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| Presentation | 2018-11-22 14:30 [Invited Lecture] An Experimental Study on Delay Characteristics in VHF Band Toshio Ito, Hayato Fukuzono, Masafumi Yoshioka, Tsutomu Tatsuta, Naoki Kita (NTT)  AP2018-137 RCS2018-212 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In the wireless communications using a VHF band, while the long distance transmission with low attenuation is expectable, the long delay becomes the main factors which degrade wireless circuit quality. The bit error rate of the digital signal in a multiple propagation path has a close relation to a delay spread, and the delay spread makes us the maximum transmission rate determine in general. Therefore, in order to achieve a desired transmission rate, it is necessary to remove the influence of the long delay. As one of the solutions against the long delay, application of the adaptive equalization is effective. It equalized sequentially a wave distortion according to the change situation of a transmission path. It depends for the performance of the adaptive equalization on the delay width and the number of arrival delay waves. We carried out some field research to obtain the delay characteristics in rural area. In this report, we show the experimental results for various delay characteristics using a VHF band, such as the delay spread, the delay width and the number of arrival delay waves in rural area. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | VHF band / Delay spread / Delay width / Number of arrival wave / Rural area / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 118, no. 310, AP2018-137, pp. 197-202, Nov. 2018. | |
| Paper # | AP2018-137 | |
| Date of Issue | 2018-11-13 (AP, RCS) | |
| 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 | AP2018-137 RCS2018-212 |
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| Conference Information | |
| Committee | RCS AP |
| Conference Date | 2018-11-20 - 2018-11-22 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Okinawa Industry Support Center |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Adaptive Antenna, Equalization, Interference Canceler, MIMO, Wireless Communications, etc. |
| Paper Information | |
| Registration To | AP |
| Conference Code | 2018-11-RCS-AP |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | An Experimental Study on Delay Characteristics in VHF Band |
| Sub Title (in English) | |
| Keyword(1) | VHF band |
| Keyword(2) | Delay spread |
| Keyword(3) | Delay width |
| Keyword(4) | Number of arrival wave |
| Keyword(5) | Rural area |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Toshio Ito |
| 1st Author's Affiliation | NTT Access Network Service Systems Laboratories (NTT) |
| 2nd Author's Name | Hayato Fukuzono |
| 2nd Author's Affiliation | NTT Access Network Service Systems Laboratories (NTT) |
| 3rd Author's Name | Masafumi Yoshioka |
| 3rd Author's Affiliation | NTT Access Network Service Systems Laboratories (NTT) |
| 4th Author's Name | Tsutomu Tatsuta |
| 4th Author's Affiliation | NTT Access Network Service Systems Laboratories (NTT) |
| 5th Author's Name | Naoki Kita |
| 5th Author's Affiliation | NTT Access Network Service Systems Laboratories (NTT) |
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| Speaker | Author-1 |
| Date Time | 2018-11-22 14:30:00 |
| Presentation Time | 25 minutes |
| Registration for | AP |
| Paper # | AP2018-137, RCS2018-212 |
| Volume (vol) | vol.118 |
| Number (no) | no.310(AP), no.311(RCS) |
| Page | pp.197-202(AP), pp.193-198(RCS) |
| #Pages | 6 |
| Date of Issue | 2018-11-13 (AP, RCS) |
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