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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 117  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
IT, ISEC, RCC, WBS 2022-03-10
12:00
Online Online Bit-Labeling Optimization of BICM Systems for the Gaussian Wiretap Channel
Toshiki Matsumine, Hideki Ochiai, junji shikata (Yokohama National Univ.) IT2021-98 ISEC2021-63 WBS2021-66 RCC2021-73
 [more] IT2021-98 ISEC2021-63 WBS2021-66 RCC2021-73
pp.95-100
IT, ISEC, RCC, WBS 2022-03-11
16:40
Online Online A study on SNR Mismatch in Successive Cancellation Decoding of Polar Codes
Kosuke Ikeya, Hideki Ochiai (YNU) IT2021-137 ISEC2021-102 WBS2021-105 RCC2021-112
Polar codes have been proven to asymptotically achieve the capacity of arbitrary binary discrete memoryless communicatio... [more] IT2021-137 ISEC2021-102 WBS2021-105 RCC2021-112
pp.313-318
SR 2022-01-25
15:45
Online Online Machine Learning-Based Adaptive Modulation and Coding with Generalized Mutual Information for Coded MIMO-OFDM Systems
Haruhiko Hasegawa, Yuto Hama, Hideki Ochiai (Yokohama Natl Univ) SR2021-83
Adaptive modulation and coding (AMC) is a promising approach for enhancing the spectral efficiency and reliability by se... [more] SR2021-83
pp.118-124
WBS, IT, ISEC 2021-03-04
13:20
Online Online [Poster Presentation] Performance Evaluation of Secure Communication based on OFDM and DFT-Precoded OFDM over Fading Channel
Airi Kaneko, Hideki Ochiai, Junji Shikata (YNU) IT2020-128 ISEC2020-58 WBS2020-47
We analyze the performance of a secure communication technique using OFDM and DFT-precoded OFDM signaling. Our approach ... [more] IT2020-128 ISEC2020-58 WBS2020-47
pp.104-109
RCS 2019-06-19
16:25
Okinawa Miyakojima Hirara Port Terminal Building A Study on Multilevel Coded Modulation Based on CRC-Concatenated Polar Codes
Yuki Yajima, Hideki Ochiai (Yokohama National Univ.) RCS2019-60
Polar codes are shown to approach the channel capacity as the codeword length increases,
and the recent studies have s... [more]
RCS2019-60
pp.137-142
RCS 2019-06-19
16:35
Okinawa Miyakojima Hirara Port Terminal Building On Bit LLR Design for Polar-Coded MIMO Spatial Multiplexing System Based on QRD-M Algorithm
Shuhei Yamaguchi, Hideki Ochiai (Yokohama National Univ.) RCS2019-61
In order to improve bandwidth efficiency of wireless communications systems, MIMO techniques have been extensively studi... [more] RCS2019-61
pp.143-148
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
IT, ISEC, WBS 2019-03-08
14:20
Tokyo University of Electro-Communications On Wireless Steganography based on OFDM and DFT-Precoding for IoT Networks
Ryohei Yamaguchi, Hideki Ochiai, Junji Shikata (Yokohama Natl. Univ.) IT2018-124 ISEC2018-130 WBS2018-125
A method for improving security of IoT networks
by hiding secret
message against the risk of eavesdropping over wire... [more]
IT2018-124 ISEC2018-130 WBS2018-125
pp.297-302
RCS, SR, SRW
(Joint)
2019-03-06
09:25
Kanagawa YRP Software Defined Radio Implementation of SOCC-OFDM System wit hPerformance Evaluation over Fading Channels
Tomoki Yokokawa, Hideki Ochiai (YNU) RCS2018-289
 [more] RCS2018-289
pp.43-48
RCS, NS
(Joint)
2018-12-21
14:20
Hiroshima Onomichi City Hall On Throughput Optimization of OFDM System with Variable Cyclic-Prefix Length over Two-Path Channel Model
