OFDM with multiple antennas has been considered in the future
wireless communication systems. The challenge in the detection of a
space-time signal is to design a low-complexity detector, which can
remove interference resulted from channel variations and approach
the interference-free bound. In this book, we employ an iterative
receiver with a decoder metric, so that the bias effect in the
iterations is considerably reduced, which is critical for the
performance of the iterative algorithm. A new algorithm is proposed
for intercarrier interference cancellation in high mobility
scenarios. Furthermore, a simplified method is developed to reduce
the computation complexity in the frequency- domain equalizer. In
time-variant scenarios, we investigate a pilot-assisted channel
estimation method under the assumption that the channel can be
approximated by a linear model. The estimated channel will be used
to update the frequency-domain equalizer and parallel interference
canceler (PIe in the iterative MIMO-OFDM receiver. It is shown that
the proposed equalization algorithm with estimated channel state
information can mitigate the effect of ICI effectively.
General
Imprint: |
VDM Verlag
|
Country of origin: |
Germany |
Release date: |
November 2009 |
First published: |
November 2009 |
Authors: |
Rui Li
|
Dimensions: |
229 x 152 x 8mm (L x W x T) |
Format: |
Paperback - Trade
|
Pages: |
128 |
ISBN-13: |
978-3-639-21274-7 |
Categories: |
Books >
Computing & IT >
General theory of computing >
General
|
LSN: |
3-639-21274-6 |
Barcode: |
9783639212747 |
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