

[1]     R.M. Alguliyev, R.K. Alekperov, “Cloud Computing: Modern State, Problems and Prospects”, Telecommunications and Radio Engineering, vol.72, no.3, 2013, pp.255-266.

[2]     H. T. Dinh, C. Lee, D. Niyato, P. Wang, “A survey of mobile cloud computing: Architecture, applications, and approaches,” Wireless Communications and Mobile Computing, vol.13, no.18, 2013, pp.1587-1611.

[3]     T. Diaby, B.B. Rad, “Cloud Computing: A review of the Concepts and Deployment Models”, International Journal of Information Technology and Computer Science, vol.9, no.6, 2017, pp.50-58.

[4]     R. Alakbarov, F. Pashayev, M. Hashimov, “Development of  the Method of Dynamic Distribution of Users’ Data in Storage Devices in Cloud Technology,” Advances in Information Sciences and Service Sciences, vol.8,  no.1, 2016, pp.16-21.

[5]     O.P. Akomolafe, M.O. Abodunrin, “A Hybrid Cryptographic Model for Data Storage in Mobile Cloud Computing,” I. J. Computer Network and Information Security, no.6, 2017, pp.53-60.

[6]     Y.C. Shim, “Effects of cloudlets on interactive applications in mobile cloud computing environments,” International Journal of Advanced Computer Technology, vol.4, no.1, 2015, pp. 54-62.

[7]     M.Satyanarayanan, P.Bahl, R.Caceres, N.Davies, “The case forvm-based cloudlets in mobile computing,” Pervasive Computing, IEEE, vol.8, no.4, 2009, pp.14-23.

[8]     K. Ha, P. Pillai, W. Richter, Y. Abe, M. Satyanarayanan. “Just-in-time provisioning for cyberforaging,” in Proceeding of the 11th annual international conference on Mobile systems, applications, and services. ACM, 2013, pp.153-166.

[9]     Y.C. Shim, ”Effects of cloudlets on interactive applications in mobile cloud computing environments,” International Journal of Advanced Computer Technology, vol.4, no.1, 2015, pp.54-62.

[10]   H. Qi, A. Gani, “Research on Mobile Cloud Computing: Review, Trend and Perspectives,” İEEE 2nd International Conference on Digital Information and Communication Technology and its Applications, 2012, pp. 195-202.

[11]   Y.Li ,W. Wang, “The Unheralded Power of Cloudlet Computing in the Vicinity of  Mobile Devices,” IEEE Global Communications Conference (GLOBECOM), 2013, pp. 4959-4964.

[12]   R.K. Alekberov, F.H. Pashayev, O.R. Alekperov, “Effective Use Method of Cloudlet Resources by Mobile Users,” 11th IEEE International Conference on Application of Information and Communication Technologies. Moscow, 2017, pp. 401-403.

[13]   M.Jia, W.Liang, Z.Xu, M.Huang, “Cloudlet load balancingin wireless metropolitanarea networks,” IEEE, 10-14 April, 2016, pp. 730-738.

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[15]   R.G. Alakbarov, F.H. Fahrad, O.R. Alakbarov, “Forecasting Cloudlet Development on Mobile Computing Clouds,” I.J. Information Technology and Computer Science, no.11, 2017, pp.23-34.

[16]   D. Sarddar, R. Bose, “A Mobile Cloud Computing Architecture with Easy Resource Sharing,” International Journal of Current Engineering and Technology. vol.4, no.3, 2014, pp.1249-1254.

[17]   M. Jia, J. Cao, W. Liang, “Optimal Cloudlet Placement and User to Cloudlet Allocation in Wireless Metropolitan Area Networks,” IEEE Transactions on Cloud Computing, vol.5, no.4, 2017, pp.725-737.

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[20]   F. Liu, P. Shu, H. Jin,  L. Ding,  J. Yu, D. Niu, B. Li, “Gearing resource-poor mobile devices with power fulclouds: architectures, challenges, and applications,” IEEE Wireless Communications. vol.20, no.3, 2013, pp.14-22.

[21]   A.A. Mikryukov. R.I. Hantimirov, “The task of the initial allocation of resources in cloud computing environments based on the analytic hierarchy process,” Applied Informatics. no.8, 2015, pp.184-185.

  

[22]   Z. Xu, W. Liang, W. Xu, M. Jia, S. Guo, “Efficient Algorithms for Capacitated Cloudlet,” Placements. IEEE Transactions on Parallel and Distributed Systems, vol.27, no.10, 2016, pp. 2866-2880.

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[25]   T. Diaby, B.B. Rad. “Cloud Computing: A review of the Concepts and Deployment Models,” International Journal of Information Technology and Computer Science, vol. 9, no. 6, 2017, pp. 50-58.

