Multi-cell cooperative transmission scheme based on interference utilization
A multi-cell cooperation and transmission scheme technology, applied in transmission systems, transmission monitoring, radio transmission systems, etc., can solve problems such as reducing optimization space, achieve the effects of reducing the average symbol error rate, improving signal quality, and simplifying the system model
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[0044] The present invention provides a multi-cell cooperative transmission scheme based on interference utilization. The applied wireless transmission system includes two cells, the base station of each cell is equipped with M antennas, and the number of users served in each base station is K, so The users of the service are equipped with a single antenna.
[0045] See figure 1 , A multi-cell coordinated transmission scheme based on interference utilization of the present invention includes the following steps:
[0046] S1. The two base stations share data information but do not share new channel state information. The two base stations send information to all service users at the same time, and the transmitted information symbols adopt the MPSK modulation method;
[0047] S2, using the symbol-level precoding method, respectively calculate the measurement scale for users in the cell to receive signals transmitted from base stations in their own cells and the measurement scale for s...
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