| 摘要 |
PURPOSE:To improve the frequency utilizing efficiency in the time division multiplex connection mobile communication by assigning much more slots adjacent timewise on a same carrier to a call incident with priority from a non-use slot among non-use slots by a radio base station. CONSTITUTION:Suppose that there is a radio base station whose slots are in the operating state and the interruption state as 3-1, 3-5, 3-6 shown in figure in the communication system making 6-channel time division multiple connection TDM communication, then an assignment priority table recording assignment priority of a specific format, busy slot number and adjacent busy slot number is revised at call incidence and at end of call and slots are assigned to calls according to the table at the incidence of calls. That is, the channel is assigned with priority from a larger adjacent busy slot number, e.g. busy slots adjacent a slot 3-3 in the 3-1 are 2 at maximum. In this case, the priority order is placed as 3-3, 3-2, 3-4.
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