摘要 |
A first base station provides overlapping coverage area with second base stations and third base stations. Second base stations allow regular access to wireless devices and configure a second plurality of special subframes. Second base stations configure the same set of subframes as the second plurality of special subframes. Third base stations allow regular access to a restricted subset of wireless devices and configure a third plurality of special subframes. At least two base stations in the third base stations configure different set of subframes as the second plurality of special subframes.
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