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All Technical Committee Conferences  (All Years)

Search Results: Conference Papers
 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 8 of 8  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
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)
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.)
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.)
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.)
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.)
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.)
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.)
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.)
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
 Results 1 - 8 of 8  /   
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