James, You should double-check with the wifi chipset vendor that there is not another way of generating traffic. For example, Atheros has a special "ART" (Atheros Radio Test) mode that can be used for this purpose. I am not familiar with other vendors but have to assume that they have something similar.
...Marko ________________________________ From: Mike Violette <[email protected]> To: [email protected] Sent: Tuesday, January 10, 2012 8:26 AM Subject: Re: [PSES] Radiated Emissions Testing of Intentional Radiators - Practicalities? Attenuate the heck out of the "support"-generated signal and mount the antenna it in the null of the receive antenna. Even if its on the same channel, there won't be any additive energy. It should also force the EUT to transmit at max power. Mike Violette Washington Laboratories & American Certification Body [email protected] +1 240 401 1388 On Jan 10, 2012, at 11:13 AM, Pawson, James wrote: >Hello list members, > >We are wanting to test one of our products, which contains a WiFi interface, >in our anechoic chamber. To ensure the WiFi is active we would need to set up >antennae in the anechoic chamber itself - the irony of introducing radio into >a radio-quiet environment is not lost on me. > >I'm concerned about separating out the emissions from the WiFi access point >and the emissions of the equipment under test. Does anyone have any practical >pointers / hints / tips / experience / pitfalls of doing this? > >Thanks in advance >James > >James Pawson >Leading Hardware Engineer - EMC >EchoStar Europe > > - >---------------------------------------------------------------- > >This message is from the IEEE Product Safety Engineering Society emc-pstc >discussion list. To post a message to the list, send your e-mail to ><[email protected]> >All emc-pstc postings are archived and searchable on the web >at: http://www.ieee-pses.org/emc-pstc.html >Attachments are not permitted but the IEEE PSES Online Communities site >at http://product-compliance.oc.ieee.org/ can be used for graphics (in >well-used formats), large files, etc. >Website: http://www.ieee-pses.org/ >Instructions: http://listserv.ieee.org/request/user-guide.html >List rules: http://www.ieee-pses.org/listrules.html >For help, send mail to the list administrators: >Scott Douglas <[email protected]> >Mike Cantwell <[email protected]> >For policy questions, send mail to: >Jim Bacher <[email protected]> >David Heald <[email protected]> - ---------------------------------------------------------------- This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. To post a message to the list, send your e-mail to <[email protected]> All emc-pstc postings are archived and searchable on the web at: http://www.ieee-pses.org/emc-pstc.html Attachments are not permitted but the IEEE PSES Online Communities site at http://product-compliance.oc.ieee.org/ can be used for graphics (in well-used formats), large files, etc. Website: http://www.ieee-pses.org/ Instructions: http://listserv.ieee.org/request/user-guide.html List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas <[email protected]> Mike Cantwell <[email protected]> For policy questions, send mail to: Jim Bacher <[email protected]> David Heald <[email protected]> - ---------------------------------------------------------------- This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. To post a message to the list, send your e-mail to <[email protected]> All emc-pstc postings are archived and searchable on the web at: http://www.ieee-pses.org/emc-pstc.html Attachments are not permitted but the IEEE PSES Online Communities site at http://product-compliance.oc.ieee.org/ can be used for graphics (in well-used formats), large files, etc. Website: http://www.ieee-pses.org/ Instructions: http://listserv.ieee.org/request/user-guide.html List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas <[email protected]> Mike Cantwell <[email protected]> For policy questions, send mail to: Jim Bacher: <[email protected]> David Heald: <[email protected]>
