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Search Results: Conference Papers
 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 23件中 1~20件目  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
NS, RCS
(Joint)
2019-12-19
09:40
Tokushima Memorial Hall of Alumni(Engineering), Tokushima Univ. A Study on Repetition Control Method Using Terminal Mobility for Uplink Grant-Free URLLC
Shinichi Ozaku, Yukiko Shimbo, Hirofumi Suganuma, Fumiaki Maehara (Waseda Univ.)
 [more]
AP, RCS
(Joint)
2019-11-20
14:40
Saga Saga Univ. A Study on Inter-mode Interference Suppression Employing Even-numbered Modes for UCA-based OAM Multiplexing
Hirofumi Suganuma, Shuhei Saito (Waseda Univ.), Kayo Ogawa (Japan Women's Univ.), Fumiaki Maehara (Waseda Univ.)
(To be available after the conference date) [more] RCS2019-213
pp.61-66
SRW, SeMI, CNR
(Joint)
2019-11-06
13:25
Tokyo Kozo Keisaku Engineering Inc. [Poster Presentation] A Study on Uplink User Allocation Using Simultaneously SCMA and OFDMA
Naoya Gonda, Shinichi Ozaku, Hirofumi Suganuma, Fumiaki Maehara (Waseda Univ.)
(To be available after the conference date) [more] SRW2019-37 SeMI2019-81 CNR2019-31
pp.59-60(SRW), pp.79-80(SeMI), pp.57-58(CNR)
SRW, SeMI, CNR
(Joint)
2019-11-06
13:25
Tokyo Kozo Keisaku Engineering Inc. [Poster Presentation] Impact of Carrier Frequency on System Capacity in OAM Multiplexing with Multiple UCAs
Shuhei Saito, Yuki Ito, Hirofumi Suganuma (Waseda Univ.), Kayo Ogawa (Japan Women's Univ.), Fumiaki Maehara (Waseda Univ.)
In uniform circular array-based orbital angular momentum (UCA-based OAM) multiplexing, it is important to consider the e... [more] SRW2019-38 SeMI2019-82 CNR2019-32
pp.61-62(SRW), pp.81-82(SeMI), pp.59-60(CNR)
RCS, SAT
(Joint)
2019-08-23
11:20
Aichi Nagoya University A Study on Theoretical System Capacity of Multi-user MIMO-OFDM THP in the Presence of Terminal Mobility
Ryota Mizutani, Yukiko Shimbo, Hirofumi Suganuma (Waseda Univ.), Hiromichi Tomeba, Takashi Onodera (Sharp), Fumiaki Maehara (Waseda Univ.)
This report investigates the theoretical system capacity of multi-user multiple-input multiple-output orthogonal frequen... [more] RCS2019-165
pp.103-107
SeMI, RCS, NS, SR, RCC
(Joint)
2019-07-10
13:25
Osaka I-Site Nanba(Osaka) Impact of Misalignment of Beam Axis on System Capacity in OAM Multiplexing with Multiple UCAs
Yuki Ito, Shuhei Saito, Hirofumi Suganuma (Waseda Univ.), Kayo Ogawa (Japan Women's Univ.), Fumiaki Maehara (Waseda Univ.)
In uniform circular array-based orbital angular momentum (UCA-based OAM), the adoption of multiple UCAs is effective bec... [more] RCS2019-101
pp.1-6
RCS 2019-06-19
11:40
Okinawa Miyakojima Hirara Port Terminal Building Theoretical System Capacity of MU-MIMO THP Considering Proportional Fairness Scheduling
Karen Taguchi, Ryota Mizutani, Yukiko Shimbo, Hirofumi Suganuma, Fumiaki Maehara (Waseda Univ.)
(To be available after the conference date) [more] RCS2019-49
pp.73-78
RCS 2019-04-19
09:30
Hokkaido Noboribetsu Grand Hotel A Study on Low Complexity Fair User Scheduling Employing Spatial Orthogonality for MU-MIMO Systems
Ei Nandar Maung, Yukiko Shimbo, Hirofumi Suganuma, Fumiaki Maehara (Waseda Univ.)
This report proposes a low complexity fair user scheduling method employing semiorthogonal user selection (SUS) for mult... [more] RCS2019-13
pp.55-59
RCS, SR, SRW
(Joint)
2019-03-06
09:25
Kanagawa YRP A Study on Radio Resource Allocation Method Considering User Request for NOMA with OMA
Hiroaki Suenaga, Hirofumi Suganuma, Fumiaki Maehara (Waseda Univ.)
(To be available after the conference date) [more] RCS2018-283
pp.7-11
RCS, SR, SRW
(Joint)
2019-03-06
11:20
Kanagawa YRP [Encouragement Talk] Impact of Antenna Arrangement on Theoretical System Capacity of MU-MIMO in the Presence of Terminal Mobility
Hirofumi Suganuma, Yukiko Shimbo (Waseda Univ.), Hiromichi Tomeba, Takashi Onodera (Sharp), Fumiaki Maehara (Waseda Univ.)
