Performance Analysis of Spatially Correlated MIMO-OFDM Beamforming Systems with the Maximum Eigenvalue Model from Measured MIMO Channels

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The performance of MIMO-OFDM beamforming systems with maximal ratio combining receivers is considered based on the extensive wideband 2 x 8 (i.e., 2 transmitting and 8 receiving antennas) MIMO channel measurement data in non line-of-sight urban macrocell environments. Using the experimental observation that the probability density function (PDF) of the measured maximum eigenvalue for H-m(dagger) H-m, where H-m and superscript (dagger) denote a MIMO channel frequency response matrix and conjugation and transposition, respectively, matches the Gamma distribution well, we propose the maximum eigenvalue model as Gamma distributed random variables whose parameters are both transmitting and receiving correlations and the number of receiving antennas. Using the model, the performances of MIMO-OFDM beamforming systems, such as the PDF of the output signal-to-noise ratio, outage probability, symbol error rate, and achievable diversity order, are analyzed to demonstrate the effect of spatial correlation in the realistic 2 x n (downlink) and n x 2 (uplink) MIMO channels.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2012-10
Language
English
Article Type
Article
Keywords

RATIO TRANSMISSION; WIRELESS COMMUNICATIONS; COMMUNICATION; DIVERSITY; CAPACITY; MRC; NETWORKS; FEEDBACK; CODES; SER

Citation

IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS, v.11, no.10, pp.3744 - 3753

ISSN
1536-1276
DOI
10.1109/TWC.2012.083012.120164
URI
http://hdl.handle.net/10203/104387
Appears in Collection
EE-Journal Papers(저널논문)
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