Qi, J., Aissa, S. and Alouini, M.-S. (2015) Two-way CSI-assisted AF relaying with HPA nonlinearity. In: 2015 IEEE International Conference on Communications (ICC). IEEE, pp. 1643-1648. ISBN 9781467364324 doi: https://doi.org/10.1109/ICC.2015.7248560

Qi, J., Aissa, S. and Alouini, M.-S. (2014) Dual-hop amplify-and-forward cooperative relaying in the presence of Tx and Rx in-phase and quadrature-phase imbalance. IET Communications, 8 (3). pp. 287-298. ISSN 1751-8628 doi: https://doi.org/10.1049/iet-com.2013.0287

Qi, J. and Aïssa, S. (2013) Mobile-to-mobile MIMO transmit-receive diversity systems: analysis and performance in three-dimensional double-correlated channels. Wireless Communications and Mobile Computing, 13 (18). pp. 1621-1634. ISSN 1530-8669 doi: https://doi.org/10.1002/wcm.1207

Qi, J., Aissa, S. and Alouini, M.-S. (2013) Impact of I/Q imbalance on the performance of two-way CSI-assisted AF relaying. In: 2013 IEEE Wireless Communications and Networking Conference (WCNC). IEEE, pp. 2507-2512. ISBN 9781467359382 doi: https://doi.org/10.1109/WCNC.2013.6554955

Qi, J., Aissa, S. and Alouini, M.-S. (2013) Multi-hop amplify-and-forward relaying cooperation in the presence of I/Q imbalance. In: 2013 IEEE International Conference on Communications (ICC). IEEE, pp. 4978-4982. ISBN 9781467331227 doi: https://doi.org/10.1109/ICC.2013.6655368

Qi, J., Aissa, S. and Alouini, M.-S. (2012) Performance analysis of AF cooperative systems with HPA nonlinearity in semi-blind relays. In: 2012 IEEE Global Communications Conference (GLOBECOM). IEEE, pp. 4182-4186. ISBN 9781467309202 doi: https://doi.org/10.1109/GLOCOM.2012.6503773

Qi, J., Aissa, S. and Alouini, M.-S. (2012) Analysis and compensation of I/Q imbalance in amplify-and-forward cooperative systems. In: 2012 IEEE Wireless Communications and Networking Conference (WCNC). IEEE, pp. 215-220. ISBN 9781467304368 doi: https://doi.org/10.1109/WCNC.2012.6214150

Qi, J. and Aissa, S. (2012) On the power amplifier nonlinearity in MIMO transmit beamforming systems. IEEE Transactions on Communications, 60 (3). pp. 876-887. ISSN 0090-6778 doi: https://doi.org/10.1109/TCOMM.2012.021712.110006

Qi, J. and Aissa, S. (2011) Joint compensation of multiple RF impairments in MIMO STBC systems. In: 2011 IEEE 22nd International Symposium on Personal, Indoor and Mobile Radio Communications. IEEE, pp. 1500-1505. ISBN 9781457713460 doi: https://doi.org/10.1109/PIMRC.2011.6139753

Qi, J. and Aissa, S. (2011) Analysis and compensation for the joint effects of HPA nonlinearity, I/Q imbalance and crosstalk in MIMO beamforming systems. In: 2011 IEEE Wireless Communications and Networking Conference. IEEE, pp. 1562-1567. ISBN 9781612842554 doi: https://doi.org/10.1109/WCNC.2011.5779363

Qi, J. and Aissa, S. (2010) Compensation for HPA nonlinearity and I/Q imbalance in MIMO beamforming systems. In: 2010 IEEE 6th International Conference on Wireless and Mobile Computing, Networking and Communications. IEEE, pp. 78-82. ISBN 9781424477432 doi: https://doi.org/10.1109/WIMOB.2010.5644865

Qi, J. and Aissa, S. (2010) Optimal beamforming in MIMO systems with HPA nonlinearity. In: 21st Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications. IEEE, pp. 911-915. ISBN 9781424480173 doi: https://doi.org/10.1109/PIMRC.2010.5672083

Qi, J. and Aissa, S. (2010) Analysis and compensation of power amplifier nonlinearity in MIMO transmit diversity systems. IEEE Transactions on Vehicular Technology, 59 (6). pp. 2921-2931. ISSN 0018-9545 doi: https://doi.org/10.1109/TVT.2010.2049594

Qi, J. and Aissa, S. (2010) Analysis and compensation of I/Q imbalance in MIMO transmit-receive diversity systems. IEEE Transactions on Communications, 58 (5). pp. 1546-1556. ISSN 0090-6778 doi: https://doi.org/10.1109/TCOMM.2010.05.090225

Qi, J. and Aissa, S. (2009) Cross-layer design for multiuser MIMO MRC systems with feedback constraints. IEEE Transactions on Vehicular Technology, 58 (7). pp. 3347-3360. ISSN 0018-9545 doi: https://doi.org/10.1109/TVT.2009.2015668

Qi, J. and Aissa, S. (2009) Impact of HPA nonlinearity on MIMO systems with quantized equal gain transmission. In: 2009 IEEE 20th International Symposium on Personal, Indoor and Mobile Radio Communications. IEEE, pp. 2891-2895. ISBN 9781424451227 doi: https://doi.org/10.1109/PIMRC.2009.5450073

Qi, J., Aïssa, S. and Maaref, A. (2009) Cross-layer design for MIMO systems over spatially correlated and keyhole Nakagami-m fading channels. Wireless Communications and Mobile Computing, 10 (8). pp. 1055-1067. ISSN 15308669 doi: https://doi.org/10.1002/wcm.822

Qi, J. and Aissa, S. (2009) On the effect of power amplifier nonlinearity on MIMO transmit diversity systems. In: 2009 IEEE International Conference on Communications. IEEE, pp. 1-5. doi: https://doi.org/10.1109/ICC.2009.5199252

Qi, J. and Aissa, S. (2009) On the effect of I/Q imbalance on MIMO transmit-receive diversity systems. In: 2009 IEEE Wireless Communications and Networking Conference. IEEE, pp. 1-5. ISBN 9781424429479 doi: https://doi.org/10.1109/WCNC.2009.4917854

Qi, J. and Aissa, S. (2008) Performance analysis of MIMO MRC in 3D mobile-to-mobile double-correlated channels. In: IEEE GLOBECOM 2008 - 2008 IEEE Global Telecommunications Conference. IEEE, pp. 1-5. doi: https://doi.org/10.1109/GLOCOM.2008.ECP.696

Qi, J. and Aissa, S. (2007) Cross-layer design of enhanced AMC with truncated ARQ protocols. In: IEEE GLOBECOM 2007-2007 IEEE Global Telecommunications Conference. IEEE, pp. 3353-3357. doi: https://doi.org/10.1109/GLOCOM.2007.636

Qi, J., Aissa, S. and Zhao, X. (2007) Optimal frame length for keeping normalized goodput with lowest requirement on BER. In: 2007 Innovations in Information Technologies (IIT). IEEE, pp. 715-719. doi: https://doi.org/10.1109/IIT.2007.4430479

Zhao, X., Qi, J., Liang, H. and Yu, X. (2007) An analytical method for capacity dimensioning of WCDMA with high speed wireless link. In: 2007 IEEE Wireless Communications and Networking Conference. IEEE, pp. 4172-4176. doi: https://doi.org/10.1109/WCNC.2007.762