LTE-R(Long Term Evolution-Railway)의 국내외 철도시스템 적용 및 최적화 연구 = A study on the optimization and application of LTE-R(Long Term Evolution-Railway) for domestic and foreign railway systems

다국어 초록 (Multilingual Abstract)

Recently, the rapid improvement of ICT(Information and Communications, Technologies) has created a new value through a convergence with other technologies and industries. Particularly, 4G(Generation) LTE(Long Term Evolution) has made it possible to transmit data at high speeds. This has changed the industry’s environment completely. All the while, a wireless communication system in the railway industry has been limited to a voice service only because of the low transmission speed of the system. Moreover, there are many problems with the voice service, like limited service coverage, noise and inefficiency in operations within a wireless communication system.
This system desperately needs improvement and must meet customer needs in railway services. The emergence of 4G LTE technology make it possible to solve many problems within this industry. LTE-R(Long Term Evolution-Railway) is a new wireless communication technology that uses 4G LTE.
The LTE-R system can provide stable high-speed data transmission; therefore it is possible to impact the industry market and provide multimedia service for customers who are using the railway. In this study, I aim to prove that LTE-R’s optimization and application for domestic and foreign railway systems is a sound investment and will improve the railway industry dramatically.
For this, I investigated the current situation of wireless communication systems of Korea’s railway.

목차 (Table of Contents)

• Ⅰ. 서 론 1
• 1.1. 연구의 배경 1
• 1.2. 연구의 방법 및 목적 4
• Ⅱ. 국내 철도무선통신의 특징과 현황 6
• 2.1. 국내 철도 무선통신시스템의 개요 6
• 2.2. 국내 철도 무선통신시스템 운용현황 8
• 2.3. LTE-R 기반 철도 무선통신시스템의 요구사항 17
• Ⅲ. 이동통신기술의 발전과 LTE 핵심기술 18
• 3.1. 이동통신기술의 발전 동향 18
• 3.2. 4G LTE 핵심기술 23
• Ⅳ. LTE-R의 국내외 추진동향 31
• 4.1. LTE-R의 국내 동향 31
• 4.2. LTE-R의 해외 동향 34
• Ⅴ. LTE-R 시스템의 테스트베드 시험 및 측정값 분석 39
• 5.1. 테스트베드 시험개요 39
• 5.2. 테스트베드 검증결과 43
• Ⅵ. LTE-R의 철도시스템 적용 및 최적화 요구조건 59
• Ⅶ. 결 론 64
• 참고문헌 67
• ABSTRACT 70
• 감사의 말씀 73