Method for Acquiring Channel Information, Apparatus, and System

摘要

Embodiments of the present disclosure provide a method for acquiring channel information, an apparatus, and a system, relate to the communications field, and can reduce overhead of pilot signals in a process of acquiring channel state information. In various embodiments, a base station selects first preset antennas from an antenna array, maps the first preset antennas to pilot signals, and sends the pilot signals and antenna configuration information to a terminal, and the terminal obtains channel state information of second preset antennas by means of calculation according to the pilot signals and the antenna configuration information. The present disclosure can be applied for acquiring channel state information.

主权项

1. A method for acquiring channel information, comprising:
mapping, by a base station, first preset antennas in an antenna array to pilot signals; sending the pilot signals and antenna configuration information to a terminal, wherein the antenna configuration information comprises pattern information of the first preset antennas and pattern information of second preset antennas; and receiving channel state information of the second preset antennas that is fed back by the terminal, wherein the first preset antennas and the second preset antennas are in the same antenna array, and wherein the first preset antennas are different from the second preset antennas.