Provided is a communication method of a neighboring terminal and a target terminal in which a cooperative terminal that has a better SINR or a better channel condition provides help to a target terminal through cooperation between terminals based on a random access mode or a scheduling mode, so that an SINR of the target terminal is improved without help from a base station. The circuit board may also contain other circuits and circuit elements such as trim capacitors, inductors, low noise amplifier circuits and power amplifiers that are part of the filter’s function. A non-inverting amplifier amplifies the analog audio signal. Upon a seamless transfer or handoff resulting in a simulcast replicator or multicast replicator providing further portions of the multimedia program, a signal is sent to a viewership statistic server for incrementing a counter. The annular tapered inner surface engages the annular tapered outer surface of the protruding portion.