Secure Video Streaming in Heterogeneous Small Cell Networks With Untrusted Cache Helpers (2018) Xiang L, Wing Kwan Ng D, Schober R, Wong VW Journal article GLSE Precoders for Massive MIMO Systems: Analysis and Applications (2018) Bereyhi A, Sedaghat MA, Müller R, Fischer G Journal article, Original article Least Square Error Precoders for Massive MIMO With Signal Constraints: Fundamental Limits (2018) Sedaghat MA, Bereyhi A, Müller R Journal article, Original article Performance Analysis of Near-Optimal Energy Buffer Aided Wireless Powered Communication (2017) Morsi R, Michalopoulos D, Schober R Journal article, Original article Cache-Enabled Physical Layer Security for Video Streaming in Backhaul-Limited Cellular Networks (2017) Xiang L, Ng DWK, Schober R, Wong VWS Journal article Robust Beamforming Design in C-RAN With Sigmoidal Utility and Capacity-Limited Backhaul (2017) Wang Z, Wing Kwan Ng D, Wong VWS, Schober R Journal article Joint Optimal Pricing and Task Scheduling in Mobile Cloud Computing Systems (2017) Shah-Mansouri H, Wong VWS, Schober R Journal article Multi-Cell Massive MIMO Systems With Hardware Impairments: Uplink-Downlink Duality and Downlink Precoding (2017) Zarei S, Gerstacker W, Aulin J, Schober R Journal article Low-Complexity MIMO Precoding for Finite-Alphabet Signals (2017) Wu Y, Wing Kwan Ng D, Wen CK, Schober R, Lozano A Journal article Analysis and Design of Secure Massive MIMO Systems in the Presence of Hardware Impairments (2017) Zhu J, Wing Kwan Ng D, Wang N, Schober R, Bhargava VK Journal article