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
Os sistemas RFID passivos de banda UHF estão sendo constantemente adotados pelas indústrias devido à sua capacidade de identificação automática de longo alcance com etiquetas passivas. Para uma aplicação que exige um grande número de leitores localizados em uma área geográfica limitada, denominada modo de leitor denso, a rejeição de interferências entre leitores é importante. O método de codificação, codificação de banda base ou subportadora, no link de comunicação etiqueta-leitor resulta em uma influência significativa no desempenho de rejeição de interferência. Este artigo examina o compartilhamento de frequência de sistemas RFID UHF de codificação de banda base e subportadora a partir da perspectiva de seu atraso de transmissão usando um simulador de controle de acesso à mídia (MAC). A validade da simulação numérica foi verificada por um experimento. É revelado que, em uma operação mista de sistemas de banda base e subportadora, atribuir tantos canais quanto possível ao sistema de banda base, a menos que eles não explorem os canais da subportadora, é o princípio geral para o compartilhamento eficiente de frequência. Este princípio de compartilhamento de frequência é eficaz tanto para sistemas de codificação de banda base quanto de subportadora. Caso contrário, a operação mista aumenta fundamentalmente o atraso de transmissão nos sistemas de codificação de subportadoras.
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Jin MITSUGI, Yuusuke KAWAKITA, "Efficient Frequency Sharing of Baseband and Subcarrier Coding UHF RFID Systems" in IEICE TRANSACTIONS on Communications,
vol. E92-B, no. 12, pp. 3794-3802, December 2009, doi: 10.1587/transcom.E92.B.3794.
Abstract: UHF band passive RFID systems are being steadily adopted by industries because of their capability of long range automatic identification with passive tags. For an application which demands a large number of readers located in a limited geographical area, referred to as dense reader mode, interference rejection among readers is important. The coding method, baseband or subcarrier coding, in the tag-to-reader communication link results in a significant influence on the interference rejection performance. This paper examines the frequency sharing of baseband and subcarrier coding UHF RFID systems from the perspective of their transmission delay using a media access control (MAC) simulator. The validity of the numerical simulation was verified by an experiment. It is revealed that, in a mixed operation of baseband and subcarrier systems, assigning as many channels as possible to baseband system unless they do not exploit the subcarrier channels is the general principle for efficient frequency sharing. This frequency sharing principle is effective both to baseband and subcarrier coding systems. Otherwise, mixed operation fundamentally increases the transmission delay in subcarrier coding systems.
URL: https://global.ieice.org/en_transactions/communications/10.1587/transcom.E92.B.3794/_p
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@ARTICLE{e92-b_12_3794,
author={Jin MITSUGI, Yuusuke KAWAKITA, },
journal={IEICE TRANSACTIONS on Communications},
title={Efficient Frequency Sharing of Baseband and Subcarrier Coding UHF RFID Systems},
year={2009},
volume={E92-B},
number={12},
pages={3794-3802},
abstract={UHF band passive RFID systems are being steadily adopted by industries because of their capability of long range automatic identification with passive tags. For an application which demands a large number of readers located in a limited geographical area, referred to as dense reader mode, interference rejection among readers is important. The coding method, baseband or subcarrier coding, in the tag-to-reader communication link results in a significant influence on the interference rejection performance. This paper examines the frequency sharing of baseband and subcarrier coding UHF RFID systems from the perspective of their transmission delay using a media access control (MAC) simulator. The validity of the numerical simulation was verified by an experiment. It is revealed that, in a mixed operation of baseband and subcarrier systems, assigning as many channels as possible to baseband system unless they do not exploit the subcarrier channels is the general principle for efficient frequency sharing. This frequency sharing principle is effective both to baseband and subcarrier coding systems. Otherwise, mixed operation fundamentally increases the transmission delay in subcarrier coding systems.},
keywords={},
doi={10.1587/transcom.E92.B.3794},
ISSN={1745-1345},
month={December},}
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TY - JOUR
TI - Efficient Frequency Sharing of Baseband and Subcarrier Coding UHF RFID Systems
T2 - IEICE TRANSACTIONS on Communications
SP - 3794
EP - 3802
AU - Jin MITSUGI
AU - Yuusuke KAWAKITA
PY - 2009
DO - 10.1587/transcom.E92.B.3794
JO - IEICE TRANSACTIONS on Communications
SN - 1745-1345
VL - E92-B
IS - 12
JA - IEICE TRANSACTIONS on Communications
Y1 - December 2009
AB - UHF band passive RFID systems are being steadily adopted by industries because of their capability of long range automatic identification with passive tags. For an application which demands a large number of readers located in a limited geographical area, referred to as dense reader mode, interference rejection among readers is important. The coding method, baseband or subcarrier coding, in the tag-to-reader communication link results in a significant influence on the interference rejection performance. This paper examines the frequency sharing of baseband and subcarrier coding UHF RFID systems from the perspective of their transmission delay using a media access control (MAC) simulator. The validity of the numerical simulation was verified by an experiment. It is revealed that, in a mixed operation of baseband and subcarrier systems, assigning as many channels as possible to baseband system unless they do not exploit the subcarrier channels is the general principle for efficient frequency sharing. This frequency sharing principle is effective both to baseband and subcarrier coding systems. Otherwise, mixed operation fundamentally increases the transmission delay in subcarrier coding systems.
ER -