IEEE P62704-2, Apr 2016
IEEE/IEC Draft International Standard for Determining the Peak Spatial Average Specific Absorption Rate (SAR) in the Human Body from Wireless Communications Devices, 30 MHz - 6 GHz. Part 2: Specific Requirements for Finite Difference Time Domain (FDTD) Modelling of Exposure from Vehicle Mounted Antennas
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Language: English
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About This Item
IEEE P62704-2, Apr 2016 is an IEEE/IEC draft international standard focused on determining peak spatial average specific absorption rate (SAR) in the human body from wireless communications devices operating from 30 MHz to 6 GHz. It addresses the finite difference time domain (FDTD) modelling of exposure from vehicle mounted antennas, making it especially relevant where transportation and electromagnetics intersect. For engineers and test teams, it provides a structured basis for consistent exposure assessment and model development.
Overview of IEEE P62704-2, Apr 2016
This technical document defines specific requirements for using FDTD methods to model human exposure caused by vehicle mounted antennas. IEEE P62704-2, Apr 2016 is intended to support more consistent SAR determination when wireless systems are installed on or around vehicles, where geometry, antenna placement, and body proximity can affect results. By narrowing the modelling requirements for this scenario, the standard helps align engineering analysis with repeatable assessment practices across communication and electromagnetics applications.
Typical use cases
IEEE P62704-2, Apr 2016 is typically used in simulation and evaluation workflows for vehicle integrated antennas, including antennas on cars, trucks, public transport platforms, and similar mobile communication systems. It may support SAR studies for wireless communications devices used in transportation environments, especially where exposure near occupants needs to be examined. The standard is also relevant to model setup, validation planning, and documentation for FDTD-based analysis in aerospace-adjacent and vehicle electronics engineering.
Why it matters
Accurate exposure modelling is important when antenna systems are mounted on vehicles and operate close to passengers or operators. IEEE P62704-2, Apr 2016 helps teams apply a more consistent approach to SAR analysis, which can improve design control, safety review, and technical comparison between solutions. For procurement and compliance-related decisions, a defined modelling basis can reduce ambiguity, support traceable testing strategies, and help avoid errors caused by inconsistent simulation assumptions.
- FDTD modelling requirements for vehicle mounted antennas
- Peak spatial average SAR assessment
- Wireless device exposure in the 30 MHz to 6 GHz range
- Transportation-focused electromagnetics applications
- Draft international standard status
- Publication Date: 2016
- Standard Status: Inactive
- Publisher: IEEE
- Subject: Transportation; Fields, Waves and Electromagnetics; Aerospace; Communication, Networking and Broadcast Technologies; Components, Circuits, Devices and Systems
- Official IEEE: Doi link
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