摘要 |
<p>Null detectors 108-1 to 108-3 detect the directions of null points of the respective radiation patterns formed for mobile stations 101-1 to 101-3 and output information indicative of detected null-point directions to notifying section 109, notifying section 109 notifies estimators 110-1 to 110-3 of all null information, and estimators 110-1 to 110-3 estimate the directions where mobile stations that cause interference with the respective stations 101-1 to 101-3 exist, and generate reception weights using null information. <IMAGE></p> |