Results 91 to 100 of about 50,793 (224)

On the Interference Alignment Designs for Secure Multiuser MIMO Systems

open access: yes, 2016
In this paper, we propose two secure multiuser multiple-input multiple-output transmission approaches based on interference alignment (IA) in the presence of an eavesdropper.
Duong, Trung Quang   +3 more
core   +1 more source

Communication Over MIMO Broadcast Channels Using Lattice-Basis Reduction

open access: yes, 2006
A simple scheme for communication over MIMO broadcast channels is introduced which adopts the lattice reduction technique to improve the naive channel inversion method.
Khandani, Amir K.   +2 more
core   +5 more sources

Nonlinear Visible Light Communications Broadcast Channel Precoding: A New Solution for In-flight Systems

open access: yesIEEE Photonics Journal, 2018
In this paper, we consider a multiuser multiple-input-single-output (MU-MISO) downlink visible light communication (VLC) system deployed in airplane cabins, for serving high-speed Internet to the passengers through the reading lamps.
Dario Tagliaferri   +3 more
doaj   +1 more source

AirSync: Enabling Distributed Multiuser MIMO with Full Spatial Multiplexing

open access: yes, 2012
The enormous success of advanced wireless devices is pushing the demand for higher wireless data rates. Denser spectrum reuse through the deployment of more access points per square mile has the potential to successfully meet the increasing demand for ...
Balan, Horia Vlad   +4 more
core  

Regularized Zero-Forcing Dirty Paper Precoding in a High-Throughput Satellite Communication System [PDF]

open access: gold, 2022
Mingchuan Yang   +4 more
openalex   +1 more source

Low-complexity Optimized Version of AOR Algorithm for Signal Precoding in Large-scale MIMO Systems

open access: yesJournal of Telecommunications and Information Technology
In recent years, there has been a growing focus on research concerning wireless communication technologies, with a particular emphasis placed on the emerging field of massive MIMO systems.
Naceur Aounallah, Smail Labed
doaj   +1 more source

An Efficient Precoding Method for Improved Downlink Massive MIMO System

open access: yesIEEE Access, 2019
This paper proposes an efficient precoding method based on Neumann series (NS) to improve error performances for already developed diagonal NS (DNS) in massive MIMO system.
Jae-Hyun Ro   +3 more
doaj   +1 more source

Linear Precoding Designs for MIMO VLC Using Multi-Color LEDs under Multiple Lighting Constraints

open access: yesCrystals, 2018
Multiple-input multiple-output (MIMO) technology as an efficient approach to improve the transmission rate in visible light communication (VLC) has been well studied in recent years.
Ye Xiao, Yi-Jun Zhu, Zheng-Guo Sun
doaj   +1 more source

Home - About - Disclaimer - Privacy