In a network wherein all the receive stations connected to a radio link or a bus type wire link are capable of observing information which is being transmitted over the link, a method of allowing each receive station to send back a repeat request signal in multi-station packet communication in which...http://www.google.fr/patents/US4888767?utm_source=gb-gplus-shareBrevet US4888767 - Repeat request signal transmission method for multi-station packet communication
Repeat request signal transmission method for multi-station packet communication
