Committee 
Date Time 
Place 
Paper Title / Authors 
Abstract 
Paper # 
RCS 
20180622 09:40 
Nagasaki 
Nagasaki University 
PAPR Reduction of OFDM with Trellis Shaping based on HighOrder Moments Shun Takizawa, Hideki Ochiai (YNU) 
Trellis shaping (TS) controls transmit symbols by adding a codeword to them
so as to reduce the PAPR of transmit signal... [more] 
RCS201864 pp.173178 
AP, RCS (Joint) 
20171108 11:15 
Fukuoka 
Fukuoka University 
A lowcomplexity trellis shaping approach for PAPR reduction of OFDM signals Junya Watanabe, Hideki Ochiai (Yokohama Nat. Univ.) 
In order to mitigate high peaktoaverage power ratio (PAPR) problem of orthogonal frequencydivision multiplexing (OFDM... [more] 
RCS2017209 pp.2934 
RCS, RCC, ASN, NS, SR (Joint) 
20160721 13:45 
Aichi 

On Efficient FPGA Implementation of PAPR Reduction Based on Trellis Shaping for OFDM Systems Jiajia Song, Hideki Ochiai (YNU) 
Given the fact that the implementation of trellis shaping (TS) requires a large number of multipliers, its practical app... [more] 
RCS2016120 pp.133138 
RCS 
20160624 10:20 
Okinawa 
Univ. of the Ryukyus 
On Complexity Reduction of Trellis Shaped OFDM Signal with Reduced PAPR using Clippingbased Metric. Junya Watanabe, Hideki Ochiai (Yokohama Nat. Univ.) 
Trellis shaping (TS) is a signal control technique that makes use of the structure of convolutional code, and it is appl... [more] 
RCS201682 pp.209214 
RCS, SR, SRW (Joint) 
20150304 10:50 
Tokyo 
Tokyo Institute of Technology 
Theoretical Error Rate Analysis of Trellis Shaping Systems with MQAM Constellations Ryota Yoshizawa, Hideki Ochiai (Yokohama Nat. Univ.) 
Trellis shaping (TS), originally proposed by Forney in 1992 for average power reduction of quadrature ampliture modulati... [more] 
RCS2014312 pp.6570 
ISEC, IT, WBS 
20140310 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.) 
Orthogonal frequencydivision multiplexing (OFDM) system has high bandwidth efficiency as well as robustness against mul... [more] 
IT201363 ISEC201392 WBS201352 pp.6166 
RCS, SIP 
20140124 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.) 
It is well known that the signal of orthogonal frequencydivision multiplexing (OFDM) has high peak power and this natur... [more] 
SIP2013121 RCS2013291 pp.211216 
WBS 
20131031 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.) 
Orthogonal frequencydivision multiplexing (OFDM) system has high bandwidth efficiency as well as robustness against mal... [more] 
WBS201328 pp.4348 
IT, ISEC, WBS 
20130308 15:35 
Osaka 
Kwansei Gakuin Univ., OsakaUmeda Campus 
Peak Power Reduction of Trellis Shaped OFDM Signals by Selection Region Expansion Masaki Matsuoka, Ryota Yoshizawa, Hideki Ochiai (Yokohama National Univ.) 
An orthogonal frequencydivision multiplexing (OFDM) system is known to have high bandwidth effi ciency, but its power ... [more] 
IT2012110 ISEC2012128 WBS201296 pp.303308 
SAT, WBS (Joint) 
20120525 09:55 
Iwate 
Iwate Prefectural University 
Application of Trellis Shaping for Peak Power Reduction on SCFDMA Taewoo Lee, Hideki Ochiai (YNU) 
Singlecarrier modulation technique has been adopted by the fourth generation of the mobile wireless communication syste... [more] 
WBS20126 pp.2934 
RCS, SIP 
20120127 09:50 
Fukuoka 
Fukuoka Univ. 
Application of Coded Modulation Schemes to TrellisShaped SingleCarrier PSK Yuuki Nishino, Hideki Ochiai (Yokohama Nat Univ.) 
Trellis shaping (TS) is known as a flexible technique to constrain (or control) transmit symbol sequence to meet a parti... [more] 
SIP201197 RCS2011286 pp.109114 
RCS 
20110624 16:20 
Okinawa 
Ryukyu Univ. 
Performance Comparison of TrellisShaped OFDM Systems over Nonlinear Channels Ryota Yoshizawa, Hideki Ochiai (Yokohama Nat Univ.) 
Orthogonal frequencydivision multiplexing (OFDM) can achieve remarkable performance in terms of
spectral efficiency, b... [more] 
RCS201172 pp.215220 
RCS, MoNA, SR (Joint) 
20110304 09:20 
Kanagawa 
YRP 
Peak Power Reduction of OFDM Signals Using Trellis Shaping with M Algorithm Ryota Yoshizawa, Hideki Ochiai (Yokohama Nat Univ.) 
Trellis shaping (TS) is known as one of flexible methods to reduce peaktoaverage power ratio (PAPR) of OFDM signals. H... [more] 
RCS2010299 pp.295300 
RCS 
20060622 15:00 
Aichi 
Nagoya Inst. Tech. 
Peak Power Control Using Trellis Shaping for SingleCarrier QAM Signals Makoto Tanahashi, Hideki Ochiai (Yokohama National Univ.) 
This paper proposes a new peak power reduction technique based on trellis shaping for singlecarrier QAM signals. With t... [more] 
RCS200640 pp.3136 