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| Presentation | 2018-02-28 14:10 Channel Impulse Response Measurement Using USRP and GNU Radio Avoiding Uncertain Latency Kaito Fukushima, Mika Kamishima, Yoji Yamada (NIT, Ishikawa College)  SR2017-113 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Channel impulse response measurements are important in wireless system design. A software-defined radio equipment (PC-SDR) of a type that realizes wireless signal processing by combining a personal computer and A/D D/A converters has high flexibility and it is useful if it can measure the radio channel impulse response. However, in the PC-SDR environment, a latency associated with signal processing on the PC and a latency associated with data transmission between the PC and the radio peripheral exist, respectively, and the delay time varies depending on conditions. If the measurements are performed without considering the influence of the latency, the measurement results are not reliable. This paper proposes a method of synchronizing the transmission signal and the received signal based on the peak position of the cross correlation value between the baseband signal and the demodulated signal by using of M-sequences. To validate the proposed method, a channel impulse response measurement of a T-connector equipped with a coaxial cable open stub is performed in the 927 MHz band by combining M-sequences and time stretched pulses (TSP). The TSP signal is a proven technology in the field of acoustic system measurements. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | software defined radio / time stretched pulse / swept sine / maximal length sequence / cross correlation / latency / / | |
| Reference Info. | IEICE Tech. Rep., vol. 117, no. 457, SR2017-113, pp. 9-16, Feb. 2018. | |
| Paper # | SR2017-113 | |
| Date of Issue | 2018-02-21 (SR) | |
| 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 | SR2017-113 |
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| Conference Information | |
| Committee | RCS SR SRW |
| Conference Date | 2018-02-28 - 2018-03-02 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | YRP |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Mobile Communication Workshop |
| Paper Information | |
| Registration To | SR |
| Conference Code | 2018-02-RCS-SR-SRW |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Channel Impulse Response Measurement Using USRP and GNU Radio Avoiding Uncertain Latency |
| Sub Title (in English) | |
| Keyword(1) | software defined radio |
| Keyword(2) | time stretched pulse |
| Keyword(3) | swept sine |
| Keyword(4) | maximal length sequence |
| Keyword(5) | cross correlation |
| Keyword(6) | latency |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Kaito Fukushima |
| 1st Author's Affiliation | National Institute of Technology, Ishikawa College (NIT, Ishikawa College) |
| 2nd Author's Name | Mika Kamishima |
| 2nd Author's Affiliation | National Institute of Technology, Ishikawa College (NIT, Ishikawa College) |
| 3rd Author's Name | Yoji Yamada |
| 3rd Author's Affiliation | National Institute of Technology, Ishikawa College (NIT, Ishikawa College) |
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| Speaker | Author-1 |
| Date Time | 2018-02-28 14:10:00 |
| Presentation Time | 25 minutes |
| Registration for | SR |
| Paper # | SR2017-113 |
| Volume (vol) | vol.117 |
| Number (no) | no.457 |
| Page | pp.9-16 |
| #Pages | 8 |
| Date of Issue | 2018-02-21 (SR) |
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