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
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⌘ Mobile Communication
[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.