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| Presentation | 2008-10-24 13:40 Improving Video Quality by Feedbacked FEC in Ad hoc Multicasting Hiroyuki Iizuka (NEC Communication Systems, Ltd.), Shiro Sakata (Chiba Univ.), Yuichiro Ezure, Akira Matsumoto, Tetsuya Ito (NEC Communication Systems, Ltd.)  AN2008-50 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Multicasting of voice and video through an ad hoc network or a wireless mesh network is recognized as a promising service. As packets are, generally, sent by broadcasting without ACK(Acknowledgement) at data link layer, a packet loss at data link layer directly causes the data loss at application layer. The authors applied FEC(Forward Error Correction) , whish is used to recover the packet loss, to ODMRP(On-Demand Multicast Routing Protocol), a multicast protocol for wireless mesh networks. This article proposes the following two new functions based on the FEC applied multicast. First function is that receivers reply the quality of received data to the sender. Second function is the heightening of recovery ratio for key frames in video streaming. The effectiveness of the proposed functions are proved using real nodes in an in-house environment. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Ad Hoc network / Wireless mesh network / Multicasting / ODMRP / FEC / Improving video quality / / | |
| Reference Info. | IEICE Tech. Rep., vol. 108, no. 251, AN2008-50, pp. 123-128, Oct. 2008. | |
| Paper # | AN2008-50 | |
| Date of Issue | 2008-10-15 (AN) | |
| ISSN | Print edition: ISSN 0913-5685 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 | AN2008-50 |
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| Conference Information | |
| Committee | SR RCS USN AN |
| Conference Date | 2008-10-22 - 2008-10-24 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Okinawa industry support center |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Wireless discributed network special session and general session |
| Paper Information | |
| Registration To | AN |
| Conference Code | 2008-10-SR-RCS-USN-AN |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Improving Video Quality by Feedbacked FEC in Ad hoc Multicasting |
| Sub Title (in English) | |
| Keyword(1) | Ad Hoc network |
| Keyword(2) | Wireless mesh network |
| Keyword(3) | Multicasting |
| Keyword(4) | ODMRP |
| Keyword(5) | FEC |
| Keyword(6) | Improving video quality |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Hiroyuki Iizuka |
| 1st Author's Affiliation | NEC Communication Systems, Ltd. (NEC Communication Systems, Ltd.) |
| 2nd Author's Name | Shiro Sakata |
| 2nd Author's Affiliation | Chiba University (Chiba Univ.) |
| 3rd Author's Name | Yuichiro Ezure |
| 3rd Author's Affiliation | NEC Communication Systems, Ltd. (NEC Communication Systems, Ltd.) |
| 4th Author's Name | Akira Matsumoto |
| 4th Author's Affiliation | NEC Communication Systems, Ltd. (NEC Communication Systems, Ltd.) |
| 5th Author's Name | Tetsuya Ito |
| 5th Author's Affiliation | NEC Communication Systems, Ltd. (NEC Communication Systems, Ltd.) |
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| Speaker | Author-1 |
| Date Time | 2008-10-24 13:40:00 |
| Presentation Time | 20 minutes |
| Registration for | AN |
| Paper # | AN2008-50 |
| Volume (vol) | vol.108 |
| Number (no) | no.251 |
| Page | pp.123-128 |
| #Pages | 6 |
| Date of Issue | 2008-10-15 (AN) |
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