A novel approach of sensor data retrieving using a quadcopter in wireless sensor network forming concentric circular topology

摘要: Paper describes a concentric circular wireless sensor network topology and data retrieving strategy using mobile sink. A quadcopter acts as The states how to improve lifetime by reducing energy consumption of power constrained nodes. It eliminates packet routing optimizes retransmissions error, loss collisions. Sensors are uniformly distributed across the field size r×r in such way that they almost all placed inside an inscribed disk D radius r. Network is formed creating circles around center partitions into n annuli. Each annulus further divided m wedges partitioning sectors. ik belong each wedge W ,(∀1 ≤ i k m; n) form Star with At level k, sink its pose p ∈ so every nodes can send their one hop communication. will be extremely useful for collection when large holes due failure results partition.