1. A method for generation of a reference sequence for wireless communication, comprising: generating a reference sequence in frequency domain; generating cyclic time shifts for a time domain transform of the frequency domain reference sequence by generating a phase ramp sequence; using a lookup table to retrieve the frequency domain reference sequence and time domain transform of the reference sequence in response to a length for the reference sequence being less than a threshold; using an on-time recursive sequence generator to generate the frequency domain reference sequence and time domain transform of the reference sequence in response to the length for the reference sequence being equal to or greater than the threshold; and processing a communication signal using the frequency domain reference sequence and time domain transform of the reference sequence.