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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| CPSY, DC, RECONF, IPSJ-ARC [detail] | 2024-06-11 13:15 |
Yamanashi | Isawa View Hotel (Primary: On-site, Secondary: Online) |
Burst Length Optimization in MLC PCM using Encoding and Merge Sort Jin Lei, Kazuteru Namba (Chiba Univ.)  CPSY2024-10 DC2024-10 RECONF2024-10 |
(To be available after the conference date) [more] | CPSY2024-10 DC2024-10 RECONF2024-10 pp.52-57 |
| IMQ, IE, MVE, CQ (Joint) [detail] |
2023-03-16 15:15 |
Okinawa | Okinawaken Seinenkaikan (Naha-shi) (Primary: On-site, Secondary: Online) |
A Method for Fast Compression of Sign Bits of DCT Coefficients in Image Coding Fuma Ito, Chihiro Tsutake, Keita Takahashi, Toshiaki Fujii (Nagoya Univ.) IMQ2022-56 IE2022-133 MVE2022-86 |
Compressing the signs of DCT coefficients is an intractable problem in image coding because of their equiprobable charac... [more] | IMQ2022-56 IE2022-133 MVE2022-86 pp.178-181 |
| IE | 2023-02-02 15:30 |
Tokyo | NII (Primary: On-site, Secondary: Online) |
[Invited Talk]
How Can We Compress Signs of DCT Coefficients in Image Coding?
-- A Method Inspired by Phase Retrieval -- Chihiro Tsutake (Nagoya Univ.) IE2022-55 |
Compressing the signs of DCT coefficients is an intractable problem in image coding because of their equiprobable charac... [more] | IE2022-55 p.19 |
| RCS | 2022-10-27 09:55 |
Ehime | Ehime University, and online (Primary: On-site, Secondary: Online) |
Performance of OFDM Receiver Combining PSA-EKF Phase Noise Compensation and One-Tap Equalization for Radio Backhaul Links Ryota Kuribayashi, Mamoru Sawahashi (Tokyo City Univ.), Norifumi Kamiya (NEC) RCS2022-129 |
This paper proposes OFDM receiver structure that includes one-tap equalization between pilot symbol assisted (PSA) phase... [more] | RCS2022-129 pp.7-12 |
| NC, MBE (Joint) |
2021-03-05 11:20 |
Online | Online | Memory Capacity of Sparse-Coding Hopfield model Implemented on Coherent Ising Machine Ryuta Sasaki, Toru Aonishi (TokyoTech), Kazushi Mimura (Hiroshima City Univ.), Masato Okada (Univ. Tokyo), Yoshihisa Yamamoto (NTT/Stanford Univ.) NC2020-68 |
The coherent Ising machine (CIM) is being developed as one of the Ising computers for solving combinatorial optimization... [more] | NC2020-68 pp.145-150 |
| CAS, CS | 2019-03-08 13:00 |
Kanagawa | Shonan Institute of Technology | A Study on PAPR Reduction of DFT-s-OFDM Signals via Phase Rotation Hikaru Kawasaki, Kentaro Ishizu, Fumihide Kojima (NICT) CAS2018-141 CS2018-109 |
DFT-s-OFDM has been adopted in the 4G LTE uplink (UL) which is induced by DFT-precoding to reduce high peak-to-average-p... [more] | CAS2018-141 CS2018-109 pp.15-20 |
| RCS | 2018-06-22 10:20 |
Nagasaki | Nagasaki University | PAPR Performance of High-Order Circular QAM Constellation With Phase Noise Robustness Miyu Nakabayashi, Bin Zheng, Mamoru Sawahashi (Tokyo City Univ.), Norifumi Kamiya (NEC) RCS2018-68 |
We recently proposed high-order circular quadrature amplitude modulation (QAM) constellation using partial low-density p... [more] | RCS2018-68 pp.195-200 |
| MRIS, IEE-MAG | 2018-03-09 10:50 |
Aichi | Nagoya Univ. | [Invited Talk]
Noise analysis of phase-encoded holographic memory Ryushi Fujimura, Kazuki Someya, Kenta Fukuda (Utsunomiya Univ.) MR2017-51 |
The properties of the intra-page crosstalk noise and the influence of the media shrinkage on phase-encoded multivalued s... [more] | MR2017-51 pp.5-10 |
| RCS, SR, SRW (Joint) |
2018-03-02 17:35 |
Kanagawa | YRP | Parameter Control Method for Massive MIMO using Hybrid Beamforming Ryutaro Kitajima, Kazuhiko Fukawa, Yuyuan Chang (Tokyo Tech) RCS2017-394 |
For the next generation mobile communications, hybrid beamforming (HB) that consists of joint analog beamforming (AB) an... [more] | RCS2017-394 pp.417-422 |
| SIP, IT, RCS | 2018-01-22 13:30 |
Kagawa | Sunport Hall Takamatsu | Design Method of High-Order Circular QAM Constellation with Robustness for Phase Noise and Its BER Performance Bin Zheng, Mamoru Sawahashi (Tokyo City Univ.), Norifumi Kamiya (NEC) IT2017-64 SIP2017-72 RCS2017-278 |
This paper proposes a design method for high-order circular QAM constellation which is robust for time-varying phase noi... [more] | IT2017-64 SIP2017-72 RCS2017-278 pp.55-60 |
| QIT (2nd) |
2017-11-16 13:50 |
Saitama | Saitama University | [Poster Presentation]
