The original paper is in English. Non-English content has been machine-translated and may contain typographical errors or mistranslations. ex. Some numerals are expressed as "XNUMX".
Copyrights notice
The original paper is in English. Non-English content has been machine-translated and may contain typographical errors or mistranslations. Copyrights notice
Une antenne réseau adaptative doit être utilisée pour la suppression des CCI dans le domaine spatial. Cependant, l'antenne réseau adaptative présente certains problèmes suivants. Étant donné que l'antenne réseau adaptative met beaucoup de temps à converger vers les poids d'antenne optimaux, elle est difficile à suivre en cas de variation rapide du canal. D’un autre côté, la charge de traitement augmente avec le nombre d’éléments dans l’antenne réseau. Pour résoudre ces problèmes, nous proposons une antenne réseau adaptative utilisant une antenne réseau comme antennes élémentaires, appelée « antenne réseau en couches ». Au 1er niveau, les zones de secteurs sont définies. Nous pouvons modifier les zones de secteur en fonction de la distribution DOA, car les zones de secteur sont définies par les poids d'antenne. Au 2ème couche, le MMSE est effectué. Les interférences qui n'ont pas pu être supprimées au niveau de la 1ère couche sont supprimées au niveau de la 2ème couche. Grâce au système proposé, nous avons confirmé une vitesse de convergence plus élevée tout en réduisant la complexité du traitement.
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Hiroyuki YAMASUGE, Ryuji KOHNO, "Adaptive Array Antenna Using Array Antennas as Element Antennas" in IEICE TRANSACTIONS on Communications,
vol. E85-B, no. 10, pp. 1921-1926, October 2002, doi: .
Abstract: An adaptive array antenna should be applied for suppression of CCI in the spatial domain. However, the adaptive array antenna has some problems as follows. Because the adaptive array antenna takes a long time to converge to the optimum antenna weights, it's hard to track in case of quick varying channel. On the other hand, processing burden increases with the number of elements in the array antenna. To solve these problems, we propose an adaptive array antenna using array antenna as element antennas, the so-called "Layered array antenna." At the 1st layer, sector area are defined. We can change the sector areas according to the DOA distribution, because the sector areas are defined by the antenna weights. At the 2nd layer, MMSE is performed. Interference that couldn't be suppressed at the 1st layer is suppressed at the 2nd layer. By the proposed system, we confirmed higher convergence speed while relieving processing complexity.
URL: https://global.ieice.org/en_transactions/communications/10.1587/e85-b_10_1921/_p
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@ARTICLE{e85-b_10_1921,
author={Hiroyuki YAMASUGE, Ryuji KOHNO, },
journal={IEICE TRANSACTIONS on Communications},
title={Adaptive Array Antenna Using Array Antennas as Element Antennas},
year={2002},
volume={E85-B},
number={10},
pages={1921-1926},
abstract={An adaptive array antenna should be applied for suppression of CCI in the spatial domain. However, the adaptive array antenna has some problems as follows. Because the adaptive array antenna takes a long time to converge to the optimum antenna weights, it's hard to track in case of quick varying channel. On the other hand, processing burden increases with the number of elements in the array antenna. To solve these problems, we propose an adaptive array antenna using array antenna as element antennas, the so-called "Layered array antenna." At the 1st layer, sector area are defined. We can change the sector areas according to the DOA distribution, because the sector areas are defined by the antenna weights. At the 2nd layer, MMSE is performed. Interference that couldn't be suppressed at the 1st layer is suppressed at the 2nd layer. By the proposed system, we confirmed higher convergence speed while relieving processing complexity.},
keywords={},
doi={},
ISSN={},
month={October},}
Copier
TY - JOUR
TI - Adaptive Array Antenna Using Array Antennas as Element Antennas
T2 - IEICE TRANSACTIONS on Communications
SP - 1921
EP - 1926
AU - Hiroyuki YAMASUGE
AU - Ryuji KOHNO
PY - 2002
DO -
JO - IEICE TRANSACTIONS on Communications
SN -
VL - E85-B
IS - 10
JA - IEICE TRANSACTIONS on Communications
Y1 - October 2002
AB - An adaptive array antenna should be applied for suppression of CCI in the spatial domain. However, the adaptive array antenna has some problems as follows. Because the adaptive array antenna takes a long time to converge to the optimum antenna weights, it's hard to track in case of quick varying channel. On the other hand, processing burden increases with the number of elements in the array antenna. To solve these problems, we propose an adaptive array antenna using array antenna as element antennas, the so-called "Layered array antenna." At the 1st layer, sector area are defined. We can change the sector areas according to the DOA distribution, because the sector areas are defined by the antenna weights. At the 2nd layer, MMSE is performed. Interference that couldn't be suppressed at the 1st layer is suppressed at the 2nd layer. By the proposed system, we confirmed higher convergence speed while relieving processing complexity.
ER -