Performance analysis of full-duplex AF relaying with transceiver hardware impairments

Gustavo J. González, Fernando H. Gregorio, Juan Cousseau, Taneli Riihonen, Risto Wichman

Tutkimustuotos: Artikkeli kirjassa/konferenssijulkaisussaConference contributionScientificvertaisarvioitu

7 Sitaatiot (Scopus)

Abstrakti

We propose a joint widely-linear I/Q imbalance compensation and self-interference (SI) cancellation scheme for amplify-and-forward (AF) full-duplex (FD) relay transceivers. Furthermore, we study the bit-error rate (BER) performance of a complete two-hop link considering hardware imperfections in transceiver electronics. Especially, if the relay gain increases, the signal-to-noise ratio (SNR) at the destination becomes higher but this also increases the SI level due to the FD operation and, as a consequence, the signal-to-interference-plus-noise ratio (SINR) at the relay input decreases. To settle this trade-off, we find numerically the optimal input back-off (IBO) for the relay power amplifier (PA) maximizing the BER at the destination. The numerical results show that the optimal IBO depends on the target BER level and the PA nonlinearity. They also show that the distortion from the PA dominates the other hardware impairments at high SNR. Finally, we show that the proposed cancellation scheme can completely eliminate the I/Q imbalance, even with mixers that have low image rejection ratio.

AlkuperäiskieliEnglanti
OtsikkoEuropean Wireless Conference 2016, EW 2016
KustantajaVDE Verlag
Sivut252-256
Sivumäärä5
ISBN (elektroninen)9783800742219
TilaJulkaistu - 2016
OKM-julkaisutyyppiA4 Artikkeli konferenssijulkaisuussa
TapahtumaEuropean Wireless Conference - Oulu, Suomi
Kesto: 18 toukokuuta 201620 toukokuuta 2016
Konferenssinumero: 22

Conference

ConferenceEuropean Wireless Conference
LyhennettäEW
MaaSuomi
KaupunkiOulu
Ajanjakso18/05/201620/05/2016

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  • Siteeraa tätä

    González, G. J., Gregorio, F. H., Cousseau, J., Riihonen, T., & Wichman, R. (2016). Performance analysis of full-duplex AF relaying with transceiver hardware impairments. teoksessa European Wireless Conference 2016, EW 2016 (Sivut 252-256). VDE Verlag.