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Optimum pilot pattern for MMSE channel estimation in single-carrier MIMO systems
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- Authors
- Issue Date
- 2004-09
- Citation
- VTC2004-Fall. 2004 IEEE 60th Vehicular Technology Conference, 2004
- Keywords
- pilot ; channel estimation ; MIMO
- Abstract
- The minimum mean squared error (MMSE)
channel estimator (CE) can provide receiver performance better
than the least square (LS) CE. However, the MMSE CE usually
uses a pilot pattern optimally designed for the LS CE. In this
paper, we derive an optimum pilot pattern for the MMSE CE in
single-carrier MIMO systems assuming that both the transmitter
and receiver know the average channel information, such as the
channel correlation matrix and signal to interference and noise
power ratio. Analytic and simulation results show that the
MMSE CE with the use of the proposed pilot pattern can reduce
the MSE compared to the use of one optimized for the LS CE
- Language
- English
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