[26]   G. Huerta-Canepa, D. Lee, “A virtual cloud computing provider for mobile devices,” International Journal of Advance Research, Ideas and Innovations in Technology. Vol. 3, issue3, 2017, pp. 411-414. 

[27]   D. Sarddar, R. Bose, “A Mobile Cloud Computing Architecture with Easy Resource Sharing,” International Journal of Current Engineering and Technology. vol.4, no.3, 2014, pp.1249-1254.

  

AUTHOR

Dr. Rashid Alakbarov graduated from-Automation and Computer Engineering‖ faculty of Azerbaijan Polytechnic University named after C.Ildirim. He received his PhD degree in 2006 from Supreme Attestation Commission under the President of the Republic of Azerbaijan. His primary research interests include various areas in cloud computing, data processing, computer networks, virtual computing, particularly in the area of distributed computing. He is head of department at the Institute of Information Technology as of 2002. Since 2010, he has been leading the development of "AzScience Net" infrastructure. In 2011, he was appointed a deputy director of the institute by the decision of the Presidium of Azerbaijan National Academy of Sciences. He is the author of 85 scientific papers, including 5 inventions.

Mr. Oqtay Alakbarov is PhD student of Institute of Information Technology of Azerbaijan National Academy of Sciences. His primary research interests include various areas in cloud computing, mobile cloud computing, mobile technologies, particularly in the area of cloud technology applications. He is the author of 3 journal scientific papers and 3 proceedings.

Broadband Power line Communication: The Channel And Noise Analysis For A Power line Network

Mukesh Kumar Varma, Zainual Abdin Jaffery and Ibraheem

FET, Department of Electrical Engineering, Jamia Millia Islamia, NewDelhi, India

Abstract

The scope for broadband powerline Communication is considered as a retrofit technology for wide geographical coverage wherever the human habitation exists. So during the last decade, it has drawn an enormous quantity of research work for improving communication performance and this system being standardized all over the world.  The broadband power line Communication channel modelling is essential in the design of a reliable communications system. An analysis on the proposed channel model is conducted in this paper; also the paper studied the noises in Broadband powerline Communication network and its mathematical model. The channel Transfer function and Error Performance of Proposed powerline communication System noise is evaluated with various digital modulation techniques Bit error rate (BER) and signal to noise ratio (SNR) curve by using simulation software. The results indicated that the noise analysis is effective for modelling the power line communication channel.  Also, we have presented the various studies on the channel performance based on Orthogonal frequency-division Multiplexing (OFDM) systems for an efficient design of a Broadband Powerline Communication (BPLC) system.

Keywords

Channel model, transfer function, noise modelling, Bit error ratio, orthogonal frequency-division multiplexing.

For More Details: http://aircconline.com/ijcnc/V11N1/11119cnc05.pdf

Volume Link:  http://airccse.org/journal/ijc2019.html

  

  

REFERENCES

[1]     Zimmermann M.and Klaus Dostert (2002) “A multipath model for the power line channel” IEEE Trans. On Communications, vol.50, N0.4, pp.553-559.

[2]     Manfred Zimmermann, Klaus Dostert (1999), A Multi-Path Signal Propagation Model for the Power Line Channel in the High Frequency Range, ISPLC, UK, pp. 44- 51.

[3]     H. Meng, S. Chen, Y. L. Guan, C. L. Law, P. L. So, E. Gunawan, and T. T. Lie (2004), “Modeling of transfer characteristics for the broadband power line communication channel” IEEE Transactions on Power Delivery, Vol.19, N0.3, pp.1057-1064

[4]     H. Meng, S. Chen, and Y. L. Guan, (2005) “Modeling and Analysis of Noise Effects on Broadband Power-Line Communications” IEEE Transactions on Power Delivery, Vol.20, N0.2, pp.630-637.

[5]     Zimmermann M. and Klaus Dostert (2002) “Analysis and modeling of impulsive noise in broadband power line communications” IEEE Transactions of Electro-magnetic compatibility, vol. 44, N0.1, pp.249-258.

[6]     H. Phillips, (1999),” Modeling of powerline communication channels”, in Proceedings of International Symposium on Power Line Communications and Its Applications (ISPLC 99), UK, pp.14-21.

[7]     Papadopoulos T.A., Christos G. Kaloudas, A.I. Chrysochos and Grigoris K. Papagiannis (2013),” Application of narrowband power line communication in medium voltage smart distribution grids”, IEEE Transactions on Power Delivery, vol.28 (2), pp.981-988.

[8]     Papadopoulos T.A., A.I. Chrysochos and Grigoris K. Papagiannis (2013) “Narrowband power line communication: Medium voltage cable modeling and laboratory experimental results”, ELSEVIER, Electric power systems research, 102, pp.50-60.

