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Author:Uljas, Matti
Title:Performance Study of Local Area Network Devices in IPTV Use
Tutkimus lähiverkon laitteiden suorituskyvystä IPTV käytössä
Publication type:Master's thesis
Publication year:2010
Pages:xi + 74 s. + liitt. 3      Language:   eng
Department/School:Signaalinkäsittelyn ja akustiikan laitos
Main subject:Signaalinkäsittelytekniikka   (S-88)
Supervisor:Wichman, Risto
Instructor:Hela-Aro, Jari-Pekka
Electronic version URL: http://urn.fi/URN:NBN:fi:aalto-201203131525
OEVS:
Electronic archive copy is available via Aalto Thesis Database.
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Location:P1 Ark Aalto  1711   | Archive
Keywords:IPTV
WLAN
Multicast
IGMP
LAN
Abstract (eng): This thesis includes a study of alternative ways to build a fast LAN without Ethernet ca-bles into a common household.
The main focus is in the WLAN products but also one product that uses power lines and one product that uses antenna cables to transmit information are included in the study.
The purpose is to find out the performance limits of the devices and study their usability especially for the IPTV signal transmission.
The devices should be able to create a high performance and reliable connection which should cover a common household.

Fast Internet connections are becoming more and more common.
This gives the Internet service providers possibilities to offer new services to the customers.
For example, they can relay phone calls, television channels or rented videos to the customers via the Inter-net connections.
This means that the customers have to connect not only their computers to the Internet but also their phone and televisions as well.
This problem can be solved with the Ethernet cables but in many case it is not the most aesthetic solution.

The devices performance is studied with the series of tests that measures their capabilities to transmit information while using different transmission protocols and paths.
The purpose is to find out the possible trouble spots and to find the explanations to them.
The final goal is to name the devices which can be used to transmit IPTV signals.
Abstract (fin): Tässä diplomityössä tutkitaan vaihtoehtoisia tapoja ethernet -kaapeleille suorituskykyisen LAN -verkon rakentamiseen kotitalouksissa.
Tarkastelun pääpaino on WLAN -laitteissa, mutta mukaan on otettu myös yksi sähköjohtoa ja yksi antennikaapelia siirtotienään käyttävää laitetta.
Tarkoituksena on selvittää laitteiden suorituskyvyn rajat ja tutkia niiden sopivuutta erityisesti IPTV -signaalin välittämiseen.
Laitteiden olisi pystyttävä luomaan suorituskykyinen ja ennen kaikkea luotettava yhteys, mikä kattaa keskivertokokoisen huoneiston.

Nopeat internetyhteydet yleistyvät ja tuovat tullessaan uusia mahdollisuuksia palvelujen tarjoajille.
Ne pystyvät tarjoamaan asiakkailleen uusia palveluja, kuten internetvälitteisiä puheluja, televisiokanavia ja videovuokrausta.
Uusien palveluiden täysimittaiseen hyödyntämiseen ei enää riitä se, että internetyhteys tuodaan vain tietokoneeseen.
Myös televisio ja puhelin pitäisi saada yhdistettyä internetiin.
Ongelma voidaan ratkaista ethernet -kaapeleiden avulla, mutta kaapeleiden asentaminen pitkin huoneistoa ei ole aina se esteettisin ratkaisu.

Laitteiden suorituskykyä tutkitaan mittaamalla niiden tiedonsiirtonopeuksia eri protokollien ja siirtoteiden kanssa.
Tarkoituksena on kartoittaa mahdollisia ongelma-alueita ja pohtia niiden syitä.
Lopullisena päämääränä on nimetä testatuista laitteista ne, jotka soveltuvat IPTV -signaalien siirtämiseen.
ED:2010-08-23
INSSI record number: 40213
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