An?lise de desempenho de redes TCP sem fio
Autor(a) principal: | |
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Data de Publicação: | 2006 |
Tipo de documento: | Dissertação |
Idioma: | por |
Título da fonte: | Biblioteca Digital de Teses e Dissertações da INATEL |
Texto Completo: | http://tede.inatel.br:8080/tede/handle/tede/54 |
Resumo: | Abstract The TCP/IP networks were designed considering the use of wired media. Although, the huge growth of the Internet together with the growth of the wireless transmissions caused the need of insertion of TCP in this new scenario. As some of the wireless networks characteristics are harmful to the standard TCP, as the higher bit error rates, the intermittent signal loss between the wireless link ends, the bandwidth asymmetry between wireless uplink and downlink and the long propagation delays in the case of the satellite links, much effort was done to adapt TCP to this new environment. The objective of this dissertation is to present some of the solutions found in the literature developed to decrease the impact of those characteristics inherent to wireless networks in the TCP performance. Besides, concerning the higher bit error rates problem, to develop an analytical model able to estimate the TCP performance when the solution to improve its performance is the use of Stop-and-Wait ARQ (Automatic Repeat Request), Go-Back-N ARQ and FEC (Forward Error Correction) error control mechanisms. In this model, adaptive systems, in what signal strength estimative is available, and non-adaptive systems are considered. With this model, we are going to analyze networks with cellular links and satellite links characteristics. |
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Brito, Jos? Marcos Camara495.450.866-53http://lattes.cnpq.br/0370383210890132Brito, Jos? Marcos Camara495.450.866-53http://lattes.cnpq.br/0370383210890132Alberti, Ant?nio Marcos745.931.960-00http://lattes.cnpq.br/8623512462352869Garcia, Anilton Salleshttp://lattes.cnpq.br/1029501009628001Pinto, Bruno Couto Costa2016-09-19T19:41:03Z2006-08-14Pinto, Bruno Couto Costa. An?lise de desempenho de redes TCP sem fio. 2006. [129]. disserta??o( Mestrado em Engenharia de Telecomunica??es) - Instituto Nacional de Telecomunica??es, [Santa Rita do Sapuca?] .http://tede.inatel.br:8080/tede/handle/tede/54Abstract The TCP/IP networks were designed considering the use of wired media. Although, the huge growth of the Internet together with the growth of the wireless transmissions caused the need of insertion of TCP in this new scenario. As some of the wireless networks characteristics are harmful to the standard TCP, as the higher bit error rates, the intermittent signal loss between the wireless link ends, the bandwidth asymmetry between wireless uplink and downlink and the long propagation delays in the case of the satellite links, much effort was done to adapt TCP to this new environment. The objective of this dissertation is to present some of the solutions found in the literature developed to decrease the impact of those characteristics inherent to wireless networks in the TCP performance. Besides, concerning the higher bit error rates problem, to develop an analytical model able to estimate the TCP performance when the solution to improve its performance is the use of Stop-and-Wait ARQ (Automatic Repeat Request), Go-Back-N ARQ and FEC (Forward Error Correction) error control mechanisms. In this model, adaptive systems, in what signal strength estimative is available, and non-adaptive systems are considered. With this model, we are going to analyze networks with cellular links and satellite links characteristics.Resumo As redes TCP/IP foram concebidas considerando a utiliza??o de meios de transmiss?o com fio. No entanto, com o grande crescimento da Internet e das transmiss?es sem fio, inserir o TCP neste novo cen?rio se tornou uma tarefa necess?ria. Como algumas caracter?sticas das redes sem fio s?o prejudiciais ao TCP padr?o, entre elas as maiores taxas de erro de bit, as perdas intermitentes de sinal entre extremidades do enlace sem fio, assimetria de largura de banda entre os sentidos downlink e uplink do enlace sem fio e os longos atrasos de propaga??o no caso dos enlaces sat?lite, muito esfor?o foi feito no sentido de adapt?-lo a esse novo ambiente. O objetivo desta disserta??o ? apresentar algumas solu??es encontradas na literatura desenvolvidas para amenizar o impacto dessas caracter?sticas inerentes ?s redes sem fio e dessa forma melhorar o desempenho do TCP. Al?m disso, especificamente para o problema das altas taxas de erro de bit, desenvolver um modelo anal?tico capaz de estimar o desempenho do TCP quando a solu??o para melhoria do seu desempenho ? a utiliza??o de mecanismos de controle de erro Stop-and-Wait ARQ (Automatic Repeat reQuest), Go-Back-N ARQ e FEC (Forward Error Correction) no enlace sem fio. Neste modelo ser?o considerados sistemas adaptativos, nos quais uma estimativa da qualidade do canal est? dispon?vel, e sistemas n?o adaptativos. Fazendo uso deste modelo, analisar redes com enlace caracter?stico de uma rede celular e ainda redes com enlace caracter?stico de uma rede sat?lite.Submitted by Tede Dspace (tede@inatel.br) on 2016-09-19T19:41:03Z No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Disserta??o Bruno Couto C. Pinto.pdf: 1585187 bytes, checksum: a4f754bb953b54bc732b5823c1dd3c45 (MD5)Made available in DSpace on 2016-09-19T19:41:03Z (GMT). No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Disserta??o Bruno Couto C. Pinto.pdf: 1585187 bytes, checksum: a4f754bb953b54bc732b5823c1dd3c45 (MD5) Previous issue date: 2006-08-14application/pdfhttp://tede.inatel.br:8080/jspui/retrieve/531/Disserta%c3%a7%c3%a3o%20Bruno%20Couto%20C.