BB84 Quantum Key Distribution system with a Dual-Parallel Modulator Weiyang Zhang, Yu Kadosawa, Akihisa Tomita, Kazuhisa Ogawa, Atsushi Okamoto (Hokkaido Univ.) |
The state preparation flaw which is generated by the pulse fluctuation in the signal applied for the phase modulator in ... [more] | |
| AP, RCS (Joint) |
2017-11-09 11:15 |
Fukuoka | Fukuoka University | [Invited Lecture]
4 beam multiplexing 10Gbps millimeter-wave communication with inter-subarray coding interleave beamforming Yoji Ohashi, Masahiko Shimizu, Toshihiro Shimura, Kazuyuki Ozaki, Shunsuke Fujio, Chikara Kojima, Shohei Ishikawa, Hikaru Ishikawa, Takenori Ohshima, Hiroshi Ashida, Kenichi Nishikawa (Fujitsu Labs) AP2017-121 RCS2017-229 |
Inter-subarray coding interleave beamforming has the performance same as full-digital beamforming and lower power consum... [more] | AP2017-121 RCS2017-229 pp.71-76(AP), pp.141-146(RCS) |
| PN, NS, OCS (Joint) |
2017-06-15 11:20 |
Akita | Akita Univ. | Iterative Decoding between Carrier Phase Estimator and FEC Decoder for Optical High-Order QAM Signals Shuai Yuan, Koji Igarashi (Osaka Univ.) OCS2017-12 |
Optical high-order QAM signals are more sensitive to phase noise in coherent detection. In order to compensate for the p... [more] | OCS2017-12 pp.5-10 |
| RCS, SR, SRW (Joint) |
2017-03-03 17:25 |
Tokyo | Tokyo Institute of Technology | BER Performance of Pilot Symbol Assisted and PLL Phase Noise Estimation Methods for High-Order Circular QAM Bin Zheng, Lianjun Deng, Mamoru Sawahashi (Tokyo City Univ.), Norifumi Kamiya (NEC) RCS2016-336 |
This paper presents bit error rate (BER) performance of Circular Quadrature Amplitude Modulation (QAM) constellation whi... [more] | RCS2016-336 pp.265-270 |
| IT, SIP, RCS | 2017-01-20 10:00 |
Osaka | Osaka City Univ. | Circular QAM Constellations with Robustness for Time-Varying Phase Noise Bin Zheng, Lianjun Deng, Mamoru Sawahashi (Tokyo City Univ.), Norifumi Kamiya (NEC) IT2016-82 SIP2016-120 RCS2016-272 |
This paper proposes Circular Quadrature Amplitude Modulation (QAM) constellation which achieves almost identical bit err... [more] | IT2016-82 SIP2016-120 RCS2016-272 pp.211-216 |
| NS, RCS (Joint) |
2016-12-22 10:40 |
Ishikawa | A Study on Phase Noise Variance Estimation and Approximated LLR for Single Carrier Transmissions Makoto Nishikori, Shinsuke Ibi, Seiichi Sampei (Osaka Univ.) RCS2016-225 |
This paper proposes a novel phase noise variance estimation method using preamble sequence and high reliability log like... [more] | RCS2016-225 pp.93-98 |
|
| MWP | 2016-11-14 11:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | A simple diversity scheme using the carrier phase modulation for millimeter-wave-band Pol.-MUX MIMO-RoF systems Shuichi Masui (Osaka Univ.), Yuki Yoshida (NICT), Yukihiro Takami (Osaka Univ.), Kenichi Kitayama (GPI), Akihiro Maruta (Osaka Univ.), Atsushi Kanno, Naokatsu Yamamoto (NICT), Tetsuya Kawanishi (Waseda Univ.) MWP2016-46 |
We proposed a carrier phase modulation scheme to mitigate the channel capacity degradation due to the polarization state... [more] | MWP2016-46 pp.17-22 |
| RCS | 2016-10-20 10:10 |
Kanagawa | YRP (Yokosuka) | Performance of Circular QAM Constellations Using Partial Channel Coding with Parallel Double Gray Mapping Lianjun Deng, Bin Zheng, Mamoru Sawahashi (Tokyo City Univ.), Norifumi Kamiya (NEC) RCS2016-161 |
This paper proposes parallel double Gray mapping scheme which is suitable for circular quadrature amplitude modulation (... [more] | RCS2016-161 pp.47-52 |
| RCS | 2016-06-23 10:50 |
Okinawa | Univ. of the Ryukyus | Performance of Overloaded-MIMO with Phase Precoding on Rician Fading Channel Hirokazu Miyagi, Yukitoshi Sanada (Keio Univ.) RCS2016-64 |
This paper presents the effect of phase precoding to an overloaded MIMO system with turbo coding on a Rician channel. Th... [more] | RCS2016-64 pp.105-110 |
| AP, MW (Joint) |
2014-09-18 14:10 |
Tokyo | Tokyo Institute of Technology, Ookayama Campus | Phase modulated-microwave signal generation using orthogonal polarization modes with optical beat method Kohei Hagiwara, Kenichiro Tsuji, Tomoyuki Uehara, Noriaki Onodera (NDA) MW2014-86 |
Recently, microwave and millimeter wave signal generation using beat-note generation from two lasers has attracted a gre... [more] | MW2014-86 pp.9-14 |
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