Publications by topic

Data Science, AI

High-Dimensional Estimation

  1. Y. Shen, Y. Xue, J. Zhang, K. B. Letaief, and V. Lau, “Complete Dictionary Learning via ell_p-norm Maximization,” Conference on Uncertainty in Artificial Intelligence (UAI) 2020, Toronto, Canada, Aug. 2020. [Paper]

Learning to Optimize

  1. Y. Shen, Y. Shi, J. Zhang, and K. B. Letaief, “Graph neural networks for scalable radio resource management: architecture design and theoretical analysis,” IEEE J. Select. Areas Commun, to appear. [Paper]

  2. Y. Shen, Y. Shi, J. Zhang, and K. B. Letaief, “A graph neural network approach for scalable wireless power control,” in Proc. IEEE GLOBECOM 2019 Workshop on Machine Learning for Wireless Communications, Waikoloa, HI, USA, Dec. 2019. [Paper] [GitHub]

  3. Y. Shen, Y. Shi, J. Zhang, and K. B. Letaief, “LORM: Learning to optimize for resource management in wireless networks with few training samples,” IEEE Trans. Wireless Commun., vol. 19, no. 1, pp. 665–679, Jan. 2020. [Paper]

  4. Y. Shen, Y. Shi, J. Zhang, and K. B. Letaief, “Transfer learning for mixed-integer resource allocation problems in wireless networks,” in Proc. IEEE Int. Conf. Commun. (ICC), Shanghai, China, May 2019. [Paper]

  5. Y. Shen, Y. Shi, J. Zhang, and K. B. Letaief, “Scalable network adaption for green Cloud-RANs: An imitation learning approach,” in Proc. IEEE Global Conf. Signal and Inf. Process. (GlobalSIP), Anaheim, CA, Nov. 2018. [Paper]

Big Data Analytics Systems

  1. Y. Yu, C. Zhang, W. Wang, J. Zhang, and K. B. Letaief, “Towards dependency-aware cache management for data-parallel applications,” IEEE Trans. Cloud Computing, accepted.

  2. Y. Yu, W. Wang, R. Huang, J. Zhang, and K. B. Letaief, “Achieving load-balanced, redundancy-free cluster caching with selective partition,” IEEE Trans. Parallel Distrib. Syst., vol. 31, no. 2, pp. 439–454, Feb. 2020.

  3. Y. Yu, W. Wang, J. Zhang, and K. B. Letaief, “LACS: Load-aware cache sharing with isolation guarantee,” in Proc. IEEE Int. Conf. Distrib. Comput. Syst. (ICDCS), Dallas, TX, Jul. 2019. (Acceptance Rate: 19.6%)

  4. Y. Yu, R. Huang, W. Wang, J. Zhang, and K. B. Letaief, “SP-Cache: Load-balanced, Redundancy-free Cluster Caching with Selective Partition,” in Proc. IEEE/ACM International Conference for High Performance Computing, Networking, Storage, and Analysis (SC18), Dallas, TX, November, 2018. (Acceptance Rate: 19%) [Paper] [GitHub]

  5. Y. Yu, W. Wang, J. Zhang, Q. Weng, and K. B. Letaief, “OpuS: Fair and efficient cache sharing for in-memory data analytics,” in Proc. IEEE Int. Conf. Distrib. Comput. Syst. (ICDCS), Vienna, Austria, Jul. 2018. (Acceptance Rate: 20%) [Paper]

  6. Y. Yu, W. Wang, J. Zhang, and K. B. Letaief, “LRC: Dependency-aware cache management in data analytics clusters,” in Proc. IEEE INFOCOM 2017, Atlanta, GA, May 2017. (Acceptance Rate: 20.93%) [Paper] [Slides]

Edge AI

Edge Learning

  1. J. Shao, H. Zhang, Y, Mao, and J. Zhang, “Branchy-GNN: a device-edge co-inference framework for efficient point cloud processing,” submitted to ICASSP 2021.

