Hybrid precoding for multiuser massive MIMO systems based on MMSE-PSO
Sign Up to like & getrecommendations! Published in 2020 at "Wireless Networks"
DOI: 10.1007/s11276-019-02187-0
Abstract: Hybrid Precoding has been adopted as a promising technology for 5th generation wireless communication systems. In this paper, we propose a hybrid precoding scheme based on minimum mean square error (MMSE) and particle swarm optimization… read more here.
Keywords: hybrid precoding; mmse pso; precoding multiuser; pso ... See more keywords
Uplink Null-Space Expansion for Multiuser Massive MIMO in Time-Varying Channels Under Unknown Interference
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Access"
DOI: 10.1109/access.2020.3044053
Abstract: This article proposes a novel postcoding design scheme for suppressing inter-user interference (IUI) and inter-cell interference (ICI) in uplink multiuser massive multiple-input multiple-output (MIMO) system in time-varying channel environments. In the uplink system, the base… read more here.
Keywords: multiuser massive; time; interference; time varying ... See more keywords
A Low Complexity Data Detection Algorithm for Uplink Multiuser Massive MIMO Systems
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Journal on Selected Areas in Communications"
DOI: 10.1109/jsac.2017.2710878
Abstract: A major challenge for uplink multiuser massive multiple-input and multiple-output (MIMO) systems is the data detection problem at the receiver due to the substantial increase in the dimensions of MIMO systems. The optimal maximum likelihood… read more here.
Keywords: data detection; complexity; uplink multiuser; multiuser massive ... See more keywords
Optimal Hybrid Beamforming for Multiuser Massive MIMO Systems With Individual SINR Constraints
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Wireless Communications Letters"
DOI: 10.1109/lwc.2018.2878766
Abstract: In this letter, we consider optimal hybrid beamforming design to minimize the transmission power under individual signal-to-interference-plus-noise ratio (SINR) constraints in a multiuser massive multiple-input-multiple-output (MIMO) system. This results in a challenging non-convex optimization problem.… read more here.
Keywords: multiuser massive; mimo; sinr constraints; hybrid beamforming ... See more keywords
Spectral Efficiency Maximization of Multiuser Massive MIMO Systems With Finite-Dimensional Channel via Control of Users’ Power
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Circuits and Systems II: Express Briefs"
DOI: 10.1109/tcsii.2017.2749377
Abstract: This brief investigates the spectral efficiency of multiuser massive multiple-input multiple-output systems with a very large number of antennas at a base station serving single-antenna users. A practical physical channel model is proposed by dividing… read more here.
Keywords: control; power; multiuser massive; channel ... See more keywords