EP3829072A1

Not Available

Title

Method And Apparatus For Feeding Back Information About Channel Between Antenna Arrays

Application Number:

EP20193940A

Publication Date:

02-06-2021

Current Assignee:

HUAWEI

Family ID:

57319078

Application Date:

19-05-2015

Publication Country:

US

View on Espacenet

Priority Date:

19-05-2015

Declaring Company:

Abstract  Abstract

Embodiments of the present invention disclose a method for feeding back information about a channel between antenna arrays, including: receiving, by a first network device, channel information of N×M sub-channels that is sent by a second network device, where an antenna array of the first network device includes M subarrays, an antenna array of the second network device includes N subarrays, a channel between the antenna array of the first network device and the antenna array of the second network device includes the N×M sub-channels, M and N are positive integers and are not both 1, and the M subarrays and the N subarrays each include at least two antennas; and generating channel information of the channel between the antenna array of the first network device and the antenna array of the second network device according to the channel information of the N×M sub-channels that is from the second network device. Compared with the prior art, in the embodiments of the present invention, the disclosed method for feeding back information about a channel between antenna arrays can reduce complexity of obtaining channel information and improve efficiency of channel information feedback.

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