Performance analysis for AM in MIMO-OFDM systems

This paper proposes an adaptive modulation (AM) algorithm for multiple-input multiple-output orthogonal frequency division multiplexing (MIMO-OFDM) systems with Vertical Bell Laboratories Layered Space-Time (V-BLAST) and orthogonal-triangular decomposition (QR) detection firstly. Then performance analysis is derived in closed form. Simulation results show that the theoretic bit error rate (BER) and spectral efficiency are very accordant to the simulated ones, respectively. Through the simulation, it is also seen that the adaptive modulation algorithm can improve not only the spectral efficiency but also the BER performance, remarkably.

[1]  Pravin Varaiya,et al.  Capacity of fading channels with channel side information , 1997, IEEE Trans. Inf. Theory.

[2]  Georgios B. Giannakis,et al.  How accurate channel prediction needs to be for transmit-beamforming with adaptive modulation over Rayleigh MIMO channels? , 2004, IEEE Transactions on Wireless Communications.

[3]  Matthew R. McKay,et al.  Adaptive MIMO Transmission for Exploiting the Capacity of Spatially Correlated Channels , 2007, IEEE Transactions on Vehicular Technology.

[4]  H. Sampath,et al.  Adaptive modulation for multiple antenna systems , 2000, Conference Record of the Thirty-Fourth Asilomar Conference on Signals, Systems and Computers (Cat. No.00CH37154).

[5]  Branka Vucetic,et al.  Space-Time Coding , 2003 .

[7]  M. Dohler,et al.  MIMO systems with adaptive modulation , 2004, IEEE Transactions on Vehicular Technology.

[8]  M. Dohler,et al.  MIMO systems with adaptive modulation , 2005, 2004 IEEE 59th Vehicular Technology Conference. VTC 2004-Spring (IEEE Cat. No.04CH37514).

[9]  M. Shafi,et al.  Performance analysis for adaptive MIMO SVD transmission in a cellular system , 2006, 2006 Australian Communications Theory Workshop.

[10]  H. Bölcskei,et al.  MIMO-OFDM wireless systems: basics, perspectives, and challenges , 2006, IEEE Wireless Communications.

[11]  Helmut Bölcskei,et al.  MIMO-OFDM wireless systems: basics, perspectives, and challenges , 2006, IEEE Wirel. Commun..

[12]  Branka Vucetic,et al.  Space-Time Coding , 2003 .

[13]  J. Tellado,et al.  A fourth-generation MIMO-OFDM broadband wireless system: design, performance, and field trial results , 2002, IEEE Commun. Mag..

[14]  Antonia Maria Tulino,et al.  Random Matrix Theory and Wireless Communications , 2004, Found. Trends Commun. Inf. Theory.