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Mobile TV can be seen on a wise or 3G mobile phone, such as the LG Vu or Samsung SCH u620 mobile phone. Both AT&T Wireless and also Verizon Wireless provide mobile TELEVISION solutions. For Verizon, it is VCAST TELEVISION as well as for AT&T, it is AT&T Mobile TV. Both AT&T and also Verizon Mobile TV use MediaFLO technologies from Qualcomm to broadcast the VHF (719 MHz Center regularity) digital TV signals to the cellphones. Mobile TELEVISION service from different service provider bundle different set of TELEVISION channels in its program (in the series of 10 to 12 TV networks in a standard plan).

Mobile TV solution does not utilize the cellphone network to transfer the TELEVISION signals. Rather, it makes use of a separate network to distribute, send as well as relay the TV signals to the cellphones. It just uses the cellphone network to supply interactivity and customer consent with the TV provider. Because the 3G cellphone network from AT&T and Verizon are both qualified to lug IP traffic, it seems to be noticeable that the simplest execution for mobile TELEVISION is utilizing IPTV. An example is AT&T currently using IPTV in its U-verse service (net, phone and TELEVISION).

To comprehend why mobile TV does not utilize IPTV, the unicast nature of the mobile phone network needs to be explained. The existing 3G (UMTS, EVDO) smart phone network are designed to bring unicast web traffic just, i.e. point to factor link requires to be establish between the customer and the Media server in order for the network to supply the TELEVISION web traffic to the smart phone. Considering that TELEVISION is a program solution, i.e. a point to multipoint connection is required for mobile TV solution. To execute indicate multipoint link, the mobile phone network requires to establish an IP link in between the Media server as well as each mobile user receiving the broadcast at the same time. These many connections will quickly overrun the cccam serverĀ  ability of the mobile phone network and also blocks other voice and also information web traffic that requires to use the network.

For mobile TELEVISION to use IPTV, the IP multicast attribute needs to be carried out on the smart phone network. Multicasting is the technique of transferring a single video clip signal all at once to several end individuals. All visitors obtain the exact same signal at the same time yet there are no different streams (links) for each recipient. IP multicast is commonly made use of in the delivery of program TELEVISION solutions over IP networks. It dramatically minimizes the quantity of transmission capacity required to send premium quality IPTV material across a network. This is because only a solitary copy of every video stream requires to be sent out to a router, which consequently makes a duplicate of that stream for the requesting devices. Not just does multicast decrease the transmission capacity demands of the network however the processing power of the Media server can likewise be kept relatively low due to the fact that it just transmits one duplicate of an IPTV stream at once.

Although the existing 3G mobile network from AT&T as well as Verizon does not have IP multicast, nevertheless, the next 3G mobile network upgrade from both service providers might consist of the IP multicast attribute. For AT&T Wireless, the next network upgrade will certainly be HSPA (Broadband Package Access) which supports the MBMS (Multimedia Program Multicast Provider) function. For Verizon Wireless, the following upgrade will be EVDO Rev A which sustains the BCMCS (Program and also Multicast Solutions) feature. Therefore, the future mobile TELEVISION service from both AT&T Wireless as well as Verizon Wireless may use IPTV application.

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