Model Each node works per round synchronized by a global clock (like GPS) The initial information of each node ID of itself Whether it is source or not(RB and ARB) Each node cannot receive two or more messages in one round Collision detection is not available We consider tht model without collision detection collision otinguishadeModel distinguishable We consider tht model without collision detection collision • Each node works per round synchronized by a global clock (like GPS). • The initial information of each node – ID of itself – Whether it is source or not (RB and ARB) • Each node cannot receive two or more messages in one round • Collision detection is not available