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Paper Abstract and Keywords
Presentation 2022-07-21 14:55
A Quantitative Evaluation of Power Consumption Reduction by Hardware Offload for Virtualized Base Stations
Riichiro Nagareda, Genichi Mouri, Chikara Sasaki, Atsushi Tagami (KDDI/KDDI Research) CQ2022-19
Abstract (in Japanese) (See Japanese page) 
(in English) B5G (Beyond Fifth Generation) and 6G (Sixth Generation) mobile communication systems have been developed for Society 5.0 in the 2030s. Since traffic amount of B5G/6G will be from ten to a hundred times more than 5G, it is assumed that the processing load and power consumption will increase hugely. On the other hand, the base station virtualization of RAN (Radio Access Network) have been developed for decreasing procurement cost and improving operability of the mobile communication systems.
Generally, the virtualized network functions are processed by CPU (Central Processing Unit). However, some functions including parallel and routine operations will be offloaded on GPU (Graphics Processing Unit) and FPGA (Field Programmable Gate Array) for faster operations from CPU.
Focusing on the high process efficiency of GPU and FPGA compared with CPU, the authors have researched power consumption reduction by the hardware offload for the virtualized base stations of the mobile communication systems. We chose some network functions which are appropriate for the hardware offload in the virtualized base station, and measured the power consumption of the functions processed by CPU, GPU and FPGA. Finally we evaluated power reduction effect of the hardware offload quantitatively.
Keyword (in Japanese) (See Japanese page) 
(in English) B5G / 6G / Virtualized Base Station / Hardware Offload / Power Consumption Reduction / / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 129, CQ2022-19, pp. 13-18, July 2022.
Paper # CQ2022-19 
Date of Issue 2022-07-14 (CQ) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 CQ2022-19

Conference Information
Committee CQ  
Conference Date 2022-07-21 - 2022-07-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Ritsumeikan Ibaraki Future Plaza Conference Hall 
Topics (in Japanese) (See Japanese page) 
Topics (in English) QoE and QoS Optimization/Control, Network Optimization/Contorol, etc. 
Paper Information
Registration To CQ 
Conference Code 2022-07-CQ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Quantitative Evaluation of Power Consumption Reduction by Hardware Offload for Virtualized Base Stations 
Sub Title (in English)  
Keyword(1) B5G  
Keyword(2) 6G  
Keyword(3) Virtualized Base Station  
Keyword(4) Hardware Offload  
Keyword(5) Power Consumption Reduction  
1st Author's Name Riichiro Nagareda  
1st Author's Affiliation KDDI Corporation/KDDI Research, Inc. (KDDI/KDDI Research)
2nd Author's Name Genichi Mouri  
2nd Author's Affiliation KDDI Corporation/KDDI Research, Inc. (KDDI/KDDI Research)
3rd Author's Name Chikara Sasaki  
3rd Author's Affiliation KDDI Corporation/KDDI Research, Inc. (KDDI/KDDI Research)
4th Author's Name Atsushi Tagami  
4th Author's Affiliation KDDI Corporation/KDDI Research, Inc. (KDDI/KDDI Research)
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Date Time 2022-07-21 14:55:00 
Presentation Time 25 
Registration for CQ 
Paper # CQ2022-19 
Volume (vol) 122 
Number (no) no.129 
Page pp.13-18 
Date of Issue 2022-07-14 (CQ) 

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