Thu, Mar 10 AM IT 1 (Online 1)
Chair: Nozomi Miya (Aoyama Gakuin University)
09:40 - 10:55 |
| (1) |
09:40-10:05 |
A New Necessary and Sufficient Condition for the Existence of a one-bit Secret Sharing Scheme and Its Applications  IT2021-83 ISEC2021-48 WBS2021-51 RCC2021-58 |
Ryo Okamura, Hiroki Koga (Univ. Tsukuba) |
| (2) |
10:05-10:30 |
On the Optimal Construction of a Visual Cryptography Scheme with Multiple Access Structures IT2021-84 ISEC2021-49 WBS2021-52 RCC2021-59 |
Raiki Ioki, Hiroki Koga (Tsukuba Univ.) |
| (3) |
10:30-10:55 |
Performance Evaluation of Random Codes and Polar Codes in Channels with Constraints on Time and Energy of One Codeword IT2021-85 ISEC2021-50 WBS2021-53 RCC2021-60 |
Issei Yokosawa, Tomohiko Uyematsu (Tokyo Tech) |
| |
10:55-11:10 |
Break ( 15 min. ) |
Thu, Mar 10 AM IT 2 (Online 1)
Chair: Ryo Shibata (Tokyo University of Science)
11:10 - 12:00 |
| (4) |
11:10-11:35 |
Construction for BICM Polar Codes with Polarization Weight IT2021-86 ISEC2021-51 WBS2021-54 RCC2021-61 |
Michitaka Kurosu, Vamoua Yachongka, Hideki Yagi (UEC) |
| (5) |
11:35-12:00 |
Hybrid-ARQ Scheme Using Systematic Polarization-Adjusted Convolutional Codes IT2021-87 ISEC2021-52 WBS2021-55 RCC2021-62 |
Mizuho Asahi, Y. Vamoua, Hideki Yagi (UEC) |
| |
12:00-13:50 |
Break ( 110 min. ) |
Thu, Mar 10 AM ISEC 1 (Online 2)
Chair: Dai Yamamoto (Fujitsu Labs.)
09:40 - 10:55 |
| (6) |
09:40-10:05 |
Construction GKW Transformation for Arithmetic Circuits IT2021-88 ISEC2021-53 WBS2021-56 RCC2021-63 |
Kotaro Chinen, Hiroaki Anada (Univ. Nagasaki) |
| (7) |
10:05-10:30 |
Towards Group Signature Scheme with Equality Test for Signers IT2021-89 ISEC2021-54 WBS2021-57 RCC2021-64 |
Kyoya Anzai, Hiroaki Anada (Univ. Nagasaki) |
| (8) |
10:30-10:55 |
Threshold Signature Scheme Suitable for a Short Message IT2021-90 ISEC2021-55 WBS2021-58 RCC2021-65 |
Takuya Inomoto (Osaka Univ.), Atsuko Miyaji (Osaka Univ./JAIST) |
| |
10:55-11:10 |
Break ( 15 min. ) |
Thu, Mar 10 AM ISEC 2 (Online 2)
Chair: Tetsuya Izu (Fujitsu Labs.)
11:10 - 12:00 |
| (9) |
11:10-11:35 |
Post-Quantum Deterministic Wallets from Isogenies IT2021-91 ISEC2021-56 WBS2021-59 RCC2021-66 |
Muhammad Usman, Kazuki Yoneyama (Ibaraki Univ.) |
| (10) |
11:35-12:00 |
Improving accuracy by optimizing activation function for convolutional neural network using homomorphic encryption IT2021-92 ISEC2021-57 WBS2021-60 RCC2021-67 |
Kohei Yagyu, Ren Takeuchi, Vo Ngoc Khoi Nguyen, Masakatsu Nishigaki, Tetsushi Ohki (Shizuoka Univ.) |
| |
12:00-13:50 |
Break ( 110 min. ) |
Thu, Mar 10 AM WBS 1 (Online 3)
Chair: Minoru Okada (Nara Institute of Science and Technology)
09:40 - 10:55 |
| (11) |
09:40-10:05 |
A Proposal of Polar Coded Retransmission Control Packet for Meteor Burst Communications IT2021-93 ISEC2021-58 WBS2021-61 RCC2021-68 |
Akira Kobayashi, Kaiji Mukumoto, Tadahiro Wada (Shizuoka Univ.) |
| (12) |
10:05-10:30 |
A Fundamental study on multiple drone detection using a millimeter-wave fast chirp modulation radar IT2021-94 ISEC2021-59 WBS2021-62 RCC2021-69 |
Masashi Kurosaki, Ryohei Nakamura, Hisaya Hadama (NDA) |
| (13) |
10:30-10:55 |
A proposal of parallel transmission visible light communication systems using information embedded movies IT2021-95 ISEC2021-60 WBS2021-63 RCC2021-70 |
Ryosuke Ito, Tadahiro Wada, Kaiji Mukumoto (Shizuoka Univ.), Hiraku Okada (Nagoya Univ.) |
| |
10:55-11:10 |
Break ( 15 min. ) |
Thu, Mar 10 AM WBS 2 (Online 3)
Chair: Masahiro Fujii (Utsunomiya Univ.)
