Feedback scheme for MU-MIMO

摘要

Embodiments of a system and method for managing feedback in a MU-MIMO system. An access point can announce one or more of mobile stations that are to receive downlink information in a first frame. The access point can also send a sounding package to the one or more mobile stations and receive feedback from the one or more mobile stations according to the feedback schedule. The feedback may be based on the reception of the sounding package.

主权项

1. A method to manage feedback in a communication system, the method comprising:
sending a sounding package to a mobile station of a group of mobile stations over an antenna array of a multiple user multiple input multiple output (MU-MIMO) system, the sounding package to include multiple feedback parameters for feedback from the mobile station, the feedback parameters to comprise a feedback type and a feedback dimension; and receiving a feedback matrix from the mobile station in accordance with the feedback type and the feedback dimension of the sounding package.