about me

	♦ MAC/BC:
		♠ L. Zhang, R. Zhang, Y. C. Liang, Y. Xin, and H. V. Poor, “On the Gaussian MIMO BC-MAC duality with multiple transmit covariance constraints,” IEEE Transactions on Information Theory, vol. 58, no. 34, pp. 2064-2078, April, 2012. ♠ R. Zhang, “Cooperative multi-cell block diagonalization with per-base-station power constraints,” IEEE Journal on Selected Areas in Communications, special issue on cooperative communications for cellular networks, vol. 28, no. 9, pp. 1435-1445, December, 2010. ♠ J. Wagner, Y. C. Liang, and R. Zhang, “On the balance of multiuser diversity and spatial multiplexing gain in random beamforming,” IEEE Transactions on Wireless Communications, vol. 7, no. 7, pp. 2512-2525, July 2008. ♠ R. Zhang, “Optimal dynamic resource allocation for multi-antenna broadcasting with heterogeneous delay-constrained traffic,” IEEE Journal of Selected Topics in Signal Processing, special issue on MIMO-optimized transmission systems for delivering data and rich content, vol.2, no. 2, pp. 243-255, April 2008. ♠ C. Y. Chen, K. B. Seong, R. Zhang, and J. M. Cioffi, “Optimized transmission for upstream vectored DSL systems using zero-forcing generalized decision feedback equalizers,” IEEE Journal of Selected Topics in Signal Processing, special issue on convex optimization methods for signal processing, vol. 1, no.4, pp. 686-699, December 2007. ♠ M. Mohseni, R. Zhang, and J. M. Cioffi, “Optimized transmission of fading multiple-access and broadcast channels with multiple antennas,’’ IEEE Journal on Selected Areas in Communications, special issue on nonlinear optimization of communication systems, vol. 24, no. 8, pp.1627-1639, August 2006.
	♦ IC:
		♠ Y. Zeng, R. Zhang, E. Gunawan, and Y. L. Guan, “Optimized transmission with improper Gaussian signaling in the K-user MISO interference channel,” IEEE Transactions on Wireless Communications, vol. 12, no. 12, pp. 6303-6313, December, 2013. ♠ H. D. Nguyen, R. Zhang, and H. T. Hui, “Multi-cell random beamforming: achievable rate and degrees of freedom region,” IEEE Transactions on Signal Processing, vol. 61, no. 14, pp. 3532-3544, July 2013. ♠ Y. Zeng, C. M. Yetis, E. Gunawan, Y. L. Guan, and R. Zhang, “Transmit optimization with improper Gaussian signaling for interference channels,” IEEE Transactions on Signal Processing, vol. 61, no. 11, pp. 2899-2913, June, 2013. ♠ L. Liu, R. Zhang, and K. C. Chua, “Achieving global optimality for weighted sum-rate maximization in the K-user Gaussian interference channel with multiple antennas,” IEEE Transactions on Wireless Communications, vol. 11, no. 5, pp. 1933-1945. May, 2012 ♠ J. Qiu, R. Zhang, Z.-Q. Luo, and S. Cui, “Optimal distributed beamforming for MISO interference channels,” IEEE Transactions on Signal Processing, vol. 59, no. 11 pp. 5638-5643, November, 2011. ♠ K.-B. Huang and R. Zhang, “Cooperative precoding with limited feedback for MIMO interference channels,” IEEE Transactions on Wireless Communications, vol. 11, no. 3, pp. 1012-1021, March, 2012. ♠ R. Zhang and J. M. Cioffi, “Exploiting opportunistic multiuser detection in decentralized multiuser MIMO systems,” IEEE Transactions on Wireless Communications, vol. 10, no. 8, pp. 2474-2485, August, 2011. ♠ K.-B. Huang and R. Zhang, “Cooperative feedback for multiantenna cognitive radio networks,” IEEE Transactions on Signal Processing, vol. 59, no. 2, pp. 747-758, February, 2011. ♠ R. Zhang and S. Cui, “Cooperative interference management with MISO beamforming,” IEEE Transactions on Signal Processing, vol. 58, no. 10, pp. 5450-5458, October, 2010. ♠ R. Zhang, F. Gao, and Y. C. Liang, “Cognitive beamforming made practical: effective interference channel and learning-throughput tradeoff,” IEEE Transactions on Communications, vol. 58, no. 2, pp. 706-718, February 2010. ♠ R. Zhang and Y. C. Liang, “Exploiting multi-antennas for opportunistic spectrum sharing in cognitive radio networks,” IEEE Journal of Selected Topics in Signal Processing, special issue on signal processing and networking for dynamic spectrum access, vol. 2, no. 1, pp. 88-102, February 2008.
