Palavra-chave: LATTICES

CODES OVER GROUPS FLAT TORUS PERFECT CODES PERFORMANCE ANALYSIS SPHERE PACKINGS DENSE PACKINGS INTEGER RING INFORMATION GEOMETRY PROJECTIONS MOBILE TELEPHONE SYSTEMS PERFECT CODES ON GRAPHS ALGEBRAIC LATTICES FUCHSIAN GROUPS CYCLIC CODES GENERALIZED CONCATENATED CODES NUMBER FIELDS SET PARTITIONING CIRCULANT GRAPHS SPHERICAL CODES CONCATENATED CODES DECODING ALGORITHM HYPERBOLIC SPACE QUATERNION ORDER HYPERBOLIC SIGNAL CONSTELLATION CÓDIGOS CORRETORES DE ERROS LATTICES CODES GRAPH GENUS CODE FORMULA FREQUENCY ALLOCATION TRELLIS CODES LEE METRIC CODING