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| Presentation | 2013-02-27 11:10 Open-Loop Homographic Precoding (OLHP) -- A Method for Seamless (Interference-Free) Multiuser Transmission in Wireless SISO/MIMO Systems With No Channel State Information At The Transmitter (CSIT) -- Oussama Souihli, Yasuyuki Hatakawa, Satoshi Konishi (KDDI R&D Labs)  RCS2012-290 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In linguistics, homographs are words of like spelling and different meanings. Thus, in English, the word "bear" could mean "to carry" or the animal. In this work, we extend such concept to wireless interference channels to achieve zero-interference communications over an interference-limited multiuser channel. Rather than sending different signals to the different receivers, a single signal is transmitted to all the receivers instead. The signal is carefully designed such that it conveys a different meaning to each receiver, the meaning being the intended symbol. As only one signal is transmitted, the interference problem becomes irrelevant. Aside from achieving interference-free communications over an interference-prone channel, the proposed scheme: 1-does not require any channel information at the transmit side; 2-does not require any side information about the interference at the receivers; 3-is applicable to any MIMO configuration (including SISO); 4-is scalable to any number of receivers; 5-is applicable to any modulation scheme; 6- Has low computational complexity. The required transmit power, though larger than the single-user scenario, is nonetheless shown to be smaller than what would be required to make the interference treatable as additive noise. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Interference / Congruence relation / Equivalence class / Abstract Algebra / Modular Arithmetic / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 112, no. 443, RCS2012-290, pp. 37-42, Feb. 2013. | |
| Paper # | RCS2012-290 | |
| Date of Issue | 2013-02-20 (RCS) | |
| 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 | RCS2012-290 |
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| Conference Information | |
| Committee | RCS SR SRW |
| Conference Date | 2013-02-27 - 2013-03-01 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Waseda Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Mobile Communication Workshop |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2013-02-RCS-SR-SRW |
| Language | English |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Open-Loop Homographic Precoding (OLHP) |
| Sub Title (in English) | A Method for Seamless (Interference-Free) Multiuser Transmission in Wireless SISO/MIMO Systems With No Channel State Information At The Transmitter (CSIT) |
| Keyword(1) | Interference |
| Keyword(2) | Congruence relation |
| Keyword(3) | Equivalence class |
| Keyword(4) | Abstract Algebra |
| Keyword(5) | Modular Arithmetic |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Oussama Souihli |
| 1st Author's Affiliation | KDDI R&D Laboratories (KDDI R&D Labs) |
| 2nd Author's Name | Yasuyuki Hatakawa |
| 2nd Author's Affiliation | KDDI R&D Laboratories (KDDI R&D Labs) |
| 3rd Author's Name | Satoshi Konishi |
| 3rd Author's Affiliation | KDDI R&D Laboratories (KDDI R&D Labs) |
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| Speaker | Author-1 |
| Date Time | 2013-02-27 11:10:00 |
| Presentation Time | 20 minutes |
| Registration for | RCS |
| Paper # | RCS2012-290 |
| Volume (vol) | vol.112 |
| Number (no) | no.443 |
| Page | pp.37-42 |
| #Pages | 6 |
| Date of Issue | 2013-02-20 (RCS) |
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