Oppo-Flood: An Energy-Efficient Data Dissemination Protocol for Asynchronous Duty-Cycled Wireless Sensor Networks

Figure 12

An example scenario where node S is sending packets to its neighbors. Node S finds out that its neighbors form two connected components of 6 nodes and 4 nodes. If the expected number of forwarders is 2, node S indicates the reception probability of 0.5, since the smaller component has 4 nodes.