[PDF] Top 20 A fast and low complexity matrix inversion scheme based on CSM method for massive MIMO systems
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A fast and low complexity matrix inversion scheme based on CSM method for massive MIMO systems
... of massive MIMO systems and some mathematic lem- mas to propose the CSM-based scheme to reduce the computational complexity from O ( K 3 ) to O ( K 2 ) ...while, ... See full document
6
Performance and Complexity Improvement of Training Based Channel Estimation in MIMO Systems
... explicit matrix inversions. But orthogonal matrix triangularization is preferable over other methods as it guarantees numerical stability by minimizing errors caused by machine roundoffs ...[10]. ... See full document
13
Low complexity beam domain channel estimation and power allocation in hybrid architecture massive MIMO systems
... architecture massive multiple-input and multiple-output (MIMO) communication ...a low-complexity channel estimation method, which utilizes the beam steering vectors achieved from the ... See full document
9
Linear precoding based on polynomial expansion: reducing complexity in massive MIMO
... Similar complexity issues appear in multiuser detec- tion, where the minimum mean square error (MMSE) detector involves matrix inversions ...often based on the concept of truncated poly- nomial ... See full document
22
Towards Interference Alignment for Distributed Large Scale MIMO Hardware Architecture and Implementation
... Abstract Massive MIMO or Large Scale MIMO is a promising solution for achieving superior data rates in 5G communication ...Distributed massive MIMO is expected to enhance these ...this ... See full document
10
A Diversity-Multiplexing Tradeoff Optimal Low Complexity Zero Forcing Method Based on ZP-OFDM
... transmission scheme and it was shown that both ZF and MMSE equalizers as N approaches infinity are DMT ...K matrix is needed for the equalization with this ...the complexity of the matrix ... See full document
7
PAPR Reduction Method for OFDM Based Massive MIMO Systems
... example, low-complex pre-coding can be deployed which reduces the overall digital (signal processing) hardware ...In massive MIMO there is inherently a large degree-of-freedom (due to the large ... See full document
5
A low complexity 3D massive MIMO scheme jointly using statistical and instantaneous CSIT
... designed based on the effective channels formed by large-dimensional instanta- neous channels and DFT prebeamformers, which has low ...designed based on the signal-to-leakage-and-noise ratio as the ... See full document
13
A limited feedback scheme for massive MIMO systems based on principal component analysis
... for massive MIMO is challenging due to the substantially increased dimension of the channel ...reduction scheme based on the theory of principal component analysis ...feedback scheme ... See full document
12
A low complexity algorithm for the joint antenna selection and user scheduling in multi cell multi user downlink massive MIMO systems
... a low complexity JASUS for downlink massive multi-user MIMO ...JASUS scheme for downlink multi-user massive MIMO ...computational complexity, this algorithm can ... See full document
14
The Physical Layer Technologies in 5G Mobile Communication System
... rate. MIMO technology not only evolved from 2×2 MIMO to 8×8 MIMO but also from single-user MIMO to cooperative MIMO with processor chip’s capacity ...However, MIMO technology has ... See full document
7
Low-Complexity Geometry-Based MIMO Channel Simulation
... additional complexity reduction for the sce- narios of ...band MIMO channel simulation, we propose to use a hybrid method which computes the complex exponentials in the spatial domain directly and ... See full document
17
Implementation of low complexity MIMO detector and efficient soft output demapper for MIMO OFDM based wireless LAN systems
... the fast Fourier transform (FFT) input buffer, and carrier frequency offset (CFO) is corrected at the input of the FFT ...the MIMO detector. Finally, the output signal of MIMO detector is processed ... See full document
7
Evaluation of Low Complexity Massive MIMO Techniques Under Realistic Channel Conditions
... CUSBF scheme and the GWC scheme is ...proposed scheme is more obvious in terms of achieving performance close to that of the GWC ...the scheme in [4], ... See full document
8
Highly Efficient Resource Allocation Techniques in 5G for NOMA-based Massive MIMO and Relaying Systems
... SIC scheme; then the relay superposes messages for cell-edge users with adjusted power in NOMA protocol and transmits them to the ...SIC scheme at the relay fits DF relaying mechanism very well because by ... See full document
108
A low complexity user selection scheme in a multicell MIMO environment
... tion scheme for the downlink of MIMO cellular systems in a multicell ...proposed scheme works jointly with SGINR beamforming and attempts to max- imize the sum rate over all of the users in a ... See full document
8
Joint measure matrix and channel estimation for millimeter wave massive MIMO with hybrid precoding
... (mmWave) massive multiple-input multiple-output (MIMO) with hybrid precoding is a promising technology for future 5G wireless ...(mmWave) MIMO systems with hybrid precoding can be performed by ... See full document
11
Energy Efficient Multi User Mobile Edge Computation Offloading in Massive MIMO Enabled HetNets
... centralized scheme is proposed to minimize the total energy ...distributed scheme is designed to lower the system overhead in the field of energy and monetary ...and massive MIMO is not taken ... See full document
6
New Transmission Scheme Based on Space Time Code for Massive MIMO
... The system model of the proposed scheme is shown in Figure 1, which contains K users and a base station. All users are equipped with 4 antennas and the base station is equipped with N N ( ≥ 4 K ) antennas. ... See full document
9
Low Complexity Approximate Log MAP Detection for MIMO Systems
... novel low-complexity Log-MAP space-time detection method, which can be regarded as an advanced exten- sion of the Complex Sphere Decoder ...proposed method closely approaches the optimum ... See full document
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