I think at this point we have parted company with the real world, so I will drop out of this discussion. -- Christopher Dearlove Senior Principal Engineer, Communications Group Communications, Networks and Image Analysis Capability BAE Systems Advanced Technology Centre West Hanningfield Road, Great Baddow, Chelmsford, CM2 8HN, UK Tel: +44 1245 242194 | Fax: +44 1245 242124 chris.dearlove@xxxxxxxxxxxxxx | http://www.baesystems.com BAE Systems (Operations) Limited Registered Office: Warwick House, PO Box 87, Farnborough Aerospace Centre, Farnborough, Hants, GU14 6YU, UK Registered in England & Wales No: 1996687 -----Original Message----- From: Masataka Ohta [mailto:mohta@xxxxxxxxxxxxxxxxxxxxxxxxxx] Sent: 03 January 2013 13:39 To: Dearlove, Christopher (UK) Cc: ietf@xxxxxxxx Subject: Re: WCIT outcome? ----------------------! WARNING ! ---------------------- This message originates from outside our organisation, either from an external partner or from the internet. Keep this in mind if you answer this message. Follow the 'Report Suspicious Emails' link on IT matters for instructions on reporting suspicious email messages. -------------------------------------------------------- Dearlove, Christopher (UK) wrote: > Yes, all smart phones support Wi-Fi. In some "unregulated" (not > actually entirely so) frequency bands, and with regulated powers, > over a short range. CSMA/CA can also work over a long range too and can, in a sense, fairly arbitrate packets from different countries at border towns. > But the main long range 2G/3G signals are > TDMA or CDMA in regulated bands. Forget them. Masataka Ohta ******************************************************************** This email and any attachments are confidential to the intended recipient and may also be privileged. If you are not the intended recipient please delete it from your system and notify the sender. You should not copy it or use it for any purpose nor disclose or distribute its contents to any other person. ********************************************************************