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Authors: Hiroshi Okazaki ; Takayuki Furuta ; Kunihiro Kawai ; Yuta Takagi and Shoichi Narahashi

Affiliation: NTT DOCOMO, INC, Japan

Keyword(s): Low noise amplifier, Multi-mode multi-band terminal, Multi-band power amplifier, RF filter, RF front-end.

Abstract: A Radio Frequency (RF) front-end (RF-FE) is one of the keys in multi-mode and multi-band mode mobile terminals. In conventional cellular phones, multiple RF-FEs are installed for multi-band use. There have been a lot of studies of achieving multi-band or broadband circuits that comprise a compact and cost effective multi-band RF-FE with adequate RF performance. Reconfigurable or tunable RF-FEs are a way to provide multi-band function in future mobile terminals, which takes into consideration the capability to support a large number of wireless systems that use different frequency bands. However, the performance degradation should be considered if adaptive circuits are installed in the RF-FE. This paper presents considerations for the issues that might occur in a multi-band RF-FE for future mobile terminals. As an example, a concept of collaboration between a top RF filter and low-noise amplifier (LNA) is presented.

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Paper citation in several formats:
Okazaki, H.; Furuta, T.; Kawai, K.; Takagi, Y. and Narahashi, S. (2013). RF FRONT-END CONSIDERATIONS FOR FUTURE MULTIBAND MOBILE TERMINALS. In Proceedings of the Second International Conference on Telecommunications and Remote Sensing - ICTRS; ISBN 978-989-8565-57-0, SciTePress, pages 58-61. DOI: 10.5220/0004785300580061

@conference{ictrs13,
author={Hiroshi Okazaki. and Takayuki Furuta. and Kunihiro Kawai. and Yuta Takagi. and Shoichi Narahashi.},
title={RF FRONT-END CONSIDERATIONS FOR FUTURE MULTIBAND MOBILE TERMINALS},
booktitle={Proceedings of the Second International Conference on Telecommunications and Remote Sensing - ICTRS},
year={2013},
pages={58-61},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0004785300580061},
isbn={978-989-8565-57-0},
}

TY - CONF

JO - Proceedings of the Second International Conference on Telecommunications and Remote Sensing - ICTRS
TI - RF FRONT-END CONSIDERATIONS FOR FUTURE MULTIBAND MOBILE TERMINALS
SN - 978-989-8565-57-0
AU - Okazaki, H.
AU - Furuta, T.
AU - Kawai, K.
AU - Takagi, Y.
AU - Narahashi, S.
PY - 2013
SP - 58
EP - 61
DO - 10.5220/0004785300580061
PB - SciTePress

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