Irregular splicing sub-array framework for large-scale MIMO beam forming
An irregular and large-scale technology, applied in radio transmission systems, advanced technologies, electrical components, etc., can solve the problems of MIMO transmission rate effect is not obvious, difficult, without consideration of transmission rate, signal-to-noise ratio, etc.
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[0047] Consider a point-to-point communication system, the base station is configured with an area array composed of 64 antenna elements, Sending 32 independent data streams, the user side is equipped with an area array composed of 64 antenna units. Since it takes a long time to divide the irregular sub-array considering the simultaneous transmission and reception, this calculation example only considers the irregular sub-array division of the array at the base station transmitting end, and the traditional regular array is still used for the array at the user end. The final designed array layout is Figure 4 shown, its spectral efficiency is Figure 5 As shown in the figure, it can be seen that although its spectral efficiency is lower than that of the traditional MIMO array with 64 elements transmitting and 64 receiving elements, for the traditional MIMO array that also uses 32 elements transmitting and 64 elements receiving, its spectral efficiency is significantly higher...
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