Difference between revisions of "D4-Mobile Systems"

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<span scaled="60%>[Presentation G. Fettweis, IEEE VTC forum Baltimore], http://www.ieeevtc.org/plenaries/vtc2007fall/28.pdf </span>
 
<span scaled="60%>[Presentation G. Fettweis, IEEE VTC forum Baltimore], http://www.ieeevtc.org/plenaries/vtc2007fall/28.pdf </span>
  
 +
= GSM =
 +
Example GSM: the upload band is from 880-915 Unik/MHz (in Europe), which is 35 Unik/MHz. With a carrier of 200 kHz we have 175 channels, which have to be divided between the various operators.
  
 
= UMTS specifications =
 
= UMTS specifications =
 
http://www.umtsworld.com/technology/wcdma.htm
 
http://www.umtsworld.com/technology/wcdma.htm

Revision as of 09:24, 21 September 2014

⌘ Mobile Communication

FettweisRadioDevelopment-Mobile.png

[Presentation G. Fettweis, IEEE VTC forum Baltimore], http://www.ieeevtc.org/plenaries/vtc2007fall/28.pdf

GSM

Example GSM: the upload band is from 880-915 Unik/MHz (in Europe), which is 35 Unik/MHz. With a carrier of 200 kHz we have 175 channels, which have to be divided between the various operators.

UMTS specifications

http://www.umtsworld.com/technology/wcdma.htm