Telecommunications – Transmitter – Diversity
Reexamination Certificate
2004-12-01
2009-08-11
Phu, Sanh D (Department: 2618)
Telecommunications
Transmitter
Diversity
C455S226100, C455S561000, C375S148000, C375S267000, C375S347000
Reexamination Certificate
active
07574178
ABSTRACT:
An apparatus and method for improving the performance of an error correction code against the effects of error waves in a Multi-Input Multi-Output (MIMO) communication system are provided. In a receiver of the MIMO communication system, a Minimum Mean Square Error (MMSE) receiver unit estimates transmitted signals from at least two paths using signals received at each of receive antennas, a signal deprocessor selects one of the estimated signals, stores the other estimated signal, assigns weighting values to the selected signal and a previous detected signal, combines the weighted signals, and detects transmitted data from the combined signal, a signal reproducer reproduces a transmitted signal from the detected transmitted data, and a subtractor updates the received signals by subtracting the reproduced transmitted signal from the received signals and provides them to the MMSE receiver unit.
REFERENCES:
patent: 6714584 (2004-03-01), Ishii et al.
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patent: 6785341 (2004-08-01), Walton et al.
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Choi Gin-Kyu
Lee Hye-Jeong
Lee Hyun-Bae
Lee Jeong-Won
Moon Yong-Suk
Phu Sanh D
Roylance Abrams Berdo & Goodman L.L.P.
Samsung Electronics Co,. Ltd.
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