APPARATUS AND METHOD FOR SCHEDULING USING BEAM SCANNING IN BEAMFORMED WIRELESS COMMUNICATION SYSTEM

摘要

PURPOSE: A scheduling apparatus through beam scanning capable of obtaining optimal transmission efficiency in a beam forming based wireless communications system and a method thereof are provided to transmit a reference signal including the identification information configured by including at least one from a cell identification information, a sector identification information, a beam identification information and a beam overload information. CONSTITUTION: A transmission control unit(470) performs the control operation in order to transmit a reference signal using at least one transmission beam pattern. The transmission control unit performs scheduling between beams about a reception group in consideration of a first transmission beam pattern selected in a beam setting unit. Each of multiple RF(Radio Frequency) routes(430-1-430-NT) is connected to each antenna element. The multiple RF routes transmit the reference signal through each transmission beam pattern selected in the beam setting unit. The multiple RF routes form a beam in order to transmit a signal to the reception group using a first transmission beam pattern selected in the beam setting unit. [Reference numerals] (400-1) Channel coding unit 1; (400-K) Channel coding unit K; (410) MIMO coding unit; (420) Line coding unit; (430-1) First AF route; (430-N_1) N_T-th RF route; (432-11,432-N_T1) Modulation unit 1; (432-1N_A,432-N_T N_A) Modulation N_A; (440-11,440-1N_A,440-N_T1,440-N_T N_A) Power amplifier; (450-1) Antenna unit 1; (450-N_T) Antenna unit N_T; (460) Beam setting unit; (470) Transmission control unit; (480) Feedback information receiving unit; (490) Analog beam forming unit; (AA) N_T MINO strings