Slotted aloha node1 [1 [1 node2 2 node 3 alot C E C6 E C E S Pros Cons o Single active node can o Collisions wasting slots continuously transmit at o Idle slots full rate of channel ● Nodes may be able to o Highly decentralized: only detect collision in less than slots in nodes need to be in time to transmit packet Sync Clock synchronization ◆Smpe 5: DatSlotted ALOHA Pros  Single active node can continuously transmit at full rate of channel  Highly decentralized: only slots in nodes need to be in sync  Simple Cons  Collisions, wasting slots  Idle slots  Nodes may be able to detect collision in less than time to transmit packet  Clock synchronization 5: DataLink Layer 5-17