A method (1300, 1400) of wireless communication, comprising: determining, by a first wireless communication device, a time-frequency positioning reference signal, PRS, pattern based at least in part on a narrowband communication frequency band configuration and a PRS subframe configuration mode associated with a set of subframes, wherein the narrowband communication frequency band configuration indicates at least one of a guard band of a wideband communication frequency band, an in-band frequency band within the wideband communication frequency band, or a standalone frequency band independent of the wideband communication frequency band; and wherein the PRS subframe configuration mode is a mode of indicating PRS subframes within the set of subframes; and communicating, by the first wireless communication device with a second wireless communication device, a plurality of PRSs using the determined PRS time-frequency pattern in the set of subframes, wherein each subframe of the set of subframes includes a plurality of frequency tones in a plurality of symbols, and wherein the time-frequency PRS pattern includes time-frequency resources in a subset of the plurality of frequency tones in a subset of the plurality of symbols, characterized in that the PRS subframe configuration mode indicates at least one of a first configuration or a second configuration, the first configuration including a bitmap indicating a set of PRS subframes positioned within a group of contiguous subframes, the bitmap including a length corresponding to a number of subframes in the group of contiguous subframes, and the second configuration indicating a subset of the group of contiguous subframes by including at least one of a starting subframe for the subset, a number of subframes in the subset, or a periodicity of the subset. determining, by a first wireless communication device, a time-frequency positioning reference signal, PRS, pattern based at least in part on a narrowband communication frequency band configuration and a PRS subframe configuration mode associated with a set of subframes, wherein the narrowband communication frequency band configuration indicates at least one of a guard band of a wideband communication frequency band, an in-band frequency band within the wideband communication frequency band, or a standalone frequency band independent of the wideband communication frequency band; and wherein the PRS subframe configuration mode is a mode of indicating PRS subframes within the set of subframes; and wherein the narrowband communication frequency band configuration indicates at least one of a guard band of a wideband communication frequency band, an in-band frequency band within the wideband communication frequency band, or a standalone frequency band independent of the wideband communication frequency band; and wherein the PRS subframe configuration mode is a mode of indicating PRS subframes within the set of subframes; and communicating, by the first wireless communication device with a second wireless communication device, a plurality of PRSs using the determined PRS time-frequency pattern in the set of subframes, wherein each subframe of the set of subframes includes a plurality of frequency tones in a plurality of symbols, and wherein the time-frequency PRS pattern includes time-frequency resources in a subset of the plurality of frequency tones in a subset of the plurality of symbols, the first configuration including a bitmap indicating a set of PRS subframes positioned within a group of contiguous subframes, the bitmap including a length corresponding to a number of subframes in the group of contiguous subframes, and the second configuration indicating a subset of the group of contiguous subframes by including at least one of a starting subframe for the subset, a number of subframes in the subset, or a periodicity of the subset.