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Mobile TV has transitioned from analogue portable receivers and dubious reception quality to sleek digital mobile handsets offering significantly enhanced picture quality. Mobile TV is undergoing a further evolution from streamed services over cellular networks, both 2.5G and 3G, to separate broadcast networks that will support digital TV specifically designed for mobile devices. The debate in the industry is whether this transition will be a smooth one and if there is an inherent demand amongst the end users to justify the investments in separate Mobile TV networks. Mobile TV is usually referred to as live simulcast TV on mobile devices that provides the same content as seen on regular satellite, digital or cable TV at home. But the term also encompasses on-demand video or short clips that a user could download or that could be broadcast to a large number of users. Mobile TV is defined as a live, pre-recorded or custom made version of content that is available on regular TV.

Juniper Research splits out mobile TV services and revenue into the following sub-categories: Mobile streamed TV services; and, Mobile broadcast TV services.

Mobile Streamed TV
This is the most common form of mobile TV at present. It uses the existing 2G/2.5G or 3G networks to stream TV content to mobile handsets. There are however two kinds of streamed mobile TV. The first and the most prevalent one is unicast streaming, which is a individual stream to every user.

Mobile Broadcast TV
These technologies include DVB-H (the European-developed of which Nokia is perhaps the most prominent supporter), DVB-SH (developed and endorsed by Alcatel), the Korean DMB standards, DAB-IP (introduced by BT Movio but shortly to be discontinued), Japan’s ISDB-T, Qualcomm’s MediaFLO and China’s STiMi. Technically there are a number of differences between the various standards, such channel capacity, channel bandwidth, modulation technique and FFT size.

Combining the value of revenues from end-users of streaming and broadcast mobile TV services will raise from $1.4 billion in 2007 to $12 billion in 2012. However, due to the slower than expected deployment of mobile broadcast TV services in some key markets, projections show the broadcast TV revenues from end-users will overhaul those from streamed services until 2012.
 
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