Darryl Dexu Lin, Teng Joon Lim. Turbo Equalization for Gray-Coded M-ary QAM with Bit-Level Soft Decisions. In IEEE International Symposium on Information Theory, ISIT 2007, Nice, France, June 24-29, 2007. pages 1701-1705, IEEE, 2007. [doi]
Abstract is missing.