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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 21 - 40 of 140 [Previous]  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
SIP, IT, RCS 2021-01-22
14:00
Online Online Proposal of optical CDMA scheme multiplexing several shortened modified prime sequence codes
Kyohei Ono, Shoichiro Yamasaki, Tomoko K. Matsushima (Polytechnic Univ.) IT2020-105 SIP2020-83 RCS2020-196
In this paper, we propose a new synchronous optical code-division multiple access (CDMA) scheme using shortened generali... [more] IT2020-105 SIP2020-83 RCS2020-196
pp.235-240
NS, RCS
(Joint)
2020-12-18
15:00
Online Online Dynamic TDD Allocation via Fractional Programming for Cell-Free Massive MIMO Systems
Shuto Fukue (UEC), Hiroki Iimori, Giuseppe Abreu (Jacobs Univ. Bremen), Koji Ishibashi (UEC) RCS2020-151
In this paper, we consider a user-centric spacial resource management problem for cell-free massive MIMO architectures w... [more] RCS2020-151
pp.91-96
IT 2020-09-04
09:15
Online Online Synchronous Optical CDMA Scheme Using Modified Prime Sequence Code and Its Inverted Code
Kyohei Ono, Shoichiro Yamasaki, Tomoko K. Matsushima (Polytechnic Univ.) IT2020-18
This paper proposes a synchronous optical code-division multiple access (CDMA) scheme using a modified prime sequence co... [more] IT2020-18
pp.1-6
RCS 2020-06-25
13:25
Online Online PC-Signal-Based PAPR Reduction Using Null Space in MIMO Channel for MIMO-OFDM Signals under Frequency-Selective Fading Channel
Leon Yamaguchi (Tokyo Univ. of Science), Nobuhide Nonaka (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2020-36
In this paper, we propose a computational complexity-efficient algorithm for the adaptive peak-to-average power ratio (P... [more] RCS2020-36
pp.79-84
SR 2020-06-04
13:30
Online Online Measurement of radio channel impulse response using USRP X300 software defined radio considering non-causal components
Tomoya Nakahama, Yoji Yamada (NIT, Ishikawa College), Suguru Kameda, Mizuki Motoyoshi, Noriharu Suematsu (Tohoku Univ.) SR2020-1
To prototype a wireless system that includes cancellation using a software defined radio (SDR), the channel impulse resp... [more] SR2020-1
pp.1-8
RCS 2020-04-23
10:00
Online Online Development of Millimeter Wave Local Network System with Service Area Extension based on RoF Technology
Takeshi Matsumura, Hikaru Kawasaki, Kazuo Ibuka, Fumihide Kojima (NICT) RCS2020-1
Currently, Local 5G (5th Generation Communication System), which provides private services within limited sites such as ... [more] RCS2020-1
pp.1-6
RCS, SR, SRW
(Joint)
2020-03-05
11:15
Tokyo Tokyo Institute of Technology
(Cancelled but technical report was issued)
An Application of Deep Learning to CoMP Transmission Employing Vehicle Position Information in Taxi Radio Systems
Kazuki Kojima, Yukiko Shimbo, Hirofumi Suganuma, Fumiaki Maehara (Waseda Univ.) RCS2019-355
This report proposes a coordinated multi-point (CoMP) transmission method based on deep learning for taxi radio systems ... [more] RCS2019-355
pp.189-193
RCS, SR, SRW
(Joint)
2020-03-05
14:50
Tokyo Tokyo Institute of Technology
(Cancelled but technical report was issued)
Investigation on Coding and Successive Cancellation Decoding for Polar Codes over Wireless Channels
Hayao Araki, Yuyuan Chang, Kazuhiko Fukawa (Tokyo Tech.) RCS2019-369
Polar codes have been adopted as an error correction code for the control channel of the 5th generation mobile communica... [more] RCS2019-369
pp.251-256
IT, SIP, RCS 2020-01-23
10:50
Hiroshima Hiroshima City Youth Center Parallelly Processed Adaptive PAPR Reduction Method Using Null Space in MIMO Channel based on Peak Cancellation Signal for MIMO-OFDM Signals
Taku Suzuki, Mikihito Suzuki, Kenichi Higuchi (Tokyo Univ. of Science) IT2019-42 SIP2019-55 RCS2019-272
In this paper,an algorithm to reduce the required iterations for the peak-to-average power ratio (PAPR) reduction is pro... [more] IT2019-42 SIP2019-55 RCS2019-272
pp.37-43
IT, SIP, RCS 2020-01-23
11:40
Hiroshima Hiroshima City Youth Center Iterative Interference Cancellation on LDPC Coded OFDM Systems under Multipath Environment with Long Delay
Masakazu Kizawa, Tetsushi Ikegami (Meiji Univ.) IT2019-44 SIP2019-57 RCS2019-274
In Orthogonal-Frequency-Division-Multiplexing (OFDM) transmission systems, a Cyclic Prefix (CP) which length is correspo... [more] IT2019-44 SIP2019-57 RCS2019-274
pp.51-56
RCS 2019-10-25
14:10
Kanagawa Yokosuka Research Park [Invited Lecture] Digital RoHR for Distributed Collaborative MIMO Reception
Daisuke Umehara (Kyoto Inst. of Tech.) RCS2019-198
We apply the Lloyd-Max quantization to a distributed collaborative interference canceller (DCIC) with digital higher-fre... [more] RCS2019-198
pp.109-114
MIKA
(2nd)
2019-10-03
11:15
Hokkaido Hokkaido Univ. [Poster Presentation] A Study of Turbo Equalization for OFDM Systems under Multipath Environment with Long Delay
Masakazu Kizawa, Tetsushi Ikegami (Meiji Univ.)
