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A GFDM modulation scheme that circumvents the singularity issue of the GFDM transformation matrix is presented. The coefficients used for the pulse shaping filter are derived from the prototype filter depending on the parity of the subsymbols. The proposed pulse shaping filter design makes it possible to have a non-singular transformation matrix for the arbitrary number of subsymbols and/or subcarriers in the sparse frequency-domain GFDM modulation.