Výsledky vyhledávání - "Varahram, Pooria"

Akademický článek

A low complexity pre-distortion scheme for power amplifier linearization in wideband applications.

Autor: Varahram, Pooria¹ pooria.varahram@nuim.ie, Dooley, John², Finnerty, Keith¹, Farrell, Ronan¹

Publikováno v: International Journal of Communication Systems. May2017, Vol. 30 Issue 8, pn/a-N.PAG. 12p.

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Crest Factor Reduction Scheme in Orthogonal Frequency Division Multiplexing Systems

Autor: Kazemian, Mohsen, Jahari, Shaiful, Varahram, Pooria, Ali, Borhanuddin, Farrell, Ronan

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=intech______::508bbd1bb505a38d97ed4027aa0bacf4
http://www.intechopen.com/articles/show/title/crest-factor-reduction-scheme-in-orthogonal-frequency-division-multiplexing-systems

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A Low Complexity NARX Structure using Indirect Learning Architecture for Digital Pre-Distortion

Autor: Varahram, Pooria, Dooley, John, Wang, Ziming, Finnerty, Keith, Farrell, Ronan

In this paper, we demonstrate a nonlinear autoregressive with exogenous input (NARX) DPD technique which is more compact, less computationally intensive and less susceptible to errors caused by noise in the PA output compared to an equivalent memory

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______223::d7ef706ca903ac5605920b8c4ba56c7a
http://eprints.maynoothuniversity.ie/9030/

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Akademický článek

Peak-to-average power ratio reduction and digital predistortion effects in power amplifiers in OFDM system.

Autor: Varahram, Pooria¹ (AUTHOR) varahram@eng.upm.edu.my, Ali, Borhanuddin Mohd^1,2 (AUTHOR)

Publikováno v: International Journal of Communication Systems. Apr2012, Vol. 25 Issue 4, p543-552. 10p. 3 Diagrams, 6 Graphs.

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A low complexity pre‐distortion scheme for power amplifier linearization in wideband applications

Autor: Varahram, Pooria, Dooley, John, Finnerty, Keith, Farrell, Ronan

In this paper, a nonlinear autoregressive with exogenous inputs (NARX) digital pre‐distortion scheme to linearize power amplifiers is proposed. The proposed NARX digital pre‐distortion gives better accuracy and spectral leakage suppression compar

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______223::e77d8dc41083f22aeb89aa7bd9f5fa7c
http://mural.maynoothuniversity.ie/11527/

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Elektronická kniha

Power efficiency in broadband wireless communications / Pooria Varahram, [and others]. [electronic resource]

Externí odkaz: Kolekce e-knih KNAV Registrovani uzivatele: plny text online 5 minut, dalsi pristup na vyzadani. Registered users: full text online 5 minutes, further access on request.

Analyzing the effects of peak to average power ratio and digital predistortion in orthogonal frequency division multiplexing (OFDM) systems

Autor: Varahram Pooria, Mohd Ali Borhanuddin

Publikováno v: Scientific Research and Essays. 6:2195-2200

Dummy sequence insertion (DSI) and partial transmit sequence (PTS) are two existing distortionless peak to average power ratio (PAPR) reduction techniques that have been proposed for orthogonal frequency division multiplexing (OFDM) systems. Both DSI

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9399663db8c3f79be59121035ec854fd
https://doi.org/10.5897/sre11.420

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