Linfeng Liu received the B.S. and Ph.D. degrees in Computer Science from the Southeast University, Nanjing, China, in 2003 and 2008, respectively. At present, he is Professor of the School of Computer Science and Technology, Nanjing University of Posts and Telecommunications, China. His main research interest lies in the areas of wireless sensor networks, vehicular ad hoc networks, and multi-hop mobile wireless networks protocols. He has published more than 80 peer-reviewed papers in some technical journals or conference proceedings, such as IEEE Transactions on Parallel and Distributed Systems, ACM Transactions on Autonomous and Adaptive Systems, IEEE Transactions on Vehicular Technology, Computer Networks, Journal of Parallel and Distributed Computing, Journal of Network and Computer Applications, IEEE SECON, GLOBECOM, ICC, WCNC, and CSCWD.

• Introduction.- Literature Review.- Message Dissemination in OUSNs with Mobility-irregular Node.- Message Dissemination in OUSNs with GPS-free Nodes.- Propagation Control of Data Messages in OUSNs.- Freshness-cost Ratio Optimization of Message Dissemination in OUSNs.- Message Dissemination in Hybrid OUSNs with Storage-limited Nodes.- Message Dissemination based on Spatial-temporal Common Neighbours in Hybrid OUSNs.- Summary and Future Work.

Linfeng Liu received the B.S. and Ph.D. degrees in Computer Science from the Southeast University, Nanjing, China, in 2003 and 2008, respectively. At present, he is Professor of the School of Computer Science and Technology, Nanjing University of Posts and Telecommunications, China. His main research interest lies in the areas of wireless sensor networks, vehicular ad hoc networks, and multi-hop mobile wireless networks protocols. He has published more than 80 peer-reviewed papers in some technical journals or conference proceedings, such as IEEE Transactions on Parallel and Distributed Systems, ACM Transactions on Autonomous and Adaptive Systems, IEEE Transactions on Vehicular Technology, Computer Networks, Journal of Parallel and Distributed Computing, Journal of Network and Computer Applications, IEEE SECON, GLOBECOM, ICC, WCNC, and CSCWD.

• Introduction.- Literature Review.- Message Dissemination in OUSNs with Mobility-irregular Node.- Message Dissemination in OUSNs with GPS-free Nodes.- Propagation Control of Data Messages in OUSNs.- Freshness-cost Ratio Optimization of Message Dissemination in OUSNs.- Message Dissemination in Hybrid OUSNs with Storage-limited Nodes.- Message Dissemination based on Spatial-temporal Common Neighbours in Hybrid OUSNs.- Summary and Future Work.

Linfeng Liu received the B.S. and Ph.D. degrees in Computer Science from the Southeast University, Nanjing, China, in 2003 and 2008, respectively. At present, he is Professor of the School of Computer Science and Technology, Nanjing University of Posts and Telecommunications, China. His main research interest lies in the areas of wireless sensor networks, vehicular ad hoc networks, and multi-hop mobile wireless networks protocols. He has published more than 80 peer-reviewed papers in some technical journals or conference proceedings, such as IEEE Transactions on Parallel and Distributed Systems, ACM Transactions on Autonomous and Adaptive Systems, IEEE Transactions on Vehicular Technology, Computer Networks, Journal of Parallel and Distributed Computing, Journal of Network and Computer Applications, IEEE SECON, GLOBECOM, ICC, WCNC, and CSCWD.

• Introduction.- Literature Review.- Message Dissemination in OUSNs with Mobility-irregular Node.- Message Dissemination in OUSNs with GPS-free Nodes.- Propagation Control of Data Messages in OUSNs.- Freshness-cost Ratio Optimization of Message Dissemination in OUSNs.- Message Dissemination in Hybrid OUSNs with Storage-limited Nodes.- Message Dissemination based on Spatial-temporal Common Neighbours in Hybrid OUSNs.- Summary and Future Work.