Method and system for realizing antenna selection in MIMO relay system
A relay system and antenna selection technology, which is applied in the transmission system, radio transmission system, baseband system components, etc., can solve the problems of high cost, increase the design complexity of receiving nodes, etc., and achieve the effect of reducing design complexity
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[0051] Generally speaking, in the MIMO relay system, in order to reduce the implementation complexity of the BF algorithm, the transmit antenna selection operation based on limited feedback can be performed. For a network where both the source node and the relay node have two or more antennas or antenna groups, the following operations can be performed:
[0052] The destination node selects the transmit antenna for the relay node, and indicates the selected transmit antenna index to the relay node; the destination node selects the transmit antenna for the source node, and indicates the selected transmit antenna index to the source node, or, the relay node The node selects the transmit antenna for the source node, and indicates the selected transmit antenna index to the source node;
[0053] The relay node performs signal transmission using the transmission antenna indicated by the destination node, and the source node performs signal transmission using the transmission antenna...
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