  2. J. Shao, J. Zhang, “Communication-computation trade-off in resource-constrained edge inference,” IEEE Commun. Mag., to appear. [Paper] [GitHub]

  3. Y. Shi, K. Yang, T. Jiang, J. Zhang, and K. B. Letaief, “Communication-efficient edge AI: Algorithms and systems,” IEEE Commun. Surveys Tuts., to appear. [Paper]

  4. X. Yang, S. Hua, Y. Shi, H. Wang, J. Zhang, and K. B. Letaief, “Sparse optimization for green edge AI inference,” Journal of Communications and Information Networks, vol. 5, no. 1, pp. 1–15, Apr. 2020. [Paper]

  5. J. Shao, J. Zhang, “BottleNet++: An end-to-end approach for feature compression in device-edge co-inference systems,” in Proc. IEEE Int. Conf. Commun. (ICC) Workshop on Edge Machine Learning for 5G Mobile Networks and Beyond, Dublin, Ireland, Jun. 2020. [Paper] [GitHub]

  6. D. Liu, G. Zhu, J. Zhang, and K. Huang, “Data-importance aware User scheduling for communication-efficient edge machine learning,” IEEE Trans. Cognitive Commun. and Networking, to appear. [Paper]

  7. D. Liu, G. Zhu, Q. Zeng, J. Zhang, and K. Huang, “Wireless data acquisition for edge learning: Data-importance aware retransmission,” IEEE Trans. Wireless Commun., to appear. [Paper]

  8. L. Wang, J. Zhang, J. Chuan, R. Ma, and A. Fei, “Edge intelligence for mission cognitive wireless emergency networks,” IEEE Wireless Commun. Mag., vol. 27, no. 4, pp. 103–109, Aug 2020.

  9. J. Zhang and K. B. Letaief, “Mobile edge intelligence and computing for the Internet of vehicles,” Proc. IEEE, vol. 108, no. 2, pp. 246–261, Feb. 2020. [Paper]

  10. G. Zhu, D. Liu, Y. Du, C. You, J. Zhang, and K. Huang, “Toward an intelligent edge: Wireless communication meets machine learning,” IEEE Commun. Mag., vol. 58, no. 1, pp. 19–25, Jan. 2020. [Paper]

Federated Learning

  1. L. Liu, J. Zhang, S.H. Song, and K. B. Letaief, “Client-edge-cloud hierarchical federated learning,” in Proc. IEEE Int. Conf. Commun. (ICC), Dublin, Ireland, Jun. 2020. [Paper]

Mobile Edge Computing

  1. L. Chen, J. Wu, J. Zhang, X. Long, and Y. Pang, “Dependency-aware computation offloading for mobile edge computing with edge-cloud cooperation,” submitted.

  2. Y. Mao, C. You, J. Zhang, K. Huang, and K. B. Letaief, “A survey on mobile edge computing: The communication perspective,” IEEE Commun. Surveys Tuts., vol. 19, no. 4, pp. 2322-2358, 4th Quart. 2017. [Paper]

  3. Y. Mao, J. Zhang, S.H. Song, and K. B. Letaief, “Stochastic joint radio and computational resource management for multi-user mobile-edge computing systems,” IEEE Trans. Wireless Commun., vol. 16, no. 9, pp. 5994-6009, Sept. 2017. [Paper]

  4. Y. Mao, J. Zhang, and K. B. Letaief, “Dynamic computation offloading for mobile-edge computing with energy harvesting devices,” IEEE J. Select. Areas Commun. - Series on Green Commun. and Networking, vol. 34, no. 12, pp. 3590-3605, Dec. 2016. [Paper] (The 2019 IEEE Communications Society & Information Theory Society Joint Paper Award)

Mobile Edge Caching

  1. S. He, J. Wang, J. Zhang, Y. Huang, and X. Zhang, “Coordinated fronthaul data assignment and multicast beamforming for cache-enabled wireless networks,” IEEE Wireless Commun. Lett., vol. 8, no. 4, pp. 1082–1085, Aug. 2019.

  2. R. Wang, J. Zhang, S.H. Song, and K. B. Letaief, “Exploiting mobility in cache-assisted D2D networks: Performance analysis and optimization,” IEEE Trans. Wireless Commun., vol. 17, no. 8, pp. 5592-5605, Aug. 2018. [Paper]

  3. X. Peng, Y. Shi, J. Zhang, and K. B. Letaief, “Layered group sparse beamforming for cache-enabled wireless networks,” IEEE Trans. Commun., vol. 65, no. 12, pp. 5589-5603, Nov. 2017. [Paper]

  4. J. Liu, B. Bai, J. Zhang, and K. B. Letaief, “Cache placement in Fog-RANs: from centralized to distributed algorithms,” IEEE Trans. Wireless Commun., vol. 16, no. 11, pp. 7039-7051, Nov. 2017. [Paper]

    1. Part of this work was presented at ICC 2016, and received a Best Paper Award.

  5. R. Wang, J. Zhang, S.H. Song, and K. B. Letaief, “Mobility-aware caching in D2D networks,” IEEE Trans. Wireless Commun., vol. 16, no. 8, pp. 5001-5015, Aug. 2017. [Paper] [Codes]

  6. R. Wang, X. Peng, J. Zhang, and K. B. Letaief, “Mobility-aware caching for content-centric wireless networks: Modeling and methodology,” IEEE Commun. Mag., vol. 54, no. 8, pp. 77-83, Aug. 2016. [Paper]

  7. X. Peng, J.-C. Shen, J. Zhang, and K. B. Letaief, “Joint data assignment and beamforming for backhaul limited caching networks,” in Proc. IEEE Int. Symp. on Personal Indoor and Mobile Radio Comm. (PIMRC), Washington, DC, Sept. 2014. (Best Paper Award) [Paper])

Wireless Communications and Networking

Massive Random Access

  1. Y. Xue, Y. Shen, V. Lau, J. Zhang, and K. B. Letaief, “Blind data detection in massive MIMO via ell_3-norm maximization over the Stiefel manifold,” IEEE Trans. Wireless Commun., to appear. [Paper]

  2. J. Dong, J. Zhang, Y. Shi, and J. Wang, “Faster activity and data detection in massive random access: A multi-armed bandit approach,” submitted. [Paper]

  3. T. Jiang, Y. Shi, J. Zhang, and K. B. Letaief, “Joint activity detection and channel estimation for IoT networks: phase transition and computation-estimation tradeoff,” IEEE Internet of Things J., vol. 6, no. 4, pp. 6212–6225, Aug. 2019. [Paper]

Millimeter Wave (mm-wave) Communications for 5G

  1. X. Zhao, T. Lin, Y, Zhu, and J. Zhang, “Partially-connected hybrid beamforming for spectral efficiency maximization via a weighted MMSE equivalence,” submitted.

  2. J. Zhang, X. Yu, and K. B. Letaief, “Hybrid beamforming for 5G and beyond millimeter-wave systems: A holistic view,” IEEE Open J. Commun. Society, vol. 1, no. 1, pp. 77–91, Dec. 2019. [Paper]

  3. X. Yu, J. Zhang, and K. B. Letaief, “Doubling phase shifters for efficient hybrid precoder design in millimeter-wave communication systems,” Journal of Communications and Information Networks, vol. 4, no. 2, pp. 51–67, Jun. 2019. [Paper]

  4. T. Lin, J. Cong, Y. Zhu, J. Zhang, and K. B. Letaief, “Hybrid beamforming for millimeter wave systems using the MMSE criterion,” IEEE Trans. Commun., vol. 67, no. 5, pp. 3693-3708, May 2019. [Paper]

  5. X. Yu, J. Zhang, and K. B. Letaief, “A hardware-efficient analog network structure for hybrid precoding in millimeter wave systems,” IEEE J. Sel. Topics Signal Process., Special Issue on Hybrid Analog-Digital Signal Processing for Hardware-Efficient Large Scale Antenna Arrays, vol. 12, no. 2, pp. 282-297, May 2018. [Paper] [Codes]

