the efficiency of sending them back to TV station play a
very important role, which will determine the audience
measurement and directly impact to advertising revenues.
Traditionally, TV companies use vehicle of SNG to provide
audience with live news event in nation territory. The LNR
service from SNG can deliver both of high-quality and realtime
video streaming to audience, but the cost of SNG service
is much expensive. As shown in Table I. the setup cost and
transmission channel lease of SNG are much more expensive
than those of e-SNG. Several SNG devices such as highpower
amplifier, satellite dish antenna, and up/down
converters which e-SNG does not need to deploy. Then, SNG
cost much more money to provide LNR services. The
components of e-SNG are simple shown in Figure 4.