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Spectral Efficiency Enhancement Through Wavelet Transform Filter Bank for Future Mobile Communications
2019
VOLUME-8 ISSUE-10, AUGUST 2019, REGULAR ISSUE
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In the 5th generation of wireless communications for multiple apps, such as sports, video etc, the large transmission rate of information is the main requirement. ...
OFDM overrides all multiplexing methods in the last century because with Cyclic Prefix (CP) and enhanced Bit Error Rates (BER) the system improves intersymbolic interference (ISI). ...
The wireless multipath fading caused orthogonolty losses in carrier systems because of ISI [5] . OFDM equalization channel results in a substantial bit error rate (BER) and ISI. ...
doi:10.35940/ijitee.i1170.0789s219
fatcat:fwizh6tdivenvoarijy3rcwa4m
Analysis of Iterative Channel Algorithm for MIMO OFDM systems using Doppler Spread
2017
International Journal of Engineering Research and
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Multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) system operating in high mobility scenarios, channel estimation becomes a challenging issue, due to fast channel ...
variation and severe intercarrier interference (ICI). ...
However, for mobile applications channel time-variations in one OFDM symbol introduce intercarrier-interference (ICI) which degrades the performance. ...
doi:10.17577/ijertv6is100022
fatcat:3grlbliglrfzzhs7jgr56gbqx4
Intersymbol and Intercarrier Interference in OFDM Systems: Unified Formulation and Analysis
[article]
2024
arXiv
pre-print
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Furthermore, new theoretical expressions for the intersymbol and intercarrier interference and also for the signal-to-interference-plus-noise ratio are derived. ...
A new equivalent channel matrix that is useful for calculating both the received signal and the intersymbol and intercarrier interference power is defined and characterized. ...
ANALYSIS OF INTERFERENCE This section provides a comprehensive analysis of the interference and its power for the considered OFDM systems. ...
arXiv:2012.04527v2
fatcat:w7f6znx5avc5jnjcet5fbreswu
Intercarrier Interference in OFDM: A General Model for Transmissions in Mobile Environments with Imperfect Synchronization
2009
EURASIP Journal on Wireless Communications and Networking
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Intercarrier Interference (ICI) is an impairment well known to degrade performance of Orthogonal Frequency Division Multiplexing (OFDM) transmissions. ...
An analysis of ICI in IEEE-802.16e-type transmissions shows that during steady-state tracking and at speeds below 150 km/h, SIR due to CFO is typically in the range between 25 dB and 35 dB, SIR due to ...
Introduction Mathematical models of Intercarrier Interference (ICI) in Orthogonal Frequency Division Multiplexing (OFDM) and techniques for mitigating it have been reported by many authors. ...
doi:10.1155/2009/786040
fatcat:nk5qcimmqjeyxbi6dqdkrh62c4
OFDM transmission with single antenna interference cancellation
2008
2008 IEEE 9th Workshop on Signal Processing Advances in Wireless Communications
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In this case, system capacity is limited by interference, which is particularly crucial for mobile terminals with a single receive antenna. ...
In this paper, a single antenna interference cancellation (SAIC) algorithm is introduced for amplitude-shift keying (ASK) modulation schemes used in coded OFDM transmission which achieves high gains in ...
OFDM transmission with real-valued data symbols has been studied in [10] , and an equalizer for suppression of intercarrier interference resulting from the time variance of the mobile radio channel has ...
doi:10.1109/spawc.2008.4641598
fatcat:d6tdj7gy25ewhj5sigmsmz6aem
Performance on ICI Self-Cancellation in FFT-OFDM and DCT-OFDM System
2015
Journal of Function Spaces
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In orthogonal frequency division multiplexing (OFDM) system, the existence of frequency offset in AWGN channel affects the orthogonality among the subcarriers and consequently introduces the intercarrier ...
The proposed method for group size three results in a significant 20 dB improved CIR in FFT-OFDM. ...
Special thanks are due to the editor, Professor Syed Abdul Mohiuddine, for his efforts to send the reports of the paper timely. ...
doi:10.1155/2015/854753
fatcat:exfk27bjojcbneoth4zscdirnu
Statistical Analysis Approach to Reduce Inter Channel Interference by using Kalaman Filter in term of BER & SNR
2019
Zenodo
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Abstract— Many wireless networks have adapted the same communication approach. The OFDM communication is very much inspired from the channel frequencies over the network. ...
In such a network some kind of orthogonal distortion occurs over the channel called Inter Carrier Interference. ...
Intercarrier interference (ICI), which results from the frequency offset, degrades the performance of the OFDM system. One method is explored in this project for mitigation of the ICI i.e. ...
doi:10.5281/zenodo.2590892
fatcat:ldqy3di3m5aphmznnwtjpferiy
Doppler Shift Compensation Schemes in VANETs
2015
Mobile Information Systems
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In ITS the focus is placed on integration of communication between mobile and fixed infrastructure to execute road safety as well as nonsafety information dissemination. ...
A lot of vehicular ad hoc network (VANET) research has focused on specific areas including channel multiplexing, antenna diversity, and Doppler shift compensation schemes in an attempt to optimize BER ...
