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Low complexity MIMO detection based on the slowest descent method

delete2007-05-01
delete2
PRE
AI
F
Frederik Simoens *
H
Henk Wymeersch
M
Marc Moeneclaey
DOI：10.1109/LCOMM.2007.062022delete
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Abstract

Abstract

En 中文
This contribution presents a novel multiple-input multiple-output (MIMO) detection scheme for Quadrature Amplitude Modulation (QAM). The proposed method is based on the slowest descent (SD) method and is suitable for both iterative and non-iterative detectors. Similar to other low-complexity detection schemes, such as sphere decoding, the new SD approach restricts the maximization/marginalization to a small set of candidate vectors. Simulation results indicate that the method achieves a close-to-optimal performance, with a complexity that scales only linearly with the number of transmit antennas.
Keywords:
MIMO detection
maximum-likelihood decoding
iterative processing

Journal

IEEE Communications Letters cover
IEEE Communications Letters
IF:
4.4
Papers:
1.3W
Citations:
2.2W

Organization

No organization information available