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| Presentation | 2009-03-05 14:55 A study on SRS parameter configuration in consideration of channel estimation error for E-UTRA uplink Kenta Okino, Yoshimasa Kusano (KC)  RCS2008-245 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | SC-FDMA(Single-Carrier-Frequency Division Multiple Access) for the transmission scheme is employed in E-UTRA uplink. For effective frequency domain channel-dependent scheduling, UEs(User Equipments) can transmit the SRS(Sounding Reference Signal) periodically. However, under ICIC(Inter-Cell Interference Coordination) environment where transmission power of an UE is controlled based on the OI(Overload Indicator), received quality of the SRS for cell-edge UEs becomes low. As a result, throughput decreases due to estimation error of channel quality. In this paper, focusing on the estimation accuracy of the channel quality, we study SRS parameter configuration, in particular aspect of SRS transmission power. Computer simulation results show that SRS slow transmission power control in consideration of PUSCH transmission power adjustment state can increase the SRS received quality for the cell-edge UEs and improve 5% cumulative distribution function value of user throughputs by 17% compared to the case that a SRS transmission power offset is fixed. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | E-UTRA / Uplink / SRS / Channel estimation / Transmission power control / ICIC / / | |
| Reference Info. | IEICE Tech. Rep., vol. 108, no. 445, RCS2008-245, pp. 197-202, March 2009. | |
| Paper # | RCS2008-245 | |
| Date of Issue | 2009-02-25 (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 | RCS2008-245 |
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| Conference Information | |
| Committee | RCS AN MoNA SR |
| Conference Date | 2009-03-04 - 2009-03-06 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | YRP |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Workshop on Mobile Communications |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2009-03-RCS-AN-MoMuC-SR |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A study on SRS parameter configuration in consideration of channel estimation error for E-UTRA uplink |
| Sub Title (in English) | |
| Keyword(1) | E-UTRA |
| Keyword(2) | Uplink |
| Keyword(3) | SRS |
| Keyword(4) | Channel estimation |
| Keyword(5) | Transmission power control |
| Keyword(6) | ICIC |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Kenta Okino |
| 1st Author's Affiliation | Kyocera Corporation (KC) |
| 2nd Author's Name | Yoshimasa Kusano |
| 2nd Author's Affiliation | Kyocera Corporation (KC) |
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| Speaker | Author-1 |
| Date Time | 2009-03-05 14:55:00 |
| Presentation Time | 20 minutes |
| Registration for | RCS |
| Paper # | RCS2008-245 |
| Volume (vol) | vol.108 |
| Number (no) | no.445 |
| Page | pp.197-202 |
| #Pages | 6 |
| Date of Issue | 2009-02-25 (RCS) |
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