There are a number of studies that propose transmission power control algorithms in wireless sensor networks.However, these algorithms have a lot of overhead in the initialization phase since a number of packets have tobe transmitted to determine the optimal transmission power level. This paper proposes the transmission powercontrol technique considering the shortest-path to minimize the hop-count without the occurrence of any powercontrol messages. We applied the proposed technique on tree-based network component implemented on TinyOS.And we evaluated the performance including transmission energy and average network depth with 21 motes.Compared to before, the proposed technique reduces about 24.7% of the average electric current on transmitting.As a result of considering the shortest-path, the hop-count considering the shortest-path was about 41% less thana normal network.
There are a number of studies that propose transmission power control algorithms in wireless sensor networks.However, these algorithms have a lot of overhead in the initialization phase since a number of packets have tobe transmitted to determine the optimal transmission power level. This paper proposes the transmission powercontrol technique considering the shortest-path to minimize the hop-count without the occurrence of any powercontrol messages. We applied the proposed technique on tree-based network component implemented on TinyOS.And we evaluated the performance including transmission energy and average network depth with 21 motes.Compared to before, the proposed technique reduces about 24.7% of the average electric current on transmitting.As a result of considering the shortest-path, the hop-count considering the shortest-path was about 41% less thana normal network.
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