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4 papers · 2 filters
User Scheduling for Heterogeneous Multiuser MIMO Systems: A Subspace Viewpoint
Xinping Yi, Edward Au
In downlink multiuser multiple-input multiple-output (MU-MIMO) systems, users are practically heterogeneous in nature. However, most of the existing user scheduling algorithms are…
Improving Energy Efficiency Through Multimode Transmission in the Downlink MIMO Systems
Jie Xu, Ling Qiu, Chengwen Yu
Adaptively adjusting system parameters including bandwidth, transmit power and mode to maximize the "Bits per-Joule" energy efficiency (BPJ-EE) in the downlink MIMO systems with im…
Robust Lattice Alignment for K-user MIMO Interference Channels with Imperfect Channel Knowledge
Huang Huang, Vincent K. N. Lau, Yinggang Du +1
In this paper, we consider a robust lattice alignment design for K-user quasi-static MIMO interference channels with imperfect channel knowledge. With random Gaussian inputs, the c…
Multi-Relay Selection Design and Analysis for Multi-Stream Cooperative Communications
Shunqing Zhang, Vincent K. N. Lau
In this paper, we consider the problem of multi-relay selection for multi-stream cooperative MIMO systems with relay nodes. Traditionally, relay selection approaches are primar…