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http://dx.doi.org/10.5916/jkosme.2014.38.6.723

A smartphone toy control system based on bluetooth using stop-and-wait ARQ protocol  

Song, J.H. (Division of IT, Korea Maritime and Ocean University)
Kim, H.K. (Division of IT, Korea Maritime and Ocean University)
Shin, O.K. (Division of IT, Korea Maritime and Ocean University)
Publication Information
Journal of Advanced Marine Engineering and Technology / v.38, no.6, 2014 , pp. 723-729 More about this Journal
Abstract
When the bluetooth technology of smartphone is applied to a remote control system, communication errors caused by wave attenuation and interference results in the shortening of communication distance, loss of the target device control and malfunctioning. In this study, we propose a method to adopt a retransmission persistence controlled S/W ARQ in bluetooth communication to minimize the effect of the communication failure and to detect and handle the state where the target device gets lost control. We implemented a motor-driven RC car equpped with a bluetooth communication module and a steering application program on smartphone to test the proposed method. The experiments are conducted in three communication environments, and have resulted in the increase of the communication distance by at least 30% when S/W ARQ is applied. Moreover, when the communication was disrupted due to environmental disturbances, the S/W ARQ based system stopped immediately any undergoing operations to avoid possible malfunction.
Keywords
bluetooth; ARQ; RC Car; Remote control system;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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