[9]     S. Galli, T. Banwell, (2006) “A deterministic frequency-domain model for the indoor power line transfer function”, IEEE Journal on Selected Areas in Communications 24 (7), pp.1304–1316.

[10]   P. Amirshahi, F. Canete, K. Dostert, S. Galli, M. Katayama, M. Kavehrad, (2010) “Power Line Communications: Theory and Applications for Narrowband and Broadband Communications over Power Lines,”1st Edition, Wiley.

[11]   Mukesh Kumar Varma, Zainul Abdin Jaffery and Ibraheem, (2015) “Advances of Broadband power line communication and its application”, 12’th IEEE International Conference INDICON, JMI, New Delhi, India, pp. 17-20.

[12]   Mukesh Kumar Varma, Zainul Abdin Jaffery and Ibraheem, (2018) “A comprehensive study on channel modeling of broadband communication over low voltage power line” proceeding IEEE sponsored 5’th International Conference on Signal Processing and Integrated Networks, SPIN 2018, Amity University, Noida, India, pp.22-23.

[13]   Justinian Anatory, Nelson Theethayi and Rajeev Thottappillil, (2009) “Effects of Multipath on OFDM Systems for Indoor Broadband Power-Line Communication Networks”, IEEE Transactions on power delivery, vol. 24, no.3, pp. 1190-1197.

[14]   Andrea M. Tonello, Salvatore D’Alessandro, and Lutz Lampe, (2010) “Cyclic Prefix Design and Allocation in Bit-Loaded OFDM over Power Line Communication Channels”, IEEE Transactions on Communications, vol. 58, no. 11, pp. 3265-3276.

[15]   Anatory Justinian, Nelson Theethayi and Rajeev Thottappillil (2009) “Performance of Underground Cables That Use OFDM Systems for Broadband Power-Line Communications” IEEE Trans. On Power Delivery, vol.24, N0.4, pp. 1889-1897.

[16]   Seema Arora, Vinay Kumar Chandna and Mini S. Thomas, (2012)" Performance Analysis of 16-QAM using OFDM for Transmission of Data over Power Lines " ELSEVIOR, Energy Procedia 14, pp.1723-1729.

[17]   Konark Sharma and Lalit Mohan Saini, (2015)" Performance analysis of smart metering for smart grid: An overview “ELSEVIER Journal of Renewable and Sustainable Energy Reviews 49, pp.720-735.

[18]   Philipps, H.,(1999) "Modelling of powerline communication channels” international Symposium on Power-Line Communications (ISPLC '99), Lancaster, UK, pp. 14-21.

[19]   Philipps, H., (2000) " Development of a Statistical Model for Powerline Communication Channels” in proceedings of IEEE International Symposium on Power-Line Communications and its application (ISPLCA), pp. 153-160.

[20]   Mukesh Kumar Varma, Zainul Abdin Jaffery and Ibraheem Nasiruddin (2018) “Analysis of High Performance Low Power Broadband Powerline Channel using S-Parameter” International journal of Research in Electronics and computer Engineering, IJRECE Vol. 6, Issue 3, ISSN: 2393-9028 (Print) | ISSN: 2348-2281 (Online).

Authors

 

Zainual Abdin Jaffery is professor and Head of the department in Electrical   Engineering Department at the Jamia Millia Islamia New Delhi. He received his B.Sc. (engg.), M.Sc.(engg) from AMU. Aligarh in 1987 and 1989 respectively,  and Ph.D. degree in Digital  signal processing from Jamia Millia Islamia, New Delhi in 2004. Professor Jaffery is a senior member of the IEEE society. He is reviewer for several reputed journals and conferences, he is author and co-authored of around 50 technical papers. His research  interest in Digital signal processing, Image processing, and Digital system design.

                                  

Ibraheem is senior professor at Jamia Millia Islamia, New Delhi and having about 29 years’   academic-teaching experience. Presently he is working as Full professor at Qassim University, Arabia. He received his B.Sc. M.Sc.(engg.), Ph.D. from AMU, Aligarh in 1982,1987 and 2000 respectively. He is author and co-author of about 203 research papers in reviewed journals and international conferences and published one book on recent trends on power system management. He is life members of ISTE, IEEE society. His research interests include power system operation and control. 

                                                                                                              

Mukesh Kumar Varma received his BE (Electrical Engineering) in 1993 from RDVV, Jabalpur (M.P.) and M. Tech.in 2011 from Jamia Millia Islamia, New Delhi. He is a Ph.D. student at Department of Electrical Engineering, Faculty of Engineering and Technology, Jamia Millia Islamia, New Delhi. He is currently working as Senior Lecturer with G.B. Pant Institute of Technology, under Directorate of Training and Technical Education, New Delhi. His research interests and research activity are focuses on power line communications and powerline channel modelling.