11:10 - 12:50 |
| (14) |
11:10-11:35 |
A Study on Initial Acquisition of WHCDM Signals with Roll-Off Pulse Shaping IT2021-96 ISEC2021-61 WBS2021-64 RCC2021-71 |
Ojiro Komatsu, Toshiharu Kojima (UEC) |
| (15) |
11:35-12:00 |
An Initial Acquisition Scheme with Improved Carrier Frequency Offset Tolerance for MWHCDM IT2021-97 ISEC2021-62 WBS2021-65 RCC2021-72 |
Yota Yamamura, Toshiharu Kojima (UEC) |
| (16) |
12:00-12:25 |
Bit-Labeling Optimization of BICM Systems for the Gaussian Wiretap Channel IT2021-98 ISEC2021-63 WBS2021-66 RCC2021-73 |
Toshiki Matsumine, Hideki Ochiai, junji shikata (Yokohama National Univ.) |
| (17) |
12:25-12:50 |
A Study on Multi-stream Transmission for MU-MIMO by using Imperfect Block Diagonalization IT2021-99 ISEC2021-64 WBS2021-67 RCC2021-74 |
Tadatomo Sato, Tomoyuki Osako, Teruji Ide (Kagoshima Coll.) |
| |
12:50-13:50 |
Break ( 60 min. ) |
Thu, Mar 10 PM IT3 (Online 1)
Chair: Hideki Yagi (The University of Electro-Communications)
13:50 - 14:40 |
| (18) |
13:50-14:15 |
Reed-Muller Code Lattice Decoding with Weighted BP Decoder IT2021-100 ISEC2021-65 WBS2021-68 RCC2021-75 |
Ryoji Shimizu, Brian M. Kurkoski (JAIST) |
| (19) |
14:15-14:40 |
Lossy Source Coding of Binary Memoryless Source by Trained LDGM Encoder IT2021-101 ISEC2021-66 WBS2021-69 RCC2021-76 |
Kazuki Ogawa, Motohiko Isaka (Kwansei Gakuin Univ.) |
| |
14:40-15:45 |
Break ( 65 min. ) |
Thu, Mar 10 PM IT Invited Talk (Online 1)
Chair: Tadashi Wadayama (Nagoya Institute of Technology)
15:45 - 16:35 |
| (20) |
15:45-16:35 |
[Invited Talk]
Byzantine Tolerant Gathering of Mobile Agents IT2021-102 ISEC2021-67 WBS2021-70 RCC2021-77 |
Yuichi Sudo (Hosei Univ.) |
| |
16:35-16:50 |
Break ( 15 min. ) |
Thu, Mar 10 PM IT Special Invited Talk (Online 1)
Chair: Hiroki Koga (University of Tsukuba)
16:50 - 17:40 |
| (21) |
16:50-17:40 |
[Special Invited Talk]
A spread of Information Theory Researches IT2021-103 ISEC2021-68 WBS2021-71 RCC2021-78 |
Hirosuke Yamamoto (U.Tokyo) |
Thu, Mar 10 PM ISEC 3 (Online 2)
Chair: Goichiro Hanaoka (AIST)
13:50 - 15:05 |
| (22) |
13:50-14:15 |
A study of explicit formulae of the isogenies between abelian surfaces IT2021-104 ISEC2021-69 WBS2021-72 RCC2021-79 |
Daiki Hayashida (Mitsubishi Electric Corp.), Masahiro Ishii (Tokyo Tech) |
| (23) |
14:15-14:40 |
Reconsideration of Attacks on the Search Ring-LWE Problem by Trace Map on Finite Field IT2021-105 ISEC2021-70 WBS2021-73 RCC2021-80 |
Tomoka Takahashi, Shinya Okumura, Atsuko Miyaji (Osaka Univ.) |
| (24) |
14:40-15:05 |
Crypto Analysis for Ring-LWE Problem on Subfield in Cyclotomic Field IT2021-106 ISEC2021-71 WBS2021-74 RCC2021-81 |
