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Paper Abstract and Keywords
Presentation 2016-04-22 13:10
Performance evaluation of multi-beam massive MIMO using multi-level modulation
Ryotaro Taniguchi, Kentaro Nishimori, Kohe Kameyama, Hideo Makino (Niigata Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) Massive MIMO transmission, whose number of antennas is much larger than the number of user terminals, has been attracted much attention as one of key technologies in next-generation mobile communication system, because it enables improvement in service area and interference mitigation by simple signal processing. Multi-beam massive MIMO configuration has proposed that utilizes the beam selection with high power in analog part and blind algorithm such as constant modulus algorithm (CMA) which does not need channel state information (CSI) is applied in digital part. Proposed configuration obtains high transmission efficiency. We have evaluated QPSK signals because the CMA basically focuses on the constant amplitude modulation. In this report, in order to achieve the further higher transmission rate, the amplitude and phase compensation scheme is proposed when using the CMA with amplitude and phase modulation scheme such as QAM. The effectiveness of proposed method is verified by the computer simulation.
Keyword (in Japanese) (See Japanese page) 
(in English) Massive MIMO / Multi-beam / CMA / multi-level modulation / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 7, AP2016-12, pp. 63-68, April 2016.
Paper # AP2016-12 
Date of Issue 2016-04-14 (AP) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee AP  
Conference Date 2016-04-21 - 2016-04-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Chub university 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2016-04-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Performance evaluation of multi-beam massive MIMO using multi-level modulation 
Sub Title (in English)  
Keyword(1) Massive MIMO  
Keyword(2) Multi-beam  
Keyword(3) CMA  
Keyword(4) multi-level modulation  
1st Author's Name Ryotaro Taniguchi  
1st Author's Affiliation Niigata University (Niigata Univ.)
2nd Author's Name Kentaro Nishimori  
2nd Author's Affiliation Niigata University (Niigata Univ.)
3rd Author's Name Kohe Kameyama  
3rd Author's Affiliation Niigata University (Niigata Univ.)
4th Author's Name Hideo Makino  
4th Author's Affiliation Niigata University (Niigata Univ.)
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Date Time 2016-04-22 13:10:00 
Presentation Time 25 
Registration for AP 
Paper # IEICE-AP2016-12 
Volume (vol) IEICE-116 
Number (no) no.7 
Page pp.63-68 
#Pages IEICE-6 
Date of Issue IEICE-AP-2016-04-14 

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