INFORMATION FEEDBACK METHOD, TRANSMISSION METHOD, FEEDBACK DEVICE AND TRANSMISSION DEVICE

摘要

Disclosed are an information feedback method, transmission method, feedback device and transmission device. The information feedback method includes that: a second transmission node obtains configuration information sent by a first transmission node; the second transmission node obtains channel status information in a time window according to the configuration information; the second transmission node feeds back the channel status information by taking a subframe set as a unit.