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    Performance analysis of AF cooperative systems with HPA nonlinearity in semi-blind relays

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    Type
    Conference Paper
    Authors
    Qi, Jian
    Aïssa, Sonia
    Alouini, Mohamed-Slim cc
    KAUST Department
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Electrical Engineering Program
    Communication Theory Lab
    Date
    2012-12
    Permanent link to this record
    http://hdl.handle.net/10754/564641
    
    Metadata
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    Abstract
    In this paper, dual-hop amplify-and-forward (AF) cooperative systems in the presence of high-power amplifier (HPA) nonlinearity at semi-blind relays, are investigated. Based on the modified AF cooperative system model taking into account the HPA nonlinearity, the expression for the output signal-to-noise ratio (SNR) at the destination node is derived, where the interference due to both the AF relaying mechanism and the HPA nonlinearity is characterized. The performance of the AF cooperative system under study is evaluated in terms of average symbol error probability (SEP), which is derived using the moment-generating function (MGF) approach, considering transmissions over Nakagami-m fading channels. Numerical results are provided and show the effects of some system parameters, such as the HPA parameters, numbers of relays, quadrature amplitude modulation (QAM) order, Nakagami parameters, on performance. © 2012 IEEE.
    Citation
    Qi, J., Aissa, S., & Alouini, M.-S. (2012). Performance analysis of AF cooperative systems with HPA nonlinearity in semi-blind relays. 2012 IEEE Global Communications Conference (GLOBECOM). doi:10.1109/glocom.2012.6503773
    Publisher
    Institute of Electrical and Electronics Engineers (IEEE)
    Journal
    2012 IEEE Global Communications Conference (GLOBECOM)
    Conference/Event name
    2012 IEEE Global Communications Conference, GLOBECOM 2012
    ISBN
    9781467309219
    DOI
    10.1109/GLOCOM.2012.6503773
    ae974a485f413a2113503eed53cd6c53
    10.1109/GLOCOM.2012.6503773
    Scopus Count
    Collections
    Conference Papers; Electrical Engineering Program; Communication Theory Lab; Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division

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