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| Presentation | 2012-11-16 10:30 Performance Evaluation of Adaptive Equalization for MIMO Differential Encoded GMSK Signal Affected by Quantization Noise Ryuta Fukunaga, Osamu Muta, Hiroshi Furukawa (Kyushu Univ.)  RCS2012-174 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | The authors have proposed a constant envelope modulation (CEM) system with a low resolution analog–to-digital converter (ADC) on the receiver side. The proposed CEM system can use a power-efficient nonlinear poweramplifier on the transmitter side. Moreover, power consumption at the analog devices is effectively reduced by employing a low resolution ADC. However, the received signal is seriously affected by severe quantization error by a low resolution ADC. Therefore, BER performance of CEM system is degraded. To solve these problems, we have proposed a modified Viterbi Equalization (VE) that estimates both intersymbol interference and quantization noise and proved that the proposed modified VE improve bit error rate (BER) performance of differential encoded minimum shift keying (MSK) signal affected by quantization noise due to one bit resolution ADC. In this paper, we extend the modified VE to Multi-Input Multi-Output (MIMO) Differential encoded Gaussian MSK (D-GMSK) systems and evaluate BER performance in 2x2 MIMO channel. Computer simulation results show that the proposed scheme effectively improves BER performance of MIMO D-GMSK compared to case without quantization noise estimation in five-path Rayleigh fading channels. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Constant envelope modulation / Differential encoded GMSK / Low resolution ADC / Quantization noise / Modified viterbi equalization / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 112, no. 286, RCS2012-174, pp. 79-84, Nov. 2012. | |
| Paper # | RCS2012-174 | |
| Date of Issue | 2012-11-08 (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 | RCS2012-174 |
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| Conference Information | |
| Committee | AP RCS |
| Conference Date | 2012-11-14 - 2012-11-16 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tokyo Denki University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2012-11-AP-RCS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Performance Evaluation of Adaptive Equalization for MIMO Differential Encoded GMSK Signal Affected by Quantization Noise |
| Sub Title (in English) | |
| Keyword(1) | Constant envelope modulation |
| Keyword(2) | Differential encoded GMSK |
| Keyword(3) | Low resolution ADC |
| Keyword(4) | Quantization noise |
| Keyword(5) | Modified viterbi equalization |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Ryuta Fukunaga |
| 1st Author's Affiliation | Kyushu University (Kyushu Univ.) |
| 2nd Author's Name | Osamu Muta |
| 2nd Author's Affiliation | Kyushu University (Kyushu Univ.) |
| 3rd Author's Name | Hiroshi Furukawa |
| 3rd Author's Affiliation | Kyushu University (Kyushu Univ.) |
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| Speaker | Author-1 |
| Date Time | 2012-11-16 10:30:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | RCS2012-174 |
| Volume (vol) | vol.112 |
| Number (no) | no.286 |
| Page | pp.79-84 |
| #Pages | 6 |
| Date of Issue | 2012-11-08 (RCS) |
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