Scheduling in a cellular communication system using a large excess number of base station antennas

摘要

The present disclosure is directed to a system and method for selecting a sub-group of user terminals (UTs) among a group of UTs served by a sector of a cellular network to schedule independent data streams for transmission to over the same time-frequency interval. In one embodiment, the sub-group of UTs is selected to limit inter-user interference among the sub-group of UTs. In another embodiment, the sub-group of UTs is selected to limit inter-user interference experienced by a UT that is at or near the boundary of the sector that serves the sub-group of UTs.

主权项

1. A method, comprising:
selecting a subgroup of user terminals (UTs) from among a group of UTs served by a sector; scheduling, for each UT in the subgroup of UTs, a different data stream for transmission over a same time-frequency interval; and precoding the different data streams to produce precoded data streams for transmission over the same time-frequency interval by more antennas than the number of precoded data streams, wherein selecting the subgroup of UTs further comprises selecting the subgroup of UTs based on a location and direction of movement of at least one UT in the group of UTs.