Title: Simula��o de sistemas de comunica��o LTE Long-Term Evolution (Portuguese Edition)
Publisher: Edicoes Nosso Conhecimento
Publication Date: 2024
Language: Portuguese
ISBN 10: 6208366496
ISBN 13: 9786208366490
Binding: Soft cover
Condition: New

About this title

Synopsis

T�m sido efectuadas investiga��es sobre o desenvolvimento de algoritmos de processamento de sinais para a evolu��o a longo prazo (LTE), o que exige um ambiente de simula��o realista, flex�vel e compat�vel com as normas. Para facilitar as compara��es com o trabalho de outros grupos de investiga��o, esse ambiente de simula��o deve, idealmente, estar dispon�vel ao p�blico. A LTE � a evolu��o do UMTS que permitir� fornecer servi�os multim�dia de alta qualidade da pr�xima gera��o de acordo com as expectativas dos utilizadores. Uma vez que a avalia��o do desempenho do LTE necessita de simula��es ao n�vel da liga��o e do sistema, � apresentada neste livro uma ferramenta de software para simular a liga��o descendente LTE baseada na tecnologia OFDM com processamento de antena MIMO. Este simulador cont�m os algoritmos MIMO, os modelos de canal espacial e os esquemas de modula��o e codifica��o para LTE. O resultado deste simulador serve para avaliar o desempenho ao n�vel da liga��o OFDM-MIMO LTE em diferentes ambientes e criar tabelas de consulta ao n�vel da liga��o para serem utilizadas como entrada para um futuro simulador ao n�vel do sistema LTE. Tudo isto, juntamente com outras discuss�es, permite ao leitor ter uma imagem clara da camada f�sica LTE e da t�cnica utilizada no sistema de comunica��o LTE.

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