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Fast antenna selection algorithms for MIMO systems

Choi, Y S ; Molisch, Andreas LU ; Win, M Z and Winters, J H (2003) IEEE Vehicular Technology Conference. VTC Fall, 2003 3. p.1733-1737
Abstract
We consider the capacity of multiple-input-multiple-output (MIMO) systems with reduced complexity. One link end uses all available antennas, while the other chooses the "best" L out of N antennas. The selection of the optimum antenna subset requires an exhaustive search of all possible combinations, involving (/sub L//sup N/) computations of determinants of size L /spl times/ L, which can become prohibitively complex. In this paper, we suggest a class of fast antenna selection algorithm that are based on the correlation or mutual information between the signals at the different antenna elements. It requires less than N/sup 2/ vector multiplications and thus leads to dramatic savings on the computation time. Its performance is very close to... (More)
We consider the capacity of multiple-input-multiple-output (MIMO) systems with reduced complexity. One link end uses all available antennas, while the other chooses the "best" L out of N antennas. The selection of the optimum antenna subset requires an exhaustive search of all possible combinations, involving (/sub L//sup N/) computations of determinants of size L /spl times/ L, which can become prohibitively complex. In this paper, we suggest a class of fast antenna selection algorithm that are based on the correlation or mutual information between the signals at the different antenna elements. It requires less than N/sup 2/ vector multiplications and thus leads to dramatic savings on the computation time. Its performance is very close to the optimum selection procedure: the capacity penalty is less than l bit/s/Hz for the analyzed examples. The algorithm thus offers the possibility of almost-optimum selection even in fast-changing environments. (Less)
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author
; ; and
organization
publishing date
type
Chapter in Book/Report/Conference proceeding
publication status
published
subject
keywords
correlation methods, antenna arrays, antenna accessories, MIMO systems
host publication
IEEE 58th Vehicular Technology Conference, 2003. VTC 2003-Fall.
volume
3
pages
1733 - 1737
conference name
IEEE Vehicular Technology Conference. VTC Fall, 2003
conference location
Orlando, FL, United States
conference dates
2003-10-06 - 2003-10-09
external identifiers
  • scopus:4143123219
ISSN
1090-3038
ISBN
0-7803-7954-3
DOI
10.1109/VETECF.2003.1285322
language
English
LU publication?
yes
id
154f0cf8-9ecd-4493-95d2-925cac6afd65 (old id 600539)
date added to LUP
2016-04-04 09:39:11
date last changed
2022-01-29 18:54:12
@inproceedings{154f0cf8-9ecd-4493-95d2-925cac6afd65,
  abstract     = {{We consider the capacity of multiple-input-multiple-output (MIMO) systems with reduced complexity. One link end uses all available antennas, while the other chooses the "best" L out of N antennas. The selection of the optimum antenna subset requires an exhaustive search of all possible combinations, involving (/sub L//sup N/) computations of determinants of size L /spl times/ L, which can become prohibitively complex. In this paper, we suggest a class of fast antenna selection algorithm that are based on the correlation or mutual information between the signals at the different antenna elements. It requires less than N/sup 2/ vector multiplications and thus leads to dramatic savings on the computation time. Its performance is very close to the optimum selection procedure: the capacity penalty is less than l bit/s/Hz for the analyzed examples. The algorithm thus offers the possibility of almost-optimum selection even in fast-changing environments.}},
  author       = {{Choi, Y S and Molisch, Andreas and Win, M Z and Winters, J H}},
  booktitle    = {{IEEE 58th Vehicular Technology Conference, 2003. VTC 2003-Fall.}},
  isbn         = {{0-7803-7954-3}},
  issn         = {{1090-3038}},
  keywords     = {{correlation methods; antenna arrays; antenna accessories; MIMO systems}},
  language     = {{eng}},
  pages        = {{1733--1737}},
  title        = {{Fast antenna selection algorithms for MIMO systems}},
  url          = {{http://dx.doi.org/10.1109/VETECF.2003.1285322}},
  doi          = {{10.1109/VETECF.2003.1285322}},
  volume       = {{3}},
  year         = {{2003}},
}