Patent ID: 7302018
Filing Date: 2007-11-27
Classification: H04B,H04L

Abstract:
1. A multistage iterative minimum mean square error detection method for a multiple-input, multiple-output (MIMO) communications system, comprising the steps of: (a) receiving Q samples at Q receive antennas of P symbols transmitted from P transmit antennas of a remote transmitter, where P is an integer greater than 1 and Q is an integer not less than P; (b) iteratively first detecting each of said P symbols using said Q samples wherein each of said first detections is a minimum mean square error detection including cancellation of symbols detected in prior iterations of said first detections; and (c) after step (b), iteratively second detecting ones of said P symbols using said Q samples wherein each of said second detections is a minimum mean square error detection including cancellation of said symbols detected in either prior iterations of said second detections or in said first detections.