Jun 22, 2017

cDASY6 Release V6.4

cDASY6 V6.4 is now fully approved by all regulators including the Federal Communications Commission (FCC), making demonstration of compliance more automated and much faster. It is also fully compatible with the upcoming IEC 62209-U standard and capable to test any IoT (Internet-of-Things) device. The key new features and improvements are:

  • More robust and faster MotherScans;
  • Support of our four specific phantoms that enable the testing of devices mounted to any body part;
  • Zoom scan grid resolution verification based on measured field distribution according to the latest amendment of IEC 62209-2017;
  • Integration of time averaged specific absorption rate (SAR) measurement procedure to facilitate testing of devices that can control the transmitted averaged power over time;
  • Improved Fast Scan comparison algorithm to assess 1g / 10g SAR in less than 10s.

In addition, the new release provides many other improvements making the software more flexible and easier to use. Feedback, as always, is greatly welcomed!

Improved MotherScan Speed and Robustness

Scanning time in cDASY6 has been dramatically reduced thanks to the MotherScan concept. A MotherScan consists of measuring the phantom surface over the whole measurable area. This information is reused during the area and zoom scans to limit the number of required surface detection points. Within cDASY6 V6.4, the measured surface is now registered to the Computer Aided Design (CAD) model of the phantom which makes the MotherScan quicker, more accurate and more robust

Integration of Specific Phantoms

cDASY6 Release V6.4 supports several new phantoms that will ease SAR compliance testing of wireless devices, including any IoT devices, intended for usage at non-standard body/head locations (e.g., in-front of face, at extremities):

  • The SAM Chin20 Right/Left phantoms has been designed to measure large phones or tablets for which the antenna is radiating on the chin area;
  • The SAM Head-Stand phantom allows assessment of the exposure of the face and in particular the eyes for handheld devices operated in front of the face (e.g., video phones, cameras);
  • The SAM Face-Down phantom is optimized for SAR compliance testing of connected helmets, head-belts or any other device on top or around the head;
  • The Wrist phantom eases testing of smart watches.

A more detailed measurement procedure as well as validation results and uncertainty table are available in the Application Note 

SAR distribution of a device measured in the Face-Down phantom. The maximum absorption is located in the forehead region.

Zoom Scan Grid Resolution Verification

cDASY6 Release V6.4 features automatic check of the zoom scan grid resolution according to the latest requirements of the IEC 62209 amendment and insures that all assessments are within the standard DASY uncertainty. cDASY6 computes the radius and decay of the measured SAR distribution and verifies that the specified measurement grid meets the standard requirements and recommends the repletion of the measurement with a finer grid if needed.

Integration of Time-Averaged SAR Measurement Procedure

cDASY6 Release V6.4 is the first software that offers a convenient tool for SAR compliance testing that can monitor the transmitted averaged power over a 6-minute interval. This feature can be enabled after a standard area scan or zoom scan. The software will monitor continuously the measured SAR at a fixed location. The TX factor and 1g/10g peak averaged SAR are computed automatically once the time-averaged SAR scan is completed.

A more detailed measurement procedure as well as validation results and the corresponding uncertainty table are available in the Application Note

Monitoring of the SAR readings at a fixed location for a device with power control algorithm enabled.

Improved Fast Scan Comparison Algorithm

Fast Scans can be used to assess the 1g and 10g peak averaged SAR in less than 10s if a similar absorption pattern has been already measured. In cDASY6 Release V6.4, the algorithm used to compare absorption patterns has been greatly improved when measuring modulated or low amplitude signals. A KDB inquiry has been submitted for the acceptance of this novel feature by FCC.

Important Information

We kindly recommend to carefully follow the steps described below in order to achieve a smooth and successful installation of all software components:

  • cDASY6 software installation: The software version number can be verified in the “Help” / “About”-menu. The version will be called V6.4.12171 after a successful installation;
  • cDASY6 settings folder:The C:\Users\Public\Documents\Speag\DASY\cDASY6\6.3 folder must be backup and renamed into “6.4”
  • Robot / Measurement Server software upgrade: The robot / measurement server software version numbers can be verified in the Robot” drop-down menu of the cDASY6 software. If the actual and expected versions differ, please perform an upgrade as described in the Server Upgrade cDASY6 folder contained in the cDASY6 V6.4 installation folder;
  • Phantom configuration files: The CAD models have been improved to meet the requirements of the registration, therefore the phantom configuration files must be imported again. For this, go to “Application Preferences” >> “Inventory” and delete the existing phantom files. Then import the updated ones from C:\Users\Public\Documents\Speag\DASY\cDASY6\Inventory\Phantoms.

The installers can be downloaded here.

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