In the case of a data bus for several users, the users have {HEAD ~ hierarchical transmission authorizations} {TAIL ~ the users} are synchronized by a synchronization signal and the communication of the user with the highest priority, which can be emitted at regular time intervals by this user, serves as a synchronization signal 
In the case of a data bus for several users , the users have { HEAD ~ hierarchical transmission authorizations } { TAIL ~ the users } are synchronized by a synchronization signal and the communication of the user with the highest priority , which can be emitted at regular time intervals by this user , serves as a synchronization signal
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH