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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| CAS, CS | 2024-03-15 13:50 |
Okinawa | Carrier frequency offset estimation for initial acquisition in MWHCDM Masaki Kitagawa, Toshiharu Kojima (Univ of Electro-Communications)  CAS2023-133 CS2023-126 |
Modified Walsh-Hadamard code division multiplexing (MWHCDM) is suitable for helicopter satellite communications, where t... [more] | CAS2023-133 CS2023-126 pp.122-127 |
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| CS | 2023-07-27 09:47 |
Tokyo | Hachijo-machi Chamber of Commerce and Industry | Influence of Walsh-Hadmard codes Multiplied by pseudo-random sequences on Visible Light Communication Using an Event Camera Daiki Ehara, Zhengqiang Tang (Nagoya Univ.), Masayuki Kinoshita (ChibaTech.), Takaya Yamazato, Hiraku Okada (Nagoya Univ.), Koji Kamakura (ChibaTech.), Shintaro Arai (Okayama Univ. of Sci.), Tomohiro Yendo (Nagaoka Univ. of Tech.), Toshiaki Fujii (Nagoya Univ.) CS2023-22 |
Visible light communication using an event camera in a receiver moving environment can transmit information by using Wal... [more] | CS2023-22 pp.14-17 |
| IT, ISEC, RCC, WBS | 2022-03-10 11:10 |
Online | Online | A Study on Initial Acquisition of WHCDM Signals with Roll-Off Pulse Shaping Ojiro Komatsu, Toshiharu Kojima (UEC) IT2021-96 ISEC2021-61 WBS2021-64 RCC2021-71 |
WHCDM (Walsh-Hadamard Code Division Multiplexing) is suitable for helicopter satellite communications, where rotor blade... [more] | IT2021-96 ISEC2021-61 WBS2021-64 RCC2021-71 pp.84-88 |
| IT, ISEC, RCC, WBS | 2022-03-10 11:35 |
Online | Online | An Initial Acquisition Scheme with Improved Carrier Frequency Offset Tolerance for MWHCDM Yota Yamamura, Toshiharu Kojima (UEC) IT2021-97 ISEC2021-62 WBS2021-65 RCC2021-72 |
MWHCDM (modified Walsh-Hadamard code division multiplexing) is suitable for helicopter satellite communications, where r... [more] | IT2021-97 ISEC2021-62 WBS2021-65 RCC2021-72 pp.89-94 |
| SAT, SANE (Joint) |
2018-02-22 12:30 |
Yamaguchi | The Yamaguchi Chamber of Commerce and Industry | A Simplified Initial Acquisition Scheme for WHCDM Based on Distribution Asymmetry of Demultiplexed Signal Energy Yuki Nagashima, Toshiharu Kojima (UEC) SAT2017-59 |
In helicopter satellite communications, the periodic channel blockage due to rotor blades is the most important problem ... [more] | SAT2017-59 pp.19-24 |
| MW, EMCJ, EST, IEE-EMC [detail] | 2017-10-20 16:00 |
Akita | Yupopo | Effect of Front-end Characteristics on Sidelobe of Pulse MIMO Radar Using Complex Sequence with Low Sidelobe Aperiodic Correlation Takashi Shiba, Masato Watanabe, Manabu Akita, Takayuki Inaba (UEC) EMCJ2017-56 MW2017-108 EST2017-71 |
MIMO method of periodic pulse type radar using complex sequence with low sidelobe aperiodic correlation as 1st modulatio... [more] | EMCJ2017-56 MW2017-108 EST2017-71 pp.161-166 |
| SANE | 2016-01-21 16:20 |
Nagasaki | Nagasaki Prefectural Art Museum | Multiplexing of Antenna Signal Using Perfect Periodic Code for PC-HPRF Radar. Takashi Shiba, Masato Watanabe, Masahiro Ishii, Manabu Akita, Takayuki Inaba (UEC) SANE2015-91 |
MIMO (Multi Input Multi Output) methods of PC-HPRF(Phase Coded High Pulse Repetition Frequency) radar have been studied.... [more] | SANE2015-91 pp.53-58 |
| SANE | 2015-10-30 16:00 |
