METHOD AND APPARATUS FOR PROCESSING DOWNLINK COMMUNICATION AND ASSISTANT METHOD AND APPARATUS THEREOF

摘要

A method and apparatus for processing downlink communication and an assistant method and apparatus thereof are provided by the present invention, wherein according to an embodiment of the present invention, a method for assisting a base station to process the downlink communication in a mobile terminal is provided. The method includes the following steps: estimating a downlink channel between the base station and the mobile terminal; determining a spatial correlation matrix between the base station and the mobile terminal according to the result of estimating the downlink channel; determining at least one pre-coding vector from a plurality of prestored pre-coding vectors based on the spatial correlation matrix; and notifying the base station of the at least one pre-coding vector and spatial correlation matrix which have been determined. The present invention improves the system performance, and enhances the average throughput and border user throughput of a multi-user Multiple Input Multiple Output (MIMO) system, and has a wider application region comparing with the original codebook and feedback mechanism.