Patent ID: 8681836
Filing Date: 2014-03-25
Classification: H04B

Abstract:
1. A method of receiving, processing, and retransmitting an input signal containing mobile/handheld (M/H) data received in an M/H frame equivalent in size to 20 VSB data frames, wherein each VSB frame contains an odd VSB field and an even VSB field, wherein each of the VSB fields includes one field sync segment and 312 data segments, wherein the M/H frame includes main data and M/H data, and wherein the M/H data has more robust coding than the main data, the method comprising: receiving and demodulating the input signal to produce an MPEG transport steam; finding frame registration so as to find data and field syncs in the MPEG transport steam; synchronizing a trellis reset at a beginning of a mobile training data sequence to produce trellis encoded data having output levels that are set to predetermined levels; VSB modulating all of the MPEG transport stream, adding the field syncs to the modulated data to reconstruct the M/H frame, and upconverting the M/H frame to an RF output signal; and, retransmitting the RF output signal.