TRANSMIT DIVERSITY APPARATUS AND METHOD USING TWO OR MORE ANTENNAS

摘要

A transmit diversity system having at least four antennas. A UTRAN (UMTS (Universal Mobile Telecommunication System) Terrestrial Radio Access Network ) transmitter in a mobile communication system having at least four antennas comprises a first adder connected to a first antenna, a second adder connect ed to a second antenna, a third adder connected to a third antenna, and a fourt h adder connected to a fourth antenna.