MediaFLO – Media Forward Link Only
MediaFLO was a system designed by Qualcomm specifically for the transmission of digital TV to a mobile user. Content streams were delivered to a NOC (Network Operations Centre) via a satellite or IP feed in an MPEG-2 format. The encoded data was then delivered to networks of FLO ( Forward Link Only) transmitters using multiplexed links. At the FLO transmitters, the upper layer data streams (H.264 video, MPEG-4 Advanced Audio Coding etc.) are multiplexed into one logical channel and transmitted, using a combination of TDM (Time Division Multiplexing)and OFDM. MediaFLO used multicasting and also required a 3G network for provision of interactive services. The service was discontinued in 2011.
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