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Paper Abstract and Keywords
Presentation 2008-03-06 10:40
0.4GHz-5.8GHz Multi-band Multi-Mode SiGe-MMIC Transceiver for Cognitive Radio
Noriharu Suematsu, Koji Tsutsumi (Mitsubishi Electric), Hiroshi Harada (NICT) SR2007-85
Abstract (in Japanese) (See Japanese page) 
(in English) A SiGe-MMIC transceiver has been developed for cognitive radio. This MMIC transceiver has multi-band characterictic which covers the whole band of 0.4-5.8GHz band and it also has multi-mode characterictic which handles various modulation schemes with different base-base frequency ranges. This MMIC includes a transmitter, a receiver and an LO switch blocks and it needs external RF oscilators as LO. The transmitter block consists of a direct conversion Q-MOD, VGAs and driver amplifiers having broad-bandcharacterictics and it provides a constant output power of transmit signal over 0.4-5.8GHz. The receiver block consists of a VGA, a direct conversion Q-MIX, base-band VGAs and a tunable active filter. The LO switch block consists of a switch matrix and frequency dividers, one each for transmitter and receiver to elminates the spurious emission from transmitter's output having receiving signal's frequency component. This MMIC can handle the modulated signal's band width of more than 50MHz and is applicable not only existing wireless systems but future broad-band systems including 4G.
Keyword (in Japanese) (See Japanese page) 
(in English) Cognitive radio / SiGe-MMIC / Direct conversion / Quadrature modulator / Quadrature demodulator / Quadrature mixer / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 519, SR2007-85, pp. 1-5, March 2008.
Paper # SR2007-85 
Date of Issue 2008-02-28 (SR) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee RCS AN MoNA SR WBS  
Conference Date 2008-03-05 - 2008-03-07 
Place (in Japanese) (See Japanese page) 
Place (in English) YRP 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To SR 
Conference Code 2008-03-RCS-AN-MoMuC-SR-WBS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) 0.4GHz-5.8GHz Multi-band Multi-Mode SiGe-MMIC Transceiver for Cognitive Radio 
Sub Title (in English)  
Keyword(1) Cognitive radio  
Keyword(2) SiGe-MMIC  
Keyword(3) Direct conversion  
Keyword(4) Quadrature modulator  
Keyword(5) Quadrature demodulator  
Keyword(6) Quadrature mixer  
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Keyword(8)  
1st Author's Name Noriharu Suematsu  
1st Author's Affiliation Mitsubishi Electric (Mitsubishi Electric)
2nd Author's Name Koji Tsutsumi  
2nd Author's Affiliation Mitsubishi Electric (Mitsubishi Electric)
3rd Author's Name Hiroshi Harada  
3rd Author's Affiliation NICT (NICT)
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Speaker Author-1 
Date Time 2008-03-06 10:40:00 
Presentation Time 20 minutes 
Registration for SR 
Paper # SR2007-85 
Volume (vol) vol.107 
Number (no) no.519 
Page pp.1-5 
#Pages
Date of Issue 2008-02-28 (SR) 


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