Patent ID: 9661476
Date: 2017-05-23
CPC Classifications: H04L,H04W

Claim:
1. A method comprising: multicasting data to members of a multicast group; determining, based at least in part on an indication received during the multicasting of the data, that a late joining device has joined the multicast group subsequent to initiation of the multicasting; marking a last packet data convergence protocol layer sequence number and hyper frame number successfully multicast to the multicast group prior to the late joining device joining the multicasting determining, based at least in part on the marked last packet data convergence protocol layer sequence number and hyper frame number, a portion of the data to send to the late joining device, the determined portion comprising at least a portion of the multicast data prior to the late joining device began to participate in the multicast; and controlling the determined portion of the data to be sent to the late joining device via a device-to-device connection.