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    Pilot power optimization for AF relaying using maximum likelihood channel estimation

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    Type
    Conference Paper
    Authors
    Wang, Kezhi
    Chen, Yunfei
    Alouini, Mohamed-Slim cc
    Xu, Feng
    KAUST Department
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Electrical Engineering Program
    Communication Theory Lab
    Date
    2014-09
    Permanent link to this record
    http://hdl.handle.net/10754/564992
    
    Metadata
    Show full item record
    Abstract
    Bit error rates (BERs) for amplify-and-forward (AF) relaying systems with two different pilot-symbol-aided channel estimation methods, disintegrated channel estimation (DCE) and cascaded channel estimation (CCE), are derived in Rayleigh fading channels. Based on these BERs, the pilot powers at the source and at the relay are optimized when their total transmitting powers are fixed. Numerical results show that the optimized system has a better performance than other conventional nonoptimized allocation systems. They also show that the optimal pilot power in variable gain is nearly the same as that in fixed gain for similar system settings. andcopy; 2014 IEEE.
    Citation
    Wang, K., Chen, Y., Alouini, M.-S., & Xu, F. (2014). Pilot Power Optimization for AF Relaying Using Maximum Likelihood Channel Estimation. 2014 IEEE 80th Vehicular Technology Conference (VTC2014-Fall). doi:10.1109/vtcfall.2014.6966131
    Publisher
    Institute of Electrical and Electronics Engineers (IEEE)
    Journal
    2014 IEEE 80th Vehicular Technology Conference (VTC2014-Fall)
    Conference/Event name
    80th IEEE Vehicular Technology Conference, VTC 2014-Fall
    ISBN
    9781479944491; 9781479944491
    DOI
    10.1109/VTCFall.2014.6966131
    ae974a485f413a2113503eed53cd6c53
    10.1109/VTCFall.2014.6966131
    Scopus Count
    Collections
    Conference Papers; Electrical Engineering Program; Communication Theory Lab; Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division

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