Abstract
As multi-antenna being used in MIMO system to transmit signals with the same carrier frequency, one physical channel will contain multi-virtual independent Rayleigh fading channel (VIRFC), among which very small relative time delay is existed, so the definition in MIMO theory for the independent Rayleigh fading channel (IRFC) in MIMO system is wrong. Based on the Shannon formula and the principle of phase-controlled antenna array, an SHPCA system would be presented in the paper to substitute the MIMO system, as well as the 3-dimensional channel capacity formula with its capacity proportional to the number of antennas and that of space division multiplex (SDM), which would have higher efficiency than Shannon formula. Also the principle and research method to obtain the gain of channel capacity would be given in the paper, so as the simulation results.
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