A method, comprising: performing joint encoding of a plurality of information bits to generate a plurality of encoded bits; and processing the plurality of encoded bits by interleaving and tone mapping the encoded bits with respect to a plurality of resource units, in the following also referred to as RUs, on an aggregate-RU basis to generate a plurality of processed bits, wherein the processing of the plurality of encoded bits comprises interleaving and tone mapping the encoded bits on the aggregate-RU basis by: interleaving, by an interleaver, the plurality of encoded bits with respect to an aggregate of the plurality of RUs to provide a plurality of interleaved bits; and tone mapping, by a tone mapper, the plurality of interleaved bits with respect to the aggregate of the plurality of RUs to provide the plurality of processed bits, characterized in that the tone mapping of the plurality of interleaved bits comprises tone mapping, by the tone mapper, the plurality of interleaved bits with respect to at least two different sizes of RUs with corresponding one or more tone mapper parameters, wherein: when the at least two different sizes of RUs comprise a 106-tone RU and a 26-tone RU, the one or more tone mapper parameters comprise a distance between tones being 6, or when the at least two different sizes of RUs comprise a 484-tone RU and a 242-tone RU, the one or more tone mapper parameters comprise a distance between tones being 18; and/or the interleaving of the plurality of encoded bits comprises interleaving, by the interleaver, the plurality of encoded bits with respect to at least two different sizes of RUs with corresponding one or more interleaver parameters, wherein when the at least two different sizes of RUs comprise a 26-tone RU and a 106-tone RU for a total of 132 data subcarriers, the one or more interleaver parameters comprise a number of interleaver matrix columns being 21 and a number of interleaver matrix rows being a multiple of 6. performing joint encoding of a plurality of information bits to generate a plurality of encoded bits; and processing the plurality of encoded bits by interleaving and tone mapping the encoded bits with respect to a plurality of resource units, in the following also referred to as RUs, on an aggregate-RU basis to generate a plurality of processed bits, wherein the processing of the plurality of encoded bits comprises interleaving and tone mapping the encoded bits on the aggregate-RU basis by: interleaving, by an interleaver, the plurality of encoded bits with respect to an aggregate of the plurality of RUs to provide a plurality of interleaved bits; and tone mapping, by a tone mapper, the plurality of interleaved bits with respect to the aggregate of the plurality of RUs to provide the plurality of processed bits, interleaving, by an interleaver, the plurality of encoded bits with respect to an aggregate of the plurality of RUs to provide a plurality of interleaved bits; and tone mapping, by a tone mapper, the plurality of interleaved bits with respect to the aggregate of the plurality of RUs to provide the plurality of processed bits, characterized in that the tone mapping of the plurality of interleaved bits comprises tone mapping, by the tone mapper, the plurality of interleaved bits with respect to at least two different sizes of RUs with corresponding one or more tone mapper parameters, wherein: when the at least two different sizes of RUs comprise a 106-tone RU and a 26-tone RU, the one or more tone mapper parameters comprise a distance between tones being 6, or when the at least two different sizes of RUs comprise a 484-tone RU and a 242-tone RU, the one or more tone mapper parameters comprise a distance between tones being 18; and/or when the at least two different sizes of RUs comprise a 106-tone RU and a 26-tone RU, the one or more tone mapper parameters comprise a distance between tones being 6, or when the at least two different sizes of RUs comprise a 484-tone RU and a 242-tone RU, the one or more tone mapper parameters comprise a distance between tones being 18; and/or the interleaving of the plurality of encoded bits comprises interleaving, by the interleaver, the plurality of encoded bits with respect to at least two different sizes of RUs with corresponding one or more interleaver parameters, wherein when the at least two different sizes of RUs comprise a 26-tone RU and a 106-tone RU for a total of 132 data subcarriers, the one or more interleaver parameters comprise a number of interleaver matrix columns being 21 and a number of interleaver matrix rows being a multiple of 6.