Paper Abstract and Keywords |
Presentation |
2022-01-20 11:20
A study on application of differential trellis-coded OFDM employing multiple differential detection with channel prediction Kota Iwamoto, Hiroshi Kubo (Ritsumeikan Univ.) IT2021-32 SIP2021-40 RCS2021-200 |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
This paper discusses differential orthogonal frequency division multiplexing (OFDM) for severe time and frequency selectivities.
In order to track time selectivity, differential OFDM employing multiple differential detection with channel prediction suffers from 1) worse required signal to noise power ratio (SNR) due to channel prediction, 2) poor transmission information efficiency due to additional transmitted symbols by inserting synchronization words.
In addition, 3) worse out-of-band emission performance due to OFDM.
This paper discusses differential trellis coded modulation for the item 1), a frame structure of a subcarrier phase offset scheme for the item 2), and overlapped windowing OFDM signal shaping for the item 3).
Finally, computer simulation results confirm that the discussed scheme has good required SNR and transmission information efficiency. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
Differential OFDM / Trellis Coded Modulation / Joint Detection / Channel Prediction / Doubly-Selective Channels / / / |
Reference Info. |
IEICE Tech. Rep., vol. 121, no. 329, RCS2021-200, pp. 24-29, Jan. 2022. |
Paper # |
RCS2021-200 |
Date of Issue |
2022-01-13 (IT, SIP, 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) |
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IT2021-32 SIP2021-40 RCS2021-200 |
Conference Information |
Committee |
RCS SIP IT |
Conference Date |
2022-01-20 - 2022-01-21 |
Place (in Japanese) |
(See Japanese page) |
Place (in English) |
Online |
Topics (in Japanese) |
(See Japanese page) |
Topics (in English) |
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Paper Information |
Registration To |
RCS |
Conference Code |
2022-01-RCS-SIP-IT |
Language |
Japanese |
Title (in Japanese) |
(See Japanese page) |
Sub Title (in Japanese) |
(See Japanese page) |
Title (in English) |
A study on application of differential trellis-coded OFDM employing multiple differential detection with channel prediction |
Sub Title (in English) |
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Keyword(1) |
Differential OFDM |
Keyword(2) |
Trellis Coded Modulation |
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Joint Detection |
Keyword(4) |
Channel Prediction |
Keyword(5) |
Doubly-Selective Channels |
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1st Author's Name |
Kota Iwamoto |
1st Author's Affiliation |
Ritsumeikan University (Ritsumeikan Univ.) |
2nd Author's Name |
Hiroshi Kubo |
2nd Author's Affiliation |
Ritsumeikan University (Ritsumeikan Univ.) |
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Speaker |
Author-1 |
Date Time |
2022-01-20 11:20:00 |
Presentation Time |
25 minutes |
Registration for |
RCS |
Paper # |
IT2021-32, SIP2021-40, RCS2021-200 |
Volume (vol) |
vol.121 |
Number (no) |
no.327(IT), no.328(SIP), no.329(RCS) |
Page |
pp.24-29 |
#Pages |
6 |
Date of Issue |
2022-01-13 (IT, SIP, RCS) |