(To be available after the conference date) [more] RCS2018-287
pp.31-36
RCS, SIP, IT 2019-02-01
09:00
Osaka Osaka University A Study on AP Selection and User Scheduling for Wireless LAN Employing MU-MIMO
Soma Yamashita, Hirofumi Suganuma (Waseda Univ.), Tomoki Murakami, Yasushi Takatori (NTT), Fumiaki Maehara (Waseda Univ.)
Recently, wireless LAN plays an essential role in alleviating dramatic increase in mobile traffic. However, in dense wir... [more] IT2018-52 SIP2018-82 RCS2018-259
pp.97-101
RCS, NS
(Joint)
2018-12-20
11:45
Hiroshima Onomichi City Hall A study on application of successive interference cancellation to UCA-based OAM-MIMO
Shuhei Saito, Hirofumi Suganuma (Waseda Univ.), Kayo Ogawa (Japan Women's Univ.), Fumiaki Maehara (Waseda Univ.)
(To be available after the conference date) [more] RCS2018-221
pp.31-36
WBS, ITS, RCC 2018-12-07
13:50
Okinawa Miyako Island Hirara Port Terminal Bldg. [Encouragement Talk] A Study on Cost Reduction of Proportional Fairness Scheduling Using User Distribution in MU-MIMO THP
Yukiko Shimbo, Hirofumi Suganuma, Fumiaki Maehara (Waseda Univ.)
(To be available after the conference date) [more] WBS2018-68 ITS2018-51 RCC2018-99
pp.229-234
ASN, SRW
(Joint)
2018-11-05
13:00
Tokyo Tokyo Denki University, Tokyo Senju Campus [Poster Presentation] Impact of the Number of Uniform Circular Arrays on System Capacity in OAM Multiplexing
Shuhei Saito, Hirofumi Suganuma (Waseda Univ.), Kayo Ogawa (Japan Women's Univ.), Fumiaki Maehara (Waseda Univ.)
In UCA-based OAM, the spatial phase and intensity distribution of the transmit OAM signals change significantly dependin... [more] ASN2018-66 SRW2018-31
pp.69-70(ASN), pp.45-46(SRW)
ASN, NS, RCS, SR, RCC
(Joint)
2018-07-13
16:40
Hokkaido Hakodate Arena A Study on Application Effect of Delay Spread Estimation Method based on Level Crossing Rate to Ordering Cost Reduction Method in MU-MIMO-OFDM THP
Yukiko Shimbo, Hirofumi Suganuma, Fumiaki Maehara (Waseda Univ.)
Broadband mobile wireless systems suffer from frequency selective fading due to multipath, which motivates us to
establ... [more]
RCS2018-129
pp.249-254
SAT, WBS
(Joint)
2018-05-25
10:30
Kagoshima Kagoshima University A Study on Frequency and Time Selectivity Estimation Using Level Crossing Rate
Yukiko Shimbo, Hirofumi Suganuma, Fumiaki Maehara (Waseda Univ.)
(To be available after the conference date) [more] WBS2018-4
pp.19-24
IN, RCS, NV
(Joint)
2018-05-11
10:05
Kanagawa Keio University A Study on Theoretical System Capacity Performance of MU-MIMO THP in the Presence of Terminal Mobility
Hirofumi Suganuma, Yukiko Shimbo, Nobuhiro Hiruma (Waseda Univ.), Hiromichi Tomeba, Takashi Onodera (Sharp), Fumiaki Maehara (Waseda Univ.)
MU-MIMO Tomlinson-Harashima precoding (THP) achieves higher system capacity than MU-MIMO linear precoding (LP) thanks to... [more] RCS2018-32
pp.59-64
SIP, IT, RCS 2018-01-23
15:10
Kagawa Sunport Hall Takamatsu A study on radio resource allocation scheme employing simultaneously NOMA and OMA
Hiroaki Suenaga, Hirofumi Suganuma, Nobuhiro Hiruma, Takuro Amatsutsumi, Fumiaki Maehara (Waseda Univ.)
(To be available after the conference date) [more] IT2017-99 SIP2017-107 RCS2017-313
pp.257-260
SRW 2017-11-13
14:25
Tokyo NICT (Koganei) [Poster Presentation] Performance of Adjacent Channel Interference in a System Consisting of OFDM and FBMC
Hiroki Nishida, Hirofumi Suganuma, Fumiaki Maehara (Waseda Univ.)
OFDM can overcome multipath fading just by performing 1-tap equalization, which is suitable for high speed wireless comm... [more] SRW2017-50
pp.27-28
CQ
(2nd)
2017-10-16
16:15
Fukuoka Nishijin Plaza, Kyushu Univ. [Poster Presentation] Theoretical Analysis of System Capacity in MU-MIMO THP with Ordering -- Effect of Modulo Loss on System Capacity --
Hirofumi Suganuma, Nobuhiro Hiruma, Fumiaki Maehara (Waseda Univ.)
MU-MIMO Tomlinson-Harashima precoding (THP) realizes non-linear precoding by the simple modulo operation, which makes it... [more]
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