An automatic power control system, a down sampling circuit and a down sampling method. The plate defines a number of through holes. A combination of the downlink interval, the guard interval and the uplink interval is given using configuration information on the specific subframe. Both the medical information card and the medical information sheet can have a digital picture of the user so that medical practitioners do not mix information relating to one user with information relating to another user. The buffer layer is formed on at least a part of the bottom surface. A first enhancement identifies when a user is adding a favorite to his favorites list and auto-suggests a category under which the favorite could be stored.