1. A method of providing a modulated signal useable in a signal transmission system, the method comprising: transforming, by a processor, a data frame including a plurality of data elements into a transformed data matrix having a plurality of transformed data elements wherein ones of the plurality of transformed data elements are based upon multiple ones of the plurality of data elements and wherein the transforming includes transforming ones of the plurality of data elements with respect to both time and frequency; and generating, by a transmitter, the modulated signal in accordance with the transformed data elements of the transformed data matrix.