Methods and systems are disclosed herein that may be used to share transmit-power information between mobile stations. An exemplary method involves a first mobile station: (i) determining a verified transmit power (VTP) for the first mobile station; (ii) using the VTP to generate a transmit-power message, wherein the transmit-power message is usable to determine an initial transmit power (ITP) for the second mobile station; and (iii) the first mobile station sending the transmit-power message to at least the second mobile station. For instance, the first mobile station may set the ITP for the second mobile station equal to the VTP for the first mobile station, and include an indication of the ITP in the transmit-power message. Alternatively, the first mobile station may calculate the ITP for the second mobile station by adjusting its VTP according to the ratio of the distance between the second mobile station and the serving base station, and the distance between the first mobile station and the serving base station.