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| Presentation | 2012-08-30 10:40 Indoor Experiments on Throughput for Closed-Loop 2-by-2 SU-MIMO considering Antenna Configurations in LTE-Advanced Uplink Shinpei Yasukawa, Teruo Kawamura, Yoshihisa Kishiyama (NTT DOCOMO), Hidekazu Taoka (DOCOMO Euro labs.), Hidehiro Andoh (NTT DOCOMO)  RCS2012-99 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This paper clarifies the influence of the antenna configuration on the achievable throughput in a real indoor propagation environment for 2-by-2 single-user (SU)-MIMO and carrier aggregation with 2 component carriers (40-MHz bandwidth) in the LTE-Advanced uplink. For four antenna configurations, the achievable throughput performances with adaptive modulation and coding (AMC) and hybrid automatic repeat request (HARQ) are evaluated under the line-of-sight (LOS) and non-LOS (NLOS) conditions using the implemented LTE-Advanced transceiver. Experimental results show that under the LOS conditions, Rank 2 MIMO spatial multiplexing is invaluable in improving the achievable throughput because the mobile station transmission power is not severely limited in an indoor environment. The results also show that when a cross-polarized antenna configuration is employed, the location probability for achieving throughput greater than 200 Mbps is approximately 95%. Moreover, based on the results, we confirm that under the NLOS conditions, Rank 1 closed-loop transmit diversity with precoding is effective in enhancing the coverage in an indoor environment. Furthermore, we clarify that high throughput performance is obtained irrespective of the antenna separation. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | LTE-Advanced / Single carrier / SU-MIMO / Antenna configuration / Indoor experiment / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 112, no. 192, RCS2012-99, pp. 19-24, Aug. 2012. | |
| Paper # | RCS2012-99 | |
| Date of Issue | 2012-08-23 (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 | RCS2012-99 |
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| Conference Information | |
| Committee | SAT RCS |
| Conference Date | 2012-08-30 - 2012-08-31 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kochi City Cultura-Plaza CUL-PORT |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Mobile Satellite Communications, Broadcasting, Error Correction, Wireless Communication Systems, etc. |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2012-08-SAT-RCS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Indoor Experiments on Throughput for Closed-Loop 2-by-2 SU-MIMO considering Antenna Configurations in LTE-Advanced Uplink |
| Sub Title (in English) | |
| Keyword(1) | LTE-Advanced |
| Keyword(2) | Single carrier |
| Keyword(3) | SU-MIMO |
| Keyword(4) | Antenna configuration |
| Keyword(5) | Indoor experiment |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Shinpei Yasukawa |
| 1st Author's Affiliation | NTT DOCOMO, INC. (NTT DOCOMO) |
| 2nd Author's Name | Teruo Kawamura |
| 2nd Author's Affiliation | NTT DOCOMO, INC. (NTT DOCOMO) |
| 3rd Author's Name | Yoshihisa Kishiyama |
| 3rd Author's Affiliation | NTT DOCOMO, INC. (NTT DOCOMO) |
| 4th Author's Name | Hidekazu Taoka |
| 4th Author's Affiliation | DOCOMO Communications Laboratories Europe, GmbH (DOCOMO Euro labs.) |
| 5th Author's Name | Hidehiro Andoh |
| 5th Author's Affiliation | NTT DOCOMO, INC. (NTT DOCOMO) |
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| Speaker | Author-1 |
| Date Time | 2012-08-30 10:40:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | RCS2012-99 |
| Volume (vol) | vol.112 |
| Number (no) | no.192 |
| Page | pp.19-24 |
| #Pages | 6 |
| Date of Issue | 2012-08-23 (RCS) |
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