| 摘要 |
A method of controlling spectrum use in a first wireless communications system which is operable to take part in a spectrum assignment process, in which process one of the first wireless communications system and a second wireless communications system assigns a portion of spectrum to the other of the first wireless communications system and the second wireless communications system, the first wireless communications system comprising a plurality of network elements, some or all of which are located within a cell associated with a particular network element of the second wireless communications system, the network elements of the first wireless communications system all operating within the same spectrum band when in use, the method comprising
performing a group coordinated process comprising coordinating network elements of the first wireless communications system to identify a portion of spectrum which is either available for assignment from the network elements of the first wireless communications system to the particular network element of the second wireless communications system, or required to be assigned from the particular network element of the second wireless communications system to the network elements of the first wireless communications system, in the spectrum assignment process.
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