Cellular Network Planning and Optimization Part V: GSM
Cellular Network Planning and Optimization Part V: GSM
Cellular Network Planning and Optimization Part V: GSM
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
<strong>GSM</strong> Frame structure Time Division Multiplexing (TDMA) is used8 full-rate or 16 half-rate speech channels per 200 kHzchannel. There are eight radio timeslots within a r adioframe.Half rate channels use alternate frames in the sametimeslot. The channel data rate is 270.833 kbit/s, a nd theframe duration is 4.615 ms TDMA/FDMA schemeOn top of this frame structure there is multiframe,superframe <strong>and</strong> hyperframe structures.0 1 2 3 4 5 6 7200kHz4.615ms8
Change language