Citation Count – 12
A Vertical Handover Decision Approaches in Next Generation Wireless Networks: A Survey
Harsha A. Bhute1 , Dr. P.P Karde2 , Dr. V.M. Thakare3
1 Department of Computer Engineering, Sinhgad College of Engineering, Pune, India
2 Department of Information Technology, Government Polytechnic, Professor, Amravati, India
3 Professor & Head, Department of Computer Science, SGBAU, Amravati University, Amravati, India
Abstract
In next generation wireless network the most desirable feature is its ability to move seamlessly over various access network regardless of the network infrastructure is used. The handover between these dissimilar networks can be explored by using vertical handover algorithms. This paper focuses on the vertical handover decision methods and algorithms effectiveness. Most of the algorithms which are based on RSS values provide vertical handover with small delay at a lower rate of throughput. There are such algorithms which provide significant improvements in throughput but at a cost of higher delays. As per the need for the real time applications in next generation wireless networks there is a requirement of developing new optimized algorithms that are able to produce high throughput and minimizing signaling cost and delay.
Keywords
Vertical handover, QoS, mobile networks, next generation wireless networks.
For More Details: https://wireilla.com/papers/ijmnct/V4N2/4214ijmnct04.pdf
Volume Link: https://wireilla.com/ijmnct/vol4.html
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Citation Count –09
Security Attacks Taxonomy on Bring Your Own Devices (BYOD) Model
Manmeet Mahinderjit Singh, Soh Sin Siang, Oh Ying San, Nurul Hashimah Ahamed Hassain Malim and Azizul Rahman Mohd Shariff,
Universiti Sains Malaysia, Malaysia
Abstract
Internet banking has the potential to provide fast and reliable services to customers for which they are relatively happy. Due to the technological changes taking place all over the world, many institutions, including the banking sector have taken giant steps to move in tandem with these changes. In this light most banks, with GCB Bank, Ghana, not being an exception have introduced electronic banking in order to decongest the banking halls of customers who spend time unending in order to transact business. The purpose of this research was to assess the Contribution of Electronic Banking to Customer Satisfaction at GCB Bank-Koforidua, to this end some objectives were set for the study. These were: To assess the availability of electronic banking facilities at GCB Bank, Koforidua. To assess the knowledge and patronage of internet banking services by customers, to examine the effectiveness of the usage of electronic banking facilities, to examine the problem facing an internet banking in GCB Bank, Koforidua. This is a quantitative study that employed the use of questionnaires as the main tools for data collection. Data was collected from management, staff and customers of GCB Bank, Koforidua Branch. Findings from analysis of data revealed that though there was the existence of internet banking facilities of the bank, respondents of the study were not fully aware of the existence of such facilities. It was also found that the use of internet banking was quite expensive and that though the bank was utilizing the facility, customers were not fully patronizing them. It was concluded that internet banking brings efficiency in the operations of the bank. Finally, the study recommended that all branches of GCB Bank adopt internet banking facilities to help in effective banking operations and transactional purposes. To maximize the operations and potential of the bank management must endeavor to educate the customers about the existence of internet banking facilities since a few customers were aware of the existence of such facilities.
Keywords
Bring Your Own Device (BYOD) model; Advanced Persistent Threat (APT) attack, Malware; Smartphone; Security
For More Details: https://wireilla.com/papers/ijmnct/V4N5/4514ijmnct01.pdf
Volume Link: https://wireilla.com/ijmnct/vol4.html
References
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Citation Count – 09
Performance Comparison Of Two Clipping Based Filtering Methods For Papr Reduction In Ofdm Signal
Md. Munjure Mowla1 , Md. Yeakub Ali2 and Rifat Ahmmed Aoni3
1,2 Department of Electronics & Telecommunication Engineering, Rajshahi University of Engineering & Technology, Rajshahi – 6204, Bangladesh
3Department of Electrical Engineering, University of Malaya, Kuala Lumpur -50603, Malaysia
Abstract
The growth of wireless communication technologies has been producing the intense demand for high-speed, efficient, reliable voice & data communication. As a result, third generation partnership project (3GPP) has implemented next generation wireless communication technology long term evolution (LTE) which is designed to increase the capacity and speed of existing mobile telephone & data networks. LTE has adopted a multicarrier transmission technique known as orthogonal frequency division multiplexing (OFDM). OFDM meets the LTE requirement for spectrum flexibility and enables cost-efficient solutions for very wide carriers. One major generic problem of OFDM technique is high peak to average power ratio (PAPR) which is defined as the ratio of the peak power to the average power of the OFDM signal. A trade-off is necessary for reducing PAPR with increasing bit error rate (BER), computational complexity or data rate loss etc. In this paper, two clipping based filtering methods have been implemented & also analyzed their modulation effects on reducing PAPR.
