30 January 2018 Using system simulation to evaluate design choices for automotive ethernet over plastic optical fiber
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Abstract
The growing bandwidth demands of advanced driver assistance systems (ADAS) and infotainment technologies make Gigabit Ethernet over plastic optical fiber (POF) a natural choice for next-generation automotive data networks, especially in light of the recent approval of the IEEE 802.3bv standard for Gigabit Ethernet transmission over POF. POF-based transmission provides the advantages of low cost, light weight, easy termination, durability, and immunity to electromagnetic interference (EMI), while Gigabit Ethernet extends the current maximum data rate of 150 Mb/s provided by Media Oriented Systems Transport (MOST). Thus, we examine important design choices that impact the performance of POF-based automotive data links for data rates up to and beyond 1 Gb/s and different choices of modulation format, including NRZ and PAM-n. Because simulation is an efficient and cost-effective solution for studying the complex interplay of multiple design choices without requiring physical prototypes, we base our analysis on a comprehensive modeling framework for optical communication systems incorporating large-core step-index fiber and fiber-to-fiber connectors. We study anticipated system performance in terms of bandwidth and BER for different choices of link length and connector count, including the IEEE 802.3bv targets of 15 meters with four connectors and 40 meters with no connectors. In addition, we consider the impact of connector misalignments (both lateral and longitudinal) and source launch profile (measured in terms of its encircled angular flux, or EAF), which also directly affect link bandwidth.
Conference Presentation
© (2018) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Pablo V. Mena, Pablo V. Mena, Enrico Ghillino, Enrico Ghillino, Dwight Richards, Dwight Richards, Satoshi Hyuga, Satoshi Hyuga, Makoto Nakai, Makoto Nakai, Manabu Kagami, Manabu Kagami, Robert Scarmozzino, Robert Scarmozzino, } "Using system simulation to evaluate design choices for automotive ethernet over plastic optical fiber", Proc. SPIE 10560, Metro and Data Center Optical Networks and Short-Reach Links, 105600I (30 January 2018); doi: 10.1117/12.2291790; https://doi.org/10.1117/12.2291790
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