Mobile TV may be watched on a wise or 3G mobile phone, like the LG Vu or even Samsung SCH u620 wise phone. For Verizon, it’s VCAST TV and also for AT&T, it’s AT&T Mobile TV. The two AT&T and Verizon Mobile TV utilize MediaFLO technology from Qualcomm to broadcast both the VHF (719 MHz Center frequency) electronic TV signals into the mobile telephones. Mobile TV service from other carrier package different collection of TV stations in its own air (at the selection of 10 to 12 TV stations in a simple package) IPTV.
Mobile TV service doesn’t utilize the mobile phone system to transmit the TV signs. On the contrary, it utilizes another system to disperse, broadcast and transmit the TV signs into the mobile phones. It merely utilizes the mobile phone system to give interactivity and user consent with all the TV service provider. Since the 3G mobile phone system from AT&T and Verizon are competent to transmit IP traffic, it is apparently obvious the easiest execution for mobile TV is using IPTV. A fantastic instance is AT&T already with IPTV in its own U-verse service (online, phone and TV).
To realize just why mobile TV doesn’t utilize IPTV, the unicast temperament of the mobile phone system should be clarified. The present 3G (UMTS, EVDO) mobile phone network are all intended to transmit unicast traffic just, i.e. purpose to point connection should be set between an individual and the Media server to allow the system to supply precisely the TV traffic to your mobile phone. To execute indicate Multi Point connection, the mobile phone system should set an IP connection between your Media server along with each mobile user accessing the broadcast simultaneously. These many links will readily inundated the potential for the mobile phone system and cubes additional data and voice traffic that should use the system.
Multicasting is the procedure of distributing one video signal simultaneously to multiple users. All audiences get exactly the exact same signal at exactly the exact same time frame however you can find no different streams (relations) for every single receiver. IP multicast is widely utilised at the delivery of broadcasting TV services over IP networks. It considerably lowers the total amount of bandwidth necessary to transmit top excellent IPTV content over a system. The reason being just a single backup of every video flow should be provided for your router, which consequently produces a backup of this flow for the asking devices. Does Multi-Cast decrease the bandwidth requirements of the system however, also the processing ability of this Media server may likewise be retained relatively low as it merely occupies one copy of a IPTV flow at one moment.
Even though present 3G mobile system from AT&T and Verizon doesn’t possess
multicast, but the following 3G mobile system upgrade out of both carriers could incorporate the IP multicast feature. Thus, the long run mobile TV service out of the AT&T Wireless and Verizon Wireless can utilize IPTV implementation.
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