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ICC
2008
IEEE
15 years 4 months ago
2008
IEEE
Abstract—We propose a closed–loop scheme that combines opportunistic beamforming (OBF) and closed–loop (CL) transmit–diversity (TD) techniques. This quantized OBF scheme is...
GLOBECOM
2008
IEEE
15 years 4 months ago
2008
IEEE
—This paper investigates the tradeoff between throughput and feedback delay of limited feedback beamforming in indoor wireless channels with a practical MIMO-OFDM prototype. Past...
ICC
2008
IEEE
15 years 4 months ago
2008
IEEE
— The multiuser multiple-input multiple-output (MIMO) broadcast channel uses multiple antennas at the transmitter to simultaneously deliver information to multiple users. Despite...
ICC
2007
IEEE
15 years 4 months ago
2007
IEEE
Abstract— We consider multiuser scheduling with limited feedback of partial channel state information in MIMO broadcast channels. By using spatial multiplexing at the base statio...
ICC
2007
IEEE
15 years 4 months ago
2007
IEEE
— This paper proposes a new QAM based codebook for beamforming in multiple-input multiple-output (MIMO) wireless systems with a limited-rate feedback channel. We show that such c...