For Verizon, it is VCAST TELEVISION and also for AT&T, it is AT&T Mobile TELEVISION. Both AT&T and Verizon Mobile TELEVISION use MediaFLO technologies from Qualcomm to transmit the VHF (719 MHz Facility regularity) electronic TV signals to the mobile phones. Mobile TV solution from various service provider bundle various set of TELEVISION networks in its broadcast (in the variety of 10 to 12 TELEVISION channels in a basic bundle).

Mobile TELEVISION solution does not utilize the smart phone network to transfer the TV signals. Instead, it utilizes a separate network to disperse, transmit and also transmit the TELEVISION signals to the mobile phones. It just makes use of the mobile phone network to offer interactivity and also user authorization with the TELEVISION service provider. Since the 3G smart phone network from AT&T as well as Verizon are both capable to bring IP website traffic, it appears to be obvious that the most basic implementation for mobile TELEVISION is utilizing IPTV. A good example is AT&T already making use of IPTV in its U-verse service (net, phone and also TV).

To understand why mobile TV does not make use of IPTV, the unicast nature of the cellphone network needs to be clarified. The current 3G (UMTS, EVDO) mobile phone network are designed to bring unicast traffic only, i.e. indicate point link requires to be develop in between the user and also the Media server in order for the network to deliver the TV website traffic to the smart phone. Considering that TV is a program service, i.e. a point to multipoint connection is needed for mobile TELEVISION solution. To execute indicate multipoint link, the cellphone network needs to establish an IP connection between the Media web server and also each mobile customer obtaining the broadcast concurrently. These numerous links will quickly overwhelm the ability of the cellphone network as well as blocks other voice and also data website traffic that needs to utilize the network.

For mobile TV to make use of IPTV, the IP multicast feature requires to be applied on the mobile phone network. Multicasting is the method of sending a solitary video clip signal simultaneously to numerous end individuals. All visitors get the very same signal at the exact same time yet there are no separate streams (links) for every recipient. IP multicast is widely made use of in the distribution of broadcast TV solutions over IP networks. It considerably decreases the quantity of transmission capacity called for to transfer high quality IPTV material across a network. This is because only a single copy of every video stream needs to be sent out cccam server to a router, which consequently makes a copy of that stream for the requesting gadgets. Not just does multicast reduce the transmission capacity demands of the network however the handling power of the Media web server can likewise be kept relatively low since it only sends one copy of an IPTV stream at a time.

Although the current 3G mobile network from AT&T as well as Verizon does not have IP multicast, nonetheless, the next 3G mobile network upgrade from both service providers might include the IP multicast attribute. For AT&T Wireless, the next network upgrade will certainly be HSPA (Broadband Package Accessibility) which sustains the MBMS (Multimedia Broadcast Multicast Solutions) feature. For Verizon Wireless, the following upgrade will be EVDO Rev A which sustains the BCMCS (Program and also Multicast Services) attribute. Therefore, the future mobile TV service from both AT&T Wireless and Verizon Wireless might make use of IPTV implementation.