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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 67  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
BCT, IEEE-BT 2021-03-12
10:35
  Online Field Trial of Handover between Multiple Base Stations using MIMO System with Adaptive Transmission Control for Next Generation Mobile Relay FPU
Takahiro Sato, Fumito Ito, Fumiki Uzawa, Takayuki Nakagawa, Naohiko Iai (NHK), Kei Hatano, Takuma Ono, Hitoshi Sugiyama, Hikoichi Saito, Yuichi Iwadate (NHK Technologies, Inc)
In order to expand a capacity of mobile relay FPUs, the authors have been researching a 4x4 MIMO system with adaptive tr... [more] BCT2021-18
pp.1-4
BCT, IEEE-BT 2022-02-17
13:20
Online TBD Channel Estimation to Mitigate Channel Aging in Massive MIMO with Pilot Contamination
Hiroki Hirose, Tomoaki Ohtsuki (Keio Univ.)
In a massive multiple-input mltiple-output (MIMO) system based on time division duplex (TDD), the channel state informat... [more] BCT2021-12
pp.13-16
BCT, IEEE-BT 2022-02-17
14:00
Online TBD A Study on Channel Estimation Scheme for Dual-Polarized MIMO-OFDM
Akito Miyahara (TUS), Akira Nakamura (KU), Makoto Itami (TUS)
In the Japanese next-generation DTTB(Digital Terrestrial Television Broadcasting), a combination of dual-polarized MIMO(... [more] BCT2021-14
pp.21-24
BCT, IEEE-BT 2020-03-06
09:30
Okinawa RBC Hall
(Cancelled)
Transmission Capacity Expansion of Next Generation Mobile Relay FPU -- Performance Evaluation by Field Trial --
Fumito Ito, Fumiki Uzawa, Takahiro Sato, Takayuki Nakagawa, Naohiko Iai (NHK)
In order to expand a capacity of mobile relay FPUs, the authors have been researching a 4x4 TDD-SVD-MIMO system with ada... [more] BCT2020-44
pp.49-52
BCT, IEEE-BT 2020-02-20
14:15
Shiga   Learning-Based Channel Estimation for Massive MIMO with Pilot Contamination and Its Impact of Model Mismatch in Training
Hiroki Hirose, Tomoaki Ohtsuki (Keio Univ.)
In massive multiple-input multiple-output (MIMO), a base station (BS) needs accurate estimation of channel state informa... [more] BCT2020-24
pp.13-16
BCT, IEEE-BT [detail] 2019-07-25
14:20
Hokkaido Tokachi-Plaza Impact of Misalignment of Beam Axis on System Capacity in UCA-based OAM-MIMO
Shuhei Saito, Hirofumi Suganuma (Waseda Univ.), Kayo Ogawa (Japan Women's Univ.), Fumiaki Maehara (Waseda Univ.)
In UCA-based OAM, the misalignment of the beam axis due to wind causes inter-mode interference. So far, we have clarifie... [more] BCT2019-61
pp.13-16
BCT, IEEE-BT 2019-03-15
13:45
Nagasaki Izuharachiku-Kouminkan (Tsushima City) A Study on Channel Estimation Using Compressed Sensing-based Extrapolation for OFDM Systems
Yukiko Shimbo, Hirofumi Suganuma (Waseda Univ.), Hiromichi Tomeba, Takashi Onodera, Hideo Namba (Sharp), Fumiaki Maehara (Waseda Univ.)
(To be available after the conference date) [more] BCT2019-40
pp.17-20
IEICE-SIS, BCT 2018-10-26
09:55
Kyoto Kyoto University Clock Tower Centennial Hall Mobile Transmission Trial of 8K Video using 4x4 TDD-SVD-MIMO System with Adaptive Transmission Control
Fumito Ito, Fumiki Uzawa, Kazuhiko Mitsuyama, Naohiko Iai (NHK)
In order to expand a capacity of mobile relay FPUs, the authors have been researching a 4x4 TDD-SVD-MIMO system with ada... [more] BCT2018-85
pp.73-76
BCT, IEEE-BT, HOKKAIDO 2018-07-26
13:40
Hokkaido Hokkaido Univ. Channel estimation using spatial interpolation in Massive MIMO
Masumi Kuriyama, Tomoaki Ohtsuki (Keio Univ.)
