METHOD AND DEVICE FOR PRE-CODING, AND METHOD AND DEVICE FOR DECODING

摘要

The present invention relates to the wireless communication technology field, and discloses a method and a device for pre-coding and a method and a device for decoding. The method for pre-coding includes: calculating pre-coding matrices for every transmission end according to the sum of mean square errors of data vectors to be transmitted by every transmission end; using the pre-coding matrices to pre-code the data to be transmitted by every transmission end. The present invention realizes an interference alignment method with excellent performance, can effectively increase the capacity of a multi-user interference system and reduce the mutual interference among users, and can be used in LTE and LTE-Advanced CoMP technology.