Abstract
A method of feedback of channel information for an array antenna is disclosed, wherein the first network device receives channel information about N x M sub-channels transmitted by a second network device-an array of first network devices The antenna includes M sub-arrays, the array antenna of the second network device includes N sub-arrays, and the channel between the array antenna of the first network device and the array antenna of the second network device is N × M Includes four sub-channels, M and N are positive integers and not simultaneously 1, and M sub-arrays and N sub-arrays include at least two antennas; And generating channel information regarding a channel between the array antenna of the first network device and the array antenna of the second network device, according to the channel information for N × M sub-channels from the second network device. do. Compared to the prior art, the channel information feedback method between array antennas disclosed in embodiments of the present invention can reduce the complexity of acquiring channel information and improve the efficiency of channel information feedback.
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| WO2016183803A1 | 5G | 25/12/2017 | ISLD-201711-019 | HUAWEI |
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