timeslot count in GSM This topic has 2 replies, 1 voice, and was last updated 10 years, 11 months ago by Club. Viewing 3 posts - 1 through 3 (of 3 total) Author Posts 29th December 2011 at 05:13 #67688 ClubGuest Hii Friends, I want to know that why there are only 8 time slots are defined for GSM, having bandwidth of 200 Khz. why it is not to be more or less timeslots there. 2nd January 2012 at 16:21 #67689 RaheelGuest Bandwidth of GMSK filter is 67.5 Hz and the output of the mobile is at 270.33kbps Therefore, 270/67.5 = 4 i.e. -4 channels in UL and 4 channels in DL thus giving us 8 timeslot per TRX. Regards, 3rd January 2012 at 06:44 #67690 ClubGuest Thnx Raheel to Elaborate on this topic it helps me. My question: should we have to bound 8 TS in UL and DL ??? Or we use them dynamically. Author Posts Viewing 3 posts - 1 through 3 (of 3 total) The forum ‘Telecom Design’ is closed to new topics and replies.