Satoshi Uesugi, Shinya Okumura, Atsuko Miyaji (OU) |
| |
15:05-15:45 |
Break ( 40 min. ) |
Thu, Mar 10 PM RCC 1 (Online 3)
Chair: Toshinori Kagawa
13:50 - 15:05 |
| (25) |
13:50-14:15 |
Decentralized Event-Triggered Output Feedback Control for Sensor and Actuator Networks IT2021-107 ISEC2021-72 WBS2021-75 RCC2021-82 |
Koichi Kitamura, Koichi Kobayashi, Yuh Yamashita (Hokkaido Univ.) |
| (26) |
14:15-14:40 |
Distributed Online Optimization under Inequality Constraints on Directed Open Multi-agent Systems IT2021-108 ISEC2021-73 WBS2021-76 RCC2021-83 |
Riki Sawamura, Naoki Hayashi, Masahiro Inuiguchi (Osaka Univ.) |
| (27) |
14:40-15:05 |
Optimum Clustering Method for Data Driven Consensus Problem considering Network Centrality IT2021-109 ISEC2021-74 WBS2021-77 RCC2021-84 |
Shoya Ogawa, Koji Ishii (Kagawa Univ) |
| |
15:05-15:45 |
Break ( 40 min. ) |
Fri, Mar 11 AM RCC Invited Talk (Online 1)
Chair: Huan-Bang Li (NICT)
09:40 - 10:30 |
| (28) |
09:40-10:30 |
[Invited Talk]
Fundamentals and Security of Encrypted Control Systems IT2021-110 ISEC2021-75 WBS2021-78 RCC2021-85 |
Kiminao Kogiso, Kaoru Teranishi (UEC) |
| |
10:30-11:10 |
Break ( 40 min. ) |
Fri, Mar 11 AM IT 4 (Online 1)
Chair: Yutaka Jitsumatsu (Tokyo Institute of Technology)
11:10 - 12:25 |
| (29) |
11:10-11:35 |
Finite Blocklength Analysis of Cooperative Superposition Coded Transmission over Nakagami-m fading Channels with Integer m IT2021-111 ISEC2021-76 WBS2021-79 RCC2021-86 |
Yohei Sakai, Masaya Kambara, Tomotaka Kimura, Jun Cheng (Doshisha Univ.) |
| (30) |
11:35-12:00 |
Power Allocation and SNR Evolution of Partial-Access IDMA Systems IT2021-112 ISEC2021-77 WBS2021-80 RCC2021-87 |
Masaya Yamagishi, Tomotaka Kimura, Jun Cheng (Doshisha Univ) |
| (31) |
12:00-12:25 |
A study of distributed MIMO signal detection based on deep unfolding IT2021-113 ISEC2021-78 WBS2021-81 RCC2021-88 |
Masaya Kumagai, Ayano Nakai-Kasai, Tadashi Wadayama (NITech) |
| |
12:25-13:55 |
Break ( 90 min. ) |
Fri, Mar 11 AM ISEC 4 (Online 2)
Chair: Noboru Kunihiro (Univ. of Tsukuba)
11:10 - 12:25 |
| (32) |
11:10-11:35 |
Corruption-Correctable Message Authentication Code IT2021-114 ISEC2021-79 WBS2021-82 RCC2021-89 |
Isamu Furuya, Akiko Inoue, Kazuhiko Minematsu (NEC) |
| (33) |
11:35-12:00 |
Improved Large-state Permutation based on AES instruction and Its Applications IT2021-115 ISEC2021-80 WBS2021-83 RCC2021-90 |
Motoki Nakahashi, Rentaro Shiba, Kosei Sakamoto, Fukang Liu (Univ. Hyogo), Ryoma Ito (NICT), Kazuhiko Minematsu (NEC), Takanori Isobe (Univ. Hyogo/NICT/PRESTO) |
| (34) |
