CUHK has recently been named by Thomson Reuters as one of the 10 research institutions in the world with the most impact on telecommunications. Amongst US and European universities, it is the only Asian institution on the list.
The network coding theory was introduced in the late 1990s by Prof. YEUNG Wai-ho Raymond, Choh-Ming Li Professor of Information Engineering, and Co-Director, Institute of Network Coding, CUHK, and his research team. Network coding is a technique that replaces routers with coders that transmit ‘evidence’ of a message, making network communications more efficient, reliable, stable and secure. Professor Yeung and his collaborators have recently been granted the prestigious 2016 IEEE Eric E. Sumner Award for their contributions to the field of network coding.
Professor Yeung’s research team has recently put forward the BATched Sparse Code (BATS code), one of the most mature network coding techniques in the world. It overcomes the problem of data loss during wireless transmission and offers higher speed, reliability and stability. The team is now working towards its future applications in 5G wireless communications, satellite communications, Internet of Things, and wireless sensor/mesh networks.
Having devoted 10 years of his time, Prof. LIEW Soung-chang, Division Head of Information Engineering, and Co-Director, Institute of Network Coding, CUHK, and his research team have successfully developed and prototyped the revolutionary Physical-layer Network Coding (PNC) as a promising technique that can significantly improve the capacity and energy efficiency of wireless networks by tackling the wireless interference problem. PNC has immense application potential, including earth-to-space communications.
Prof. ZHANG Kehuan, Assistant Professor, Department of Information Engineering and his research team have identified a serious vulnerability lying in the Android built-in voice assistant module and reported it to the Google Security Team. Professor Zhang’s team found that the zero-permission malware, named VoicEmployer, once installed on a user's device, could invoke the Voice Dialer mode of Google Voice Search even though the device is locked with a password.
Prof. LAU Wing-cheong, Associate Professor, Department of Information Engineering and his graduate students, HU Pili and YANG Ronghai, have revealed a series of security problems with the design, implementation and practical deployment of the Open Authentication protocol (OAuth 2.0) which is widely adopted by various online social networks (OSN) worldwide.
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