| 摘要 |
There is provided a method for allocating a transmission power to a second communication service making secondary usage of a spectrum assigned to a first communication service, in a node which is able to communicate with a secondary usage node, comprising the steps of: determining an interference power acceptable for two or more second communication services when the two or more second communication services are operated; distributing a transmission power depending on the interference power among the two or more second communication services according to a first rule; distributing the transmission power similarly according to a second rule; selecting one of the first rule and the second rule based on transmission powers distributed according to the first rule and transmission powers distributed according to the second rule; and allocating the transmission powers distributed according to the selected rule respectively to the two or more second communication services.
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