| For each user, one part of the time-slot, which is called midamble, is dedicated to the channel estimation purpose. |
| Neighboring base stations are time-slot synchronized. |
| If the course is shared, it must be scheduled at the same time-slot in all the students' timetables that use this course. |
| This date and time-slot must allow the collection vessel to reach the place indicated in time and shall be agreed between the two parties. |
| The first section was covered during the night as a long time-slot enabling the convoy to pass a railroad crossing was only available at that time. |
