Results 21 to 30 of about 637,438 (171)

Research on I / Q Unbalanced Channel Reciprocity Calibration Algorithm in Massive MIMO System

MATEC Web of Conferences, 2017
Massive MIMO system uses the transmitter channel state information (CSI) to preprocess the transmitted data, which can effectively reduce the interference and enhance the Massive MIMO system capacity.
Cui Jinming, Yin Liang, Ma Yue, Li Shufang   +3 more
doaj   +1 more source

Deep Clustering-Based Codebook Design for Massive MIMO Systems

IEEE Access, 2019
Deep learning (DL) can effectively handle explosive data and solve the complicated non-convex problems. Recently, it is used to reduce the overhead of channel state information (CSI) feedback and improve the performance of the limited feedback massive ...
Jing Jiang, Xiaojing Wang, Wen-Jing Wang, Li Zhen, Junxuan Wang   +4 more
doaj   +1 more source

Massive MU-MIMO-OFDM Downlink with One-Bit DACs and Linear Precoding

, 2017
Massive multiuser (MU) multiple-input multiple- output (MIMO) is foreseen to be a key technology in future wireless communication systems. In this paper, we analyze the downlink performance of an orthogonal frequency division multiplexing (OFDM)-based ...
Sven Jacobsson, Giuseppe Durisi, Christoph Studer, Durisi, Giuseppe,, Studer, Christoph, Studer, Christoph,, Coldrey, Mikael, Jacobsson, Sven, Durisi, Giuseppe, Mikael Coldrey, Coldrey, Mikael,, Jacobsson, Sven,   +11 more
core   +1 more source

Multimedia over massive MIMO wireless systems [PDF]

, 2015
To satisfy the massive wireless traffic transmission generated by multimedia applications, the massive multi-input-multi-output (MIMO) wireless system has emerged as a possible solution for future 5G wireless communication systems.
Wang, Haichao, Zhang, Jing, Zi, Ran, Ge, Xiaohu, Ni, Qiang   +4 more
core   +4 more sources

A Novel Performance Bound for Massive MIMO Enabled HetNets

Mathematics, 2023
Massive multiple-input and multiple-output (MIMO) networks with higher throughput rates, where a base station (BS) with a large-scale antenna array serves multiple users, have been widely employed in next-generation wireless communication test systems ...
Hao Li, Jiawei Cao, Guangkun Luo, Zhigang Wang, Houjun Wang   +4 more
doaj   +1 more source

LDPC Coded Massive MIMO Systems

Entropy, 2019
We design a coded massive multiple-input multiple-output (MIMO) system using low-density parity-check (LDPC) codes and iterative joint detection and decoding (JDD) algorithm employing a low complexity detection.
Inho Hwang, Han Jin Park, Jeong Woo Lee   +2 more
doaj   +1 more source

Channel Hardening in Cell-Free and User-Centric Massive MIMO Networks With Spatially Correlated Ricean Fading

IEEE Access, 2020
The irruption of the cell-free (CF) massive multiple-input multiple-output (MIMO) network topology has meant taking one step further the concept of massive MIMO as a means to provide uniform service in large coverage areas. A key property of massive MIMO
Alberto Alvarez Polegre, Felip Riera-Palou, Guillem Femenias, Ana Garcia Armada   +3 more
doaj   +1 more source

Quantized Massive MU-MIMO-OFDM Uplink

, 2016
Coarse quantization at the base station (BS) of a massive multi-user (MU) multiple-input multiple-output (MIMO) wireless system promises significant power and cost savings.
Durisi, Giuseppe,, Studer, Christoph, Studer, Christoph,, Durisi, Giuseppe, Studer, Christoph; id_orcid   +4 more
core   +1 more source

Massive MIMO radar parameters for test environment.

, 2022
Massive MIMO radar parameters for test environment.
Milembolo Miantezila Junior (12575141), Bin Guo (142004)   +1 more
core   +1 more source

The dynamic power allocation to maximize the achievable sum rate for massive MIMO‐NOMA systems

IET Communications, 2022
The demand of mobile networks and quality of service have recently increased to higher Spectral Efficiency (SE) or Energy Efficiency (EE) and massive connectivity for 5G wireless communications.
Zahra Amirifar, Jamshid Abouei
doaj   +1 more source