Interference Cancellation-Based Schemes. In OFDM systems, low levels of intercarrier interference (ICI) can be eliminated by prefixing each OFDM symbol by a cyclic prefix (CP) [22] . ...
doi:10.1155/2015/438159
fatcat:6yo4rpcuuberfdmjk6a47auzve
ICI Cancellation using Self Cancellation Method
2016
IJARCCE
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However OFDM has its sensitivity against carrier frequency offset which causes Inter Carrier Interference (ICI). ...
OFDM (Orthogonal Frequency Division Multiplexing) is an efficient method of communication to achieve high speed data rates in mobile environment since it supports multicarrier modulation and has feature ...
By analysing above lines we can come to conclusion that OFDM is best suited for Wireless Mobile Communication
III. ...
doi:10.17148/ijarcce.2016.512103
fatcat:vim6b4vh2jazzopvfclph5gqcy
Statistical Analysis Approach to Reduce Inter Channel Interference by using Kalaman Filter in term of BER & SNR
2019
Zenodo
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Abstract— Many wireless networks have adapted the same communication approach. The OFDM communication is very much inspired from the channel frequencies over the network. ...
In such a network some kind of orthogonal distortion occurs over the channel called Inter Carrier Interference. ...
Intercarrier interference (ICI), which results from the frequency offset, degrades the performance of the OFDM system. One method is explored in this project for mitigation of the ICI i.e. ...
doi:10.5281/zenodo.2590891
fatcat:zh2d3623drh4zi5aqkcb4bhe7m
A Comprehensive Review on Channel Estimation Techniques in MIMO-OFDM
2019
INTERNATIONAL JOURNAL ONLINE OF SCIENCE
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In wireless communication, more than one signals are transmitted in the channel by using the concept of Orthogonal frequency division multiplexing (OFDM) which efficiently handles the inter symbol interference ...
In this paper, a brief review is presented for channel estimation techniques for MIMO-OFDM. ...
From this research work it is concluded that mismatch in carrier frequency can result in intercarrier interference (ICI). ...
doi:10.24113/ijoscience.v5i5.204
fatcat:r5245jn5yvfvnhwkxnkp76do4u
Theoretical Analysis and Performance Comparison of OFDM and GFDM Signals for 5G Cellular Networks: A Review
2019
JOURNAL OF MECHANICS OF CONTINUA AND MATHEMATICAL SCIENCES
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The mobile networks in 5G must deliver high data rates with less latency. ...
This paper presents the review of theoretical and comparative analysis between Orthogonal frequency division multiplexing (OFDM) and Generalised frequency division multiplexing (GFDM) waveforms for 5G ...
"Training Based Channel Estimation for Multitaper GFDM System." Mobile Information Systems, 2017. AnastasiosDrosopoulos. "PAPR analysis of wavelet based multitaper GFDM system." ...
doi:10.26782/jmcms.2019.04.00033
fatcat:f6teod5ckjajxm3iqh3ea45hpa
Underwater Communications and Networking
2012
Journal of Electrical and Computer Engineering
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The authors in "Information-theoretic analysis of underwater acoustic OFDM systems in highly dispersive channels" quantitatively analyze the interplay between interference, namely ISI and intercarrier ...
In "Performance comparison of Doppler scale estimation methods for underwater acoustic OFDM", the authors compared several Doppler scale estimation methods for zero-padded OFDM systems using a cyclic-prefixed ...
The authors in "Information-theoretic analysis of underwater acoustic OFDM systems in highly dispersive channels" quantitatively analyze the interplay between interference, namely ISI and intercarrier ...
doi:10.1155/2012/214012
fatcat:f3vcfecicjdldij5cg4dcsstbm
Efficient Intercarrier Interference Mitigation for Pilot-Aided Channel Estimation in OFDM Mobile Systems
2011
2011 IEEE 73rd Vehicular Technology Conference (VTC Spring)
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However, the timevariance of the mobile radio channel induces intercarrier interference (ICI) yielding substantial channel estimation errors and thereby tremendous transmission impairments. ...
Motivated by the possibility of decreasing the intersymbol interference (ISI) which is due to large delays of a multipath mobile radio channel, orthogonal frequency division multiplexing (OFDM) became ...
CONCLUSIONS This contribution deals with new algorithms for the ICI mitigation in OFDM systems with high mobility. ...
doi:10.1109/vetecs.2011.5956492
dblp:conf/vtc/GrohDG11
fatcat:54whqgc3hvc3nb57jgav4xwj7e
An oversampled filter bank multicarrier system for Cognitive Radio
2008
2008 IEEE 19th International Symposium on Personal, Indoor and Mobile Radio Communications
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The increased spacing between adjacent subcarriers in the oversampled filter bank multicarrier system largely reduce the intercarrier interference, the key limitation of the OFDM based Cognitive Radio. ...
In this paper, we propose an oversampled filter bank multicarrier system for Cognitive Radio. ...
The BER performance of the OSFB is a little better than the OFDM due to its less intercarrier interference. Figure 7 shows the transmitted spectrum for both systems. ...
doi:10.1109/pimrc.2008.4699865
dblp:conf/pimrc/ZhangKS08
fatcat:5tuu4oh43jb7zczk2xyhchwcwq
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