In this chapter, we study the deployment problem in wireless sensor networks. The deployment affects the efficiency and the effectiveness of sensor networks. We discuss different types of deployment strategies including deterministic or random deployment, and centralized or distributed deployment. We also review the measures of deployment while considering the connectivity and coverage in detail. The best coverage and the worst coverage are also discussed. An important issue is the energy efficiency in wireless sensor networks. We classify the power conservation issue into 3 types of sensor networks. They are duty-cycle dependent, role dependent, and topology dependent methods. Finally, future trends in sensor deployment are proposed.
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