Fast antenna selection algorithms for MIMO systems
(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)
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/600539
- author
- Choi, Y S ; Molisch, Andreas LU ; Win, M Z and Winters, J H
- organization
- publishing date
- 2003
- 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}}, }