GSM Air Interface This topic has 0 replies, 1 voice, and was last updated 9 years, 6 months ago by Dwij Aggarwal. Viewing 1 post (of 1 total) Author Posts 18th March 2014 at 07:55 #69554 Dwij AggarwalGuest Hi, Why do we have a block of 4 for everything, including CCCH, BCCCH etc? Is it because each timeslot can transmit only 156.25 bits and the minimum timeslots required (blocks required) to convert to a complete integer is 4? Please help. Dwij Author Posts Viewing 1 post (of 1 total) The forum ‘Telecom Design’ is closed to new topics and replies.