In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be configured to send, in a first network, a scheduling request (SR) associated with a second network. The apparatus may be further configured to receive an uplink grant based on the SR. The apparatus may be further configured to send, in the second network, uplink transmission based on the uplink grant. In an another aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be configured to receive, in a first network, a scheduling request (SR) associated with a user equipment (UE). The apparatus may be further configured to generate an uplink grant based on the SR. The apparatus may be further configured to send, in a second network, the uplink grant to the UE.