Described herein is a user equipment comprising a processor configured to: derive a plurality of virtual subframes from an allocation of radio resources, the virtual subframes comprising a virtual special subframe and a virtual forward link subframe wherein the virtual forward link subframe comprises a first forward link portion and the virtual special subframe comprises one or more of: a second forward link portion, and a reverse link portion; transmit, via a direct device to device (DD2D) link, to a second user equipment during the first forward link portion; and receive, via the DD2D link, from the second user equipment during the reverse link portion.