Chapters by Dr. Jong-Gyu Hwang

• Book Chapter IoT-Based Route Guidance Technology for the Visually Impaired in Indoor Area
  by Jong-Gyu Hwang, Tae-Ki An, Kyeong-Hee Kim and Chung-Gi Yu in the book "Smart Mobility - Recent Advances, New Perspectives and Applications" edited by Arif I. Sarwat, Asadullah Khalid and Ahmed Hasnain Jalal, ISBN 978-1-80355-712-0, Print ISBN 978-1-80355-711-3, InTech, May 5, 2023
• Book Chapter Wireless Communication-based Safety Alarm Equipment for Trackside Worker
  by Jong-Gyu Hwang and Hyun-Jeong Jo in the book "Advanced Trends in Wireless Communications" edited by Mutamed Khatib, ISBN 978-953-307-183-1, InTech, February 2, 2011