Qualcomm-ның MediaFLO технологиясы: Тарихы мен тоқтатылуы

Media transmission technology developed by Qualcomm

MediaFLO was a technology developed by Qualcomm for transmitting audio, video and data to portable devices such as mobile phones and personal televisions, used for mobile television. In the United States, the service powered by this technology was branded as FLO TV. Broadcast data transmitted via MediaFLO includes live, real time audio and video streams, as well as scheduled video and audio clips and shows. The technology could also carry Internet Protocol datacast application data, such as stock market quotes, sports scores, and weather reports. In October 2010, Qualcomm announced it was suspending new sales of the service to consumers. In December 2010, AT&T announced that it will purchase Qualcomm's FCC licenses in the 700 MHz band. FLO TV discontinued service on March 27, 2011.

The "FLO" in MediaFLO stood for Forward Link Only, meaning that the data transmission path is one way, from the tower to the device. The MediaFLO system transmitted data on a frequency separate from the frequencies used by current mobile telephone networks. In the United States, the MediaFLO system used frequency spectrum 716 722 MHz, which had previously been allocated to UHF TV channel 55.01Nov2004 Qualcomm press release regarding 700 MHz spectrum usage for MediaFLO

FLO was standardized within ETSI as TS 102 589, and has components standardized within the Telecommunications Industry Association (TIA 1099, 1102, 1103, 1104, 1120, 1130, 1132, 1146 and 1178.) MediaFLO was a competitor to the Korean T DMB, the Japanese 1seg and the European DVB H standards. Qualcomm conducted MediaFLO technical trials internationally, with the intention of forming partnerships with existing multi channel content providers and service operators, but has since discontinued development.

Some trials were underway in Japan, Hong Kong and Taiwan, with no commitment for a commercial phase. In France, Qualcomm tried unsuccessfully to convince TDF to choose MediaFLO technology. In the UK, British Sky Broadcasting conducted trials of MediaFLO in 2006.

Devices featuring MediaFLO were introduced by LG and Samsung at CES 2006 in Las Vegas. On December 1, 2005 Verizon Wireless and Qualcomm announced a partnership for the launch of the MediaFLO network. Verizon launched the service commercially as part of its VCAST offering on March 1, 2007, marketing the MediaFLO specific technology/service as "VCAST TV". A similar announcement was made by AT&T Mobility in February 2007. AT&T Mobility launched their MediaFLO service on May 4, 2008. The first non phone TV only devices were released in late 2009. FLO TV was first offered on certain wireless phones offered by Verizon Wireless and AT&T Wireless. In November 2009 FLO TV introduced the FLO TV Personal Television mobile device (model PTV 350).

On July 21, 2010, Qualcomm CEO Paul Jacobs said the company planned to either sell its MediaFLO business or its spectrum, or to find a partner. The company had predicted the total cost to launch the service would be $800 million, including the $683 million the San Diego Union Tribune says Qualcomm paid for the spectrum. At the time, the service covered as many as 68 million people, but many analysts confirmed that the project was losing money. On October 5, 2010, Qualcomm signaled the end of the FloTV service by declaring that there would be no further sales of devices to consumers. Qualcomm indicated the service would be up and running through at least Spring 2011 but could be turned off at any point thereafter. The company said that the MediaFLO spectrum could be used for electronic magazines or newspapers, though such services could be offered alongside the existing broadcast channels. Qualcomm had even reached out to software developers for possible solutions. On December 20, 2010, AT&T announced that it would purchase Qualcomm's FCC licenses in the 700 MHz band and that FLO TV service would be shut down on March 27, 2011. Qualcomm received $1.93 billion. Despite spending $132 million in the previous quarter on bolstering FLO TV, Qualcomm still made a profit on the sale, as it had originally paid $38 million for the former channel 55 and $558 million for the former channel 56.