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| Presentation | 2021-12-17 11:25 A Study on User Scheduling for Overloaded Environment in Distributed Antenna Network Using Quantum Computing Keishi Hanakago, Ryo Takahashi, Takahiro Ohyama (PSNRD), Fumiyuki Adachi (Tohoku Univ.)  RCS2021-189 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In a distributed antenna network, a large number of antennas are distributed over a base station coverage area (cell). However, from a practical view point of network construction cost, the actual number of antennas to be distributed is limited. In this case, if the number of active users in the cell exceeds the number of antennas (i.e., an overloaded environment), the communication quality may degrade. In such a case, it may be effective to introduce user scheduling, where active users are divided into several user groups to which the radio resources are assigned in either time or frequency division principle. However, since the optimal user scheduling depends on the antenna deployment layout and user distribution, it will be difficult to find the optimal scheduling pattern if the number of users and that of antennas are large. In this paper, we propose the quantum annealing-based user scheduling. Quantum annealing is specialized in solving combinational optimization problems among quantum computing that has been attracting attention in recent years. We formulate QUBO for user scheduling taking into account the antenna location information. We evaluate the user capacity, the sum capacity, and the fairness among users by computer simulation to show the effectiveness of interference coordination by quantum computing. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | distributed antenna network / overloaded environment / user scheduling / quantum computing / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 121, no. 302, RCS2021-189, pp. 75-80, Dec. 2021. | |
| Paper # | RCS2021-189 | |
| Date of Issue | 2021-12-09 (RCS) | |
| ISSN | 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 | RCS2021-189 |
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| Conference Information | |
| Committee | RCS NS |
| Conference Date | 2021-12-16 - 2021-12-17 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Nara-ken Bunka Kaikan and Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Multi-hop/Relay/Cooperation, Disaster-resistant wireless network, Sensor/Mesh network, Ad-hoc network, D2D/M2M, Wireless network coding, Handover/AP switching/Connected cell control/Load balancing among base stations/Mobile network dynamic reconfiguration, QoS/QoE assurance, Wireless VoIP, IoT, Edge computing, etc. |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2021-12-RCS-NS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Study on User Scheduling for Overloaded Environment in Distributed Antenna Network Using Quantum Computing |
| Sub Title (in English) | |
| Keyword(1) | distributed antenna network |
| Keyword(2) | overloaded environment |
| Keyword(3) | user scheduling |
| Keyword(4) | quantum computing |
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| 1st Author's Name | Keishi Hanakago |
| 1st Author's Affiliation | Panasonic System Networks R&D Lab Co., Ltd (PSNRD) |
| 2nd Author's Name | Ryo Takahashi |
| 2nd Author's Affiliation | Panasonic System Networks R&D Lab Co., Ltd (PSNRD) |
| 3rd Author's Name | Takahiro Ohyama |
| 3rd Author's Affiliation | Panasonic System Networks R&D Lab Co., Ltd (PSNRD) |
| 4th Author's Name | Fumiyuki Adachi |
| 4th Author's Affiliation | Tohoku University (Tohoku Univ.) |
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| Speaker | Author-1 |
| Date Time | 2021-12-17 11:25:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | RCS2021-189 |
| Volume (vol) | vol.121 |
| Number (no) | no.302 |
| Page | pp.75-80 |
| #Pages | 6 |
| Date of Issue | 2021-12-09 (RCS) |
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