Research News

  • Aug 2020, invited by IEEE Signal Processing Society, Alex and I gave a webinar “An Algorithmic Investigation of Hybrid Beamforming for 5G and Beyond Networks”. [Slides]

  • July 2020, our paper “Alternating Minimization Algorithms for Hybrid Precoding in Millimeter Wave MIMO Systems” has been identified as being one of the IEEE Signal Processing Society’s top 25 downloaded articles in 2019.

  • July 2020, proposal “Massive IoT Connectivity in Future Wireless Networks via Deep Learning-Assisted Compressive Sensing” was funded by RGC.

  • May 2020, paper “Complete Dictionary Learning via ell_p-norm Maximization” was accepted to Conference on Uncertainty in Artificial Intelligence (UAI) 2020. [Paper]

  • April 2020, a new book “Low-overhead Communications in IoT Networks – Structured Signal Processing Approaches” has been published by Springer. [Book Website] [Simulation Codes]

  • Feb 2020, the BottleNet++ paper was accepted. [Paper] [GitHub]

    • It is an end-to-end framework that jointly considers neural network splitting, feature compression and communication for device-edge co-inference. Interestingly, the result shows that analog communication enjoys advantages in edge AI systems.

  • Feb 2020, a survey paper “Communication-efficient edge AI: Algorithms and systems” was submitted. [Paper]

  • November 2019, a survey paper on hybrid beamforming was submitted as an invited paper to IEEE Open Journal of the Communications Society (OJ-COMS). [Paper]

    • It can be read together with the Slides of my GLOBECOM 2018 tutorial.

  • November 2019, I was elected to the IEEE SPS Signal Processing for Communications and Networking Technical Committee (SPCOM TC) for a 3-year term, effective January 1, 2020. [SPCOM TC]

  • October 2019, paper “Mobile Edge Intelligence and Computing for the Internet of Vehicles” was accepted by Proceedings of the IEEE. [Paper]

    • It surveyed edge AI techniques in a typical application scenario, namley intelligent Internet of Vehicles.

  • October 2019, paper “Towards an intelligent edge: Wireless communication meets machine learning” was accepted to IEEE Communications Magazine. [Paper]

    • It was a joint work with Prof. Kaibin Huang's group at HKU.

  • July 2019, the visionary paper on 6G, “The Roadmap to 6G – AI Empowered Wireless Networks” was accepted to IEEE Communications Magazine. [Paper]

    • It was a joint effort with Prof. Khaled B. Letaief (HKUST), Prof. Wei Chen (Tsinghua), Prof. Yuanming Shi (ShanghaiTech), and Prof. Angela Zhang (CUHK). Any feedback or comment will be highly appreciated.

  • July 2019, paper “A graph neural network approach for scalable wireless power control” submitted. [Paper]

    • For reproducibility, the code is available on [GitHut].

  • April 2019, tutorial “Hybrid Beamforming for 5G Millimeter Wave Systems” was picked for on-demand training of IEEE Communications Society. [Register For Free]

  • Mar. 2019, our book “Stochastic Geometry Analysis of Multi-Antenna Wireless Networks” has been published by Springer. [Book Website]

  • Mar. 2019, paper “LACS: Load-aware cache sharing with isolation guarantee” was accepted by IEEE Int. Conf. Distrib. Comput. Syst. (ICDCS), Dallas, TX, Jul. 2019. (Acceptance Rate: 19.6%)

  • Dec. 2018, I gave a tutorial “Hybrid Beamforming for 5G Millimeter Wave Systems” at IEEE GLOBECOM, Abu Dhabi, Dec. 2018. [Slides]

  • Sept. 2018, paper “A unified framework for the tractable analysis of multi-antenna wireless networks” was accepted. [Paper]

  • July 2018, I gave a talk on “Dense Cooperative Wireless Networks for 5G” at The Hong Kong Polytechnic University. [Slides]

  • July 2018, proposal “Mobility-aware cooperative caching for wireless content delivery” was funded by RGC.

  • June 2018, paper “SP-Cache: Load-balanced, Redundancy-free Cluster Caching with Selective Partition” was accepted to IEEE/ACM International Conference for High Performance Computing, Networking, Storage, and Analysis (SC18). [Paper] [GitHub]

  • Mar. 2018, the paper “OpuS: Fair and efficient cache sharing for in-memory data analytics” was accepted by IEEE ICDCS 2018 (Acceptance Rate: 20%). [Paper]

  • Dec. 2017, received IEEE GLOBECOM 2017 Best Paper Award for the Wireless Communications Symposium, for paper “Hybrid precoding in millimeter wave systems: How many phase shifters are needed?” co-authored with X. Yu and K. B. Letaief. [Paper] [Code]

  • Aug. 2017, survey paper “A Survey on Mobile Edge Computing: The Communication Perspective” accepted by IEEE Communications Surveys and Tutorials. [Paper]

  • Aug. 2017, I gave a talk on “Resource Management for Mobile Edge Computing (MEC)” at Shanghai Jiao Tong University. [Slides]

  • Nov. 2016, the paper on cache management for data analytics clusters was accepted by IEEE INFOCOM 2017 (Acceptance Rate: 20.93%). [Paper]

  • May 2016, paper “Content caching at the wireless network edge: A distributed algorithm via brief propagation” received the IEEE ICC 2016 Best Paper Award, co-authored with J. Liu, B. Bai, and K. B. Letaief. [Paper]

  • Sept. 2014, paper “Joint data assignment and beamforming for backhaul limited caching networks” received IEEE PIMRC 2014 Best Paper Award, co-authored with X. Peng, J.-C. Shen, and K. B. Letaief.

  • Mar. 2014, paper “Mode switching for the multi-antenna broadcast channel based on delay and channel quantization” received The 2014 Best Paper Award for the EURASIP Journal on Advances in Signal Processing (the best paper in prior 5 years in this journal), with Robert W. Heath, Jr., Marios Kountouris, and Jeffrey G. Andrews.