Abstract: An antenna optimum design method according to this invention includes the steps of generating blocks by dividing a metal patch on an antenna element plane vertically and horizontally; setting reference point blocks in alternate blocks and assigning chromosomes to the reference point blocks; determining ways to arrange metal patches in blocks contiguous on one side to the reference point blocks, based on the chromosomes assigned to the reference point blocks; and searching for an optimum chromosomes to be assigned to the reference point blocks by a genetic algorithm to optimize antenna characteristics.

Abstract: A hand phantom for evaluating a mobile apparatus disclosed wherein the hand phantom includes a thumb part, an index finger part, a middle finger part, a ring finger part and a pinky finger part, and in an XY coordinate system where for the mobile apparatus being held, an orientation of a thumb along a width direction of the mobile apparatus is defined as a +X direction, an orientation of a bottom edge of the mobile apparatus along a longitudinal axis of a body of the mobile apparatus is defined as a +Y direction, and a center of a pointing device array of the mobile apparatus is defined as a coordinate origin, the thumb part is arranged within a range of ±6.2 mm in the X direction and ±12.1 mm in the Y direction around a coordinate (X, Y)=(?1 mm, 7 mm) in the XY coordinate system.

Abstract: An antenna optimum design method according to this invention includes the steps of generating blocks by dividing a metal patch on an antenna element plane vertically and horizontally; setting reference point blocks in alternate blocks and assigning chromosomes to the reference point blocks; determining ways to arrange metal patches in blocks contiguous on one side to the reference point blocks, based on the chromosomes assigned to the reference point blocks; and searching for an optimum chromosomes to be assigned to the reference point blocks by a genetic algorithm to optimize antenna characteristics.