Data collection is one of important applications in Internet of Things. How to collect data within a short time is an important issue. However, the existing routing protocols are mostly used for data transmission and it's inefficient if used in data collection with polling manner. With this paper, we proposed a linked list routing algorithm with wormhole mechanism for data collection. Using linked list topology to construct a data collecting network, where data collecting behavior can be completed on the same path so that we can gather data at one time by data fusing operation. Because the excessive hop counts of traditional linked list topology, we use the concept of wormhole to construct shortcuts to the destination node to reduce hop counts. Data can travel back to data collector quickly through shortcuts, therefore data collecting time decreases. The simulation results show that our protocol is more efficient than existing mechanism.
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