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Performance comparison of spatial modulation detectors under channel impairments


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Soujeri, Ebrahim et Kaddoum, Georges. 2015. « Performance comparison of spatial modulation detectors under channel impairments ». In IEEE International Conference on Ubiquitous Wireless Broadband (IEEE ICUWB) (Montreal, QC, Canada, Oct. 4-7, 2015) IEEE.
Compte des citations dans Scopus : 4.

Kaddoum G. 2015 10572 Performance Comparison of Spatial Modulation Detectors Under Channel Impairments.pdf

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Spatial modulation (SM) is a multiple antenna transmission approach that uses the index of the transmitting antenna for delivering information data. The choice on the transmitting antenna depends on the incoming bit sequence and has a random nature. The receiver estimates the transmitted symbol and the active transmit antenna index and uses both estimations to retrieve the original information bits. For best reception, individual channel links between transmit and receive antenna pairs must be unique. In fact, correct reception totally depends on the uniqueness of channel coefficients. Incorrectly interpreting channel state information at the receiver causes the BER performance to degrade and the detection to fall short. In this paper, we develop a channel model that incorporates both correlated and imperfect channel state information and use this model to study the bit-error-ratio (BER) performance of most widely used SM detectors, namely the minimum mean square error, the maximum likelihood and the optimum detector in flat Rayleigh fading channels to examine the sensitivity these detectors exhibit to the presence of either channel correlation or imperfect channel state information. The capacity of SM system is studied in comparison to other multiple-input multiple-output techniques and the influence of channel impairments on the overall system capacity is observed.

Type de document: Compte rendu de conférence
Kaddoum, Georges
Affiliation: Génie électrique
Date de dépôt: 15 sept. 2015 17:59
Dernière modification: 04 déc. 2015 21:52
URI: http://espace2.etsmtl.ca/id/eprint/10572

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