Patent ID: 9001917
Filing Date: 2015-04-07
Classification: H01Q,H04B

Abstract:
1. A method to generate Multiple Input Multiple Output (MIMO) signals in a wireless propagation channel using antenna array port Orthogonal Modes, the method comprising: acquiring an antenna array port scattering matrix S at a first frequency; calculating, a set of antenna array port orthogonal modes, wherein the set of antenna array port orthogonal modes include antenna array port characteristic modes based on antenna array port scattering matrix S at a first frequency; ordering the port characteristic modes at a first frequency based on a system performance criteria, the system performance criteria comprising one or more of: a maximum modal significance parameter α, a maximum radiation efficiency, a maximum SINR at the user, a minimum interference at the user, and a maximum capacity; deriving antenna array excitation coefficients at a first frequency from the antenna array port characteristic modes at a first frequency; and applying the antenna array excitation coefficients as antenna array port excitation weights.