Patent ID: 6891853

Claim:
A method for increasing a size of a frame of digital data from a first number of original symbols (L) to a second number of symbols (N), where the digital data comprising the frame is ordered from a first bit to an Lth symbol, the method comprising the steps of: (a) Receiving the frame; (b) Storing in a digital memory a first integer number (M) of copies of each of a first group of the original symbols, where M is greater than 1; (c) Storing in the digital memory at least one copy of each of a second group of the original symbols; (d) Further processing the symbols stored in the digital memory according to steps (b) and (c) in a digital communications system; wherein the frame consists of the first group and the second group and the first group and the second group are mutually exclusive; and wherein steps (b) and (c) are performed such that the total number of symbols copied to the digital memory in steps (b) and (c) is equal to N.