I. INTRODUCTION
In recent years, wireless sensor networks (WSNs) have received a huge attention due to their promising applications in a variety of areas including structure health monitoring (SHM). SHM is a highly active area of research devoted to developing the tools and techniques needed for automatic structural-integrity assessments. Broadly speaking, SHM research attempts to use sensors to localize damage and detect its extent through structural response (via the spatiotemporal patterns of vibrations induced throughout the structure). Advance in WSNs provide opportunities for sensing, wireless communication, and distributed data processing for a variety of new SHM applications.