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Achieving "Massive MIMO" Spectral Efficiency with a Not-so-Large Number of Antennas
Channel training downlink scheduling frequency reuse inter-cell cooperation large-system analysis
2011/9/15
Abstract: The main focus and contribution of this paper is a novel network-MIMO TDD architecture that achieves spectral efficiencies comparable with "Massive MIMO", with one order of magnitude fewer a...
Improving Energy Efficiency Through Multimode Transmission in the Downlink MIMO Systems
downlink MIMO systems singular value decomposition (SVD) block diagonalization (BD) imperfect CSIT
2011/9/5
Abstract: 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 imperfect ch...
PROPER EFFICIENCY OF NONCONVEX VECTOR OPTIMIZATION PROBLEMS
Vector optimization proper efficiency c
2007/8/7
In topological vector spaces, we estalish a Lagrange Multiplier Theorem forproper efficiency of nonconvex vector optimization problems. The saddle point theorems for the scalar-valued Lagrangian fonct...