Publications on Massive Machine-Type Communications




Journal Papers


• B. Clerckx, et al., "Multiple access techniques for intelligent and multi-functional 6G: Tutorial, survey, and outlook," to appear in Proc. IEEE, 2024. (Available: arXiv)
• Z. Wang, Y-F. Liu, Z. Wang, L. Liu, H. Pan, and S. Cui, "Device activity detection in mMTC with low-resolution ADCs: A new protocol," IEEE Trans. Wireless Commun., vol. 23, no. 6, pp. 5847-5862, June 2024. (Available: arXiv)
• Q. Wang, L. Liu, S. Zhang, and C. M. Lau, "Exploiting temporal side information in massive IoT connectivity," IEEE Trans. Wireless Commun., vol. 22, no. 2, pp. 1432-1447, Feb. 2023. (Available: arXiv)
• L. Liu, E. G. Larsson, W. Yu, P. Popovski, C. Stefanovic, and E. de Carvalho, "Sparse signal processing for grant-free massive connectivity: A future paradigm for random access protocols in the Internet of Things," IEEE Signal Process. Mag., vol. 35, no. 5, pp. 88-99, Sep. 2018. (Available: arXiv)
• L. Liu and W. Yu, "Massive connectivity with massive MIMO-Part II: Achievable rate characterization," IEEE Trans. Signal Process., vol. 66, no. 11, pp. 2947-2959, Jun. 2018. (Available: arXiv)
• L. Liu and W. Yu, "Massive connectivity with massive MIMO-Part I: Device activity detection and channel estimation," IEEE Trans. Signal Process., vol. 66, no. 11, pp. 2933-2946, Jun. 2018. 2021 IEEE Signal Processing Society Best Paper Award (Available: arXiv) (Code at Github)

Letters


• Z. Wang, Y-F. Liu, and L. Liu, "Covariance-based joint device activity and delay detection in asynchronous mMTC," IEEE Signal Process. Lett., vol. 29, pp.538-542, 2022.

Conference Papers


• Q. Wang, L. Liu, S. Zhang, and C. M. Lau, "On massive IoT connectivity with temporally-correlated user activity," in Proc. IEEE International Symposium on Information Theory (ISIT), 2021. (Available: arXiv)
• L. Liu and Y.-F. Liu, "An efficient algorithm for device detection and channel estimation in asynchronous IoT systems," in Proc. IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), 2020. (Available: arXiv)
• L. Cheng, L. Liu, and S. Cui, "A covariance-based user activity detection and channel estimation approach with novel pilot design," to appear in Proc. IEEE International Workshop on Signal Processing Advances in Wireless Communications (SPAWC), 2020. (Available: arXiv)
• L. Liu and W. Yu, "Massive device connectivity with massive MIMO," in Proc. IEEE International Symposium on Information Theory (ISIT), Aachen, Germany, 2017.