SYSTEMS AND METHODS FOR SCHEDULING SU AND MU MIMO TRAFFIC

摘要

Systems and methods are disclosed for scheduling SU and MU traffic in a MIMO communications system. Net goodput may be estimated for a station using a plurality of MIMO modes and a transmission to the station may be scheduled using one of the MIMO modes based, at least in part, on the estimated net goodput. Estimating net goodput may include determining a number of bits that may be successfully transmitted to the station using the MIMO mode divided by a time required to transmit the number of bits plus the sounding time. Further, the number of bits that may be successfully transmitted to the station may be based on the number of packets that may be delivered over the upcoming sounding interval and statistically determined goodput for each MIMO mode.

主权项

1. A method for communication in a multiple input multiple output (MIMO) system comprising:
determining a length of an upcoming sounding interval initiated by a channel sounding protocol occurring over a sounding time; estimating a net goodput to a station for each of a plurality of MIMO modes; and scheduling a transmission to the station during the upcoming sounding interval using one of the MIMO modes based, at least in part, on the estimated net goodput.