Diagnóstico e Planejamento de Redes Wi-Fi: Troubleshooting, Cobertura e Otimização de Sinal
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Diagn�stico e Planejamento de Redes Wi-Fi
O guia definitivo, em portugu�s, para profissionais que projetam, instalam e mant�m redes sem fio no Brasil. Entre o projeto aprovado em planta e o usu�rio navegando em alta velocidade, h� decis�es t�cnicas que distinguem uma rede que apenas funciona de uma rede que entrega o que promete. Este livro oferece o conhecimento necess�rio para tomar essas decis�es com base t�cnica - n�o em palpite. O livro est� dividido em tr�s partes: Parte I - Fundamentos (Cap�tulos 1 a 3): apresenta os conceitos f�sicos de propaga��o de ondas eletromagn�ticas, a evolu��o dos padr�es IEEE 802.11 (do Wi-Fi 4 ao Wi-Fi 7), o funcionamento do CSMA/CA, a estrutura dos quadros 802.11 e o processo de associa��o entre cliente e ponto de acesso. Parte II - Planejamento e Projeto (Cap�tulos 4 a 6): ensina os modelos de propaga��o (Friis, Log-Distance, One-Slope), o c�lculo de cobertura com or�amento de enlace, a interpreta��o de RSSI, SNR e MCS, a metodologia completa de site survey e o planejamento de redes para cada tipologia de ambiente - resid�ncias, com�rcios, escrit�rios, hospitais, ind�strias, centros de distribui��o e �reas externas. Parte III - Diagn�stico, Instala��o e Manuten��o (Cap�tulos 7 a 12): aborda as ferramentas essenciais de diagn�stico (Wireshark, iPerf3, comandos nativos de SO), fluxogramas de resolu��o para problemas comuns, an�lise de interfer�ncia e sele��o de canais, otimiza��o de performance com ajustes finos de pot�ncia, roaming e QoS, instala��o f�sica com PoE e cabeamento estruturado, testes de valida��o, aceite formal, documenta��o profissional, monitoramento cont�nuo, auditorias peri�dicas e ciclo de substitui��o de equipamentos. Escrito para o mercado brasileiro, com a regulamenta��o atualizada da Anatel (incluindo as Resolu��es 772 e 773/2025 para a faixa de 6 GHz), materiais de constru��o t�picos do pa�s e cen�rios reais do dia a dia. Cada cap�tulo traz exemplos resolvidos, tabelas de refer�ncia r�pida, checklists pr�ticos e quest�es de reflex�o - para que o conhecimento seja aplicado, n�o apenas lido. B�nus exclusivo: todas as f�rmulas e c�lculos do livro - or�amento de enlace, perda em espa�o livre, expoente de propaga��o, SNR para MCS, raio de cobertura e muito mais - est�o dispon�veis em um sistema iterativo no site oficial do livro. O leitor pode inserir seus pr�prios valores e visualizar os resultados em tempo real, transformando a teoria em pr�tica imediata sem planilhas ou calculadoras manuais.• Author(s): Clear | James • Publisher: Penguin • Publisher Imprint: Penguin Random House • Subject: General Books
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