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Diversity multiplexing gain tradeoff of co-ordinate interleaved spatial multiplexing
Published in
2008
Pages: 1473 - 1477
Abstract
Spatial multiplexing over multiple-input multiple-output (MIMO) channels significantly improves the data rates over wireless channels. With channel knowledge at both ends of the link, many spatial multiplexing schemes have been proposed in literature, showing improved performance with respect to some performance measure. Co-ordinate interleaved spatial multiplexing (CISM) [1] is one such scheme that has been shown to achieve improved error rate performance. In this paper, we analyze CISM from diversity-multiplexing gain tradeoff (DMT) perspective. We focus on CISM over MIMO channels having only two degrees of freedom and show that the DMT of CISM is a straight line connecting the two extreme points (0, 2m) and (2,0) where m = max{Nt, Nr}. This result shows that CISM outperforms many other schemes that require same amount of feedback. © 2008 IEEE.
About the journal
JournalIEEE Vehicular Technology Conference
ISSN15502252
Open AccessNo
Concepts (18)
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    Communication channels (information theory)
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    Computer system recovery
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    Dilatometers
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    Image compression
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    Mim devices
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    CHANNEL KNOWLEDGE
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    Data rates
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    DIVERSITY-MULTIPLEXING GAIN TRADEOFFS
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    ERROR-RATE PERFORMANCE
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    Extreme points
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    MIMO CHANNELS
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    MULTIPLE INPUT MULTIPLE OUTPUTS
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    Performance measures
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    SPATIAL MULTIPLEXING
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    Straight lines
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    TWO DEGREES OF FREEDOMS
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    Wireless channels
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    Multiplexing