    1. Part of this work was presented at IEEE GLOBECOM 2017, and received a Best Paper Award.

  6. X. Yu, J.-C. Shen, J. Zhang, and K. B. Letaief, “Alternating minimization algorithms for hybrid precoding in millimeter wave MIMO systems,” IEEE J. Sel. Topics Signal Process., Special Issue on Signal Process. for Millimeter Wave Wireless Communications, vol. 10, no. 3, pp. 485-500, Apr. 2016. [Paper] [Codes] (The 2018 IEEE Signal Processing Society Young Author Best Paper Award)

Sparse Optimization and Estimation for Wireless Networks

  1. Y. Shi, J. Zhang, W. Chen, and K. B. Letaief, “Generalized sparse and low-rank optimization for ultra-dense networks,” IEEE Commun. Mag., vol. 56, no. 6, pp. 42-48, Jun. 2018. [Paper]

  2. Y. Shi, J. Zhang, W. Chen, and K. B. Letaief, “Enhanced group sparse beamforming for dense green Cloud-RAN: A random matrix approach,” IEEE Trans. Wireless Commun., vol. 17, no. 4, pp. 2511-2524, Apr. 2018. [Paper] [Codes]

  3. X. Liu, Y. Shi, J. Zhang, and K. B. Letaief, “Massive CSI acquisition for dense Cloud-RANs with spatial-temporal dynamics,” IEEE Trans. Wireless Commun., vol. 17, no. 4, pp. 2557-2570, Apr. 2018.

  4. B. Hu, C. Hua, J. Zhang, C. Chen, and X. Guan, “Joint fronthaul multicast beamforming and user-centric clustering in downlink C-RANs,” IEEE Trans. Wireless Commun., vol. 16, no. 8, pp. 5395-5409, Aug. 2017.

  5. J.-C. Shen, J. Zhang, K.-C. Chen, and K. B. Letaief, “High-dimensional CSI acquisition in massive MIMO: Sparsity-inspired approaches,” IEEE Systems Journal, vol. 11, no. 1, pp. 32-40, Mar. 2017. [Paper]

  6. Y. Shi, J. Zhang, and K. B. Letaief, “Low-rank matrix completion for topological interference management by Riemannian pursuit,” IEEE Trans. Wireless Commun., vol. 15, no. 7, pp. 4703-4717, Jul. 2016. [Paper] [Codes]

  7. J.-C. Shen, J. Zhang, E. Alsusa, and K. B. Letaief, “Compressed CSI acquisition in FDD massive MIMO: How much training is needed?” IEEE Trans. Wireless Commun., vol. 15, no. 6, pp. 4145-4156, Jun. 2016. [Paper]

  8. Y. Shi, J. Cheng, J. Zhang, B. Bai, W. Chen and K. B. Letaief, “Smoothed Lp-minimization for green Cloud-RAN with user admission control,” IEEE J. Select. Areas Commun., vol. 34, no. 4, pp. 1022-1036, Apr. 2016. [Paper] [Codes]

  9. Y. Shi, J. Zhang, B. O’Donoghue, and K. B. Letaief, “Large-scale convex optimization for dense wireless cooperative networks,” IEEE Trans. Signal Process., vol. 63, no. 18, pp. 4729-4743, Sept. 2015. [Paper][Codes] (The 2016 IEEE Signal Processing Society Young Author Best Paper Award)

  10. Y. Shi, J. Zhang, and K. B. Letaief, “Robust group sparse beamforming for multicast green Cloud-RAN with imperfect CSI,” IEEE Trans. Signal Process., vol. 63, no. 17, pp. 4647-4659, Sept. 2015. [Paper] [Codes]

  11. Y. Shi, J. Zhang, K. B. Letaief, B. Bai, and W. Chen, “Large-scale convex optimization for ultra-dense Cloud-RAN,” IEEE Wireless Commun. Mag., vol. 22, no. 3, pp. 84-91, Jun. 2015. [Paper]

  12. Y. Shi, J. Zhang, and K. B. Letaief, “Optimal stochastic coordinated beamforming for wireless cooperative networks with CSI uncertainty,” IEEE Trans. Signal Process., vol. 63,, no. 4, pp. 960-973, Feb. 2015. [Paper] [Codes]

