Content: Sensor Networking Software and Architectures Sensor Networking Internet of Things Lauren Collins Sensor Network Platform and Operating Systems Xinheng (Henry) Wang and Shancang Li Mobile Crowd Sensing Manoop Talasila, Reza Curtmola, and Cristian Borcea Wireless Sensor Information Networks In-Network Processing in Wireless Sensor Networks Qiao Xiang and Hongwei Zhang Wireless Sensor Hierarchical Networks Shancang Li and Xinheng (Henry) Wang Efficient Distributed Bayesian Estimation in Wireless Sensor Networks Andrew P. Brown, Ronald A. Iltis, and Hua Lee Sensor Networking Data Manipulation and Advanced Hardware Constructing Load-Balanced Data Aggregation Trees in Probabilistic Wireless Sensor Networks Jing (Selena) He Biometric Sensors and How They Work Sinjini Mitra Radio Frequency Identification Device Readers and Tags C.J. Wiemer Sensor Networking Signal Processing Multimedia/Audio Sensor Networking Signal Processing Juan R. Aguilar Data Mining in Sensor Networks Sinjini Mitra and Pramod Pandya Obstacles in Sensor Networks Wireless Sensor Network Security: PHY-Layer Security Andrea Bartoli, Juan Hernandez-Serrano, Miquel Soriano, Mischa Dohler, Apostolos Kountouris, and Dominique Barthel Impact of Correlated Failures on Wireless Sensor Network Reliability Jorge E. Pezoa and Silvia Elena Restrepo Acoustic Sensors and Algorithms for Urban Security Juan R. Aguilar Sensor Networking Applications and Uses Smart Buildings and Smart Cities Rim Boujrad and Thomas M. Chen Imaging Technology Hua Lee Reconfigurable MIMO FMCW Imaging Technique and Applications in Acoustical and Microwave Imaging Hua Lee and Michael Lee Recent Advances in EO/IR Imaging Detector and Sensor Applications Ashok K. Sood, Yash R. Puri, Nibir K. Dhar, and Dennis L. Polla Vehicular Sensor Networks Juan Pan and Cristian Borcea Acoustic Sensing System for Underwater Geolocation and Navigation Hua Lee Load-Balanced Virtual Backbones in Wireless Sensor Networks Jing (Selena) He Appendix A: List of Sensor Networking Standards, Organizations, and Protocols John R. Vacca Appendix B: Glossary John R. Vacca Index