On-demand retransmissions in broadcast communication

A method for wireless communications comprising:

• monitoring a channel bandwidth for a first Bluetooth packet during a first set of one or more master slots of a periodic broadcast window;
• generating, based at least in part on a failure to receive the first Bluetooth packet, a sequence of bits based at least in part on the monitoring;
• transmitting, based at least in part on the generated sequence of bits, one or more negative acknowledgement (NACK) signals for the first Bluetooth packet in a set of one or more slave slots subsequent to the first set of one or more master slots of the periodic broadcast window;
• and
• receiving, based at least in part on the NACK signal, the first Bluetooth packet during a second set of one or more master slots of the periodic broadcast window.

An apparatus for wireless communications comprising, comprising:

• a processor,
• memory in electronic communication with the processor;
• and
• instructions stored in the memory and executable by the processor to cause the apparatus to:
• broadcast a first Bluetooth packet over a channel bandwidth during a first set of one or more master slots of a periodic broadcast window;
• perform one or more received signal strength indication (RSSI) measurements during a first set of one or more slave slot of the periodic broadcast window;
• receive from one or more receiving devices, based at least in part on the one or more RSSI measurements, one or more negative acknowledgement (NACK) signals corresponding to the first Bluetooth packet;
• and
• rebroadcast, during a second set of one or more master slots of the periodic broadcast window, the first Bluetooth packet based at least in part on the one or more NACK signals.