A self-aligned wafer or chip structure including a substrate, at least one first concave base, at least one second concave base, at least one connecting structure and at least one bump is provided. New instructions are defined which provide for the deployment of additional multiply and add operations as a result of a single instruction, and for the deployment of greater multiply and add operands as the symbol size is decreased. The relay station further includes a signal transmission unit configured to transmit both or one of the received signal and the generated signal associated with a radio bearer to the second communication station. Furthermore, a variety of non-authentication scenarios can be supported using the authentication server’s association. This allows to preserve the order of routing entries and to hide the amount of switches that have been traversed in the home network. In the mobile-type electronic apparatus, a control circuit is arranged to switch the power supply for the display circuit from one state over to another, according to an operation performed on a switch portion, in such a way as to supply electric power only when the use of the LCD panel and a back light is necessary.