TY - JOUR T1 - Study on the Implementation of Remote Software Download between Heterogeneous Nodes of a Thin Line Towed Array Sensor AU - Heo, Jun-ki AU - Choi, Seung-ho AU - Kang, Seong-woo AU - Im, Tae-sung AU - Jeong, Sang-myung AU - Yun, Sung-ung JO - The Journal of Korean Institute of Communications and Information Sciences PY - 2025 DA - 2025/1/1 DO - 10.7840/kics.2025.50.5.812 KW - Remote Download KW - Heterogeneous nodes KW - Multi Hop Network KW - Thin line towed array sensor AB - The towed array sensor has excellent performance as a long-distance low-frequency underwater detection means and is operated while the ship tows the sensor. When operating a towing, drag is generated in the opposite direction to the direction of the progress of the ship, which reduces maneuverability. In particular, in the case of small platforms such as unmanned submersible/watercrafts, thin line towed array sensor are applied to extremely lower drag, and a Multi Hop Network structure is applied to minimize component placement and wiring in consideration of a small sensor diameter. However, when remote software download is performed under a condition in which heterogeneous nodes exist in combination, a problem in which firmware is downloaded to an unwanted node may occur due to the serial connection structure. In this paper, we propose a method of implementing remote software download in a Multi Hop Network structure in which heterogeneous nodes exist in a complex manner. As a result of the experiment through prototype production, it was confirmed that the download target designation and remote software download operate normally under the condition that heterogeneous nodes exist in one link.