Results 41 to 50 of about 536,041 (263)

Wireless Power Transfer in Massive MIMO Aided HetNets with User Association [PDF]

open access: yes, 2016
This paper explores the potential of wireless power transfer (WPT) in massive multiple input multiple output (MIMO) aided heterogeneous networks (HetNets), where massive MIMO is applied in the macrocells, and users aim to harvest as much energy as ...
Jin, Shi   +4 more
core   +2 more sources

Vienna MIMO Testbed [PDF]

open access: yesEURASIP Journal on Advances in Signal Processing, 2006
Summary: While the field of MIMO transmission has been explored over the past decade mainly theoretically, relatively few results exist on how these transmissions perform over realistic, imperfect channels. The reason for this is that measurement equipment is expensive, difficult to obtain, and often inflexible when a multitude of transmission ...
Caban, Sebastian   +4 more
openaire   +1 more source

The Joint Channel Coding and Pre-Distortion Technique on the USRP-Based MIMO-OFDM System

open access: yesJurnal RESTI (Rekayasa Sistem dan Teknologi Informasi), 2023
Modern wireless communication systems use orthogonal frequency division multiplexing (OFDM), a multi-carrier modulation method that resists multipath channels and provides bandwidth efficiency. OFDM is generally used with a Multiple-Input Multiple-Output
Melki Mario Gulo   +4 more
doaj   +1 more source

On the Achievable Capacity of MIMO-OFDM Systems in the CathLab Environment

open access: yesSensors, 2020
In the last years, the evolution of digital communications has been harnessed by medical applications. In that context, wireless communications are preferable over wired communications, as they facilitate the work of health technicians by reducing ...
João Guerreiro, Rui Dinis, Luís Campos
doaj   +1 more source

Traje de Tradição: elementos da contemporaneidade na cultura de rua

open access: yesModaPalavra e-periódico, 2016
O artigo discorre sobre a memória dos trajes e a maneira como os indivíduos registram e interpretam suas relações com eles. Parte-se do pressuposto de que nos colocamos em tudo, e, por essa razão, também, os trajes populares revelam o lugar político de ...
Márcia Merlo
doaj   +2 more sources

Spatial Multiplexing for MIMO/Massive MIMO

open access: yes, 2023
In this chapter, we will discuss how to achieve spatial multiplexing in multiple-input multiple-output (MIMO) communications through precoding design, for both traditional small-scale MIMO systems and massive MIMO systems. The mathematical description for MIMO communications will first be introduced, based on which we discuss both block-level precoding
Haonan, Wang,, Ang, Li,
openaire   +2 more sources

Surface MIMO [PDF]

open access: yesProceedings of the 24th Annual International Conference on Mobile Computing and Networking, 2018
MobiCom ...
Chan, Justin   +3 more
openaire   +2 more sources

On the Matrix Inversion Approximation Based on Neumann Series in Massive MIMO Systems

open access: yes, 2015
Zero-Forcing (ZF) has been considered as one of the potential practical precoding and detection method for massive MIMO systems. One of the most important advantages of massive MIMO is the capability of supporting a large number of users in the same time-
Li, Boyu, Liang, Ping, Zhu, Dengkui
core   +1 more source

LoS MIMO-Arrays vs. LoS MIMO-Surfaces

open access: yes2023 17th European Conference on Antennas and Propagation (EuCAP), 2023
The wireless research community has expressed major interest in the sub-terahertz band for enabling mobile communications in future wireless networks. The sub-terahertz band offers a large amount of available bandwidth and, therefore, the promise to realize wireless communications at optical speeds.
Di Renzo M., Dardari D., Decarli N.
openaire   +4 more sources

The Political (Non)creativity in the Media [PDF]

open access: yesIn Medias Res, 2016
Mass media play a particular role in the formation of public opinion. Mass media also play a very important role in the processes of political communication.
Radenko Šćekić, Mimo Drašković
doaj  

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