In this paper. we introduce the optimal signal constellation design (OSCD) in both 2-D and multidimensional cases. which is obtained by minimization of mean square error of optimal source distribution. In addition. https://www.diegojavierfares.com/mega-super-Custom-Moulded-Cargo-Boot-Liner-Suits-Citroen-Grand-C4-Picasso-9-2006-On-Wagon-EXP-CARCRN00026-best-super/