  13. Y. Shi, J. Zhang, and K. B. Letaief, “Group sparse beamforming for green Cloud-RAN,” IEEE Trans. Wireless Commun., vol. 13, no. 5, pp. 2809-2823, May 2014. [Paper] [Codes] (The 2016 Marconi Prize Paper Award)

Wireless Network Analysis via Stochastic Geometry

  1. X. Yu, C. Li, J. Zhang, M. Haenggi, and K. B. Letaief, “A unified framework for the tractable analysis of multi-antenna wireless networks,” IEEE Trans. Wireless Commun., vol. 17, no. 12, pp. 7965-7980, Dec. 2018. [Paper]

  2. X. Yu, J. Zhang, M. Haenggi, and K. B. Letaief, “Coverage analysis for millimeter wave networks: The impact of directional antenna arrays,” IEEE J. Select. Areas Commun, Special Issue on Millimeter Wave Communications for Future Mobile Networks, vol. 35, no. 7, pp. 1498-1512, Jul. 2017. [Paper]

  3. C. Li, J. Zhang, J. G. Andrews, and K. B. Letaief, “Success probability and area spectral efficiency in multiuser MIMO HetNets,” IEEE Trans. Commun., vol. 64, no. 4, pp. 1544-1556, Apr. 2016. [Paper]

  4. C. Li, J. Zhang, M. Haenggi, and K. B. Letaief, “User-centric intercell interference nulling for downlink small cell networks,” IEEE Trans. Commun., vol. 63, no. 4, pp. 1419-1431, Apr. 2015. [Paper]

  5. C. Li, J. Zhang, and K. B. Letaief, “Throughput and energy efficiency analysis of small cell networks with multi-antenna base stations,” IEEE Trans. Wireless Commun., vol. 13, no. 5, pp. 2502-2517, May 2014. [Paper]

Cellular-Connected UAVs

  1. X. Yu, J. Zhang, R. Schober, and K. B. Letaief, “A tractable framework for coverage analysis of cellular-connected UAV networks,” in Proc. IEEE Int. Conf. Commun. (ICC) Workshop On Integrating UAVs Into 5G and Beyond (IU5GB), Shanghai, China, May 2019. [Paper]

  2. H. Yang, J. Zhang, S.H. Song, and K. B. Letaief, “Connectivity-aware UAV path planning with aerial coverage maps,” in Proc. IEEE Wireless Commun. Networking Conf. (WCNC), Marrakech, Morocco, Apr. 2019. [Paper]

Green Communications, Energy Harvesting

  1. Y. Mao, J. Zhang, and K. B. Letaief, “Grid energy consumption and QoS tradeoff in hybrid energy supply wireless networks,” IEEE Trans. Wireless Commun., vol. 15, no. 5, pp. 3573-3586, May 2016. [Paper]

  2. Y. Luo, J. Zhang, and K. B. Letaief, “Transmit power minimization for wireless networks with energy harvesting relays,” IEEE Trans. Commun., vol. 64, no. 3, pp. 987-1000, Mar. 2016. [Paper]

  3. Y. Mao, J. Zhang, and K. B. Letaief, “A Lyapunov optimization approach for green cellular networks with hybrid energy supplies,” IEEE J. Select. Areas Commun. - Series on Green Commun. and Networking, vol. 33, no. 12, pp. 2463-2477, Dec. 2015. [Paper]

  4. Y. Mao, Y. Luo, J. Zhang, and K. B. Letaief, “Energy harvesting small cell networks: Feasibility, deployment and operation,” IEEE Commun. Mag., vol. 53, no. 6, pp. 94-101, Jun. 2015. [Paper] [This work was reported on The Register.]

  5. Y. Luo, J. Zhang, and K. B. Letaief, “Optimal scheduling and power allocation for two-hop energy harvesting communication systems,” IEEE Trans. Wireless Commun., vol. 11, no. 9, pp. 4729-4741, Sept. 2013.

