IEEE P62704-2/D4, Jul 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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About This Item
IEEE P62704-2/D4, Jul 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 finite difference time domain (FDTD) modelling for exposure from vehicle mounted antennas, making it relevant to transport-linked wireless systems and electromagnetic safety evaluation. For engineers working on compliance-oriented analysis, IEEE P62704-2/D4, Jul 2016 provides a technical basis for more consistent exposure modelling.
What is IEEE P62704-2/D4, Jul 2016?
This draft standard defines specific requirements for using FDTD methods to model human exposure to radiofrequency energy generated by vehicle mounted antennas. Its purpose is to support the calculation of peak spatial average SAR in a controlled and repeatable way across the stated frequency range. IEEE P62704-2/D4, Jul 2016 is part of a standards framework intended to improve the technical consistency of exposure assessment, especially where antenna placement on vehicles affects the distribution of electromagnetic fields near occupants.
Where is IEEE P62704-2/D4, Jul 2016 used?
IEEE P62704-2/D4, Jul 2016 is used in engineering workflows involving vehicle-integrated wireless systems, antenna placement studies, and SAR simulation for human exposure assessment. It is most relevant where communication equipment is mounted on cars, trucks, or similar transport platforms and modelling is needed to understand how fields interact with occupants. The standard may also support design reviews, lab validation planning, and compliance documentation for teams working at the intersection of transportation, communications, and electromagnetic analysis.
Why is IEEE P62704-2/D4, Jul 2016 important?
This standard matters because exposure modelling for vehicle mounted antennas can be sensitive to geometry, operating frequency, and the placement of people inside or near the vehicle. IEEE P62704-2/D4, Jul 2016 helps bring structure to that analysis, supporting more reliable SAR evaluation and reducing uncertainty in engineering decisions. For organizations dealing with safety review, technical procurement, or conformity assessment, a defined modelling approach can improve comparability between studies and strengthen confidence in the results.
- FDTD modelling requirements
- Vehicle mounted antenna exposure
- Peak spatial average SAR
- 30 MHz to 6 GHz range
- Human body RF assessment
- Publication Date: 2016
- Standard Status: Inactive
- Publisher: IEEE
- Subject: Transportation; Signal Processing and Analysis; Components, Circuits, Devices and Systems; Communication, Networking and Broadcast Technologies
- Official IEEE: Doi link
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