Transmitter Precoding for Orthogonal Space-Time Block-Coded OFDM in Transmit-Antenna and Path-Correlated Channels

Orthogonal space-time block-coded (OSTBC) orthogonal frequency-division multiplexing (OFDM) links for frequency-selective multiple-input multiple-output (MIMO) channels with correlated paths and transmit antennas are considered. In such systems, optimal precoding with only covariance feedback is der...

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Vydáno v:IEEE Vehicular Technology Conference s. 1 - 5
Hlavní autoři: Yu Fu, Krzymieri, W.A., Tellambura, C.
Médium: Konferenční příspěvek
Jazyk:angličtina
Vydáno: IEEE 01.09.2006
Témata:
Bit error rate
Decoding
Feedback
Frequency division multiplexing
MIMO
OFDM
Pairwise error probability
Radio transmitters
Receiving antennas
Transmitting antennas
ISBN:9781424400621, 1424400627
ISSN:1090-3038
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Shrnutí:Orthogonal space-time block-coded (OSTBC) orthogonal frequency-division multiplexing (OFDM) links for frequency-selective multiple-input multiple-output (MIMO) channels with correlated paths and transmit antennas are considered. In such systems, optimal precoding with only covariance feedback is derived using the minimum pair-wise error probability (PEP) criterion; linear and non-linear precoders are designed. The proposed precoding only needs the statistical knowledge of the channel at the transmitter, which significantly reduces the feedback requirements. Both linear and non-linear precoders substantially improve the system bit error rate (BER) for OSTBC OFDM in transmit-antenna and path-correlated channels. The proposed non-linear precoder outperforms the linear precoder.
ISBN:9781424400621
1424400627
ISSN:1090-3038
DOI:10.1109/VTCF.2006.94