Title :
Adaptive Data Transmission in Downlink MIMO-OFDM Systems with Pre-Equalization
Author :
Trifonov, Peter ; Costa, Ernesto
Author_Institution :
St.Petersburg State Polytech. Univ., St. Petersburg
Abstract :
An optimization algorithm for finding user allocation, bit and power loading in the downlink of MIMO-OFDM systems is proposed. The algorithm represents a generalization of the well-known concepts of LQ decomposition with row pivoting and water filling.
Keywords :
MIMO communication; OFDM modulation; data communication; equalisers; radio links; LQ decomposition; adaptive data transmission; downlink MIMO-OFDM systems; optimization algorithm; preequalization; water filling; AWGN; Base stations; Broadcasting; Data communication; Downlink; MIMO; Multiaccess communication; Transmitters; Transmitting antennas; Vectors;
Conference_Titel :
Communications, 2007. ICC '07. IEEE International Conference on
Conference_Location :
Glasgow
Print_ISBN :
1-4244-0353-7
DOI :
10.1109/ICC.2007.176
