Space-time-frequency block coding for OFDM systems

被引：0
|
作者：
Luo, Wei [1 ]
Wu, Shi-Qi [1 ]
机构：
[1] Inst. of Commun. and Info. Eng., Univ. of Electron. Sci. and Technol., Chengdu 610054, China
来源：
Xi Tong Gong Cheng Yu Dian Zi Ji Shu/Systems Engineering and Electronics | 2005年 / 27卷 / 03期
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摘要：
A space-time-frequency block coding scheme for orthogonal frequency division multiplexed (OFDM) systems is derived. The design thinking is to obtain the maximum uncorrelated group of subcarriers according to the sub-channel correlation properties, then to feed it back to transmitter, thus constructing the space-time-frequency block code using the constellation-rotating precode matrix and space-time block code. The proposed scheme allows for any number of transmit and receive antennas, and can attain improved diversity gains and very high bandwidth efficiency with low decoding complexity. The robustness of the proposed design over Rayleigh fading channels is verified by simulations.
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页码：391 / 394
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