Patent ID: 9585122
Date: 2017-02-28
CPC Classifications: H04L,H04W

Claim:
1. A method of communicating data in a wireless telecommunications system, the method comprising: transmitting data from a base station to a plurality of terminal devices in a multicast transmission; and transmitting response signals from respective ones of the terminal devices to the base station in response to the multicast transmission to indicate whether the respective terminal devices have successfully received the multicast transmission, wherein at least one of said transmitting data from the base station and said transmitting response signals from respective ones of the terminal devices is performed via a virtual carrier having a bandwidth less than a bandwidth of a host carrier carrying the virtual carrier, wherein an amount of processing associated with the virtual carrier is less than an amount of processing associated with the host carrier, and wherein a virtual carrier control region is provided in at least two consecutive final symbols of the virtual carrier.