Office Of Engineering And Technology Declares The ANSYS Inc. Request For Waiver Of Rule Section 1.1307 (B)(2) To Be A "Permit-But-Disclose" Proceeding For Ex Parte Purposes And Requests Comments
Federal Communications Commission
News Media Information 202 / 418-0500445 12th St., S.W.
Washington, D.C. 20554
August 24, 2010
OFFICE OF ENGINEERING AND TECHNOLOGY DECLARES THE
ANSYS INC. REQUEST FOR WAIVER OF RULE SECTION 1.1307 (B)(2) TO BE A “PERMIT-
BUT-DISCLOSE” PROCEEDING FOR EX PARTE
PURPOSES AND REQUESTS COMMENTS
ET Docket No. 10-166
Comment Date: September 23, 2010
Reply Comment Date: October 8, 2010ANSYS Inc. (ANSYS) has filed a Request for Waiver of Section 1.1307 (b)(2) of the
Commission’s Rules to permit routine environmental evaluation for radio frequency (RF) exposure of
medical implant or body-worn transmitters authorized for use in the Medical Device
Radiocommunication (MedRadio) Service by finite element method (FEM) computational modeling.1
ANSYS is the developer and marketer of High Frequency Structure Simulator (HFSS), a FEM-based
software tool for simulation testing used by engineers, designers, and researchers in various industries.
Section 1.1307 (b)(2) requires routine environmental evaluation for radio frequency (RF)
exposure from equipment transmitting in the MedRadio Service prior to equipment certification, as
specified in Section 2.1093 by laboratory measurement techniques or finite difference time domain
(FDTD) computational modeling. ANSYS submits that FEM-based software is capable of simulating
fundamental physics on an equal basis with FDTD-based software, and thus should be permitted for
evaluating medical implant or body-worn transmitter compliance with the Commission’s RF exposure
rules. ANSYS notes that the IEEE International Committee for Electromagnetic Safety Technical
Committee 34 is developing recommended practices for using both FDTD and FEM for evaluating RF
safety of wireless communication devices, which will eventually be submitted to the IEEE Standards
Committee for consideration. Thus, ANSYS argues that waiving our rule to permit FEM-based
computational modeling to stimulate the specific absorption rate (SAR) of MedRadio devices would
expand the availability of engineering testing methodologies for medical device manufacturers, thereby
enabling manufacturers and researchers to negotiate lower costs for product development.
The Commission’s Office of Engineering and Technology (“OET”) is reviewing the Request for
Waiver. OET has concluded that in order to develop a complete record on the issues presented by this
request, it will treat this proceeding, for ex parte purposes, as a “permit-but-disclose” proceeding, in
accordance with Section 1.1200(a) of the Commission’s rules, and subject to the requirements under
Section 1.1206(b) of the rules.
1 See ANSYS Inc., Request for Waiver of 47 C.F.R. § 1.1307 (b)(2), filed August 2, 2010. The MedRadio
Service is governed by Part 95 of the Commission’s Rules.
Pursuant to sections 1.415 and 1.419 of the Commission’s rules, 47 CFR §§ 1.415, 1.419, interested
parties may file comments and reply comments on or before the dates indicated on the first page of this
document. Comments may be filed using: (1) the Commission’s Electronic Comment Filing System
(ECFS), (2) the Federal Government’s eRulemaking Portal, or (3) by filing paper copies. See Electronic
Filing of Documents in Rulemaking Proceedings, 63 FR 24121 (1998).
Electronic Filers: Comments may be filed electronically using the Internet by accessing the
ECFS: http://fjallfoss.fcc.gov/ecfs2/ or the Federal eRulemaking Portal:
Paper Filers: Parties who choose to file by paper must file an original and four copies of each
filing. If more than one docket or rulemaking number appears in the caption of this proceeding,
filers must submit two additional copies for each additional docket or rulemaking number.
Filings can be sent by hand or messenger delivery, by commercial overnight courier, or by first-
class or overnight U.S. Postal Service mail. All filings must be addressed to the Commission’s
Secretary, Office of the Secretary, Federal Communications Commission.
All hand-delivered or messenger-delivered paper filings for the Commission’s Secretary
must be delivered to FCC Headquarters at 445 12th St., SW, Room TW-A325,
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All filings must be addressed to the Commission’s Secretary, Marlene H. Dortch, Office of the
Secretary, Federal Communications Commission, 445 12th Street, S.W., Washington, D.C. 20554.
Parties should also send a copy of their filings to Robert Weller, Office of Engineering and Technology,
Federal Communications Commission, Room 7-A134, 445 12th Street, S.W., Washington, D.C. 20554,
or by e-mail to Robert.Weller@fcc.gov. Parties must also serve one copy with the Commission’s copy
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Office of Engineering and Technology contact: Robert Weller at (202) 418-7397.
By the Chief, Office of Engineering and Technology.
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