Zobrazeno 1 - 10
of 67
pro vyhledávání: '"Pooria Varahram"'
Publikováno v:
The Journal of Engineering (2016)
Externí odkaz:
https://doaj.org/article/9152dee239214474ac8b0192d75bb1d6
Autor:
Somayeh Mohammady, Pooria Varahram
Publikováno v:
2022 IEEE International RF and Microwave Conference (RFM).
Publikováno v:
2022 IEEE International RF and Microwave Conference (RFM).
A Novel Robust Technique to compensate I/Q imperfections In Quadrature Modulator using LMS Algorithm
Publikováno v:
2021 International Conference on Electrical, Computer, Communications and Mechatronics Engineering (ICECCME).
In the modern era, the increasing demand for high data rate transmission enquires for wireless communication devices with large spectral bandwidth. Large spectral bandwidth increases the level of fault in the transmitter block. Quadrature modulator i
Publikováno v:
WD
Peak to Average Power Ratio (PAPR) reduction techniques also known as Crest Factor Reduction (CFR) techniques have been very useful approaches for many signals such as Orthogonal Frequency Division Multiplexing (OFDM) based signals such as used in Lo
Publikováno v:
Advanced Microwave and Millimeter Wave Technologies Semiconductor Devices Circuits and Systems
Spectrally efficient linear modulation techniques are used in the third generation systems and their performance is strongly dependent on the linearity of the transmission system, Also, the efficiency of the amplifier to be used has to be maximized,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::48f418014fbfae1f07ef0158b49f186b
http://www.intechopen.com/articles/show/title/demonstration-of-a-power-amplifier-linearization-based-on-digital-predistortion-in-mobile-wimax-appl
http://www.intechopen.com/articles/show/title/demonstration-of-a-power-amplifier-linearization-based-on-digital-predistortion-in-mobile-wimax-appl
Publikováno v:
Telecommunication Systems. 67:21-30
Because of its lack of feedback process and the simplicity of its searching algorithm, conventional selected mapping (CSLM) is an efficient peak-to-average power ratio (PAPR) reduction technique in orthogonal frequency division multiplexing systems c
Publikováno v:
Wireless Personal Communications. 95:4763-4788
This paper presents a novel low complexity technique for reducing the peak-to-average power ratio (PAPR) in orthogonal frequency division multiplexing systems followed by an efficient hardware co-simulation implementation of this technique by using a
Autor:
Pooria Varahram, Somayeh Mohammady
Publikováno v:
Multiplexing
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b59d73b36c15cf1426956fef5befd7f1
http://www.intechopen.com/articles/show/title/introductory-chapter-multiplexing-history-how-it-applies-to-current-technologies
http://www.intechopen.com/articles/show/title/introductory-chapter-multiplexing-history-how-it-applies-to-current-technologies
Subblocks interleaving PTS technique with minimum processing time for PAPR reduction in OFDM systems
Autor:
Pooria Varahram, Ronan Farrell, Khalid Al-Hussaini, Shaiful Jahari Hashim, Borhanuddin Mohd Ali
Publikováno v:
The Journal of Engineering (2016)
This study presents subblocks interleaving partial transmit sequence (SBI-PTS) technique having low complexity for reducing the peak-to-average power ratio in orthogonal frequency division multiplexing systems. In this technique, a new subblocks inte