Paper Abstract and Keywords |
Presentation |
2023-03-15 14:15
Frame Synchronization of Modified MPPM in RGB-LED based Parallel Transmission Scheme Hiromasa Habuchi, Jo Matsushima (Ibaraki Univ.) IT2022-123 ISEC2022-102 WBS2022-120 RCC2022-120 |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
In this paper, a frame synchronization method for modified multi-pulse pulse position modulation (MMPPM) scheme in RGB-LED based parallel transmission scheme is proposed. In the MMPPM system, data transmission is performed by dividing an MPPM frame consisting of N slots into 2 slots and N-2 slots. In this method, 1-bit data is represented by binary pulse position modulation (BPPM) using the first 2 slots, and $log_2(_{N-2}C_{M-1})$-bit data is represented by MPPM generating M-1 pulses in the remaining N-2 slots. This proposed synchronization method, which is one of the internal synchronization methods, acquires frame synchronization by utilizing the fact that one pulse always occurs in the first two slots. This paper presents theoretical formulas for the data transmission efficiency and the symbol error rate in the complete frame synchronization timing. Moreover, theoretical formulas for the time to maintain correct frame timing, denoted retention time, and the time required for restoring processing for restoring an frame timing to a normal position, denoted recovery time, are derived. It is shown that the proposed scheme can maintain frame synchronization timing while having the same symbol error rate performance and data transmission efficiency as the conventional MPPM scheme. The optimal number of counter stages for observing signs of out-of-sync is set by the required recovery time and retention time. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
Illumination Light Communication / VLC / MPPM / BPPM / Frame Synchronization Scheme / / / |
Reference Info. |
IEICE Tech. Rep., vol. 122, no. 429, WBS2022-120, pp. 349-354, March 2023. |
Paper # |
WBS2022-120 |
Date of Issue |
2023-03-07 (IT, ISEC, WBS, RCC) |
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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IT2022-123 ISEC2022-102 WBS2022-120 RCC2022-120 |
Conference Information |
Committee |
RCC ISEC IT WBS |
Conference Date |
2023-03-14 - 2023-03-15 |
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(See Japanese page) |
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Paper Information |
Registration To |
WBS |
Conference Code |
2023-03-RCC-ISEC-IT-WBS |
Language |
Japanese |
Title (in Japanese) |
(See Japanese page) |
Sub Title (in Japanese) |
(See Japanese page) |
Title (in English) |
Frame Synchronization of Modified MPPM in RGB-LED based Parallel Transmission Scheme |
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Keyword(1) |
Illumination Light Communication |
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VLC |
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MPPM |
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BPPM |
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Frame Synchronization Scheme |
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1st Author's Name |
Hiromasa Habuchi |
1st Author's Affiliation |
Ibaraki University (Ibaraki Univ.) |
2nd Author's Name |
Jo Matsushima |
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Ibaraki University (Ibaraki Univ.) |
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Speaker |
Author-1 |
Date Time |
2023-03-15 14:15:00 |
Presentation Time |
25 minutes |
Registration for |
WBS |
Paper # |
IT2022-123, ISEC2022-102, WBS2022-120, RCC2022-120 |
Volume (vol) |
vol.122 |
Number (no) |
no.427(IT), no.428(ISEC), no.429(WBS), no.430(RCC) |
Page |
pp.349-354 |
#Pages |
6 |
Date of Issue |
2023-03-07 (IT, ISEC, WBS, RCC) |
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