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Paper Abstract and Keywords
Presentation 2012-05-18 13:40
10 Gbps 8x8 MIMO-OFDM RF/BB Experimental System for Super High Bit-Rate Mobile Communications
Satoshi Suyama, Hiroyuki Fukuda, Hiroshi Suzuki, Kazuhiko Fukawa (Tokyo Inst. Tech.) RCS2012-40
Abstract (in Japanese) (See Japanese page) 
(in English) Super high bit-rate transmission with more than 10 Gbps has been studied to achieve higher bit-rate in mobile communications. In order to verify its feasibility by experiment, 5 Gbps 4x4 MIMO-OFDM experimental system has been developed and its performances have been evaluated. The experimental system combines baseband (BB) circuits that support 400 MHz bandwidth and 11 GHz band radio frequency (RF) circuits. 10 Gbps 8x8 MIMO-OFDM RF/BB experimental system is developed by enhancing the BB circuits and expanding the RF circuits in the conventional 4x4 MIMO-OFDM experimental system, and this report presents the 8x8 MIMO-OFDM RF/BB experimental system and its hardware configuration. BB circuits employ newly developed 800 MHz-sampling ADC circuits, and exploit an interpolation filter to compensate for difference of clock phase. It is shown that the experimental system achieves error vector magnitude of 2.5 % by coping with IQ imbalance of the RF circuits by signal processing. Moreover, in 10 Gbps 8x8 MIMO-OFDM with coding rate of 3/4 and 64QAM, laboratory experiments are conducted by the experimental system. The experimental results demonstrate that SNR degradation of the measured results to achieve average block error rate of 0.01 is 0.4 dB from the simulation results, and that the experimental system can achieve 10 Gbps throughput at SNR = 15.9 dB by employing turbo detection.
Keyword (in Japanese) (See Japanese page) 
(in English) mobile communication / super high bit-rate / MIMO-OFDM / laboratory experiment / calibration / turbo detection / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 29, RCS2012-40, pp. 109-114, May 2012.
Paper # RCS2012-40 
Date of Issue 2012-05-10 (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 RCS2012-40

Conference Information
Committee IN RCS  
Conference Date 2012-05-17 - 2012-05-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Kuramae-Kaikan, Tokyo Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Wireless Internet, Multi-hop network, Mesh network, Network coding, Cross layer technique, Wireless communication, etc. 
Paper Information
Registration To RCS 
Conference Code 2012-05-IN-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) 10 Gbps 8x8 MIMO-OFDM RF/BB Experimental System for Super High Bit-Rate Mobile Communications 
Sub Title (in English)  
Keyword(1) mobile communication  
Keyword(2) super high bit-rate  
Keyword(3) MIMO-OFDM  
Keyword(4) laboratory experiment  
Keyword(5) calibration  
Keyword(6) turbo detection  
Keyword(7)  
Keyword(8)  
1st Author's Name Satoshi Suyama  
1st Author's Affiliation Tokyo Institute of Technology (Tokyo Inst. Tech.)
2nd Author's Name Hiroyuki Fukuda  
2nd Author's Affiliation Tokyo Institute of Technology (Tokyo Inst. Tech.)
3rd Author's Name Hiroshi Suzuki  
3rd Author's Affiliation Tokyo Institute of Technology (Tokyo Inst. Tech.)
4th Author's Name Kazuhiko Fukawa  
4th Author's Affiliation Tokyo Institute of Technology (Tokyo Inst. Tech.)
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Speaker Author-1 
Date Time 2012-05-18 13:40:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # RCS2012-40 
Volume (vol) vol.112 
Number (no) no.29 
Page pp.109-114 
#Pages 6 
Date of Issue 2012-05-10 (RCS) 

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