I. Koutsopoulos, L. Tassiulas, "Fast Neighbor Positioning and Medium Access in Wireless Networks with Directional Antennas.", IEEE Transactions on Wireless Communications, submitted 2009.
E. Matskani, N.D. Sidiropoulos, Z.-Q. Luo, L. Tassiulas, "Efficient Batch and Adaptive Approximation Algorithms for Joint Multicast Beamforming and Admission Control", IEEE Trans. on Signal Processing, vol.57, no.12, pp. 4882-4894, Dec. 2009.
C. Papathanasiou, I. Koutsopoulos, L. Tassiulas, "Low complexity beam-forming techniques for IEEE 802.11n WLANs" Proceedings of IEEE Vehicular Technology Conference (VTC) 2009-Fall, Anchorage, Alaska, USA