We carry out advanced research on academic and technological fronts in wireless communications and information systems. Our research focuses on building up technical fundamentals of advanced wireless information systems and finds practical applications to wireless distributed learning, wireless computing, 5G/6G, and internet of things (IoT). We are recognized as a world-leading research group in wireless communications and information systems.
Research Interests & Projects
- Wireless Communications (5G/6G)
- Internet of Things (IoT)
- Wireless Distributed Edge Computing
- Machine Learning
Journals & Patents
 J. G. Andrews, S. Buzzi, W. Choi, S. Hanly, A. Lozano, A. C. K. Soong, and J. C. Zhang, “What will 5G be?” IEEE Journal on Selected Areas in Communications – Special Issue on 5G Wireless Systems, vol. 32, no. 6, pp. 1065-1082, June 2014. (Over 5000 Citations)
 J. Song, H. Song, and W. Choi, “Optimal caching placement for wireless femto-caching,” IEEE Trans. on Wireless Communications, vol. 16, no. 7, pp. 4433-4444, July 2017.
 S. H. Chae and W. Choi, “Caching placement in stochastic wireless caching helper networks: Channel selection diversity via caching,” IEEE Trans. on Wireless Communications, vol. 15, no. 10, pp. 6626-6637, Oct. 2016.
 J.-P. Hong, W. Choi, and B. Rao, “Sparsity controlled random multiple access based on compressed sensing,” IEEE Trans. on Wireless Communications, vol. 14, no. 2, pp. 998-1010, Feb. 2015.
 S. H. Chae, W. Choi, J. H. Lee, and T. Quek, “Enhanced secrecy in stochastic wireless networks: Artificial noise with secrecy protected zone,” IEEE Trans. on Information Forensics and Security, vol. 9, no. 10, pp. 1617-1628, Oct. 2014.
 S. Cho and W. Choi, “Energy-efficient repulsive cell activation for heterogeneous cellular networks,” IEEE Journal on Selected Areas in Communications – Special Issue on Spectrum and Energy Efficient Design of Wireless Communication Networks, vol. 31, no. 5, pp. 870-882, May 2013.
 J.-P, Hong, B. Hong, T. W. Ban, and W. Choi, “On the cooperative diversity gain in underlay cognitive radio systems,” IEEE Trans. on Communications, vol. 60, no. 1, pp. 209-219, Jan. 2012.