Massive MIMO (multiple-input multiple-output) is a technology that uses many antennas at the base station, and can reali... [more] BCT2018-60
pp.1-4
BCT, IEEE-BT, HOKKAIDO 2018-07-26
16:00
Hokkaido Hokkaido Univ. Hybrid system of 4K and current HD DTTB -- A study on a technique to divide a segment and transmit 2K as horizontal polarized wave and 4K as both horizontal and vertical polarized waves --
Iwao Namikawa, Kazuhisa Kuriyama, Koichi Ono (KTV)
We studied technical methodology to divide a segment and transmit 2K as horizontal polarized wave and 4K as both horizon... [more] BCT2018-65
pp.21-25
BCT, IEEE-BT 2018-03-09
13:00
Okinawa Hirara-Port-Terminal Bldg.(Miyako Island) [Memorial Lecture] Development of 4x4 SVD-MIMO System with Adaptive Transmission Control for Next Generation Mobile Relay FPU
Fumito Ito, Fumiki Uzawa, Kazuhiko Mitsuyama, Naohiko Iai (NHK)
Super Hi-Vision (SHV) is the next generation broadcasting service using ultra high-definition videos. In Japan, the test... [more] BCT2018-43
pp.21-24
BCT, IEEE-BT 2018-03-09
13:30
Okinawa Hirara-Port-Terminal Bldg.(Miyako Island) MMSE Based Low Complexity Maximum Likelihood Detection Using Successive Interference Canceller for MIMO-OFDM Hardware Implementation
Takahiro Ikeshita, Taishi Watanabe, Hiroshi Tsutsui, Yoshikazu Miyanaga (Hokkaido Univ.)
In this paper, we propose a computational cost reduction method for
the maximum likelihood detection (MLD) which is a n... [more]
BCT2018-44
pp.25-28
BCT, IEEE-BT 2018-02-22
14:15
Toyama Kanponoyado-Toyama Performance Evaluation of MMSE Dual-Polarized MIMO-ICI Canceller under Mobile Reception
Hiroaki Otsubo, Akira Nakamura, Makoto Itami (TUS)
Dual-polarized MIMO and ultra-multilevel OFDM is proposed for next-generation digital terrestrial broadcasting. In multi... [more] BCT2018-26
pp.9-12
BCT, IEEE-BT 2018-02-23
09:00
Toyama Kanponoyado-Toyama OFDM Pilot Levels of Microwave Link for 4K・8K Broadcasting Program Contribution
Kenji Murase, Hirokazu Kamoda (NHK), Kazuhiko Shibuya (NES), Naohiko Iai, Koichiro Imamura, Hiroyuki Hamazumi (NHK)
We are developing a microwave link, which we call an FPU (Field Pick-up Unit), that can transmit 4K・8K signals for live ... [more] BCT2018-34
pp.41-44
IEICE-CS, IEICE-IE, IPSJ-AVM, BCT [detail] 2017-11-30
15:10
Aichi   [Special Talk] Research and Development aimed at UHD Digital Terrestrial Broadcasting -- Expanding Transmission Capacity and Effective Utilization of Frequency --
Kenichi Tsuchida (NHK)
We have been developing a next generation terrestrial broadcasting system that enables Ultra High Definition Television ... [more] BCT2017-95
pp.47-54
IEICE-OFT, IEICE-OCS, IEE-CMN, BCT [detail] 2017-11-24
15:50
Osaka Kansa-Univ. Umeda Campus 257-Tbit/s Partial MIMO-based 10-Mode C+L-band WDM Transmission
Daiki Soma, Shohei Beppu, Yuta Wakayama (KDDI Research, Inc.), Koji Igarashi (Osaka Univ.), Takehiro Tsuritani (KDDI Research, Inc.)
Mode-division multiplexing (MDM) transmission technique using a few-mode fiber (FMF) has been investigated to overcome t... [more]
BCT, IEEE-BT 2017-10-20
13:00
Fukushima ApioSpace Research and Development on a Mobile Wireless Link System for Ultra High Definition Broadcasting Program Contribution
Naohiko Iai (NHK), Hikoichi Saito (NHK Integrated Technology Inc.), Mitsuru Uesugi (Panasonic), Atsushi Miyashita (HiKE), Tomohiro Saito (NHK)
The authors are conducting research on a next generation mobile Field Pick-up Unit (FPU) system that enables wirelessly ... [more] BCT2017-81
pp.1-4
BCT, IEEE-BT 2017-10-20
13:25
Fukushima ApioSpace Prototyping and Performance Evaluation of 4x4 TDD-SVD-MIMO System with Adaptive Transmission Control
Fumito Ito, Fumiki Uzawa, Kazuhiko Mitsuyama, Naohiko Iai (NHK)
In order to expand a capacity of mobile relay FPUs, the authors have been researching a 4x4 TDD-SVD-MIMO system with ada... [more] BCT2017-82
pp.5-8
BCT, IEEE-BT 2017-10-20
13:50
Fukushima ApioSpace A Rate-matching Method Applicable to 4x4 TDD-SVD-MIMO System with Adaptive Transmission Control
Fumiki Uzawa, Fumito Ito, Kazuhiko Mitsuyama, Naohiko Iai (NHK)
The authors examine increasing the capacity toward 4K/8K transmission of mobile FPU (Field Pick-up Unit) system used for... [more] BCT2017-83
pp.9-12
BCT, IEEE-BT 2017-10-20
14:25
Fukushima ApioSpace Outdoor Field Trial of 4x4 TDD-SVD-MIMO System with Adaptive Transmission Control
Kazuhiko Mitsuyama, Fumiki Uzawa, Fumito Ito, Naohiko Iai (NHK)
We are conducting research on the next-generation 1.2-GHz/2.3-GHz-band mobile field pick-up unit(FPU) system that can wi... [more] BCT2017-84
pp.13-16
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