Finite Lattice-Size Effects in MIMO Detection
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Date
2008
Publication Type
Conference Paper
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yes
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Abstract
Many powerful data detection algorithms employed in multiple-input multiple-output (MIMO) communication systems, such as sphere decoding (SD) and lattice-reduction (LR)-aided detection, were initially designed for infinite lattices. Detection in MIMO systems is, however, based on finite lattices. In this paper, we systematically study the consequences of finite lattice-size for the performance and complexity of MIMO detection algorithms formulated for infinite lattices. Specifically, we find, considering performance and complexity, that LR does not seem to offer advantages when used in conjunction with SD.
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published
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2008 42nd Asilomar Conference on Signals, Systems and Computers
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Pages / Article No.
2032 - 2037
Publisher
IEEE
Event
42nd Asilomar Conference on Signals, Systems, and Computers
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Software
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Subject
MIMO wireless; data detection; sphere decoding; lattice decoding; lattice reduction
Organisational unit
03610 - Boelcskei, Helmut / Boelcskei, Helmut
03228 - Fichtner, Wolfgang (emeritus)