%20Pinto.pdf.jpgporInstituto Nacional de Telecomunica??esMestrado em Engenharia de Telecomunica??esINATELBrasilInstituto Nacional de Telecomunica??eshttp://creativecommons.org/licenses/by-nd/4.0/info:eu-repo/semantics/openAccessTCP/IP - transmission control protocolEngenharia - Telecomunica??esAn?lise de desempenho de redes TCP sem fioinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesisreponame:Biblioteca Digital de Teses e Dissertações da INATELinstname:Instituto Nacional de Telecomunicações (INATEL)instacron:INATELLICENSElicense.txtlicense.txttext/plain; charset=utf-8112http://localhost:8080/tede/bitstream/tede/54/1/license.txtc6279291b293f0db82678eaa73a27769MD51CC-LICENSElicense_urllicense_urltext/plain; charset=utf-846http://localhost:8080/tede/bitstream/tede/54/2/license_url587cd8ffae15c8598ed3c46d248a3f38MD52license_textlicense_texttext/html; charset=utf-80http://localhost:8080/tede/bitstream/tede/54/3/license_textd41d8cd98f00b204e9800998ecf8427eMD53license_rdflicense_rdfapplication/rdf+xml; charset=utf-80http://localhost:8080/tede/bitstream/tede/54/4/license_rdfd41d8cd98f00b204e9800998ecf8427eMD54ORIGINALDisserta??o Bruno Couto C. 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dc.title.por.fl_str_mv |
An?lise de desempenho de redes TCP sem fio |
title |
An?lise de desempenho de redes TCP sem fio |
spellingShingle |
An?lise de desempenho de redes TCP sem fio Pinto, Bruno Couto Costa TCP/IP - transmission control protocol Engenharia - Telecomunica??es |
title_short |
An?lise de desempenho de redes TCP sem fio |
title_full |
An?lise de desempenho de redes TCP sem fio |
title_fullStr |
An?lise de desempenho de redes TCP sem fio |
title_full_unstemmed |
An?lise de desempenho de redes TCP sem fio |
title_sort |
An?lise de desempenho de redes TCP sem fio |
author |
Pinto, Bruno Couto Costa |
author_facet |
Pinto, Bruno Couto Costa |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
Brito, Jos? Marcos Camara |
dc.contributor.advisor1ID.fl_str_mv |
495.450.866-53 |
dc.contributor.advisor1Lattes.fl_str_mv |
http://lattes.cnpq.br/0370383210890132 |
dc.contributor.referee1.fl_str_mv |
Brito, Jos? Marcos Camara |
dc.contributor.referee1ID.fl_str_mv |
495.450.866-53 |
dc.contributor.referee1Lattes.fl_str_mv |
http://lattes.cnpq.br/0370383210890132 |
dc.contributor.referee2.fl_str_mv |
Alberti, Ant?nio Marcos |
dc.contributor.referee2ID.fl_str_mv |
745.931.960-00 |
dc.contributor.referee2Lattes.fl_str_mv |
http://lattes.cnpq.br/8623512462352869 |
dc.contributor.referee3.fl_str_mv |
Garcia, Anilton Salles |
dc.contributor.referee3Lattes.fl_str_mv |
http://lattes.cnpq.br/1029501009628001 |
dc.contributor.author.fl_str_mv |
Pinto, Bruno Couto Costa |
contributor_str_mv |
Brito, Jos? Marcos Camara Brito, Jos? Marcos Camara Alberti, Ant?nio Marcos Garcia, Anilton Salles |
dc.subject.por.fl_str_mv |
TCP/IP - transmission control protocol |
topic |
TCP/IP - transmission control protocol Engenharia - Telecomunica??es |
dc.subject.cnpq.fl_str_mv |
Engenharia - Telecomunica??es |
description |
Abstract The TCP/IP networks were designed considering the use of wired media. Although, the huge growth of the Internet together with the growth of the wireless transmissions caused the need of insertion of TCP in this new scenario. As some of the wireless networks characteristics are harmful to the standard TCP, as the higher bit error rates, the intermittent signal loss between the wireless link ends, the bandwidth asymmetry between wireless uplink and downlink and the long propagation delays in the case of the satellite links, much effort was done to adapt TCP to this new environment. The objective of this dissertation is to present some of the solutions found in the literature developed to decrease the impact of those characteristics inherent to wireless networks in the TCP performance. Besides, concerning the higher bit error rates problem, to develop an analytical model able to estimate the TCP performance when the solution to improve its performance is the use of Stop-and-Wait ARQ (Automatic Repeat Request), Go-Back-N ARQ and FEC (Forward Error Correction) error control mechanisms. In this model, adaptive systems, in what signal strength estimative is available, and non-adaptive systems are considered. With this model, we are going to analyze networks with cellular links and satellite links characteristics. |
publishDate |
2006 |
dc.date.issued.fl_str_mv |
2006-08-14 |
dc.date.accessioned.fl_str_mv |
2016-09-19T19:41:03Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/masterThesis |
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masterThesis |
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publishedVersion |
dc.identifier.citation.fl_str_mv |
Pinto, Bruno Couto Costa. An?lise de desempenho de redes TCP sem fio. 2006. [129]. disserta??o( Mestrado em Engenharia de Telecomunica??es) - Instituto Nacional de Telecomunica??es, [Santa Rita do Sapuca?] . |
dc.identifier.uri.fl_str_mv |
http://tede.inatel.br:8080/tede/handle/tede/54 |
identifier_str_mv |
Pinto, Bruno Couto Costa. An?lise de desempenho de redes TCP sem fio. 2006. [129]. disserta??o( Mestrado em Engenharia de Telecomunica??es) - Instituto Nacional de Telecomunica??es, [Santa Rita do Sapuca?] . |
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Instituto Nacional de Telecomunica??es |
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Mestrado em Engenharia de Telecomunica??es |
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Instituto Nacional de Telecomunica??es |
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