	♦ Relay Channel:
		♠ M. Zeng, R. Zhang, and S. Cui, “On design of collaborative beamforming for two-way relay networks,” IEEE Transactions on Signal Processing, vol. 59, no. 5, pp. 2284-2295, May 2011. ♠ R. Zhang, Y. C. Liang, C. C. Chai, and S. Cui, “Optimal beamforming for two-way multi-antenna relay channel with analogue network coding,” IEEE Journal on Selected Areas in Communications, special issue on network coding for wireless communication networks, vol. 27, no. 5, pp. 699-712, June 2009. ♠ R. Zhang, C. C. Chai, and Y. C. Liang, “Joint beamforming and power control for multi-antenna relay broadcast channel with QoS constraints,” IEEE Transactions on Signal Processing, vol. 57, no.2, pp. 726-737, February 2009.
	♦ Wireless Secrecy Communication:
		♠ L. Liu, R. Zhang, and K. C. Chua, “Secrecy wireless information and power transfer with MISO beamforming,” IEEE Transactions on Signal Processing, vol. 62, no. 7, pp. 1850-1863, April, 2014. ♠ L. Zhang, R. Zhang, Y. C. Liang, Y. Xin, and S. Cui, “On the relationship between the multi-antenna secrecy communications and cognitive radio communications,” IEEE Transactions on Communications, vol. 58, no. 6, pp. 1877-1886, June 2010.
	♦ Wireless Information and Power Transfer:
		♠ J. Xu, L. Liu, and R. Zhang, “Multiuser MISO beamforming for simultaneous wireless information and power transfer,” IEEE Transactions on Signal Processing, vol. 62, no. 18, pp. 4798-4810, September, 2014. ♠ R. Zhang and C. K. Ho, “MIMO broadcasting for simultaneous wireless information and power transfer,” IEEE Transactions on Wireless Communications, vol. 12, no. 5, pp. 1989-2001, May, 2013.
	♦ Massive/Lens MIMO:
		♠ Y. Zeng and R. Zhang, “Millimeter wave MIMO with lens antenna array: a new path division multiplexing paradigm,”IEEE Transactions on Communications, vol. 64, no. 4, pp. 1557-1571, April 2016. ♠ L. Lu, G. Y. Li, A. L. Swindlehurst, A. Ashikhmin, and R. Zhang, “An overview of massive MIMO: benefits and challenges,”IEEE Journal of Selected Topics in Signal Processing, special issue on signal processing for large-scale MIMO communications, vol. 8, no. 5, pp. 742-758, October, 2014. ♠ Y. Zeng, R. Zhang, and Z. N. Chen, “Electromagnetic lens-focusing antenna enabled massive MIMO: performance improvement and cost reduction,” IEEE Journal on Selected Areas in Communications, special issue on 5G wireless communication systems, vol. 32, no. 6, pp. 1194-1206, June, 2014.
	♦ Improper Signalling:
		♠ H. D. Nguyen, R. Zhang, and S. Sun, “Improper signaling for symbol error rate minimization in K-User interference channel,” IEEE Transactions on Communications. vol. 63, no.3, pp. 857-869, March, 2015. ♠ Y. Zeng, R. Zhang, E. Gunawan, and Y. L. Guan, “Optimized transmission with improper Gaussian signaling in the K-user MISO interference channel,” IEEE Transactions on Wireless Communications, vol. 12, no. 12, pp. 6303-6313, December, 2013. ♠ Y. Zeng, C. M. Yetis, E. Gunawan, Y. L. Guan, and R. Zhang, “Transmit optimization with improper Gaussian signaling for interference channels,” IEEE Transactions on Signal Processing, vol. 61, no. 11, pp. 2899-2913, June, 2013.
	♦ Constant Envelope Precoding:
		♠ S. Zhang, R. Zhang, and T. J. Lim, “Constant envelope precoding for MIMO systems”, IEEE Transactions on Communications, vol. 66, no. 1, pp. 149-162, January 2018. ♠ S. Zhang, R. Zhang, and T. J. Lim, “MISO multicasting with constant envelope precoding,” IEEE Wireless Communications Letters, vol. 5, no. 6, pp. 588-591, December 2016. ♠ S. Zhang, R. Zhang, and T. J. Lim, “Constant envelope precoding with adaptive receiver constellation in fading channel,” IEEE Transactions on Wireless Communications, vol. 15, no. 10, pp. 6871-6882, October 2016.