| 摘要 |
<p>The invention pertains to a channel allocation method in a cellular radio system. The mobile radios (MS) have permanently stored in their memories a first group of radio channels scanned in a normal hunt sequence and a second group of radio channels scanned in a comprehensive hunt sequence. According to the invention a) when the control channel of a base station (BS) is changed, a channel permanently belonging to the first group is allocated as a new control channel to the base station whenever such a channel is available, b) if a channel belonging to the second group has to be allocated as a control channel, it is transferred temporarily to the first group and the change of group is announced through control channels to the mobile radios, and c) a channel permanently belonging to the first group is re-established as the control channel of a base station as soon as such a channel is available and the freed channel is returned to the second group.</p> |
