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Paper Abstract and Keywords
Presentation 2022-01-22 14:30
Investigation of Passive Intermodulation of Wireless Medical Telemeter
Kai Ishida (KISTEC) NLP2021-109 MICT2021-84 MBE2021-70
Abstract (in Japanese) (See Japanese page) 
(in English) It has been recommended hospitals operating wireless medical telemeter (WMT) should be conduct zone management for avoiding the effect of passive intermodulation. In this study, the occurrence frequency of passive intermodulation in a WMT was investigated using simulated environment. The amplitude of passive intermodulation depends on the input signal level in which near its frequency. Passive intermodulation effected the reception of WMTs and degraded carrier to noise ratio as 2 to 4 dB worse rather than Gaussian noise. The signal level of WMT coming from another floor has no potential to cause passive intermodulation by conducting zone management as properly. However, the output power of wireless communication devices using same frequency of WMT is generally greater (10 mW). When the introduction of these devices, it would be desirable for clinical settings to conduct prepare zone management to avoiding passive intermodulation.
Keyword (in Japanese) (See Japanese page) 
(in English) Wireless medical telemeter / Passive intermodulation / Poor reception / Zone management / 400 MHz band / / /  
Reference Info. IEICE Tech. Rep., vol. 121, no. 336, MICT2021-84, pp. 169-174, Jan. 2022.
Paper # MICT2021-84 
Date of Issue 2022-01-14 (NLP, MICT, MBE) 
ISSN Online edition: ISSN 2432-6380
Copyright
and
reproduction		 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)
Download PDF NLP2021-109 MICT2021-84 MBE2021-70

Conference Information
Committee NLP MICT MBE NC  
Conference Date 2022-01-21 - 2022-01-23 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To MICT 
Conference Code 2022-01-NLP-MICT-MBE-NC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Investigation of Passive Intermodulation of Wireless Medical Telemeter 
Sub Title (in English)  
Keyword(1) Wireless medical telemeter  
Keyword(2) Passive intermodulation  
Keyword(3) Poor reception  
Keyword(4) Zone management  
Keyword(5) 400 MHz band  
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1st Author's Name Kai Ishida  
1st Author's Affiliation Kanagawa Institute of Industrial Science and Technology (KISTEC)
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Speaker Author-1 
Date Time 2022-01-22 14:30:00 
Presentation Time 25 minutes 
Registration for MICT 
Paper # NLP2021-109, MICT2021-84, MBE2021-70 
Volume (vol) vol.121 
Number (no) no.335(NLP), no.336(MICT), no.337(MBE) 
Page pp.169-174 
#Pages 6 
Date of Issue 2022-01-14 (NLP, MICT, MBE) 

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