Keywords
Bit Error rate (BER), Complementary Cumulative Distribution Function (CCDF), Long Term Evolution (LTE), Orthogonal Frequency Division Multiplexing (OFDM) and Peak to Average Power Ratio (PAPR)
For More Details: https://wireilla.com/papers/ijmnct/V4N1/4114ijmnct03.pdf
Volume Link: https://wireilla.com/ijmnct/vol4.html
References
[1] R. Prasad, OFDM for Wireless Communications Systems. London, Boston: Artech House, Inc, 2004.
[2] S. H. Han and J. H. Lee, “An overview of peak-to-average power ratio reduction techniques for multicarrier transmission”, IEEE Wireless Comm, vol. 12, no.2, pp.56-65, Apr. 2005.
[3] Md. Munjure Mowla, “Peak to average power ratio analysis and simulation in LTE system”, M.Sc dissertation, Department of Electrical & Electronic Engineering, Rajshahi University of Engineering & Technology, Bangladesh, 2013.
[4] Muhammad Atif Gulzar , Rashid Nawaz and Devendra Thapa, “Implementation of MIMO-OFDM System for WiMAX”, M.Sc Dissertation, Department of Electrical Engineering, Linnaeus University, Sweden, 2011.
[5] Natalia Revuelto, “PAPR reduction in OFDM systems”, M.Sc Dissertation, Universitat Politecnica de Catalunya, Spain, 2008.
[6] Y.S. Cho, J. Kim, W.Y.Yang and C.G. Kang, MIMO OFDM Wireless Communications with MATLAB, Singapore: John Wiley & Sons (Asia) Pte Ltd, 2010.
[7] M.M.Mowla and S.M.M. Hasan, “Performance improvement of PAPR reduction for OFDM signal in LTE system”, International Journal of Wireless & Mobile Networks (IJWMN), Volume 5, Number 4, August 2013 (ISSN: 0975-3834).
Citation Count – 09
A Review Paper On: The Papr Analysis Of Orthogonal Frequency Division Multiplexing (Ofdm)
MOHSIN KHAN1, SAMIMA IQBAL2 and WASEEM ASGHAR3
1 Department of Computer Science, Lahore Garrison University, Lahore
2, 3 Computing & Technology Department, IQRA University Islamabad Campus
Abstract
OFDM (Orthogonal Frequency Division Multiplexing) has been raised a new modulation technique. Due to its advantages in multipath fading channel e.g. robust against ISI, ICI and some other advantages like best QoS for multiple users, efficient usage of bandwidth it is suggested to be the modulation technique for next generation 4G networks e.g. LTE. But along with all its advantages there are some disadvantages also e.g. High PAPR (Peak to Average Power Ratio) at the transmitter end and BER (Bit Error Rate) at the receiving end. Since OFDM is only used in the downlink of 4G networks. To reduce the problems of OFDM some techniques e.g. SLM, PTS, Clipping, Coding, & Pre-coding etc are suggested but none of them is reduce the PAPR and BER to an acceptable value. This Paper will discuss some techniques of PAPR & BER reduction, and their advantages and disadvantages in detail.
Keywords
PAPR, OFDM, SLM, DHT, DCT
For More Details: https://wireilla.com/papers/ijmnct/V4N1/4114ijmnct01.pdf
Volume Link: https://wireilla.com/ijmnct/vol4.html
References
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Citation Count – 08
Performance Analysis On The Basis Of A Comparative Study Between Multipath Rayleigh Fading And Awgn Channel In The Presence Of Various Interference
Sutanu Ghosh
Dr. Sudhir Chandra Sur Degree Engineering College
Abstract
Interference is the most important issue for present wireless communication. There are various kinds of channel used in wireless communication. Here I want to show a performance analysis on the basis of two different channels – AWGN and Multipath Rayleigh fading channel. This is the comparative analysis with different kinds of modulation techniques. Here I have also measured the Bit Error Rate with respect to different modulation techniques and compare the rate in different channels. My objective is to compare the different characteristics of the transmitter and receiver for different types of channels and modulators.
Keywords
Rayleigh fading channel, Bit Error Rate, AWGN, Cellular Interference.
For More Details: http://wireilla.com/papers/ijmnct/V4N1/4114ijmnct02.pdf
Volume Link: https://wireilla.com/ijmnct/vol4.html
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International journal of Mobile Network Communications & Telematics ( IJMNCT) 