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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 41  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
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
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
RCS 2019-06-19
16:45
Okinawa Miyakojima Hirara Port Terminal Building On Application of Clipping and Filtering toa OFDM-IM Signals
Kyoka Ujisawa, Hideki Ochiai (Yokohama National Univ.) RCS2019-62
The well-known drawback of orthogonal frequency division multiplexing with index modulation~(OFDM-IM) signals is its hi... [more] RCS2019-62
pp.149-154
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 2019-06-21
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 2018-10-19
13:55
Tokyo Kikai-Shinko-Kaikan Bldg. [Invited Lecture] Analysis on the Performance of Adaptive PAPR Reduction Method Using Null Space in MIMO Channel for Massive MIMO-OFDM Signals
Kenichi Higuchi (Tokyo Univ. of Science) RCS2018-172
This paper analyzes the impact of the applied beamforming (BF) method on the performance of our previously reported adap... [more] RCS2018-172
pp.115-120
RCS 2018-06-22
09:30
Nagasaki Nagasaki University Combination of Beamforming with Per-Antenna Power Constraint and Adaptive PAPR Reduction Method Using Null Space in MIMO Channel for Multiuser Massive MIMO-OFDM Transmission
Mikihito Suzuki (Tokyo Univ. of Science), Kiichi Tateishi (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2018-63
In this paper, we investigate a combination of the beamforming (BF) with per-antenna power limitation and adaptive peak-... [more] RCS2018-63
pp.167-172
AP, RCS
(Joint)
2017-11-08
11:15
Fukuoka Fukuoka University A low-complexity trellis shaping approach for PAPR reduction of OFDM signals
Junya Watanabe, Hideki Ochiai (Yokohama Nat. Univ.) RCS2017-209
In order to mitigate high peak-to-average power ratio (PAPR) problem of orthogonal frequency-division multiplexing (OFDM... [more] RCS2017-209
pp.29-34
RCS 2017-06-23
11:00
Okinawa Ishigaki Shoukou Kaikan Performance Evaluations on Adaptive PAPR Reduction Method Using Null Space of MIMO Channel for Eigenmode Massive MIMO-OFDM Signals
Yuki Matsumoto (Tokyo Univ. of Science), Kiichi Tateishi (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2017-85
The combination of massive multiple-input multiple-output (MIMO) with beamforming (BF) and orthogonal frequency division... [more] RCS2017-85
pp.209-214
RCS 2016-06-24
10:20
Okinawa Univ. of the Ryukyus On Complexity Reduction of Trellis Shaped OFDM Signal with Reduced PAPR using Clipping-based Metric.
Junya Watanabe, Hideki Ochiai (Yokohama Nat. Univ.) RCS2016-82
Trellis shaping (TS) is a signal control technique that makes use of the structure of convolutional code, and it is appl... [more] RCS2016-82
pp.209-214
SRW 2015-08-24
14:40
Tokyo Shibaura Institute of Technology A compensation method of non-linear distortion in LED visible light communications
Hiroaki Matsuno, Shigeru Tomisato, Satoshi Denno, Masaharu Hata (Okayama Univ.), Tatsuo Furuno, Yasuhiro Oda (NTT DOCOMO) SRW2015-20
In visible light communications using light emitting diodes (LEDs), non-linear distortion caused by LED non-linearity de... [more] SRW2015-20
pp.55-58
RCS 2015-06-24
14:20
Hokkaido Hokkaido Univ. On Receiver Side Performance of Coded OFDM System with Active Constellation Extension
Ryota Yoshizawa, Hideki Ochiai (YNU) RCS2015-50
Active constellation extension is a peak-to-average power ratio (PAPR) reduction scheme for orthogonal frequency-divisio... [more] RCS2015-50
pp.25-30
ISEC, IT, WBS 2014-03-10
11:00
Aichi Nagoya Univ., Higashiyama Campus Peak Power Reduction of OFDM Signals based on Trellis Shaping using Clipping and Filtering Combined with Selected Mapping
Masaki Matsuoka, Ryota Yoshizawa, Hideki Ochiai (Yokohama National Univ.) IT2013-63 ISEC2013-92 WBS2013-52
Orthogonal frequency-division multiplexing (OFDM) system has high bandwidth efficiency as well as robustness against mul... [more] IT2013-63 ISEC2013-92 WBS2013-52
pp.61-66
RCS, SR, SRW
(Joint)
2014-03-03
11:00
Tokyo Waseda Univ. A study on application of OFDM clipping & filtering employing transmit power control to MU-MIMO systems
Shoya Takebuchi, Tomoki Maruko, Gen Osada, Fumiaki Maehara (Waseda Univ.) RCS2013-311
Clipping and filtering (CAF) is a promising technique to suppress the out-of-band radiation generated after passing thro... [more] RCS2013-311
pp.31-36
SR 2014-01-24
15:45
Miyagi Tohoku Univ. Out-of-Band Distortion Noise of OFDM Transmission with Multiple Frequency Bands
Shouhei Masaki, Shigeru Tomisato, Satoshi Denno, Masaharu Hata (Okayama Univ.), Tatsuo Furuno, Yasuhiro Oda (NTT DOCOMO) SR2013-93
This paper evaluates in-band and out-of-band distortion noise power caused by non-linearity of an OFDM transmitter with ... [more] SR2013-93
pp.97-102
RCS, SIP 2014-01-24
13:25
Fukuoka Kyushu Univ. A Study on the OFDM Systems with High Power Amplifier Efficiency Based on Combined Peak Power Reduction Methods
Ryota Yoshizawa, Hideki Ochiai (Yokohama National Univ.) SIP2013-121 RCS2013-291
It is well known that the signal of orthogonal frequency-division multiplexing (OFDM) has high peak power and this natur... [more] SIP2013-121 RCS2013-291
pp.211-216
WBS 2013-10-31
15:10
Kagoshima   Effectiveness of OFDM clipping & filtering employing transmit power control in realistic nonlinear amplification
Tomoki Maruko, Shoya Takebuchi, Fumiaki Maehara (Waseda Univ.) WBS2013-25
Clipping and filtering (CAF) is a promising technique to suppress the out-of-band radiation generated after passing thro... [more] WBS2013-25
pp.25-30
WBS 2013-10-31
16:25
Kagoshima   A comparison of power amplifier efficiency for OFDM systems with peak power reduction
Masaki Matsuoka, Ryota Yoshizawa, Hideki Ochiai (Yokohama National Univ.) WBS2013-28
Orthogonal frequency-division multiplexing (OFDM) system has high bandwidth efficiency as well as robustness against mal... [more] WBS2013-28
pp.43-48
IT, ISEC, WBS 2013-03-07
15:30
Osaka Kwansei Gakuin Univ., Osaka-Umeda Campus Performance Comparison of OFDMA and SC-FDMA with Clipping and Filtering
Nguyen Huu Bao Trung, Hideki Ochiai (Yokohama National Univ.) IT2012-86 ISEC2012-104 WBS2012-72
Recently, orthogonal frequency-division multiple access (OFDMA) has been considered as a promis- ing candidate for next-... [more] IT2012-86 ISEC2012-104 WBS2012-72
pp.155-160
WBS 2012-10-26
10:30
Kyoto Kyoto Univ. A Study on OFDM Clipping and Filtering Method Employing SNDR-Based Transmit Power Control
Shoya Takebuchi, Gen Osada, Fumiaki Maehara (Waseda Univ.) WBS2012-26
This paper proposes a novel deterministic approach employing transmit power control to overcome the BER degradation of O... [more] WBS2012-26
pp.1-6
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