In Orthogonal Frequency Division Multiplexing (OFDM) systems, a guard interval (GI) is generally added to avoid the effe... [more]
RCS 2019-06-20
09:40
Okinawa Miyakojima Hirara Port Terminal Building Investigation on Efficient Construction Scheme of Peak Cancellation Signals in Complexity-Reduced PAPR Reduction Method Using Null Space in MIMO Channel for MIMO-OFDM Signals
Taku Suzuki, Mikihito Suzuki (Tokyo Univ. of Science), Yoshihisa Kishiyama (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2019-64
In this paper, we investigate efficient construction schemes of the peak cancellation (PC) signals in the complexity-red... [more] RCS2019-64
pp.161-167
RCS 2019-06-20
10:20
Okinawa Miyakojima Hirara Port Terminal Building Investigation on Transmission Power Control Appropriate for IDMA-based Random Access
Tsubasa Miyata (Tokyo Univ. of Science), Yoshihisa Kishiyama (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2019-68
This paper investigates a transmission power control (TPC) scheme appropriate for interleave division multiple access (I... [more] RCS2019-68
pp.189-195
RCS 2019-06-21
15:25
Okinawa Miyakojima Hirara Port Terminal Building Complexity-Reduced Algorithm for Adaptive PAPR Reduction Method Using Null Space in MIMO Channel for MIMO-OFDM Signals
Mikihito Suzuki, Taku Suzuki (Tokyo Univ. of Science), Yoshihisa Kishiyama (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2019-97
In this paper, we propose a computational complexity-reduced algorithm for our previously reported adaptive peak-to-aver... [more] RCS2019-97
pp.353-358
RCS, SR, SRW
(Joint)
2019-03-06
13:45
Kanagawa YRP Frequency-domain ICI Cancellation for UTW-OFDM without Symbol Overlapping
Akihito Yoshito, Keiichi Mizutani, Takeshi Matsumura, Hiroshi Harada (Kyoto Univ.) SRW2018-55
The universal time-domain windowed-orthogonal frequency division multiplexing (UTW-OFDM) has been proposed as a new wave... [more] SRW2018-55
pp.1-6
RCS, NS
(Joint)
2018-12-21
15:45
Hiroshima Onomichi City Hall A Study on Single-Carrier Frequency Domain Pre-Equalization for Uplink Non-Orthogonal Multiple Access
Kenta Mayama, Kohei Akimoto, Suguru Kameda, Noriharu Suematsu (Tohoku Univ.) RCS2018-239
In this paper, we evaluate the link-level performances applying frequency domain pre-equalization (Pre-FDE) for the upli... [more] RCS2018-239
pp.119-124
WBS, ITS, RCC 2018-12-06
10:00
Okinawa Miyako Island Hirara Port Terminal Bldg. [Poster Presentation] Performance improvement of a wireless optical CDMA system by combination of dynamic hard limiters and successive interference cancellation
Shuto Ito, Kentaro Kobayashi, Hiraku Okada, Masaaki Katayama (Nagoya Univ.) WBS2018-28 ITS2018-11 RCC2018-59
This study considers a data collection system using wireless optical CDMA(Code Division Multiple Access) scheme. The tra... [more] WBS2018-28 ITS2018-11 RCC2018-59
pp.7-12
RCS 2018-10-19
10:30
Tokyo Kikai-Shinko-Kaikan Bldg. Vehicle-to-Pedestrian Connectivity on High Frequency Band Vehicle-Installed Access Points for Adaptive Mobile Network
Kazuki Maruta (Chiba Univ.), Yu Nakayama (Aoyama Gakuin Univ.), Kazuaki Honda (Keio Univ.), Daisuke Hisano (Osaka Univ.), Ken Tanaka (neko 9 Lab.), Chang-Jun Ahn (Chiba Univ.) RCS2018-167
We previously conceived a concept of adaptive mobile network to track the demand traffic fluctuation via vehicle-install... [more] RCS2018-167
pp.89-94
RCS 2018-06-22
11:10
Nagasaki Nagasaki University Investigations on Structure of Interference Canceller in IDMA-based Random Access
Masayuki Kawata (Tokyo Univ. of Science), Kiichi Tateishi (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2018-72
This paper studies various structures of interference canceller appropriate for interleave division multiple access (IDM... [more] RCS2018-72
pp.219-224
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