Results 81 to 90 of about 85,510 (154)
Experimentation with MANETs of Smartphones
, 2017 Mobile AdHoc NETworks (MANETs) have been identified as a key emerging technology for scenarios in which IEEE 802.11 or cellular communications are either infeasible, inefficient, or cost-ineffective.
Aguiar, Ana +3 more
core +1 more source
Multiuser Equalizer for Hybrid Massive MIMO mmWave CE-OFDM Systems
Applied Sciences, 2019 This paper considers a multiuser broadband uplink massive multiple input multiple output (MIMO) millimeter-wave (mmWave) system. The constant envelope orthogonal frequency division multiplexing (CE-OFDM) is adopted as a modulation technique to allow an ...
Roberto Magueta +5 more
doaj +1 more source
Law, State and telecommunications : from the outset to the new regulatory model [PDF]
, 2009 Faculdade de Direito ...
Abdalla Júnior, Humberto +8 more
core
A Multi-Technology Communication Platform for Urban Mobile Sensing
Sensors, 2018 A common concern in smart cities is the focus on sensing procedures to provide city-wide information to city managers and citizens. To meet the growing demands of smart cities, the network must provide the ability to handle a large number of mobile ...
Rodrigo Almeida +4 more
doaj +1 more source
Ranking the stocks listed on Bovespa according to their relative efficiency [PDF]
A methodology based on the algorithmic complexity theory has been applied to assess the relative efficiency of the stocks listed on Bovespa. We provide eight alternative listings of the top ten stocks according to their efficiency rates.Algorithmic ...
Da Silva, Sergio, Giglio, Ricardo
core +1 more source
Law, State and telecommunications : the broadband gravitational force [PDF]
, 2011 O presente estudo figura como introdução à Revista de Direito, Estado e Telecomunicações do Grupo de Estudos em Direito das Telecomunicações da Universidade de Brasília, abordando sinteticamente a estrutura, conteúdo e política editorial da ...
Abdalla Júnior, Humberto +9 more
core
Ciência da Informação, 2018 O objetivo desta pesquisa é identificar as características provenientes da gestão do conhecimento que sejam pertinentes aos processos da engenharia de requisitos dos projetos de software desenvolvidos em operadoras de telecomunicações atuantes no Brasil.
Andre Ronaldo Rivas +2 more
doaj
Journal of Microwaves, Optoelectronics and Electromagnetic ApplicationsIn this paper, we present a simple experimental method to generate a DP-16QAM optical signal for high spectral efficiency optical transmission. A 16QAM optical signal is generated by passing a DP-QPSK signal through a linear polarization filter in a ...
E. P. Silva +6 more
doaj +1 more source
Information-Theoretical Criteria for Characterizing the Earliness of Time-Series Data
Entropy, 2019 Biomedical signals constitute time-series that sustain machine learning techniques to achieve classification. These signals are complex with measurements of several features over, eventually, an extended period.
Mariano Lemus +4 more
doaj +1 more source
Os caminhos incertos da convergência: o caso da Portugal Telecom [PDF]
, 2003 O maior grupo de comunicações português, a Portugal Telecom (PT) investiu na distribuição de sinal televisivo e apostou seriamente na produção de conteúdos, tendo mesmo adquirido um dos maiores grupos mediáticos nacionais - a Lusomundo.
Silva, Elsa Costa e, Sousa, Helena
core