Simultaneously broadcasting acknowledgements of reception of uplink wireless communication

A method of a base station communicating through a wireless link, comprising:

• scheduling, by the base station, communication between the base station and a plurality of user devices;
• receiving, by the base station, uplink wireless communication from each of the plurality of user devices according to the scheduled communication, wherein an uplink wireless communication allocation of one or more of the plurality of user devices is within a different time slot of an uplink frame than other of the plurality of user devices;
• and
• broadcasting, by the base station, acknowledgements of reception of the uplink wireless communication from each of the plurality of user devices within a downlink frame;
• wherein
• a user device of the plurality of user devices receives the downlink frame that includes simultaneous broadcast acknowledgements, and determines whether uplink wireless communication from the user device was successfully received based on information within the simultaneous broadcast acknowledgements of the downlink frame including acknowledgment information of the user device based on scheduled time and frequency slots of the scheduled communication for the uplink wireless communication of the user device.