Labs in The University of Electro-Communications, School of Informatics and Engineering, Class II (Fusion)

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The lab researches communication protocols for the Internet and mobile networks.

The Ohzahata-Yamamoto Lab studies various communication protocols for high-speed Internet, mobile Internet, and ad hoc networks. Topics include Mobile IP, TCP, routing protocols, IP multicast, and QoS. At the National Institute of Information and Communications Technology (NICT), an affiliated research institution, research is conducted on terrestrial and satellite mobile communications, digital broadcasting technology, and more.

#Communication protocols #Mobile IP #Ad hoc networks

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A mathematics lab that studies algebraic geometry.

The Ohno Lab studies algebraic geometry. Algebraic geometry is a field of mathematics that investigates geometric figures defined by equations using algebraic methods. Published papers include work on vector bundles over projective spaces and quadrics.

#Algebraic geometry #Vector bundles

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The lab studies information security based on coding theory.

The Yamaguchi Lab studies information security, building on coding theory and information theory. The lab works on applying error-correcting codes to digital watermarking and on collusion-secure codes for digital fingerprinting. The lab also lists cryptography and discrete mathematics among its areas of interest.

#Coding theory #Digital watermarking #Information security

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The lab studies communication networks for IoT, video streaming, drones, and more.

The Yamamoto Lab studies the communication networks used by IoT devices, video streaming, drones, and similar applications. The topics are wide-ranging, including technologies that protect networks, communication control that raises the satisfaction users experience, and communication that allows multiple drones to fly in coordination. The lab also works on ad hoc communication, in which devices relay data to one another like a bucket brigade in environments without infrastructure such as mobile phone base stations.

#IoT security #Quality of experience (QoE) #UAV and ad hoc networks

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The lab studies cryptography from a theoretical perspective and examines its security.

The Iwamoto-Watanabe Lab studies cryptography from a theoretical perspective. Using discrete mathematical tools such as computational complexity theory and information theory, the lab works on devising new cryptographic schemes and evaluating their security theoretically. The lab's main research themes are the security and implementation of information security systems, with mathematics as its basic tool. Working together with the Sakiyama-Li-Miyahara Lab, the Sugawara Lab, and the Wang Lab, which focus on cryptographic implementation, the lab aims to examine information security systems from multiple angles.

#Cryptography #Information theory #Theoretical safety evaluation

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The lab studies security technologies, focusing on biometric authentication and malware countermeasures.

The Ichino Lab studies security technologies, focusing on biometrics (biometric authentication) and malware countermeasures. The lab works on personal authentication using physical and behavioral characteristics, as well as the detection and classification of previously unknown malware. As part of its work on privacy protection, the lab also studies methods for matching movement histories with social media (SNS) accounts. Research topics are decided through meetings with each student.

#Biometrics #Malware countermeasures #Privacy protection

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The lab explores the coexistence of humans and machines through five-senses information processing and robotics.

The Matsumoto Lab studies systems and robot technologies for the coexistence of humans and machines, focusing on perceptual information processing related to the five senses, such as vision, hearing, and touch. The lab has two goals: realizing Kansei informatics that gently supports people, and understanding humans and life from an interdisciplinary perspective spanning the sciences and humanities. The lab also aims to pioneer "Mecha-Bio Frontier," which imitates the mechanisms of life with machines and explores the differences between living things and machines.

#Perceptual information processing #Intelligent robotics #Image processing

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The lab approaches topology and integrable systems through the ideas of representation theory.

The Enomoto Lab uses the ideas of representation theory, a branch of algebra, to study objects related to topology and integrable systems. The lab has worked on estimating the image of the Johnson homomorphism associated with the mapping class group of a surface, from the standpoint of representation theory. The lab has also studied the relationship between hyperplane arrangements and quasi-invariants, and published a joint research paper on it in 2024. On the researcher information page, quantum groups, Hecke algebras, crystal bases, and symmetric polynomials are also listed as research keywords.

#Representation theory #Johnson homomorphism #Hyperplane arrangements

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A lab that designs, analyzes, and applies cryptography that stays secure in the age of quantum computers.

The Wang Lab studies post-quantum cryptography, which remains secure even once quantum computers become practical. Conventional public-key cryptography such as RSA and elliptic curve cryptography is considered vulnerable to quantum computers. The lab therefore carries out the full range of research and development: constructing encryption and signature schemes, proving their security, evaluating parameters, building fast implementations, and developing applications.

#Post-quantum cryptography #Digital signatures #Safety assessment

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石上 嘉康　研究室 (introduction coming soon)

Discrete mathematics