part RESEARCH CHALLENGES AND CLUSTERING -- chapter 1 Research Challenges in Communication Protocol Design for Underwater Sensor Networks. DARio Pom Pil i AND To m m ASo m El o Di A -- chapter 2 o ptimal Clustering for Underwater Acoustic Sensor Networks. l i ANg Zh Ao, SCo TT C.-h. h UANg, Qi l i AN l i ANg, AND XiUZh EN -- part TOPOLOGY CONTROL AND ROUTING -- chapter 3 Topology Control of ree-Dimensional Underwater Wireless Sensor Networks. S. m. NAZRUl A l Am AND Zyg m UNT J. h AAS -- chapter 4 multipath Virtual Sink Architecture for Underwater Sensor Networks. WiNSTo N K. g. SEAh, h. P. TAN, AND PiUS W. Q. l EE -- part FAULT TOLERANCE AND TIME SYNCHRONIZATION -- chapter 5 A Survey of Fault Tolerance in Ad-h oc Networks and Sensor Networks. So Ng QiNg y UE, yANg X i Ao, Xih Ui Zh ANg, Jim iNg C h EN, -- chapter 6 Time Synchronization in Sensor Networks and Underwater Sensor Networks. m iCh AEl g Al l o WAy, y ANPi Ng Z h ANg, y ANg X i Ao, AND -- part MEDIUM ACCESS CONTROL -- chapter 7 m AC Protocol Design for Underwater Networks: Challenges and New Directions. Vo l KAN Ro Do Pl U AND Am iR Am iNZADEh goh ARi / chapter 8 Dynamic TDm A- and m ACA-Based Protocols for Distributed Topology Underwater Acoustic Networks. Sh iRAZ Sh Ah ABUDEEN, m ANDAR Ch iTRE, AND m Eh Ul mo TANi -- chapter 9 medium Access Control l ayer for Underwater Sensor Networks. yANPiNg Z h ANg, yANg X i Ao, m iN Ch EN, PRAVEER BAh Ri, -- part SOFTWARE, HARDWARE, AND CHANNEL MODELING -- chapter 10 Software-Driven Underwater Acoustic Sensor Networks / chapter 11 h W/SW Co-Design of a l ow-Cost Underwater Sensor Node with intelligent, Secure Acoustic Communication Capabilities. FEi h U, yANg X i Ao, PAUl Tilghm AN, STEVEN mo KEy, -- chapter 12 Channel Modeling for Underwater Acoustic Sensor Networks.