Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Suma Sekhar"'
Publikováno v:
Intelligent Automation & Soft Computing. 35:3187-3197
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d52ac4335d8c4bdfced0ead374711fd2
https://doi.org/10.32604/iasc.2023.028702
https://doi.org/10.32604/iasc.2023.028702
Publikováno v:
Lecture Notes in Electrical Engineering ISBN: 9789811911101
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9f489c61c172da0b610ecf9a5820512c
https://doi.org/10.1007/978-981-19-1111-8_51
https://doi.org/10.1007/978-981-19-1111-8_51
Publikováno v:
2017 International Conference on Intelligent Computing, Instrumentation and Control Technologies (ICICICT).
Frequency offset (FO) introduces severe inter-symbol and inter-carrier interferences which will degrade the performances of orthogonal frequency division multiplexing (OFDM) system more adversely. To reduce the effect of CFO, an estimation algorithm
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::901ba798cfb3059ebdd7837d6b33a2e4
https://doi.org/10.1109/icicict1.2017.8342685
https://doi.org/10.1109/icicict1.2017.8342685
Publikováno v:
2017 International Conference on Intelligent Computing, Instrumentation and Control Technologies (ICICICT).
Orthogonal Frequency Division Multiplexing (OFDM) transmission has been widely used in wireless communication due to higher spectral efficiency, robustness against multipath fading etc. The main disadvantage of OFDM system is its sensitivity to frequ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8fc355d90a66ece7260aa0f2fc014967
https://doi.org/10.1109/icicict1.2017.8342687
https://doi.org/10.1109/icicict1.2017.8342687
Autor:
Suma Sekhar, Sakuntala S. Pillai
Publikováno v:
2016 International Conference on Communication Systems and Networks (ComNet).
In this paper, the performance of different mathematical sequences used for data aided offset estimation in Multiple Input Multiple Output Orthogonal Frequency Division Multiplexing (MIMO OFDM) is analyzed. If the synchronization system uses multiple
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::76f928f7789e9870aa4b0303d0cd07cb
https://doi.org/10.1109/csn.2016.7824000
https://doi.org/10.1109/csn.2016.7824000
Publikováno v:
2016 International Conference on Communication Systems and Networks (ComNet).
Wide area network for cellular communications, are implemented by towers. The main advantage of WiMAX is that it supports movement from one place to another. However this WiMAX faces the mismatch in frequency during transmission which in turn leads t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c068e3f94e73ebb88728dc9eccbcd8a0
https://doi.org/10.1109/csn.2016.7823996
https://doi.org/10.1109/csn.2016.7823996
Publikováno v:
2016 International Conference on Communication Systems and Networks (ComNet).
Traditional Orthogonal Frequency Division Multiplexing (OFDM) system is a multi carrier transmission technique that splits data stream into a number of data subcarriers in parallel. In this method, a 4-Weighted Fractional Fourier Transform (4-WFRFT)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9b2b62dd2fd02ce4094fef913857c51f
https://doi.org/10.1109/csn.2016.7824001
https://doi.org/10.1109/csn.2016.7824001
Publikováno v:
2015 International Conference on Control, Instrumentation, Communication and Computational Technologies (ICCICCT).
In this paper, we propose an efficient preamble structure for improving the timing synchronization in Multiple Input Multiple Output (MIMO) Orthogonal Frequency Division Multiplexing (OFDM) systems. The proposed short preamble symbol consists of four
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0febb1f28d3ea2f9fd3953ea29d96464
https://doi.org/10.1109/iccicct.2015.7475254
https://doi.org/10.1109/iccicct.2015.7475254
Publikováno v:
2014 First International Conference on Computational Systems and Communications (ICCSC).
MIMO-OFDM systems have the ability to maintain high performance even in sophisticated channel conditions. But to ensure that the system remains robust to multipath channel conditions proper timing and frequency synchronization is essential. The multi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::418202e4a99a84004ae64595ed6e613e
https://doi.org/10.1109/compsc.2014.7032655
https://doi.org/10.1109/compsc.2014.7032655
Publikováno v:
2014 First International Conference on Computational Systems and Communications (ICCSC).
As the number of applications that make use of digital communication is increasing; the need of increased data rate and efficient use of the available bandwidth is also increasing. The use of Orthogonal Frequency Division Multiplexing (OFDM) techniqu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c8380920e97dba73215722fd53bce4f1
https://doi.org/10.1109/compsc.2014.7032646
https://doi.org/10.1109/compsc.2014.7032646