Codebook design method for three-dimensional (3D) antenna configuration
A technology of antenna configuration and design method, applied in diversity/multi-antenna system, radio transmission system, space transmit diversity and other directions, can solve the problem of no 3D antenna, etc., and achieve the effect of good compatibility and simple design
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[0027] The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
[0028] The rectangular antenna array is a typical 3D antenna configuration, and the method according to the present invention will be explained in conjunction with the rectangular antenna array in the following description.
[0029] For geographically distributed rectangular antenna arrays, each row of antenna arrays has a similar spatial direction, and each column of antenna arrays also has a similar spatial direction. This means that for each row / column antenna array, the same codeword can be used to quantify the corresponding horizontal / vertical channel state information. The horizontal codebook represents the row antenna array, and the vertical codebook represents the column antenna array. The horizontal codebook may be a newly designed codebook or a codebook composed of all or part of the existing Rel-10 codebook, because the Rel-10 codebo
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