Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Álvaro Ricieri Castro e Souza"'
Publikováno v:
Semina: Ciências Exatas e Tecnológicas, Vol 32, Iss 2, Pp 167-180 (2011)
This work analyzes the most common wireless cooperative network protocols, verifying potentialities and performance relative to the non cooperative methodology, also techniques that can maximize the performance, such as combining signal rules and rel
Externí odkaz:
https://doaj.org/article/ce829fbbccde47669ab840168b77710e
Publikováno v:
Semina: Ciências Exatas e Tecnológicas, Vol 32, Iss 2 (2011)
Este trabalho analisa os principais protocolos em redes sem fio cooperativas, buscando verificar potencialidades e desempenho das mesmas em relação à metodologia não cooperativa, além de técnicas que possam maximizar o desempenho, como por exem
Externí odkaz:
https://doaj.org/article/7a2178c820ab408dbf6a705b832eb300
Publikováno v:
Biblioteca Digital de Teses e Dissertações da UELUniversidade Estadual de LondrinaUEL.
Dada a crescente demanda por taxa de informação e serviços distintos, a alocação eficiente de recursos em redes sem fio torna-se uma estratégia essencial. Assim, os esforços de pesquisa atual têm sido direcionados principalmente para o cresci
Autor:
Marcos Vinicius Rocha da Silva, Thiago Vinney Oliveira Almeida, Edson Tavares de Camargo, Jose Eduardo De Souza, Fabio Alexandre Spanhol, Álvaro Ricieri Castro e Souza
Publikováno v:
Anais do Workshop de Computação Urbana (CoUrb 2020).
O rastreamento de veículos de frotas está entre as principais aplicações de cidades inteligentes. Este trabalho realiza uma avalição de quatro dispositivos rastreadores - dois comerciais e dois programados - que fazem uso de uma rede LoRaWAN pa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3267876305e43f81b7e4693c93d678bc
https://doi.org/10.5753/courb.2020.12349
https://doi.org/10.5753/courb.2020.12349
Recent public cooperation between the Federal University of Technology – Parana (UTFPR) and the Toledo Municipality plans to implement the concept of smart cities in this city. In this context, one of the applications under development intends to t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::db28ab6a49e735658f492510ccecc9eb
https://doi.org/10.21203/rs.3.rs-95995/v1
https://doi.org/10.21203/rs.3.rs-95995/v1
Publikováno v:
IEEE Journal on Selected Areas in Communications. 34:3142-3156
In this paper, we investigate computationally efficient strategies for energy-efficiency (EE) maximization in the uplink of a single-cell orthogonal frequency-division multiple-access system. We realize EE maximization by allocating power and subcarr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2627948f882a54a2cd5f203318d7505e
https://doi.org/10.1109/jsac.2016.2600409
https://doi.org/10.1109/jsac.2016.2600409
Publikováno v:
Applied Optics. 59:5615
Wavelength division multiplexing (WDM) permits the light spectrum to be divided into several parallel channels, allowing the capacity of visible light communication (VLC) systems to be increased. However, the spectral overlap due to the emission spre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0c91420d1521ed7341ec74bcdfc806f4
https://doi.org/10.1364/ao.391219
https://doi.org/10.1364/ao.391219
Autor:
Álvaro Ricieri Castro e Souza, Paul Jean Etienne Jeszensky, Taufik Abrão, Lucas Dias Hiera Sampaio
Publikováno v:
IEEE Sensors Journal. 14:3065-3075
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1147a864d23b4639af60838740f6922b
https://doi.org/10.1109/jsen.2014.2320363
https://doi.org/10.1109/jsen.2014.2320363
Publikováno v:
Transactions on Emerging Telecommunications Technologies. 27:216-248
In this survey, techniques to enhance energy efficiency EE in orthogonal frequency division multiple access OFDMA and orthogonal frequency division multiplexing OFDM systems, with or without the utilisation of the cooperative network paradigm, consid
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::15fb1500562711affe7ee218453ee2be
https://doi.org/10.1002/ett.2850
https://doi.org/10.1002/ett.2850
Publikováno v:
IEEE Latin America Transactions. 10:1482-1488
This paper demonstrates the effectiveness of local search algorithm (LS) for multiuser detection (MuD) in multiple access DS/CDMA communication networks, using digital sinal processing platform. Even been the simplest search algorithm found in litera
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::84e40de9fd920451904902f4e4d3509f
https://doi.org/10.1109/tla.2012.6187590
https://doi.org/10.1109/tla.2012.6187590