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Communication Channel Modeling and Capacity Analysis of Controller Area Network (CAN)

Communication Channel Modeling and Capacity Analysis of Controller Area Network (CAN)
Alternative Title
Controller Area Network (CAN) 통신 채널 모델링 및 커패시티 분석
Jang, Dong Hyuk
DGIST Authors
Jang, Dong HyukChoi, Ji WoongCho, Hui Sup
Choi, Ji Woong
Cho, Hui Sup
Issued Date
Awarded Date
2015. 8
Controller area network (CAN)Channel modelingAWG 24 twisted pairTransmission matrixCapacity analysis채널 모델링AWG 24 꼬임 전선
Controller area network (CAN) has been widely used for in-vehicle networks. The demand of data rate of in-vehicle network has risen sharply, while traditional CAN communication cannot support this demand of data rate with limited bandwidth around DC. To overcome the limitation, passband communication systems can be considered where wider bandwidth may be available. In order to use the passband, we need to understand and analyze the CAN communication channel. However, since real measurement of the channel response takes so much time and efforts, it will be convenient if channel modeling of CAN communication system is available. In this paper, we perform modeling of passband CAN communication systems by using a transmission matrix and a cascade of two port network methods. Instead of real measurement, we expect to reduce the time and efforts significantly to obtain a passband CAN communication channel response by using the channel modeling result. Using channel modeling result, we suggest the bridge tap length and bandwidth for suitable designing passband CAN system. Furthermore, using channel modeling and noise measurement results described in this paper, we perform capacity analysis of each channel state in order to know maximum throughput of the system. ⓒ 2015 DGIST
Table Of Contents
Abstract 1--
1. Introduction 3--
2. CAN communication system 6--
3. Passband CAN communication 7--
4. Channel model 8--
4.1. End-to-end case 8--
4.2. Arbitrary location case 14--
5. Noise measurement 18--
6. Result & Evaluation 22--
6.1. Channel modeling result of end-to-end case 22--
6.2. Channel modeling result of arbitrary Tx-Rx pair 27--
6.3. Evaluation of channel modeling result 35--
6.4. Impulse response of arbitrary Tx-Rx pair 36--
6.5. Capacity analysis 39--
7. Conclusion 41--
Reference 41--
Summary (Korean) 43--
Information and Communication Engineering
Related Researcher
  • 최지웅 Choi, Ji-Woong 전기전자컴퓨터공학과
  • Research Interests Communication System; Signal Processing; Communication Circuit Design; 생체 신호 통신 및 신호 처리; 뇌-기계 인터페이스(BMI); 차세대 교차계층 통신 및 신호 처리; 5G 모바일 통신
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Department of Electrical Engineering and Computer Science Theses Master


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