No abstract

Network reprogramming should be able to transmit a great amount of data reliably given that it transmits the codes of operating systems and execution programs. Existing studies guarantee 100% reliability using ACK retransmission or NACK transmission. However, in reality, the potential for transmission error is quite high in the sensor network field. Hence, the methods used in existing studies require frequent retransmission, thus undermining the performance of the sensor network and increasing the energy overhead. This paper suggests a new data propagation method that decreases the rate of retransmission. The new method improves the reprogramming performance of the sensor network through its use of a data encoding method that effectively propagates the reprogramming data. The author compared the new method with Deluge, a very capable network reprogramming method used in TinyOS. For the comparison, the author applied the new method to Deluge and measured its performance using TOSSIM, a TinyOS network simulator. As a result, the new method showed a maximum performance enhancement of 38%.

No abstract