The Farrell Law Firm, LLP
Apparatus and method for transmitting an uplink signal in a mobile communication system using an OFDMA scheme
Disclosed is a method for transmitting an uplink signal by a mobile station in a mobile communication system using an OFDMA scheme. The method includes estimating a downlink channel status by using a signal received from a base station; determining a precoding matrix by using the estimated downlink channel status; and transmitting a signal obtained by multiplying an uplink signal to be transmitted by the precoding matrix to the base station.
Korea Advanced Institute of Science and Technology Samsung Electronics Co., Ltd.
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inventional additional additional inventional
Jong-Hyeuk Kyung-Chun Eung-Sun Yung-Soo Cheol-Woo Joo-Hwan
Lee Lee Kim Kim You Chun