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To do this, we propose a method to map base stations'' activities onto subframes with regular patterns. We aim to mitigate interference by limiting the activity of a given base station to some
CoMP is a special technique of base station cooperation. The history of base station cooperation can be traced back to the 1990s when the concept of macro-diversity was proposed.
Sharing channel information and user date, several cooperative BSs (Base stations) in CoMP (Coordinated Multi-Point) transmit multi-streams to one user or multiple users simultaneously which can convert inter-cell interference signal to desired signal .
For example, in Code Division Multiple Access (CDMA) networks, a mobile station can communicate simultaneously with several base stations by means of soft handoff, and it can select the best channel among those base stations at any given time by selection diversity.
A point refers to a set of geographically co-located transmit antennas, such as the set of antennas at a cellular base station (BS). Note that different sectors of the same BS site are thought of as different points.
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