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".
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The original paper is in English. Non-English content has been machine-translated and may contain typographical errors or mistranslations. Copyrights notice
L'analyse d'une nouvelle antenne à boucle pliée pour combiné est décrite ainsi que le concept de conception avancé pour les antennes de combiné. Le concept de conception présenté dans cet article répond aux principales exigences des antennes de combiné telles que (1) une petite taille et pourtant (2) a la capacité d'atténuer la dégradation des performances de l'antenne due à l'effet de corps, et (3) de réduire la valeur SAR dans le tête humaine en position de conversation du combiné, en plus des exigences indispensables pour les antennes du combiné telles que (4) profil bas et (5) poids léger. La technologie appliquée consiste à faire de cette antenne (a) une structure intégrée, qui est une application typique du concept fondamental de fabrication d'antennes petites et (b) une structure équilibrée qui s'est avérée très efficace pour satisfaire aux exigences (2) et (3). L'antenne est essentiellement une ligne de transmission à deux fils, pliée à environ un quart de longueur d'onde pour former un dipôle plié demi-onde, et semble pourtant être une boucle d'une longueur d'onde. Il n'a pas vraiment une structure équilibrée, car il est alimenté par une ligne déséquilibrée ; cependant, la structure de l'antenne elle-même peut éliminer le flux de courant déséquilibré sur la ligne d'alimentation comme dans le système d'antenne équilibré. Des analyses théoriques et expérimentales ont été présentées et l'utilité de l'antenne est discutée. Cet article peut suggérer la technologie avancée et le concept de conception qui seront appliqués au développement d’antennes de combiné à l’avenir.
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Yongho KIM, Hisashi MORISHITA, Yoshio KOYANAGI, Kyohei FUJIMOTO, "A Folded Loop Antenna System for Handsets Developed and Based on the Advanced Design Concept" in IEICE TRANSACTIONS on Communications,
vol. E84-B, no. 9, pp. 2468-2475, September 2001, doi: .
Abstract: Analysis of a novel folded loop antenna for handset is described along with the advanced design concept for handset antennas. The design concept shown in this paper meets the foremost requirement for handset antennas such as (1) small size and yet (2) has capability of mitigating degradation of antenna performance due to the body effect, and (3) of reducing SAR value in the human head at the handset talk position, in addition to the indispensable requirements for handset antennas such as (4) low profile, and (5) light weight. The technology applied is to make this antenna (a) an integrated structure, which is a typical application of the fundamental concept of making antennas small and (b) a balanced structure which has been proved to be very effective to satisfy the requirements (2) and (3). The antenna is essentially a two-wire transmission line, folded at about a quarter-wavelength to form a half-wave folded dipole, and yet appears to be a loop of one-wavelength. It does not have really a balanced structure, as is fed with an unbalanced line; however, the antenna structure itself can eliminate the unbalanced current flow on the feed line as in the balanced antenna system. Both theoretical and experimental analyses have been shown and the usefulness of the antenna is discussed. This paper may suggest the advanced technology and design concept that will be applied to the development of handset antennas toward the future.
URL: https://global.ieice.org/en_transactions/communications/10.1587/e84-b_9_2468/_p
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@ARTICLE{e84-b_9_2468,
author={Yongho KIM, Hisashi MORISHITA, Yoshio KOYANAGI, Kyohei FUJIMOTO, },
journal={IEICE TRANSACTIONS on Communications},
title={A Folded Loop Antenna System for Handsets Developed and Based on the Advanced Design Concept},
year={2001},
volume={E84-B},
number={9},
pages={2468-2475},
abstract={Analysis of a novel folded loop antenna for handset is described along with the advanced design concept for handset antennas. The design concept shown in this paper meets the foremost requirement for handset antennas such as (1) small size and yet (2) has capability of mitigating degradation of antenna performance due to the body effect, and (3) of reducing SAR value in the human head at the handset talk position, in addition to the indispensable requirements for handset antennas such as (4) low profile, and (5) light weight. The technology applied is to make this antenna (a) an integrated structure, which is a typical application of the fundamental concept of making antennas small and (b) a balanced structure which has been proved to be very effective to satisfy the requirements (2) and (3). The antenna is essentially a two-wire transmission line, folded at about a quarter-wavelength to form a half-wave folded dipole, and yet appears to be a loop of one-wavelength. It does not have really a balanced structure, as is fed with an unbalanced line; however, the antenna structure itself can eliminate the unbalanced current flow on the feed line as in the balanced antenna system. Both theoretical and experimental analyses have been shown and the usefulness of the antenna is discussed. This paper may suggest the advanced technology and design concept that will be applied to the development of handset antennas toward the future.},
keywords={},
doi={},
ISSN={},
month={September},}
Copier
TY - JOUR
TI - A Folded Loop Antenna System for Handsets Developed and Based on the Advanced Design Concept
T2 - IEICE TRANSACTIONS on Communications
SP - 2468
EP - 2475
AU - Yongho KIM
AU - Hisashi MORISHITA
AU - Yoshio KOYANAGI
AU - Kyohei FUJIMOTO
PY - 2001
DO -
JO - IEICE TRANSACTIONS on Communications
SN -
VL - E84-B
IS - 9
JA - IEICE TRANSACTIONS on Communications
Y1 - September 2001
AB - Analysis of a novel folded loop antenna for handset is described along with the advanced design concept for handset antennas. The design concept shown in this paper meets the foremost requirement for handset antennas such as (1) small size and yet (2) has capability of mitigating degradation of antenna performance due to the body effect, and (3) of reducing SAR value in the human head at the handset talk position, in addition to the indispensable requirements for handset antennas such as (4) low profile, and (5) light weight. The technology applied is to make this antenna (a) an integrated structure, which is a typical application of the fundamental concept of making antennas small and (b) a balanced structure which has been proved to be very effective to satisfy the requirements (2) and (3). The antenna is essentially a two-wire transmission line, folded at about a quarter-wavelength to form a half-wave folded dipole, and yet appears to be a loop of one-wavelength. It does not have really a balanced structure, as is fed with an unbalanced line; however, the antenna structure itself can eliminate the unbalanced current flow on the feed line as in the balanced antenna system. Both theoretical and experimental analyses have been shown and the usefulness of the antenna is discussed. This paper may suggest the advanced technology and design concept that will be applied to the development of handset antennas toward the future.
ER -