Masaya Arakawa, Hideki Ochiai (YNU) RCS2018-237
Orthogonal frequency-division multiplexing (OFDM) generally gains
its resistance against channel delay spread by inser... [more]
RCS2018-237
pp.107-112
ASN, NS, RCS, SR, RCC
(Joint)
2018-07-13
17:05
Hokkaido Hakodate Arena On Reduced-Complexity Coded MIMO Spatial Multiplexing System based on Matched-Filter Detecter and CRC-Assisted Interference Cancellation
Kentaro Masukawa, Hideki Ochiai (Yokohama Natl. Univ.) RCS2018-130
Optimal detection of multiple-input multiple-output~(MIMO) spatial multiplexing
systems becomes challenging as the nu... [more]
RCS2018-130
pp.255-260
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
RCS 2018-06-22
09:50
Nagasaki Nagasaki University A Study on HARQ for OFDM with Super-Orthogonal Convolutional Codes
Kisho Kaneyama, Hideki Ochiai (YNU) RCS2018-65
For wireless communications supporting M2M/IoT, high-reliability and low-latency are two important factors. In this pape... [more] RCS2018-65
pp.179-184
CS, CAS 2018-03-13
10:10
Fukuoka Nishijin Plaza, Kyushu University Implementation and Performance Evaluation of Low-PAPR SOCC-OFDM Communications Systems
Tomoki Yokokawa, Hideki Ochiai (Yokohama Natl. Univ.) CAS2017-148 CS2017-102
One of the major drawbacks of orthogonal frequency-division multiplexing (OFDM) systems is its signal with high peak-to-... [more] CAS2017-148 CS2017-102
pp.87-92
WBS, IT, ISEC 2018-03-09
14:45
Tokyo Katsusika Campas, Tokyo University of Science Study on Aerial Cooperative Relaying for Coverage Extension of High-Altitude Unmanned Aircraft Systems
Fumie Ono (NICT), Hideki Ochiai (Yokohama National Univ.), Ryu Miura, Fumihide Kojima (NICT) IT2017-148 ISEC2017-136 WBS2017-129
 [more] IT2017-148 ISEC2017-136 WBS2017-129
pp.271-273
SR 2018-01-26
14:50
Fukuoka Fukuoka univ. On Implementation of Low-PAPR SOCC-OFDM Communications System using Software Defined Radio
Tomoki Yokokawa, Hideki Ochiai (Yokohama Natl. Univ.) SR2017-108
One of the major drawbacks of orthogonal frequency-division multiplexing (OFDM) systems is its sig- nal with high peak-t... [more] SR2017-108
pp.85-89
ITS, WBS, RCC 2017-12-14
13:30
Okinawa Tiruru/Okinawa Jichikaikan [Poster Presentation] Performance of BICM-OFDM with Variable Cyclic Prefix Length
Masaya Arakawa, Hideki Ochiai (YNU) WBS2017-60 ITS2017-37 RCC2017-76
Orthogonal frequency-division multiplexing (OFDM) generally gains
its resistance against channel delay spread by insert... [more]
WBS2017-60 ITS2017-37 RCC2017-76
pp.141-146
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
AP, RCS
(Joint)
2017-11-08
15:55
Fukuoka Fukuoka University A Study on Interference Cancellation for MIMO Systems with Matched Filter Detector
Yuto Hama, Hideki Ochiai (Yokohama Nat. Univ.) RCS2017-220
Matched filter (MF) detector is known as the lowest computational complexity detector among all MIMO detectors practical... [more] RCS2017-220
pp.87-92
AP, RCS
(Joint)
2017-11-10
10:50
Fukuoka Fukuoka University Adaptive Coding for Uplink Non-Orthogonal Multiple Access based on MIMO-OFDM with Super-Orthogonal Convolutional Codes
Yuta Hori, Hideki Ochiai (YNU) RCS2017-241
The combination of low-rate channel coding with simple decoder and non-orthogonal multiple access is promising in order ... [more] RCS2017-241
pp.209-214
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