CPC H04W 74/0891 (2013.01) [H04N 21/4126 (2013.01); H04W 28/12 (2013.01); H04W 74/08 (2013.01); H04W 74/0816 (2013.01); H04W 74/0866 (2013.01); H04W 28/04 (2013.01); H04W 84/12 (2013.01); H04W 92/10 (2013.01)] | 9 Claims |
1. A method comprising:
receiving, by a network device, a first control message from a first wireless device;
transmitting, by the network device, a second control message to the first wireless device, wherein the second control message indicates that the first wireless device is to transmit during a transmission opportunity, wherein in a transmission opportunity includes a time duration over frequency resources;
receiving, by the network device, first data from the first wireless device, wherein the first data is received during the transmission opportunity and in response to the transmitted second control message;
transmitting, by the network device, second data to the first wireless device;
transmitting, by the network device, a third control message to the first wireless device;
receiving, by the network device, and in response to the third control message, a fourth control message from the first wireless device; and
transmitting, by the network device, a fifth control message to a plurality of wireless devices, wherein the fifth control message comprises an identification associated with the plurality of wireless devices and an indication of a cancellation of transmission to the plurality of wireless devices.
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