Staas & Halsey LLP
Multi-input multi-output system for enhancing transmission performance
The present invention relates to a multi-input multi-output (MIMO) system for enhancing transmission performance. The MIMO system uses space-time encoding and transmit antenna selection methods, and includes a transmitter (100) and a receiver (200). The transmitter (100) includes N transmit antennas (130-1, 130-4) that are more than M transmit antennas (130-1, 130-3) used for transmitting a signal to space channel, selects the M transmit antennas (130-1, 130-3) among the N transmit antennas (130-3 130-4), and transmits symbol by space-time encoding the symbol. The receiver (200) includes M receive antenna (120-1, 210-2) for receiving a signal from the space channel, detects an information symbol by using the signal received through the receive antenna (210-1, 210-2), generates transmit antenna selection information for selecting M transmit antennas (130-1, 130-3) among transmit antennas (i30-1, . . . 7130-4) with reference to a channel estimate, and returns the information to the transmitter.
Electronics and Telecommunications Research Institute Industry-Academic Cooperation Foundation, Yonsei University
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Seung-Joon Young-Seog Seung-Ku Chung-Yong Seong-Rag Kwang-Jae Myeong-Cheol Yu-Ro Hyoung-Soo Dong-Seung In-Kyeong Jong-Ee Choong-Il
Lee Song Hwang Lee Kim Lim Shin Lee Lim Kwon Choi Oh Yeh