A Network Algorithm for 3D/2D IPTV Distribution using WiMAX and WLAN Technologies

The final publication is available at link.springer.comThe appearance of new broadband wireless technologies jointly with the ability to offer enough quality of service to provide IPTV over them, have made possible the mobility and ubiquity of any type of device to access the IPTV network. The minimum bandwidth required in the access network to provide appropriate quality 3D/2D IPTV services jointly with the need to guarantee the Quality of Experience (QoE) to the end user, makes the need of algorithms that should be able to combine different wireless standards and technologies. In this paper, we propose a network algorithm that manages the IPTV access network and decides which type of wireless technology the customers should connect with when using multiband devices, depending on the requirements of the IPTV client device, the available networks, and some network parameters (such as the number of loss packets and packet delay), to provide the maximum QoE to the customer. The measurements taken in a real environment from several wireless networks allow us to know the performance of the proposed system when it selects each one of them. The measurements taken from a test bench demonstrate the success of our system.This work has been partially supported by the Polytechnic University of Valencia, though the PAID-15-10 multidisciplinary projects, by the Instituto de Telecomunicacoes, Next Generation Networks and Applications Group (NetGNA), Portugal, and by National Funding from the FCT - Fundacao para a Ciencia e a Tecnologia through the PEst-OE/EEI/LA0008/2011 Project.Lloret, J.; Cánovas Solbes, A.; Rodrigues, JJPC.; Lin, K. (2013). A Network Algorithm for 3D/2D IPTV Distribution using WiMAX and WLAN Technologies. Multimedia Tools and Applications. 67(1):7-30. https://doi.org/10.1007/s11042-011-0929-4S730671Abukharis S, MacKenzie R, Farrell TO (2009) Improving QoS of Video Transmitted Over 802.11 WLANs Using Frame Aggregation. 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Simulación y evaluación de una arquitectura IPTV de video en tiempo real, mediante software libre.

El objetivo de este proyecto fue evaluar las principales características en el servicio de contenidos de televisión y video por demanda, a través de la simulación de una arquitectura IPTV mediante software libre. Se identificaron los parámetros a nivel de red que afectan la QoS como: Delay, variación del retardo (jitter), pérdida de paquetes, ancho de banda, así como también el tipo de protocolo (RTSP y HTTP) utilizado para la transmisión del servicio, a nivel de usuario estos parámetros afectan en la visualización del video. Para la simulación se utilizó dos escenarios: el primero una red Multicasting con tecnología GPON, el segundo una red Multicasting con tecnología ADSL mediante el software libre Opnet Modeler que ahora se conoce como River Modeler, y el software GNS3. De los resultados obtenidos se tiene que la arquitectura IPTV Multicast con GPON es mucho más eficiente que una arquitectura IPTV Multicast con ADSL, ya que a más de ser un medio confiable y seguro brinda mayor velocidad de transmisión alcanzando los 1.2 Gbps en un enlace ascendente y los 2.4 Gbps en un enlace descendente, tiene un menor delay lo que indica que la visualización del contenido multimedia es más fluido y eficiente, permite una mayor cantidad de paquetes enviados y recibidos. Además, se puede concluir que el protocolo HTTP presentó un mejor desempeño en comparación a RSTP, ya que mostró menores perdidas y menor retardo.The objetive of this project was to evaluate the main features in the televisión and video content service on demand, through the simulation of an IPTV architecture through free sotware. We identified the parameters at the network level that affect the QoS such as: Delay, variation of the delay (jitter), packet loss, bandwidth, as well as the type of protocol (RTSP and HTTP) used for the transmisión of the service, at the user level, these parameters affect the video display. Fort he simulation, two scenarios were carried out: the first a Multicasting network with GPON technology, the second a Multicasting network with ADSL technology using the free software Opnet Modeler that is now known as River Modeler, and the GNS3 software. From the results obtained, the IPTV Multicast architecture with GPON is much more efficient than an IPTV Multicast architecture with ADSL, since besides being a reliable and secure means it provides a higher transmisión speed reaching 1.2 Gbps in an uplink and the 2.4 Gbps in a downlink, has a lower delay wich indicates that the visualization of multimedia content is more fluid and efficient, allows a greater number of packets sent and received. In addition, it can be concluded that the HTTP protocol presented a better performance in comparison to RSTP, since it showed lower losses and lower delay

Simulación y evaluación de una arquitectura IPTV de video en tiempo real, mediante software libre.

El objetivo de este proyecto fue evaluar las principales características en el servicio de contenidos de televisión y video por demanda, a través de la simulación de una arquitectura IPTV mediante software libre. Se identificaron los parámetros a nivel de red que afectan la QoS como: Delay, variación del retardo (jitter), pérdida de paquetes, ancho de banda, así como también el tipo de protocolo (RTSP y HTTP) utilizado para la transmisión del servicio, a nivel de usuario estos parámetros afectan en la visualización del video. Para la simulación se utilizó dos escenarios: el primero una red Multicasting con tecnología GPON, el segundo una red Multicasting con tecnología ADSL mediante el software libre Opnet Modeler que ahora se conoce como River Modeler, y el software GNS3. De los resultados obtenidos se tiene que la arquitectura IPTV Multicast con GPON es mucho más eficiente que una arquitectura IPTV Multicast con ADSL, ya que a más de ser un medio confiable y seguro brinda mayor velocidad de transmisión alcanzando los 1.2 Gbps en un enlace ascendente y los 2.4 Gbps en un enlace descendente, tiene un menor delay lo que indica que la visualización del contenido multimedia es más fluido y eficiente, permite una mayor cantidad de paquetes enviados y recibidos. Además, se puede concluir que el protocolo HTTP presentó un mejor desempeño en comparación a RSTP, ya que mostró menores perdidas y menor retardo.The objetive of this project was to evaluate the main features in the televisión and video content service on demand, through the simulation of an IPTV architecture through free sotware. We identified the parameters at the network level that affect the QoS such as: Delay, variation of the delay (jitter), packet loss, bandwidth, as well as the type of protocol (RTSP and HTTP) used for the transmisión of the service, at the user level, these parameters affect the video display. Fort he simulation, two scenarios were carried out: the first a Multicasting network with GPON technology, the second a Multicasting network with ADSL technology using the free software Opnet Modeler that is now known as River Modeler, and the GNS3 software. From the results obtained, the IPTV Multicast architecture with GPON is much more efficient than an IPTV Multicast architecture with ADSL, since besides being a reliable and secure means it provides a higher transmisión speed reaching 1.2 Gbps in an uplink and the 2.4 Gbps in a downlink, has a lower delay wich indicates that the visualization of multimedia content is more fluid and efficient, allows a greater number of packets sent and received. In addition, it can be concluded that the HTTP protocol presented a better performance in comparison to RSTP, since it showed lower losses and lower delay