# Dyadic-Green-Function-MIMO
Free-space dyadic Green's function method for calculating the vector channel matrix of near-field MIMO communications.
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## Publication
S. S. A. Yuan, Z. He, X. Chen, C. Huang, and W. E. I. Sha, “[Electromagnetic effective degree of freedom of an MIMO system in free space](https://ieeexplore.ieee.org/document/9650519),” IEEE Antennas Wirel. Propag. Lett., vol. 21, no. 3, pp. 446-450, 2022.
## MATLAB files
vector_channel.m: Given the positions of transmitting and receiving antennas, this code calculates the vector channel matrix considering full-polarizations. Then, the effective degree of freedom (EDOF) or capacity of near-field MIMO communication systems can be estimated.
## Other information
Repository Author: Shuai S. A. Yuan
Email: shuaiyuan1997@zju.edu.cn