Osaka | OIT UMEKITA Knowledge Center | Complex Sequence with Low Sidelobe Aperiodic Correlation for Code Division Multiple PC-HPRF Radar. Takashi Shiba, Masato Watanabe, Masahiro Ishii, Manabu Akita, Takayuki Inaba (UEC) SANE2015-48 |
MIMO (Multi Input Multi Output) method of PC-HPRF(Phase Coded High Pulse Repetition Frequency) radar have been studied.... [more] |
SANE2015-48 pp.37-42 |
| SIP, CAS, MSS, VLD | 2013-07-12 16:20 |
Kumamoto | Kumamoto Univ. | A Study on SIK Optical CDMA Communications Using Orthogonal Binary Sequence Shinsuke Murakami, Akio Tsuneda (Kumamoto Univ.) CAS2013-35 VLD2013-45 SIP2013-65 MSS2013-35 |
The SIK (sequence inversion keyed) CDMA system has been proposed as one of optical CDMA (code division multiple access) ... [more] | CAS2013-35 VLD2013-45 SIP2013-65 MSS2013-35 pp.195-199 |
| AP, RCS (Joint) |
2012-11-16 09:30 |
Tokyo | Tokyo Denki University | An efficient channel estimation scheme without feedback in bi-directional two-timeslot OFDM relay systems Yuta Koshimizu, Eiji Okamoto (Nagoya Inst. Tech.) RCS2012-172 |
In this paper, we propose an efficient channel estimation scheme without feedback from relay in bi-directional two-times... [more] | RCS2012-172 pp.67-72 |
| AP, RCS (Joint) |
2011-11-18 14:35 |
Aichi | Nagoya Congress Center | A study on channel estimation scheme in two-timeslot OFDM relay systems applying analog network coding Yuta Koshimizu, Eiji Okamoto (NIT) RCS2011-228 |
In bi-directional relay transmission, the transmission efficiency has been decreased due to the waiting time. To tackle ... [more] | RCS2011-228 pp.233-238 |
| RCS | 2009-08-04 17:15 |
Miyagi | Tohoku Univ. | Application of Frequency-domain Block Signal Detection Using Iterative V-BLAST Detection and Walsh-Hadamard Precoding to Turbo-coded Single-carrier Transmission Tetsuya Yamamoto, Kazuki Takeda, Fumiyuki Adachi (Tohoku Univ.) RCS2009-109 |
In our recent paper, we proposed frequency-domain block signal detection combined with iterative Vertical-Bell Laborator... [more] | RCS2009-109 pp.183-188 |
| RCS | 2008-08-27 13:25 |
Hokkaido | Hokkaido University | Performance improvement of Evolved UTRA uplink control channel for fast fading environments Seigo Nakao (Matsushita Electric Industrial Co., Ltd.), Tomohumi Takata (Panasonic Mobile Communications R&D Lab. Co., Ltd.), Daichi Imamura, Katsuhiko Hiramatsu (Matsushita Electric Industrial Co., Ltd.), Kazuyuki Miya (Panasonic Mobile Communications R&D Lab. Co., Ltd.) RCS2008-61 |
HARQ (Hybrid Automatic Repeat Request) is employed for the 3GPP E-UTRA downlink. Each mobile terminal sends its ACK/NACK... [more] | RCS2008-61 pp.49-54 |
| EA, SIP | 2007-05-24 10:30 |
Osaka | Osaka Univ. | A Method for Data Embedding to Printed Images Based on the Use of Original Images Takafumi Shono, Mitsuji Muneyasu, Yoshinobu Kajikawa (Kansai Univ.) EA2007-7 SIP2007-11 |
Data embedding to printed images has become an important issue for several applications. The data retrieval techniques f... [more] | EA2007-7 SIP2007-11 pp.1-6 |
| CAS | 2006-01-12 17:15 |
Miyazaki | Correlation Properties of Orthogonal Sequences Generated by Nonlinear Shift Registers Akio Tsuneda, Yoshinori Higa, Daisaburo Yoshioka, Takahiro Inoue (Kumamoto Univ.) |
Nonlinear feedback shift registers (NFSRs) can be regarded as finite-bit-approximations of Bernoulli and tent maps which... [more] | CAS2005-86 pp.67-72 |
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