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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RCS | 2018-06-22 09:40 |
Nagasaki | Nagasaki University | PAPR Reduction of OFDM with Trellis Shaping based on High-Order Moments Shun Takizawa, Hideki Ochiai (YNU)  RCS2018-64 |
Trellis shaping (TS) controls transmit symbols by adding a codeword to them so as to reduce the PAPR of transmit signal... [more] |
RCS2018-64 pp.173-178 |
| 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 |
| ISEC, WBS, IT | 2017-03-09 14:25 |
Tokyo | TOKAI University | Trellis Reduction for Tail-Biting Convolutional Codes Using Characteristic Matrices and Cyclically Shifted Code-Subsequences Masato Tajima IT2016-108 ISEC2016-98 WBS2016-84 |
Trellis reduction for tail-biting convolutional codes is investigated. A given tail-biting (TB) convolutional code is re... [more] | IT2016-108 ISEC2016-98 WBS2016-84 pp.61-66 |
| RCS, RCC, ASN, NS, SR (Joint) |
2016-07-21 13:45 |
Aichi | On Efficient FPGA Implementation of PAPR Reduction Based on Trellis Shaping for OFDM Systems Jiajia Song, Hideki Ochiai (YNU) RCS2016-120 |
Given the fact that the implementation of trellis shaping (TS) requires a large number of multipliers, its practical app... [more] | RCS2016-120 pp.133-138 |
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| 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 |
| 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 |
| ISEC, IT, WBS | 2014-03-11 16:30 |
Aichi | Nagoya Univ., Higashiyama Campus | Reduction of Error-Trellises for Tail-Biting Convolutional Codes Using Shifted Error-Subsequences Masato Tajima, Koji Okino, Tatsuto Murayama (Univ. of Toyama) IT2013-92 ISEC2013-121 WBS2013-81 |
In this paper, we discuss the reduction of error-trellises for tail-biting convolutional codes. In the case where a spec... [more] | IT2013-92 ISEC2013-121 WBS2013-81 pp.241-248 |
| 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 |
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| 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 |
| SAT, WBS (Joint) |
2012-05-25 09:55 |
Iwate | Iwate Prefectural University | Application of Trellis Shaping for Peak Power Reduction on SC-FDMA Taewoo Lee, Hideki Ochiai (YNU) WBS2012-6 |
Single-carrier modulation technique has been adopted by the fourth generation of the mobile wireless communication syste... [more] | WBS2012-6 pp.29-34 |
| RCS, SIP | 2012-01-27 09:50 |
Fukuoka | Fukuoka Univ. | Application of Coded Modulation Schemes to Trellis-Shaped Single-Carrier PSK Yuuki Nishino, Hideki Ochiai (Yokohama Nat Univ.) SIP2011-97 RCS2011-286 |
Trellis shaping (TS) is known as a flexible technique to constrain (or control) transmit symbol sequence to meet a parti... [more] | SIP2011-97 RCS2011-286 pp.109-114 |
| 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 |
| ISEC, IT, WBS | 2011-03-03 14:00 |
Osaka | Osaka University | [Invited Talk]
Code/Error-Trellis Construction for Convolutional Codes Using Shifted Code/Error-Subsequences Masato Tajima, Koji Okino, Takashi Miyagoshi (Univ. of Toyama) IT2010-73 ISEC2010-77 WBS2010-52 |
In this paper, we present a code/error-trellis construction for convolutional codes using shifted code/error-subsequence... [more] | IT2010-73 ISEC2010-77 WBS2010-52 pp.37-44 |
| 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 |
| IT, ISEC, WBS | 2010-03-04 11:40 |
Nagano | Nagano-Engineering Campus, Shinshu University | 1-State Error-Trellis Decoding of LDPC Convolutional Codes Based on Circulant Matrices Masato Tajima, Koji Okino, Takashi Miyagoshi (Univ. of Toyama) IT2009-95 ISEC2009-103 WBS2009-74 |
We consider the decoding of convolutional codes using an error trellis constructed based on a submatrix of a given check... [more] | IT2009-95 ISEC2009-103 WBS2009-74 pp.153-158 |
| RCS | 2006-06-22 15:00 |
Aichi | Nagoya Inst. Tech. | Peak Power Control Using Trellis Shaping for Single-Carrier QAM Signals Makoto Tanahashi, Hideki Ochiai (Yokohama National Univ.) RCS2006-40 |
This paper proposes a new peak power reduction technique based on trellis shaping for single-carrier QAM signals. With t... [more] | RCS2006-40 pp.31-36 |
| RCS, AP, WBS, SR, MW, MoNA (Joint) |
2006-03-03 15:20 |
Kanagawa | YRP | A Study on Calculation Reduction for Decoding of Chaotic Coded Modulation Cascaded by Trellis Code Eiji Okamoto, Yasunori Iwanami (Nagoya Inst. Tech.) |
In this report, to achieve a secure and high-performance transmission, we propose a chaotic modulation scheme concatenat... [more] | RCS2005-216 pp.229-234 |
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