12:00-12:25 |
Improvement of Qubits for Quantum Collision Attacks against Reduced SHA-256 and SHA-512 IT2021-116 ISEC2021-81 WBS2021-84 RCC2021-91 |
Haruki Fukumura, Kazuki Yoneyama (Ibaraki Univ.) |
| |
12:25-13:55 |
Break ( 90 min. ) |
Fri, Mar 11 AM WBS 3 (Online 3)
Chair: Masayuki Kinoshita (Chiba Institute of Technology)
11:10 - 12:25 |
| (35) |
11:10-11:35 |
A study of Enhanced CSK constellation optimization in Underwater SLIPT using Time splitting receiver IT2021-117 ISEC2021-82 WBS2021-85 RCC2021-92 |
Takuma Kogo, Yusuke Kozawa, Hiromasa Habuchi (Ibaraki Univ.) |
| (36) |
11:35-12:00 |
Enhancing physical-layer security by low-luminance space division multiplexing screen for uplink optical camera communication IT2021-118 ISEC2021-83 WBS2021-86 RCC2021-93 |
Alisa Kawade, Wataru Chujo, Kentaro Kobayashi (Meijo Univ.) |
| (37) |
12:00-12:25 |
Optical Fingerprint Positioning System for VN-CSK Type Parallel Transmission Using RGB-LED IT2021-119 ISEC2021-84 WBS2021-87 RCC2021-94 |
Koki Taruishi, Daisuke Ogawa, Yusuke Kozawa, Hiromasa Habuchi (Ibaraki Univ.) |
| |
12:25-13:55 |
Break ( 90 min. ) |
Fri, Mar 11 PM IT 5 (Online 1)
Chair: Tomohiro Ogawa (The University of Electro-Communications)
14:05 - 15:20 |
| (38) |
14:05-14:30 |
Achievable rate of multi-letter Ahlswede-Han scheme for modulo-sum problem IT2021-120 ISEC2021-85 WBS2021-88 RCC2021-95 |
Takuto Kakishima, Shun Watanabe (TUAT) |
| (39) |
14:30-14:55 |
On Random Binning for Distributed Hypothesis Testing IT2021-121 ISEC2021-86 WBS2021-89 RCC2021-96 |
Shun Watanabe (TUAT) |
| (40) |
14:55-15:20 |
On Strong Converse Theorem for Distributed Hypothesis Testing IT2021-122 ISEC2021-87 WBS2021-90 RCC2021-97 |
Yasutada Oohama (UEC) |
| |
15:20-15:35 |
Break ( 15 min. ) |
Fri, Mar 11 PM IT 6 (Online 1)
Chair: Mitsugu Iwamoto (The University of Electro-Communications)
15:35 - 16:50 |
| (41) |
15:35-16:00 |
The explicit formula for the distributions of nonoverlapping words IT2021-123 ISEC2021-88 WBS2021-91 RCC2021-98 |
Hayato Takahashi (Random Data Lab.) |
| (42) |
16:00-16:25 |
Divergence rates and asymptotic convertibility of states on quantum spin chains IT2021-124 ISEC2021-89 WBS2021-92 RCC2021-99 |
Tomoyasu Tsuchiya, Tomohiro Ogawa (UEC) |
| (43) |
16:25-16:50 |
Basic research of quantum radar for flying objects beyond Mach 10
-- Application of quantum estimation theory -- IT2021-125 ISEC2021-90 WBS2021-93 RCC2021-100 |
Osamu Hirota (Chuo Univ.), Genta Masada (Tamagawa Univ), Kenji Nakahira, Masaki Sohma (Tamagawa Univ.) |
Fri, Mar 11 PM ISEC 5 (Online 2)
Chair: Kazuki Yoneyama (Ibaraki Univ.)
