A transmitter (200, 250, 260, 1300), comprising: a memory (1308, 1310) configured to store program instructions; and a processor, upon executing the program instructions, configured to: generate a first set of symbols and a second set of symbols, each symbol in the first set of symbols comprising a first plurality of subcarriers and each symbol in the second set of symbols comprising a second plurality of subcarriers, wherein the first set of symbols comprises information about the second set of symbols and the first plurality of subcarriers are a subset of the second plurality of subcarriers; generate a third set of symbols and a fourth set of symbols, each symbol in the third set of symbols comprising a third plurality of subcarriers and each symbol in the fourth set of symbols comprising a fourth plurality of subcarriers, wherein the third set of symbols comprises information about the fourth set of symbols, the third plurality of subcarriers are a subset of the fourth plurality of subcarriers and wherein the third and fourth sets of symbols are configured to be received and decoded by a narrow band receiver independently from the first and second sets of symbols; and generate a data frame comprising the first, second, third, and fourth sets of symbols, wherein a bandwidth of the data frame comprises a first segment including the second plurality of subcarriers and a second segment including the fourth plurality of subcarriers. a memory (1308, 1310) configured to store program instructions; and a processor, upon executing the program instructions, configured to: generate a first set of symbols and a second set of symbols, each symbol in the first set of symbols comprising a first plurality of subcarriers and each symbol in the second set of symbols comprising a second plurality of subcarriers, wherein the first set of symbols comprises information about the second set of symbols and the first plurality of subcarriers are a subset of the second plurality of subcarriers; generate a third set of symbols and a fourth set of symbols, each symbol in the third set of symbols comprising a third plurality of subcarriers and each symbol in the fourth set of symbols comprising a fourth plurality of subcarriers, wherein the third set of symbols comprises information about the fourth set of symbols, the third plurality of subcarriers are a subset of the fourth plurality of subcarriers and wherein the third and fourth sets of symbols are configured to be received and decoded by a narrow band receiver independently from the first and second sets of symbols; and generate a data frame comprising the first, second, third, and fourth sets of symbols, wherein a bandwidth of the data frame comprises a first segment including the second plurality of subcarriers and a second segment including the fourth plurality of subcarriers. generate a first set of symbols and a second set of symbols, each symbol in the first set of symbols comprising a first plurality of subcarriers and each symbol in the second set of symbols comprising a second plurality of subcarriers, wherein the first set of symbols comprises information about the second set of symbols and the first plurality of subcarriers are a subset of the second plurality of subcarriers; generate a third set of symbols and a fourth set of symbols, each symbol in the third set of symbols comprising a third plurality of subcarriers and each symbol in the fourth set of symbols comprising a fourth plurality of subcarriers, wherein the third set of symbols comprises information about the fourth set of symbols, the third plurality of subcarriers are a subset of the fourth plurality of subcarriers and wherein the third and fourth sets of symbols are configured to be received and decoded by a narrow band receiver independently from the first and second sets of symbols; and generate a data frame comprising the first, second, third, and fourth sets of symbols, wherein a bandwidth of the data frame comprises a first segment including the second plurality of subcarriers and a second segment including the fourth plurality of subcarriers.