Cellular Interference Alignment with Imperfect Channel Knowledge

Interferencealignmentisevaluatedasatechniquetomitigateinter-cellinterferenceinthedownlinkofacellularnetworkusingOFDMA.Thesummutualinformationachievedbyinterferencealignmenttogetherwithazero-forcingreceiverisconsidered,andupperandlowerboundsarederivedforthecaseofimperfectchannelknowledg