A method, an apparatus, and a computer program product for wireless communication are provided. In an aspect, method operations for broadcasting a first signal comprising a first expression code in association with availability of location information of a UE; determining the location information associated with the UE; determining a second expression code associated with the location information; and broadcasting a second signal comprising the second expression code and the location information, independent of the first signal. In another aspect, a method includes the operations of receiving, from a second UE, a first signal comprising a first expression code associated with the second UE; determining a second expression code based on the received first signal; receiving a second signal from the second UE, the second signal comprising the second expression code; and determining a location of the second UE based on the received second signal and the determined second expression code.