Patent ID: 8908718
Filing Date: 2014-12-09
Classification: H04L

Abstract:
1. A method for processing content at a service provider head end system, the method comprising: receiving incoming data associated with a plurality of signals to be output by the service provider head end system; mapping the incoming data to a plurality of symbols, each symbol comprising a plurality of data bits that represent an in-phase portion and a quadrature phase portion of a respective signal included in the plurality of signals; mapping the respective plurality of data bits for each symbol to at least one data register; providing the contents of the at least one register to one or more digital-to-analog converters to facilitate a direct radio frequency synthesis; providing the output of the one or more digital-to-analog converters to one or more electro-optic conversion devices configured to output a downstream data signal, identifying a symbol rate associated with the outputted downstream data signal; determining a respective number of data bits to be allocated to each symbol; identifying a sample time associated with the one or more electro-optic conversion devices; and determining, based at least in part upon the symbol rate, the sample time, a modulation technique and a bandwidth of the outputted downstream data signal, a size of the at least one data register, wherein the above operations are performed by one or more computing devices associated with the service provider head end system.