14:05 - 15:20 |
| (44) |
14:05-14:30 |
Rocca: Efficient AES-based Encryption Scheme for Beyond 5G IT2021-126 ISEC2021-91 WBS2021-94 RCC2021-101 |
Kosei Sakamoto, Fukang Liu (Univ of Hyogo), Yuto Nakano, Shinsaku Kiyomoto (KDDI Research), Takanori Isobe (Univ of Hyogo/NICT) |
| (45) |
14:30-14:55 |
Implementation and Performance Evaluation of Rocca IT2021-127 ISEC2021-92 WBS2021-95 RCC2021-102 |
Yuto Nakano (KDDI Research), Kosei Sakamoto, Fukang Liu (Univ of Hyogo), Shinsaku Kiyomoto (KDDI Research), Takanori Isobe (Univ of Hyogo/NICT) |
| (46) |
14:55-15:20 |
Analysis of Multi-Bit Differentials in the Stream Cipher ChaCha IT2021-128 ISEC2021-93 WBS2021-96 RCC2021-103 |
Kai Izumi, Atsuko Miyaji (Osaka Univ.) |
| |
15:20-15:35 |
Break ( 15 min. ) |
Fri, Mar 11 PM ISEC 6 (Online 2)
Chair: Takahiro Matsuda (AIST)
15:35 - 16:50 |
| (47) |
15:35-16:00 |
Improvement of Evaluation Function for Unable Combine Portion in Transformation Protocol IT2021-129 ISEC2021-94 WBS2021-97 RCC2021-104 |
Ryunosuke Takita, Koichi Koizumi, Masanobu Ohtsuki (Fukushima KOSEN) |
| (48) |
16:00-16:25 |
Analyzing Average Bit Length of Private Keys Obtained by the Improved Key Set Protocol IT2021-130 ISEC2021-95 WBS2021-98 RCC2021-105 |
Takeshi Undo, Koichi Koizumi, Ohtsuki Masanobu (Fukushima KOSEN) |
| (49) |
16:25-16:50 |
An Efficient Method for Constructing Garbled Circuits Using Linked Lists IT2021-131 ISEC2021-96 WBS2021-99 RCC2021-106 |
Guangjian Liu, Hikaru Morita (Graduate School of Kanagawa Univ) |
Fri, Mar 11 PM WBS 4 (Online 3)
Chair: Ran Sun （Ibaraki Univ.）
14:05 - 15:20 |
| (50) |
14:05-14:30 |
Characteristics of Square-low detection type M-ary modulation system using pseudo-orthogonal M-sequence pairs IT2021-132 ISEC2021-97 WBS2021-100 RCC2021-107 |
Xun Liang, Gen Li, Hiromasa Habuchi (Ibaraki Univ.) |
| (51) |
14:30-14:55 |
Display-Camera Visible Light Communications for Reducing Deterioration of Visual Information by Displaying Data High Speed
-- Evaluation of Visual and Communication Quality -- IT2021-133 ISEC2021-98 WBS2021-101 RCC2021-108 |
Taiga Hayashi, Hiraku Okada (Nagoya Univ.), Kentaro Kobayashi (Meijo Univ.), Tadahiro Wada (Shizuoka Univ.), Bennaila Chedlia, Masaaki Katayama (Nagoya Univ.) |
| (52) |
14:55-15:20 |
A study of back-ground noise reduction for underwater visible light communications using angular diversity receiver IT2021-134 ISEC2021-99 WBS2021-102 RCC2021-109 |
Keigo Matsunaga, Yusuke Kozawa, Hiromasa Habuchi (Ibaraki Univ.) |
| |
15:20-15:35 |
Break ( 15 min. ) |
Fri, Mar 11 PM WBS 5 (Online 3)
Chair: Yusuke Kozawa
15:35 - 16:25 |
| (53) |
15:35-16:00 |
Mitigation of Vessel Motion Effects by Spatial Coding Technique for Multiple Transceivers in Underwater Optical Wireless Communication System IT2021-135 ISEC2021-100 WBS2021-103 RCC2021-110 |
Hitoshi Ando, Chedlia Ben Naila, Hiraku Okada, Masaaki Katayama (Nagoya Univ.) |
| (54) |
16:00-16:25 |
A Study on Symbol Synchronization for Image Sensor Communication Using Propeller-type Rotary LED Transmitter IT2021-136 ISEC2021-101 WBS2021-104 RCC2021-111 |
Akinori Nakayama, Shintaro Arai (Okayama Univ. of Sci.) |
| |
16:25-16:40 |
Break ( 15 min. ) |
Fri, Mar 11 PM RCC 2 (Online 3)
Chair: Koji Ishii (Kagawa Univ.)
16:40 - 17:30 |
| (55) |
16:40-17:05 |
A study on SNR Mismatch in Successive Cancellation Decoding of Polar Codes IT2021-137 ISEC2021-102 WBS2021-105 RCC2021-112 |
Kosuke Ikeya, Hideki Ochiai (YNU) |
| (56) |
17:05-17:30 |
A Proposal of UWB Channel Access Control Based on Pilot Narrow-Band Radio Sensing IT2021-138 ISEC2021-103 WBS2021-106 RCC2021-113 |
Huan-Bang Li, Takeshi Matsumura (NICT) |
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