  6. L. Deng, Y. Rui, P. Cheng, J. Zhang, Q. T. Zhang, and M. Li, “A unified energy efficiency and spectral efficiency tradeoff metric in wireless networks,” IEEE Commun. Lett., vol. 17, no. 1, pp. 55-58, Jan. 2013.

MIMO Communications

  1. J.-C. Shen, J. Zhang, and K. B. Letaief, “Downlink user capacity of massive MIMO under pilot contamination,” IEEE Trans. Wireless Commun., vol. 14, no. 6, pp. 3183-3193, Jun. 2015. [Paper]

  2. N. Seifi, J. Zhang, R. W. Heath Jr., T. Svensson, and M. Coldrey, “Coordinated 3D beamforming for interference management in cellular networks,” IEEE Trans. Wireless Commun., vol. 13, no. 10, pp. 5396-5410, Oct. 2014.

  3. J. Zhang, M. Kountouris, J. G. Andrews, and R. W. Heath Jr., “Multi-mode transmission for the MIMO broadcast channel with imperfect channel state information,” IEEE Trans. Commun., vol. 59, no. 3, pp. 803-814, Mar. 2011.

  4. N. Seifi, M. Viberg, R.W. Heath Jr., J. Zhang, and M. Coldrey, “Multi-mode Transmission in Network MIMO Downlink with Incomplete CSI,” EURASIP Journal on Advances in Signal Processing, special issue on Cooperative MIMO Multicell Networks, vol. 2011, Article ID 743916, 13 pages, doi:10.11552011743916, 2011.

  5. J. Zhang and J. G. Andrews, “Adaptive spatial intercell interference cancellation in multicell wireless networks,” IEEE J. Select. Areas Commun. special issue on Cooperative Communications in MIMO Cellular Networks, vol. 28, no. 9, pp. 1455-1468, Dec. 2010.

  6. J. Zhang, R. W. Heath Jr., M. Kountouris, and J. G. Andrews, “Mode switching for the multi-antenna broadcast channel based on delay and channel quantization,” EURASIP Journal on Advances in Signal Processing, special issue on Multiuser Limited Feedback, vol. 2009, Article ID 802548, 15 pages, doi:10.11552009802548, 2009. (The 2014 EURASIP Best Paper Award)

  7. J. Zhang, R. Chen, J. G. Andrews, A. Ghosh, and R. W. Heath Jr., “Networked MIMO with clustered linear precoding,” IEEE Trans. Wireless Commun., vol. 8, no. 4, pp. 1910-1921, Apr. 2009.

  8. J. Zhang and J. G. Andrews, “Distributed antenna systems with randomness,” IEEE Trans. Wireless Commun., vol. 7, no. 9, pp. 3636-3646, Sept. 2008.

Others

  1. G. Bartoli, R. Fantacci, K. B. Letaief, D. Marabissi, N. Privitera, M. Pucci, and J. Zhang, “Beamforming for small cells deployment in LTE-Advanced and beyond,” IEEE Wireless Commun. Mag., vol. 21, no. 2, pp. 50-56, Apr. 2014.

  2. R. Wang, J. Zhang, S.H. Song, and K. B. Letaief, “Optimal QoS-aware channel assignment in D2D communications with partial CSI,” IEEE Trans. Wireless Commun., vol. 15, no. 11, pp. 7594-7609, Nov. 2016. [Paper]

  3. J. Zhang and K. B. Letaief, “Interference management with relay cooperation in two-hop interference channels,” IEEE Wireless Commun. Lett., vol. 1, no. 3, pp. 165-168, Jun. 2012.

  4. J. Xu, J. Zhang, and J. G. Andrews, “On the accuracy of the Wyner model in cellular networks,” IEEE Trans. Wireless Commun., vol. 10, no. 9, pp. 3098-3109, Sept. 2011.

  5. J. Zhang and T. M. Lok, “Cooperative protocols for multiple-source multiple-relay wireless networks,” International Journal of Sensor Networks, vol. 4, no. 4, pp. 209-219, Jan. 2008.