Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
ISEC, IT, WBS |
2020-03-10 11:55 |
Hyogo |
University of Hyogo (Cancelled but technical report was issued) |
An Improved Learning Method for Weighted-BP using MAP-based Training Data Filtering Ryota Yoshizawa, Kenichiro Furuta, Yuma Yoshinaga, Osamu Torii, Tomoya Kodama (Kioxia) IT2019-101 ISEC2019-97 WBS2019-50 |
Weighted-BP has been proposed so as to compensate the shortcoming of BP decoding of high-density parity-check (HDPC) cod... [more] |
IT2019-101 ISEC2019-97 WBS2019-50 pp.73-78 |
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 |
RCS, SR, SRW (Joint) |
2015-03-04 10:50 |
Tokyo |
Tokyo Institute of Technology |
Theoretical Error Rate Analysis of Trellis Shaping Systems with M-QAM Constellations Ryota Yoshizawa, Hideki Ochiai (Yokohama Nat. Univ.) RCS2014-312 |
Trellis shaping (TS), originally proposed by Forney in 1992 for average power reduction of quadrature ampliture modulati... [more] |
RCS2014-312 pp.65-70 |
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, 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 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 |
2013-03-08 15:35 |
Osaka |
Kwansei Gakuin Univ., Osaka-Umeda Campus |
Peak Power Reduction of Trellis Shaped OFDM Signals by Selection Region Expansion Masaki Matsuoka, Ryota Yoshizawa, Hideki Ochiai (Yokohama National Univ.) IT2012-110 ISEC2012-128 WBS2012-96 |
An orthogonal frequency-division multiplexing (OFDM) system is known to have high bandwidth effi- ciency, but its power ... [more] |
IT2012-110 ISEC2012-128 WBS2012-96 pp.303-308 |
RCS |
2011-06-24 16:20 |
Okinawa |
Ryukyu Univ. |
Performance Comparison of Trellis-Shaped OFDM Systems over Nonlinear Channels Ryota Yoshizawa, Hideki Ochiai (Yokohama Nat Univ.) RCS2011-72 |
Orthogonal frequency-division multiplexing (OFDM) can achieve remarkable performance in terms of
spectral efficiency, b... [more] |
RCS2011-72 pp.215-220 |
RCS, MoNA, SR (Joint) |
2011-03-04 09:20 |
Kanagawa |
YRP |
Peak Power Reduction of OFDM Signals Using Trellis Shaping with M Algorithm Ryota Yoshizawa, Hideki Ochiai (Yokohama Nat Univ.) RCS2010-299 |
Trellis shaping (TS) is known as one of flexible methods to reduce peak-to-average power ratio (PAPR) of OFDM signals. H... [more] |
RCS2010-299 pp.295-300 |