Patent number 8625474 is assigned to
The following quote was obtained by the news editors from the background information supplied by the inventors: "The continued development and implementation of wireless communications systems has made it possible to transmit a large amount of data over a radio frequency (RF) air interface. There are a number of technologies that can be used to broadcast video and other programming from a central location to a receiver device. Forward
"The FLO methodology has been improved to increase bandwidth and data carrying capability. The enhanced FLO system is referred to as FLO-EV. The enhanced FLO-EV system introduced additional physical layer transmit modes and allows additional services and capacity to be carried on the FLO network. In addition, it is also possible to increase the bandwidth of such networks by using multiple radio frequency (RF) channels over which to transport the FLO and the FLO-EV data.
"As used herein the term FLO transmitter and FLO receiver refers to transmitters and receivers that are compliant with Revisions 0 and A of TIA-1099. The term FLO-EV and FLO-EV receiver refers to transmitters and receivers that are compliant with Revision B of TIA 1099. In particular, a FLO-EV multicast logical channel (MLC) is an MLC that is compliant with Revision B of TIA 1099, but not compliant with earlier releases. A FLO-EV MLC is either a physical layer type 2 (PHY Type 2) MLC that is encoded with a turbo code that spans the bits in the 4 frames of a superframe, or a physical layer type 1 (PHY Type 1) MLC that is encoded similarly to Rev A of TIA-1099 but that has a different trailer and OIS (overhead information symbol) location record structure to allow a larger peak rate on the MLC.
"However, the physical layer coding structure of FLO-EV is different from that of FLO, thereby introducing challenges when attempting to receive both FLO and FLO-EV data in a single device.
"Therefore, it would be desirable to allow both FLO and FLO-EV data to be received and decoded by the same device."
In addition to the background information obtained for this patent, VerticalNews journalists also obtained the inventors' summary information for this patent: "Embodiments of the invention include a system for receiving data, comprising a receiver configured to receive a radio frequency communication signal comprising at least one superframe, the at least one superframe having at least a first data stream and a second data stream encoded therein, wherein the receiver decodes at least one of the first data stream and the second data stream.
"Other embodiments are also provided. Other systems, methods, features, and advantages of the invention will be or become apparent to one with skill in the art upon examination of the following figures and detailed description. It is intended that all such additional systems, methods, features, and advantages be included within this description, be within the scope of the invention, and be protected by the accompanying claims."
URL and more information on this patent, see: Krishnamoorthi, Raghuraman; Mukkavilli,
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