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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| CAS, CS | 2024-03-14 15:10 |
Okinawa | [Special Invited Talk]
Challenges and Future Direction in Message-Passing Demodulation Keigo Takeuchi (TUT)  CAS2023-121 CS2023-114 |
Message-passing demodulation is a promising method for demodulation in massive multiple-input multiple-output (MIMO) upl... [more] | CAS2023-121 CS2023-114 pp.58-63 |
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| IA | 2022-01-28 15:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
Efforts to improve facility management efficiency through IoT Yuichiro Hei, Takamasa Isohara (KDDI Research, Inc.), Keigo Takeuchi (W-NEXCO), Takeshi Kitahara (KDDI Research, Inc.) IA2021-57 |
In recent years, with the rapid aging of society and the declining birthrate, there are concerns that the shortage of hu... [more] | IA2021-57 pp.27-31 |
| IT | 2020-12-03 13:00 |
Online | Online | Approximate Message-Passing in Spatially Coupled Bilinear Inference Problems Yudai Sano, Keigo Takeuchi (TUT) IT2020-52 |
This paper considers joint channel and data estimation in cell-free massive multiple-input multiple-output (MIMO)uplink.... [more] | IT2020-52 pp.148-153 |
| IT | 2020-12-03 13:20 |
Online | Online | Approximate Message-Passing in Spatial Modulation Massive MIMO Uplink Yuta Kuwahara, Keigo Takeuchi (TUT), Satoshi Yamazaki (NIT, Numazu College) IT2020-53 |
This paper addresses an uplink system in which a receiver with massive degrees of freedom in reception observes signals ... [more] | IT2020-53 pp.154-158 |
| RCS, SAT (Joint) |
2019-08-23 13:40 |
Aichi | Nagoya University | [Invited Lecture]
Past, Present, and Future of Message-Passing Demodulation Keigo Takeuchi (TUT) SAT2019-39 RCS2019-168 |
Approximate message-passing (AMP) is attractive iterative demodulation in the present academic research of massive multi... [more] | SAT2019-39 RCS2019-168 pp.119-124(SAT), pp.117-122(RCS) |
| SIP, IT, RCS | 2018-01-23 13:10 |
Kagawa | Sunport Hall Takamatsu | [Invited Talk]
A New Development in Message-Passing Demodulation: Expectation Propagation Keigo Takeuchi (TUT) IT2017-97 SIP2017-105 RCS2017-311 |
Expectation propagation (EP) is reviewed as a new demodulation scheme based on message passing in massive multiple-input... [more] | IT2017-97 SIP2017-105 RCS2017-311 pp.249-254 |
| SIP | 2014-08-28 14:40 |
Osaka | Ritsumeikan Univ. (Osaka Umeda Campus) | [Tutorial Lecture]
Fundamentals of Spatial Couping and its Applications Keigo Takeuchi (UEC) SIP2014-77 |
In spatially coupled factor graphs, the performance of iterative algorithms based on belief propagation is improved up t... [more] | SIP2014-77 pp.27-28 |
| IT | 2014-05-16 14:50 |
Oita | Beppu International Convention Center | Iterative Channel Estimation and Decoding via Spatial Coupling Shuhei Horio, Keigo Takeuchi (UEC) IT2014-8 |
We propose spatially coupled bit-interleaved coded modulation (SC-BICM). The density evolution analysis shows that the S... [more] | IT2014-8 pp.37-42 |
| IT | 2013-11-26 16:05 |
Shizuoka | Hotel Juraku | [Invited Talk]
Recent Advances in Spatial Coupling
-- A Review of Spatially Coupled LDPC Codes -- Keigo Takeuchi (Univ. of Electro-Comm.) IT2013-44 |
2013 IEEE Information Theory Society Paper Award was awarded to a paper on spatially coupled low-density parity-check co... [more] | IT2013-44 pp.27-34 |
| SIP, WBS | 2008-07-25 13:25 |
Hiroshima | Hiroshima Univ. | Statistical-Mechanics-Based Approach to Joint Channel Estimation and Multiuser Detection in DS-CDMA Channels Keigo Takeuchi (Kyoto Univ.), Mikko Vehkaperae (NTNU), Toshiyuki Tanaka (Kyoto Univ.), Ralf R. Mueller (NTNU) SIP2008-84 WBS2008-22 |
We consider multiuser detection in a randomly-spread frequency-selective block-fading DS-CDMA channel with imperfect CSI... [more] | SIP2008-84 WBS2008-22 pp.43-48 |
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